[INFO] cloning repository https://github.com/TimonPost/cargo-toml-format
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TimonPost/cargo-toml-format" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimonPost%2Fcargo-toml-format", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimonPost%2Fcargo-toml-format'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dee7eb33ef2dd55797167a726c7cc7a7b57c22c1
[INFO] checking TimonPost/cargo-toml-format against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimonPost%2Fcargo-toml-format" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TimonPost/cargo-toml-format on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TimonPost/cargo-toml-format
[INFO] finished tweaking git repo https://github.com/TimonPost/cargo-toml-format
[INFO] tweaked toml for git repo https://github.com/TimonPost/cargo-toml-format written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/TimonPost/cargo-toml-format 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" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml_edit v0.14.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7315d5292af50f067be6735e79786011540838419b236ba7da0cb079fd8d15ac
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[INFO] running `Command { std: "docker" "rm" "-f" "7315d5292af50f067be6735e79786011540838419b236ba7da0cb079fd8d15ac", kill_on_drop: false }`
[INFO] [stdout] 7315d5292af50f067be6735e79786011540838419b236ba7da0cb079fd8d15ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f32ac68af9d95de261cfedb23c5e31cf484e99ae8b61a90efb08194d0b3ff160
[INFO] running `Command { std: "docker" "start" "-a" "f32ac68af9d95de261cfedb23c5e31cf484e99ae8b61a90efb08194d0b3ff160", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.139
[INFO] [stderr]    Compiling serde v1.0.139
[INFO] [stderr]    Compiling rustversion v1.0.8
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking either v1.7.0
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking combine v4.6.4
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]    Compiling strum_macros v0.24.2
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Checking toml_edit v0.14.4
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking cargo-toml-fmt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/ordering.rs:3:38
[INFO] [stdout]   |
[INFO] [stdout] 3 |     collections::{BTreeMap, HashMap, HashSet},
[INFO] [stdout]   |                                      ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Decor`
[INFO] [stdout]   --> src/ordering.rs:10:32
[INFO] [stdout]    |
[INFO] [stdout] 10 | use toml_edit::{ArrayOfTables, Decor, Document, Item, Key, Table, Value};
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TomlSort`, `utils::item_len`
[INFO] [stdout]   --> src/ordering.rs:14:48
[INFO] [stdout]    |
[INFO] [stdout] 14 |     package_order::{PackageOrder, TomlSection, TomlSort},
[INFO] [stdout]    |                                                ^^^^^^^^
[INFO] [stdout] 15 |     toml_config::TomlFormatConfig,
[INFO] [stdout] 16 |     utils::item_len,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TomlSort`
[INFO] [stdout]  --> src/toml_config.rs:3:41
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::package_order::{TomlSection, TomlSort};
[INFO] [stdout]   |                                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashSet`, `iter::FromIterator`, `ops::Index`
[INFO] [stdout]  --> src/ordering.rs:3:38
[INFO] [stdout]   |
[INFO] [stdout] 3 |     collections::{BTreeMap, HashMap, HashSet},
[INFO] [stdout]   |                                      ^^^^^^^
[INFO] [stdout] 4 |     iter::FromIterator,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 5 |     ops::Index,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Decor`
[INFO] [stdout]   --> src/ordering.rs:10:32
[INFO] [stdout]    |
[INFO] [stdout] 10 | use toml_edit::{ArrayOfTables, Decor, Document, Item, Key, Table, Value};
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::SplitTerminator`
[INFO] [stdout]  --> src/verify/fields.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::str::SplitTerminator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TomlSort`, `utils::item_len`
[INFO] [stdout]   --> src/ordering.rs:14:48
[INFO] [stdout]    |
[INFO] [stdout] 14 |     package_order::{PackageOrder, TomlSection, TomlSort},
[INFO] [stdout]    |                                                ^^^^^^^^
[INFO] [stdout] 15 |     toml_config::TomlFormatConfig,
[INFO] [stdout] 16 |     utils::item_len,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::LICENSES`
[INFO] [stdout]   --> src/verify/fields.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     use super::LICENSES;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TomlSort`
[INFO] [stdout]  --> src/toml_config.rs:3:41
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::package_order::{TomlSection, TomlSort};
[INFO] [stdout]   |                                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::SplitTerminator`
[INFO] [stdout]  --> src/verify/fields.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::str::SplitTerminator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iter::FromIterator`
[INFO] [stdout]  --> src/ordering.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     iter::FromIterator,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Index`
[INFO] [stdout]  --> src/ordering.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     ops::Index,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val1`
[INFO] [stdout]    --> src/ordering.rs:250:38
[INFO] [stdout]     |
[INFO] [stdout] 250 |         table.sort_values_by(|key_1, val1, key_2, val2| {
[INFO] [stdout]     |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_val1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val2`
[INFO] [stdout]    --> src/ordering.rs:250:51
[INFO] [stdout]     |
[INFO] [stdout] 250 |         table.sort_values_by(|key_1, val1, key_2, val2| {
[INFO] [stdout]     |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_val2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/ordering.rs:314:9
[INFO] [stdout]     |
[INFO] [stdout] 314 |         config: &TomlFormatConfig,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val1`
[INFO] [stdout]    --> src/ordering.rs:250:38
[INFO] [stdout]     |
[INFO] [stdout] 250 |         table.sort_values_by(|key_1, val1, key_2, val2| {
[INFO] [stdout]     |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_val1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val2`
[INFO] [stdout]    --> src/ordering.rs:250:51
[INFO] [stdout]     |
[INFO] [stdout] 250 |         table.sort_values_by(|key_1, val1, key_2, val2| {
[INFO] [stdout]     |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_val2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/ordering.rs:314:9
[INFO] [stdout]     |
[INFO] [stdout] 314 |         config: &TomlFormatConfig,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_valid_url` is never used
[INFO] [stdout]  --> src/verify/fields.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn is_valid_url(url: &str) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_valid_license` is never used
[INFO] [stdout]   --> src/verify/fields.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn is_valid_license(license: &str) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_valid_name` is never used
[INFO] [stdout]   --> src/verify/fields.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn is_valid_name() -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LICENSES` is never used
[INFO] [stdout]   --> src/verify/fields.rs:65:7
[INFO] [stdout]    |
[INFO] [stdout] 65 | const LICENSES: [&'static str; 496] = [
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_valid_url` is never used
[INFO] [stdout]  --> src/verify/fields.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn is_valid_url(url: &str) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_valid_name` is never used
[INFO] [stdout]   --> src/verify/fields.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn is_valid_name() -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `toml_config::TomlFormatConfig`
[INFO] [stdout]  --> tests/stress.rs:1:45
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cargo_toml_fmt::{cargo_toml::CargoToml, toml_config::TomlFormatConfig};
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TomlSort`
[INFO] [stdout]  --> tests/ordering.rs:3:34
[INFO] [stdout]   |
[INFO] [stdout] 3 |     package_order::{TomlSection, TomlSort},
[INFO] [stdout]   |                                  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected value, found crate `toml`
[INFO] [stdout]   --> tests/sandbox.rs:44:44
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let mut cargo = CargoToml::from_config(toml.to_string(), config).unwrap();
[INFO] [stdout]    |                                            ^^^^- help: use the path separator to refer to an item: `::`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Lines`
[INFO] [stdout]  --> tests/sandbox.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Lines;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `toml_edit::Document`
[INFO] [stdout]  --> tests/sandbox.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use toml_edit::Document;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0423`.
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cargo-toml-fmt` (test "sandbox") due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             toml.format();
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 53 |             let _ = toml.format();
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 | /             std::fs::write(
[INFO] [stdout] 56 | |                 toml_path,
[INFO] [stdout] 57 | |                 toml.toml_document.to_string().trim_end_matches("\r"),
[INFO] [stdout] 58 | |             );
[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] 55 |             let _ = std::fs::write(
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             toml.format();
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 53 |             let _ = toml.format();
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 | /             std::fs::write(
[INFO] [stdout] 56 | |                 toml_path,
[INFO] [stdout] 57 | |                 toml.toml_document.to_string().trim_end_matches("\r"),
[INFO] [stdout] 58 | |             );
[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] 55 |             let _ = std::fs::write(
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f32ac68af9d95de261cfedb23c5e31cf484e99ae8b61a90efb08194d0b3ff160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f32ac68af9d95de261cfedb23c5e31cf484e99ae8b61a90efb08194d0b3ff160", kill_on_drop: false }`
[INFO] [stdout] f32ac68af9d95de261cfedb23c5e31cf484e99ae8b61a90efb08194d0b3ff160
