[INFO] fetching crate tracing_storage_logger 0.1.16...
[INFO] testing tracing_storage_logger-0.1.16 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate tracing_storage_logger 0.1.16 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate tracing_storage_logger 0.1.16
[INFO] finished tweaking crates.io crate tracing_storage_logger 0.1.16
[INFO] tweaked toml for crates.io crate tracing_storage_logger 0.1.16 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracing_storage_logger 0.1.16 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tracing_storage_logger 0.1.16 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-ident v1.0.3
[INFO] [stderr]   Downloaded readme v0.1.0
[INFO] [stderr]   Downloaded serde v1.0.142
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.82
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.82
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.82
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.82
[INFO] [stderr]   Downloaded tracing-attributes v0.1.22
[INFO] [stderr]   Downloaded miniz_oxide v0.5.3
[INFO] [stderr]   Downloaded ucd-util v0.1.9
[INFO] [stderr]   Downloaded parse-zoneinfo v0.1.1
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.82
[INFO] [stderr]   Downloaded bumpalo v3.10.0
[INFO] [stderr]   Downloaded serde_json v1.0.83
[INFO] [stderr]   Downloaded smallvec v1.9.0
[INFO] [stderr]   Downloaded chrono v0.4.20
[INFO] [stderr]   Downloaded chrono-tz v0.4.1
[INFO] [stderr]   Downloaded syn v1.0.99
[INFO] [stderr]   Downloaded libc v0.2.127
[INFO] [stderr]   Downloaded js-sys v0.3.59
[INFO] [stderr]   Downloaded file-rotate v0.7.0
[INFO] [stderr]   Downloaded string-builder v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d9a4ea0be27e26a4020cc3c2ecad55d1cf83aca2d72f68f2780fa6de7d0d2fb
[INFO] running `Command { std: "docker" "start" "-a" "4d9a4ea0be27e26a4020cc3c2ecad55d1cf83aca2d72f68f2780fa6de7d0d2fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d9a4ea0be27e26a4020cc3c2ecad55d1cf83aca2d72f68f2780fa6de7d0d2fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d9a4ea0be27e26a4020cc3c2ecad55d1cf83aca2d72f68f2780fa6de7d0d2fb", kill_on_drop: false }`
[INFO] [stdout] 4d9a4ea0be27e26a4020cc3c2ecad55d1cf83aca2d72f68f2780fa6de7d0d2fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d06d25a24c55a93cf2c04adee4ca6d9343b353b31f62fc7ebdccab9f9538f50d
[INFO] running `Command { std: "docker" "start" "-a" "d06d25a24c55a93cf2c04adee4ca6d9343b353b31f62fc7ebdccab9f9538f50d", kill_on_drop: false }`
[INFO] [stderr] warning: tracing_storage_logger v0.1.16 (/opt/rustwide/workdir) ignoring invalid dependency `readme` which is missing a lib target
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling ucd-util v0.1.9
[INFO] [stderr]    Compiling libc v0.2.127
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling once_cell v1.13.0
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling serde v1.0.142
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling miniz_oxide v0.5.3
[INFO] [stderr]    Compiling serde_json v1.0.83
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling tracing-core v0.1.29
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling itoa v1.0.3
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling string-builder v0.2.0
[INFO] [stderr]    Compiling flate2 v1.0.24
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling tracing-log v0.1.3
[INFO] [stderr]    Compiling tracing-subscriber v0.3.15
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling chrono v0.4.20
[INFO] [stderr]    Compiling file-rotate v0.7.0
[INFO] [stderr]    Compiling parse-zoneinfo v0.1.1
[INFO] [stderr]    Compiling chrono-tz v0.4.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.22
[INFO] [stderr]    Compiling tracing v0.1.36
[INFO] [stderr]    Compiling tracing_storage_logger v0.1.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `fmt::Layer`
[INFO] [stdout]  --> src/logger.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tracing_subscriber::{fmt::Layer, prelude::*};
[INFO] [stdout]   |                          ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chrono_tz::US::Eastern`
[INFO] [stdout]  --> src/custom_layer/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use chrono_tz::US::Eastern;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `suffix::AppendCount`
[INFO] [stdout]  --> src/custom_layer/mod.rs:6:45
[INFO] [stdout]   |
[INFO] [stdout] 6 | use file_rotate::{compression::Compression, suffix::AppendCount, ContentLimit, FileRotate};
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::Cell`
[INFO] [stdout]  --> src/custom_layer/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::cell::Cell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Scope`
[INFO] [stdout]   --> src/custom_layer/mod.rs:14:36
[INFO] [stdout]    |
[INFO] [stdout] 14 | use tracing_subscriber::registry::{Scope, SpanRef};
[INFO] [stdout]    |                                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `registry::Extensions`
[INFO] [stdout]   --> src/custom_layer/mod.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 15 | use tracing_subscriber::{registry::Extensions, Layer};
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/custom_layer/mod.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let mut visitor = JsonVisitor(&mut fields);
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]   --> src/custom_layer/mod.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         attrs: &tracing::span::Attributes<'_>,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]   --> src/custom_layer/mod.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let mut visitor = JsonVisitor(&mut fields);
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/custom_layer/mod.rs:185:17
[INFO] [stdout]     |
[INFO] [stdout] 185 |             let mut parse_me = value.to_string();
[INFO] [stdout]     |                 ----^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]    --> src/custom_layer/mod.rs:208:13
[INFO] [stdout]     |
[INFO] [stdout] 208 |         let output = serde_json::json!({
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |             write!( w, "{b}"); 
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 12 |             let _ = write!( w, "{b}"); 
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |             writeln!(w, "");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 13 |             let _ = writeln!(w, "");
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |             write!( w, "{n}");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 16 |             let _ = write!( w, "{n}");
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |             writeln!( w, "");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 17 |             let _ = writeln!( w, "");
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |             write!( w, "{s}");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 20 |             let _ = write!( w, "{s}");
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |             writeln!( w, "");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 21 |             let _ = writeln!( w, "");
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:34:25
[INFO] [stdout]    |
[INFO] [stdout] 34 |                         write!( w, "{start_indent}{indent_str}{key}:\n");
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 34 |                         let _ = write!( w, "{start_indent}{indent_str}{key}:\n");
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:38:25
[INFO] [stdout]    |
[INFO] [stdout] 38 |                         write!( w, "{start_indent}{indent_str}{key}:\n");
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |                         let _ = write!( w, "{start_indent}{indent_str}{key}:\n");
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:41:25
[INFO] [stdout]    |
[INFO] [stdout] 41 |                         write!( w, "{start_indent}{indent_str}{key}: ");
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 41 |                         let _ = write!( w, "{start_indent}{indent_str}{key}: ");
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/custom_layer/mod.rs:183:13
[INFO] [stdout]     |
[INFO] [stdout] 183 |             writeln!(log, "{indent}[{name}]");
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 183 |             let _ = writeln!(log, "{indent}[{name}]");
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/custom_layer/mod.rs:202:21
[INFO] [stdout]     |
[INFO] [stdout] 202 |                     writeln!(&mut log, "{}{}", indent, value.to_string());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 202 |                     let _ = writeln!(&mut log, "{}{}", indent, value.to_string());
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Subscriber`, `debug_span`, `error`, `info_span`, `info`, `instrument`, and `warn`
[INFO] [stdout]  --> src/logger.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use tracing::{debug_span, error, info, info_span, instrument, warn, Subscriber};
[INFO] [stdout]   |                   ^^^^^^^^^^  ^^^^^  ^^^^  ^^^^^^^^^  ^^^^^^^^^^  ^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt::Layer`
[INFO] [stdout]  --> src/logger.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tracing_subscriber::{fmt::Layer, prelude::*};
[INFO] [stdout]   |                          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chrono_tz::US::Eastern`
[INFO] [stdout]  --> src/custom_layer/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use chrono_tz::US::Eastern;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `suffix::AppendCount`
[INFO] [stdout]  --> src/custom_layer/mod.rs:6:45
[INFO] [stdout]   |
[INFO] [stdout] 6 | use file_rotate::{compression::Compression, suffix::AppendCount, ContentLimit, FileRotate};
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::Cell`
[INFO] [stdout]  --> src/custom_layer/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::cell::Cell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Scope`
[INFO] [stdout]   --> src/custom_layer/mod.rs:14:36
[INFO] [stdout]    |
[INFO] [stdout] 14 | use tracing_subscriber::registry::{Scope, SpanRef};
[INFO] [stdout]    |                                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `registry::Extensions`
[INFO] [stdout]   --> src/custom_layer/mod.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 15 | use tracing_subscriber::{registry::Extensions, Layer};
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/custom_layer/mod.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let mut visitor = JsonVisitor(&mut fields);
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]   --> src/custom_layer/mod.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         attrs: &tracing::span::Attributes<'_>,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]   --> src/custom_layer/mod.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let mut visitor = JsonVisitor(&mut fields);
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/custom_layer/mod.rs:185:17
[INFO] [stdout]     |
[INFO] [stdout] 185 |             let mut parse_me = value.to_string();
[INFO] [stdout]     |                 ----^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]    --> src/custom_layer/mod.rs:208:13
[INFO] [stdout]     |
[INFO] [stdout] 208 |         let output = serde_json::json!({
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `logger`
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let logger = Logger::new(
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to pattern match on the similarly named struct `Logger`
[INFO] [stdout]    |
[INFO] [stdout] 10 -     let logger = Logger::new(
[INFO] [stdout] 10 +     let tracing_storage_logger::logger::Logger = Logger::new(
[INFO] [stdout]    |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let _logger = Logger::new(
[INFO] [stdout]    |         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Logger` is never constructed
[INFO] [stdout]  --> src/logger.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Logger;
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/logger.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Logger {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 17 |     pub fn new(path: PathBuf, limit: ContentLimit, max_files: usize, time_zone: Tz) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CustomLayer` is never constructed
[INFO] [stdout]   --> src/custom_layer/mod.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct CustomLayer {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get_span_path` is never used
[INFO] [stdout]    --> src/custom_layer/mod.rs:222:12
[INFO] [stdout]     |
[INFO] [stdout] 221 | impl CustomLayer {
[INFO] [stdout]     | ---------------- associated function in this implementation
[INFO] [stdout] 222 |     pub fn get_span_path() {}
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `JsonVisitor` is never constructed
[INFO] [stdout]  --> src/custom_layer/visitor.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct JsonVisitor<'a>(pub &'a mut BTreeMap<String, serde_json::Value>);
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CustomFieldStorage` is never constructed
[INFO] [stdout]   --> src/custom_layer/visitor.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct CustomFieldStorage(pub BTreeMap<String, serde_json::Value>);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_json` is never used
[INFO] [stdout]   --> src/write_json.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn write_json(w: &mut impl Write, value: Value, start_indent: &str){
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/custom_layer/mod.rs:183:13
[INFO] [stdout]     |
[INFO] [stdout] 183 |             writeln!(log, "{indent}[{name}]");
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 183 |             let _ = writeln!(log, "{indent}[{name}]");
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/custom_layer/mod.rs:202:21
[INFO] [stdout]     |
[INFO] [stdout] 202 |                     writeln!(&mut log, "{}{}", indent, value.to_string());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 202 |                     let _ = writeln!(&mut log, "{}{}", indent, value.to_string());
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |             write!( w, "{b}"); 
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 12 |             let _ = write!( w, "{b}"); 
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |             writeln!(w, "");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 13 |             let _ = writeln!(w, "");
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |             write!( w, "{n}");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 16 |             let _ = write!( w, "{n}");
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |             writeln!( w, "");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 17 |             let _ = writeln!( w, "");
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |             write!( w, "{s}");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 20 |             let _ = write!( w, "{s}");
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |             writeln!( w, "");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 21 |             let _ = writeln!( w, "");
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:34:25
[INFO] [stdout]    |
[INFO] [stdout] 34 |                         write!( w, "{start_indent}{indent_str}{key}:\n");
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 34 |                         let _ = write!( w, "{start_indent}{indent_str}{key}:\n");
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:38:25
[INFO] [stdout]    |
[INFO] [stdout] 38 |                         write!( w, "{start_indent}{indent_str}{key}:\n");
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |                         let _ = write!( w, "{start_indent}{indent_str}{key}:\n");
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:41:25
[INFO] [stdout]    |
[INFO] [stdout] 41 |                         write!( w, "{start_indent}{indent_str}{key}: ");
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 41 |                         let _ = write!( w, "{start_indent}{indent_str}{key}: ");
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.59s
[INFO] running `Command { std: "docker" "inspect" "d06d25a24c55a93cf2c04adee4ca6d9343b353b31f62fc7ebdccab9f9538f50d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d06d25a24c55a93cf2c04adee4ca6d9343b353b31f62fc7ebdccab9f9538f50d", kill_on_drop: false }`
[INFO] [stdout] d06d25a24c55a93cf2c04adee4ca6d9343b353b31f62fc7ebdccab9f9538f50d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56cef8c66d0313277fe8522e133910fd912666b9b810d3294e7eb135278118b0
[INFO] running `Command { std: "docker" "start" "-a" "56cef8c66d0313277fe8522e133910fd912666b9b810d3294e7eb135278118b0", kill_on_drop: false }`
[INFO] [stderr] warning: tracing_storage_logger v0.1.16 (/opt/rustwide/workdir) ignoring invalid dependency `readme` which is missing a lib target
[INFO] [stdout] warning: unused import: `fmt::Layer`
[INFO] [stdout]  --> src/logger.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tracing_subscriber::{fmt::Layer, prelude::*};
[INFO] [stdout]   |                          ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chrono_tz::US::Eastern`
[INFO] [stdout]  --> src/custom_layer/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use chrono_tz::US::Eastern;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `suffix::AppendCount`
[INFO] [stdout]  --> src/custom_layer/mod.rs:6:45
[INFO] [stdout]   |
[INFO] [stdout] 6 | use file_rotate::{compression::Compression, suffix::AppendCount, ContentLimit, FileRotate};
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::Cell`
[INFO] [stdout]  --> src/custom_layer/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::cell::Cell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Scope`
[INFO] [stdout]   --> src/custom_layer/mod.rs:14:36
[INFO] [stdout]    |
[INFO] [stdout] 14 | use tracing_subscriber::registry::{Scope, SpanRef};
[INFO] [stdout]    |                                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `registry::Extensions`
[INFO] [stdout]   --> src/custom_layer/mod.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 15 | use tracing_subscriber::{registry::Extensions, Layer};
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/custom_layer/mod.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let mut visitor = JsonVisitor(&mut fields);
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]   --> src/custom_layer/mod.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         attrs: &tracing::span::Attributes<'_>,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]   --> src/custom_layer/mod.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let mut visitor = JsonVisitor(&mut fields);
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/custom_layer/mod.rs:185:17
[INFO] [stdout]     |
[INFO] [stdout] 185 |             let mut parse_me = value.to_string();
[INFO] [stdout]     |                 ----^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]    --> src/custom_layer/mod.rs:208:13
[INFO] [stdout]     |
[INFO] [stdout] 208 |         let output = serde_json::json!({
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |             write!( w, "{b}"); 
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 12 |             let _ = write!( w, "{b}"); 
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |             writeln!(w, "");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 13 |             let _ = writeln!(w, "");
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |             write!( w, "{n}");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 16 |             let _ = write!( w, "{n}");
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |             writeln!( w, "");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 17 |             let _ = writeln!( w, "");
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tracing_storage_logger v0.1.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |             write!( w, "{s}");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 20 |             let _ = write!( w, "{s}");
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |             writeln!( w, "");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 21 |             let _ = writeln!( w, "");
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:34:25
[INFO] [stdout]    |
[INFO] [stdout] 34 |                         write!( w, "{start_indent}{indent_str}{key}:\n");
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 34 |                         let _ = write!( w, "{start_indent}{indent_str}{key}:\n");
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:38:25
[INFO] [stdout]    |
[INFO] [stdout] 38 |                         write!( w, "{start_indent}{indent_str}{key}:\n");
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |                         let _ = write!( w, "{start_indent}{indent_str}{key}:\n");
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:41:25
[INFO] [stdout]    |
[INFO] [stdout] 41 |                         write!( w, "{start_indent}{indent_str}{key}: ");
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 41 |                         let _ = write!( w, "{start_indent}{indent_str}{key}: ");
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/custom_layer/mod.rs:183:13
[INFO] [stdout]     |
[INFO] [stdout] 183 |             writeln!(log, "{indent}[{name}]");
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 183 |             let _ = writeln!(log, "{indent}[{name}]");
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/custom_layer/mod.rs:202:21
[INFO] [stdout]     |
[INFO] [stdout] 202 |                     writeln!(&mut log, "{}{}", indent, value.to_string());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 202 |                     let _ = writeln!(&mut log, "{}{}", indent, value.to_string());
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Subscriber`, `debug_span`, `error`, `info_span`, `info`, `instrument`, and `warn`
[INFO] [stdout]  --> src/logger.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use tracing::{debug_span, error, info, info_span, instrument, warn, Subscriber};
[INFO] [stdout]   |                   ^^^^^^^^^^  ^^^^^  ^^^^  ^^^^^^^^^  ^^^^^^^^^^  ^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt::Layer`
[INFO] [stdout]  --> src/logger.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tracing_subscriber::{fmt::Layer, prelude::*};
[INFO] [stdout]   |                          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chrono_tz::US::Eastern`
[INFO] [stdout]  --> src/custom_layer/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use chrono_tz::US::Eastern;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `suffix::AppendCount`
[INFO] [stdout]  --> src/custom_layer/mod.rs:6:45
[INFO] [stdout]   |
[INFO] [stdout] 6 | use file_rotate::{compression::Compression, suffix::AppendCount, ContentLimit, FileRotate};
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::Cell`
[INFO] [stdout]  --> src/custom_layer/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::cell::Cell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Scope`
[INFO] [stdout]   --> src/custom_layer/mod.rs:14:36
[INFO] [stdout]    |
[INFO] [stdout] 14 | use tracing_subscriber::registry::{Scope, SpanRef};
[INFO] [stdout]    |                                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `registry::Extensions`
[INFO] [stdout]   --> src/custom_layer/mod.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 15 | use tracing_subscriber::{registry::Extensions, Layer};
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt::Layer`
[INFO] [stdout]  --> src/logger.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tracing_subscriber::{fmt::Layer, prelude::*};
[INFO] [stdout]   |                          ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chrono_tz::US::Eastern`
[INFO] [stdout]  --> src/custom_layer/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use chrono_tz::US::Eastern;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `suffix::AppendCount`
[INFO] [stdout]  --> src/custom_layer/mod.rs:6:45
[INFO] [stdout]   |
[INFO] [stdout] 6 | use file_rotate::{compression::Compression, suffix::AppendCount, ContentLimit, FileRotate};
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::Cell`
[INFO] [stdout]  --> src/custom_layer/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::cell::Cell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Scope`
[INFO] [stdout]   --> src/custom_layer/mod.rs:14:36
[INFO] [stdout]    |
[INFO] [stdout] 14 | use tracing_subscriber::registry::{Scope, SpanRef};
[INFO] [stdout]    |                                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `registry::Extensions`
[INFO] [stdout]   --> src/custom_layer/mod.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 15 | use tracing_subscriber::{registry::Extensions, Layer};
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/custom_layer/mod.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let mut visitor = JsonVisitor(&mut fields);
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]   --> src/custom_layer/mod.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         attrs: &tracing::span::Attributes<'_>,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]   --> src/custom_layer/mod.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let mut visitor = JsonVisitor(&mut fields);
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/custom_layer/mod.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let mut visitor = JsonVisitor(&mut fields);
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]   --> src/custom_layer/mod.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         attrs: &tracing::span::Attributes<'_>,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visitor`
[INFO] [stdout]   --> src/custom_layer/mod.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let mut visitor = JsonVisitor(&mut fields);
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/custom_layer/mod.rs:185:17
[INFO] [stdout]     |
[INFO] [stdout] 185 |             let mut parse_me = value.to_string();
[INFO] [stdout]     |                 ----^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]    --> src/custom_layer/mod.rs:208:13
[INFO] [stdout]     |
[INFO] [stdout] 208 |         let output = serde_json::json!({
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/custom_layer/mod.rs:185:17
[INFO] [stdout]     |
[INFO] [stdout] 185 |             let mut parse_me = value.to_string();
[INFO] [stdout]     |                 ----^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]    --> src/custom_layer/mod.rs:208:13
[INFO] [stdout]     |
[INFO] [stdout] 208 |         let output = serde_json::json!({
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |             write!( w, "{b}"); 
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 12 |             let _ = write!( w, "{b}"); 
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |             writeln!(w, "");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 13 |             let _ = writeln!(w, "");
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |             write!( w, "{n}");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 16 |             let _ = write!( w, "{n}");
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |             writeln!( w, "");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 17 |             let _ = writeln!( w, "");
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |             write!( w, "{s}");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 20 |             let _ = write!( w, "{s}");
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |             writeln!( w, "");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 21 |             let _ = writeln!( w, "");
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:34:25
[INFO] [stdout]    |
[INFO] [stdout] 34 |                         write!( w, "{start_indent}{indent_str}{key}:\n");
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 34 |                         let _ = write!( w, "{start_indent}{indent_str}{key}:\n");
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:38:25
[INFO] [stdout]    |
[INFO] [stdout] 38 |                         write!( w, "{start_indent}{indent_str}{key}:\n");
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |                         let _ = write!( w, "{start_indent}{indent_str}{key}:\n");
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:41:25
[INFO] [stdout]    |
[INFO] [stdout] 41 |                         write!( w, "{start_indent}{indent_str}{key}: ");
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 41 |                         let _ = write!( w, "{start_indent}{indent_str}{key}: ");
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/custom_layer/mod.rs:183:13
[INFO] [stdout]     |
[INFO] [stdout] 183 |             writeln!(log, "{indent}[{name}]");
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 183 |             let _ = writeln!(log, "{indent}[{name}]");
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/custom_layer/mod.rs:202:21
[INFO] [stdout]     |
[INFO] [stdout] 202 |                     writeln!(&mut log, "{}{}", indent, value.to_string());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 202 |                     let _ = writeln!(&mut log, "{}{}", indent, value.to_string());
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `logger`
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let logger = Logger::new(
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to pattern match on the similarly named struct `Logger`
[INFO] [stdout]    |
[INFO] [stdout] 10 -     let logger = Logger::new(
[INFO] [stdout] 10 +     let tracing_storage_logger::logger::Logger = Logger::new(
[INFO] [stdout]    |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let _logger = Logger::new(
[INFO] [stdout]    |         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Logger` is never constructed
[INFO] [stdout]  --> src/logger.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Logger;
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/logger.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Logger {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 17 |     pub fn new(path: PathBuf, limit: ContentLimit, max_files: usize, time_zone: Tz) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CustomLayer` is never constructed
[INFO] [stdout]   --> src/custom_layer/mod.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct CustomLayer {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get_span_path` is never used
[INFO] [stdout]    --> src/custom_layer/mod.rs:222:12
[INFO] [stdout]     |
[INFO] [stdout] 221 | impl CustomLayer {
[INFO] [stdout]     | ---------------- associated function in this implementation
[INFO] [stdout] 222 |     pub fn get_span_path() {}
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `JsonVisitor` is never constructed
[INFO] [stdout]  --> src/custom_layer/visitor.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct JsonVisitor<'a>(pub &'a mut BTreeMap<String, serde_json::Value>);
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CustomFieldStorage` is never constructed
[INFO] [stdout]   --> src/custom_layer/visitor.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct CustomFieldStorage(pub BTreeMap<String, serde_json::Value>);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_json` is never used
[INFO] [stdout]   --> src/write_json.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn write_json(w: &mut impl Write, value: Value, start_indent: &str){
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/custom_layer/mod.rs:183:13
[INFO] [stdout]     |
[INFO] [stdout] 183 |             writeln!(log, "{indent}[{name}]");
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 183 |             let _ = writeln!(log, "{indent}[{name}]");
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/custom_layer/mod.rs:202:21
[INFO] [stdout]     |
[INFO] [stdout] 202 |                     writeln!(&mut log, "{}{}", indent, value.to_string());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 202 |                     let _ = writeln!(&mut log, "{}{}", indent, value.to_string());
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |             write!( w, "{b}"); 
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 12 |             let _ = write!( w, "{b}"); 
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |             writeln!(w, "");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 13 |             let _ = writeln!(w, "");
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |             write!( w, "{n}");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 16 |             let _ = write!( w, "{n}");
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |             writeln!( w, "");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 17 |             let _ = writeln!( w, "");
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |             write!( w, "{s}");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 20 |             let _ = write!( w, "{s}");
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |             writeln!( w, "");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 21 |             let _ = writeln!( w, "");
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:34:25
[INFO] [stdout]    |
[INFO] [stdout] 34 |                         write!( w, "{start_indent}{indent_str}{key}:\n");
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 34 |                         let _ = write!( w, "{start_indent}{indent_str}{key}:\n");
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:38:25
[INFO] [stdout]    |
[INFO] [stdout] 38 |                         write!( w, "{start_indent}{indent_str}{key}:\n");
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |                         let _ = write!( w, "{start_indent}{indent_str}{key}:\n");
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/write_json.rs:41:25
[INFO] [stdout]    |
[INFO] [stdout] 41 |                         write!( w, "{start_indent}{indent_str}{key}: ");
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 41 |                         let _ = write!( w, "{start_indent}{indent_str}{key}: ");
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "56cef8c66d0313277fe8522e133910fd912666b9b810d3294e7eb135278118b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56cef8c66d0313277fe8522e133910fd912666b9b810d3294e7eb135278118b0", kill_on_drop: false }`
[INFO] [stdout] 56cef8c66d0313277fe8522e133910fd912666b9b810d3294e7eb135278118b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aabc4323050706852d3cd1e098c37b27f2c8377109f24f2c4d366c75615dd9a8
[INFO] running `Command { std: "docker" "start" "-a" "aabc4323050706852d3cd1e098c37b27f2c8377109f24f2c4d366c75615dd9a8", kill_on_drop: false }`
[INFO] [stderr] warning: tracing_storage_logger v0.1.16 (/opt/rustwide/workdir) ignoring invalid dependency `readme` which is missing a lib target
[INFO] [stderr] warning: unused import: `fmt::Layer`
[INFO] [stderr]  --> src/logger.rs:6:26
[INFO] [stderr]   |
[INFO] [stderr] 6 | use tracing_subscriber::{fmt::Layer, prelude::*};
[INFO] [stderr]   |                          ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono_tz::US::Eastern`
[INFO] [stderr]  --> src/custom_layer/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use chrono_tz::US::Eastern;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `suffix::AppendCount`
[INFO] [stderr]  --> src/custom_layer/mod.rs:6:45
[INFO] [stderr]   |
[INFO] [stderr] 6 | use file_rotate::{compression::Compression, suffix::AppendCount, ContentLimit, FileRotate};
[INFO] [stderr]   |                                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::Cell`
[INFO] [stderr]  --> src/custom_layer/mod.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::cell::Cell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Scope`
[INFO] [stderr]   --> src/custom_layer/mod.rs:14:36
[INFO] [stderr]    |
[INFO] [stderr] 14 | use tracing_subscriber::registry::{Scope, SpanRef};
[INFO] [stderr]    |                                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `registry::Extensions`
[INFO] [stdout] 
[INFO] [stderr]   --> src/custom_layer/mod.rs:15:26
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 15 | use tracing_subscriber::{registry::Extensions, Layer};
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/custom_layer/mod.rs:74:13
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 74 |         let mut visitor = JsonVisitor(&mut fields);
[INFO] [stdout] 
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attrs`
[INFO] [stderr]   --> src/custom_layer/mod.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |         attrs: &tracing::span::Attributes<'_>,
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `visitor`
[INFO] [stderr]   --> src/custom_layer/mod.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let mut visitor = JsonVisitor(&mut fields);
[INFO] [stderr]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/custom_layer/mod.rs:185:17
[INFO] [stderr]     |
[INFO] [stderr] 185 |             let mut parse_me = value.to_string();
[INFO] [stderr]     |                 ----^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]    --> src/custom_layer/mod.rs:208:13
[INFO] [stderr]     |
[INFO] [stderr] 208 |         let output = serde_json::json!({
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/write_json.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |             write!( w, "{b}"); 
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 12 |             let _ = write!( w, "{b}"); 
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/write_json.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |             writeln!(w, "");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 13 |             let _ = writeln!(w, "");
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/write_json.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |             write!( w, "{n}");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 16 |             let _ = write!( w, "{n}");
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/write_json.rs:17:13
[INFO] [stderr]    |
[INFO] [stderr] 17 |             writeln!( w, "");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 17 |             let _ = writeln!( w, "");
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/write_json.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |             write!( w, "{s}");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 20 |             let _ = write!( w, "{s}");
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/write_json.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |             writeln!( w, "");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 21 |             let _ = writeln!( w, "");
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/write_json.rs:34:25
[INFO] [stderr]    |
[INFO] [stderr] 34 |                         write!( w, "{start_indent}{indent_str}{key}:\n");
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 34 |                         let _ = write!( w, "{start_indent}{indent_str}{key}:\n");
[INFO] [stderr]    |                         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/write_json.rs:38:25
[INFO] [stderr]    |
[INFO] [stderr] 38 |                         write!( w, "{start_indent}{indent_str}{key}:\n");
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 38 |                         let _ = write!( w, "{start_indent}{indent_str}{key}:\n");
[INFO] [stderr]    |                         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/write_json.rs:41:25
[INFO] [stderr]    |
[INFO] [stderr] 41 |                         write!( w, "{start_indent}{indent_str}{key}: ");
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 41 |                         let _ = write!( w, "{start_indent}{indent_str}{key}: ");
[INFO] [stderr]    |                         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/custom_layer/mod.rs:183:13
[INFO] [stderr]     |
[INFO] [stderr] 183 |             writeln!(log, "{indent}[{name}]");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 183 |             let _ = writeln!(log, "{indent}[{name}]");
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/custom_layer/mod.rs:202:21
[INFO] [stderr]     |
[INFO] [stderr] 202 |                     writeln!(&mut log, "{}{}", indent, value.to_string());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 202 |                     let _ = writeln!(&mut log, "{}{}", indent, value.to_string());
[INFO] [stderr]     |                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `tracing_storage_logger` (lib) generated 22 warnings (run `cargo fix --lib -p tracing_storage_logger` to apply 11 suggestions)
[INFO] [stderr] warning: `tracing_storage_logger` (lib test) generated 22 warnings (22 duplicates)
[INFO] [stderr] warning: unused imports: `Subscriber`, `debug_span`, `error`, `info_span`, `info`, `instrument`, and `warn`
[INFO] [stderr]  --> src/logger.rs:5:19
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub use tracing::{debug_span, error, info, info_span, instrument, warn, Subscriber};
[INFO] [stderr]   |                   ^^^^^^^^^^  ^^^^^  ^^^^  ^^^^^^^^^  ^^^^^^^^^^  ^^^^  ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fmt::Layer`
[INFO] [stderr]  --> src/logger.rs:6:26
[INFO] [stderr]   |
[INFO] [stderr] 6 | use tracing_subscriber::{fmt::Layer, prelude::*};
[INFO] [stderr]   |                          ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `logger`
[INFO] [stderr]   --> src/main.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let logger = Logger::new(
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: you might have meant to pattern match on the similarly named struct `Logger`
[INFO] [stderr]    |
[INFO] [stderr] 10 -     let logger = Logger::new(
[INFO] [stderr] 10 +     let tracing_storage_logger::logger::Logger = Logger::new(
[INFO] [stderr]    |
[INFO] [stderr] help: if this is intentional, prefix it with an underscore
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let _logger = Logger::new(
[INFO] [stderr]    |         +
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Logger` is never constructed
[INFO] [stderr]  --> src/logger.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct Logger;
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/logger.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | impl Logger {
[INFO] [stderr]    | ----------- associated function in this implementation
[INFO] [stderr] 17 |     pub fn new(path: PathBuf, limit: ContentLimit, max_files: usize, time_zone: Tz) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `CustomLayer` is never constructed
[INFO] [stderr]   --> src/custom_layer/mod.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub struct CustomLayer {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `get_span_path` is never used
[INFO] [stderr]    --> src/custom_layer/mod.rs:222:12
[INFO] [stderr]     |
[INFO] [stderr] 221 | impl CustomLayer {
[INFO] [stderr]     | ---------------- associated function in this implementation
[INFO] [stderr] 222 |     pub fn get_span_path() {}
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `JsonVisitor` is never constructed
[INFO] [stderr]  --> src/custom_layer/visitor.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub struct JsonVisitor<'a>(pub &'a mut BTreeMap<String, serde_json::Value>);
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `CustomFieldStorage` is never constructed
[INFO] [stderr]   --> src/custom_layer/visitor.rs:50:12
[INFO] [stderr]    |
[INFO] [stderr] 50 | pub struct CustomFieldStorage(pub BTreeMap<String, serde_json::Value>);
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `write_json` is never used
[INFO] [stderr]   --> src/write_json.rs:50:8
[INFO] [stderr]    |
[INFO] [stderr] 50 | pub fn write_json(w: &mut impl Write, value: Value, start_indent: &str){
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/custom_layer/mod.rs:183:13
[INFO] [stderr]     |
[INFO] [stderr] 183 |             writeln!(log, "{indent}[{name}]");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 183 |             let _ = writeln!(log, "{indent}[{name}]");
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/write_json.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |             write!( w, "{b}"); 
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 12 |             let _ = write!( w, "{b}"); 
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `tracing_storage_logger` (bin "main" test) generated 31 warnings (19 duplicates) (run `cargo fix --bin "main" -p tracing_storage_logger --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tracing_storage_logger-02cf3fcde65991d9)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/main-efb09129b7ddf6b5)
[INFO] [stderr]    Doc-tests tracing_storage_logger
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 6) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 6) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (56) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/file-rotate-0.7.0/src/lib.rs:432:56:
[INFO] [stdout] create dir: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6531daac0422 - std::backtrace_rs::backtrace::libunwind::trace::ha50a1f28c7a10cf8
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6531daac0422 - std::backtrace_rs::backtrace::trace_unsynchronized::h34f8c4ec82a320bc
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6531daac0422 - std::sys::backtrace::_print_fmt::h2d23e84e13d343bc
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x6531daac0422 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hde21067283f7e82e
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x6531daad129f - core::fmt::rt::Argument::fmt::he65307037dca33c6
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x6531daad129f - core::fmt::write::h24186904251c31cb
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x6531daa9c893 - std::io::default_write_fmt::hdc5d19b6df666f61
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x6531daa9c893 - std::io::Write::write_fmt::h3ab9f1f4d8d19b72
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x6531daaa2b12 - std::sys::backtrace::BacktraceLock::print::he038489aba5894a6
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x6531daaa4bbc - std::panicking::default_hook::{{closure}}::h80a26d916c49679b
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x6531daaa4a16 - std::panicking::default_hook::he2e9efee79b3dce9
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:328:9
[INFO] [stdout]   11:     0x6531daaa5195 - std::panicking::panic_with_hook::hf5648b7cec6bc73e
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:834:13
[INFO] [stdout]   12:     0x6531daaa502a - std::panicking::panic_handler::{{closure}}::h1b2ed3864ba94359
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:707:13
[INFO] [stdout]   13:     0x6531daaa2c59 - std::sys::backtrace::__rust_end_short_backtrace::hd0186b2b27f5aaa7
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   14:     0x6531daa9050d - __rustc[f7dae8b92efe1d7a]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:698:5
[INFO] [stdout]   15:     0x6531daad8da0 - core::panicking::panic_fmt::hb5d6b83773432920
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x6531daad8326 - core::result::unwrap_failed::h427ee4a8bb06d8af
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/result.rs:1862:5
[INFO] [stdout]   17:     0x6531da9b500c - core::result::Result<T,E>::expect::h3e77754ca369852a
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/result.rs:1185:23
[INFO] [stdout]   18:     0x6531da9b13f3 - file_rotate::FileRotate<S>::new::h92d3b168c4e2cfd0
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/file-rotate-0.7.0/src/lib.rs:432:56
[INFO] [stdout]   19:     0x6531da9a2283 - <tracing_storage_logger::custom_layer::CustomLayer as tracing_subscriber::layer::Layer<S>>::on_event::h042e0714c91b7003
[INFO] [stdout]                                at /opt/rustwide/workdir/src/custom_layer/mod.rs:154:24
[INFO] [stdout]   20:     0x6531da9af417 - <tracing_subscriber::layer::layered::Layered<L,S> as tracing_core::subscriber::Subscriber>::event::h4fd761850fa4af24
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-subscriber-0.3.15/src/layer/layered.rs:154:20
[INFO] [stdout]   21:     0x6531da9eec12 - <alloc::sync::Arc<S> as tracing_core::subscriber::Subscriber>::event::h6a61d97877f65682
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-core-0.1.29/src/subscriber.rs:807:23
[INFO] [stdout]   22:     0x6531da9ebb07 - tracing_core::dispatcher::Dispatch::event::h886d419315ebdb98
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-core-0.1.29/src/dispatcher.rs:526:29
[INFO] [stdout]   23:     0x6531da9ebe21 - tracing_core::event::Event::dispatch::{{closure}}::hed685b767fe0101c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-core-0.1.29/src/event.rs:35:21
[INFO] [stdout]   24:     0x6531da9eb212 - tracing_core::dispatcher::get_default::{{closure}}::h0105331628fbaeea
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-core-0.1.29/src/dispatcher.rs:337:24
[INFO] [stdout]   25:     0x6531da9e933c - std::thread::local::LocalKey<T>::try_with::hbce501412fbd5db5
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/thread/local.rs:508:12
[INFO] [stdout]   26:     0x6531da9eb0be - tracing_core::dispatcher::get_default::hd99a2f113c80c148
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-core-0.1.29/src/dispatcher.rs:335:10
[INFO] [stdout]   27:     0x6531da9ebdf9 - tracing_core::event::Event::dispatch::h685e0144c976319c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-core-0.1.29/src/event.rs:34:9
[INFO] [stdout]   28:     0x6531da98ec0e - rust_out::main::{{closure}}::h2dce8c0f838f8f9e
[INFO] [stdout]   29:     0x6531da98e84b - rust_out::main::hbdf05be24bd65ee6
[INFO] [stdout]   30:     0x6531da98b393 - core::ops::function::FnOnce::call_once::h1e8c751e4a62d14e
[INFO] [stdout]   31:     0x6531da98b376 - std::sys::backtrace::__rust_begin_short_backtrace::h6f205b09ee900b2a
[INFO] [stdout]   32:     0x6531da98b349 - std::rt::lang_start::{{closure}}::h374dad1e7f5efc95
[INFO] [stdout]   33:     0x6531daa9e040 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h8434f550918e723f
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   34:     0x6531daa9e040 - std::panicking::catch_unwind::do_call::h7f7a838f33db43be
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40
[INFO] [stdout]   35:     0x6531daa9e040 - std::panicking::catch_unwind::hf345702047129f6d
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19
[INFO] [stdout]   36:     0x6531daa9e040 - std::panic::catch_unwind::h42f92c278294a3a0
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14
[INFO] [stdout]   37:     0x6531daa9e040 - std::rt::lang_start_internal::{{closure}}::ha6834eab5ce60f45
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/rt.rs:175:24
[INFO] [stdout]   38:     0x6531daa9e040 - std::panicking::catch_unwind::do_call::hf4afda32c60c9e55
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40
[INFO] [stdout]   39:     0x6531daa9e040 - std::panicking::catch_unwind::hbfda5503aab4db1e
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19
[INFO] [stdout]   40:     0x6531daa9e040 - std::panic::catch_unwind::h1a1ed11560d244f4
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x6531daa9e040 - std::rt::lang_start_internal::h1f713c0146d469ad
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/rt.rs:171:5
[INFO] [stdout]   42:     0x6531da98b331 - std::rt::lang_start::h25a068bab729a087
[INFO] [stdout]   43:     0x6531da98ec35 - main
[INFO] [stdout]   44:     0x7b5e58e1d1ca - <unknown>
[INFO] [stdout]   45:     0x7b5e58e1d28b - __libc_start_main
[INFO] [stdout]   46:     0x6531da98b0f5 - _start
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 6)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.61s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "aabc4323050706852d3cd1e098c37b27f2c8377109f24f2c4d366c75615dd9a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aabc4323050706852d3cd1e098c37b27f2c8377109f24f2c4d366c75615dd9a8", kill_on_drop: false }`
[INFO] [stdout] aabc4323050706852d3cd1e098c37b27f2c8377109f24f2c4d366c75615dd9a8
