[INFO] fetching crate fuzzy-from-json-value 0.1.0...
[INFO] checking fuzzy-from-json-value-0.1.0 against try#d336647335db03a0fc5b24fc5325cd3905c5b8e8 for pr-151146
[INFO] extracting crate fuzzy-from-json-value 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate fuzzy-from-json-value 0.1.0
[INFO] finished tweaking crates.io crate fuzzy-from-json-value 0.1.0
[INFO] tweaked toml for crates.io crate fuzzy-from-json-value 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fuzzy-from-json-value 0.1.0 on toolchain d336647335db03a0fc5b24fc5325cd3905c5b8e8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fuzzy-from-json-value 0.1.0 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" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db636bc71b9018fd727c7ee87feae95605b90165ec614087891bc4a956e2d560
[INFO] running `Command { std: "docker" "start" "-a" "db636bc71b9018fd727c7ee87feae95605b90165ec614087891bc4a956e2d560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db636bc71b9018fd727c7ee87feae95605b90165ec614087891bc4a956e2d560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db636bc71b9018fd727c7ee87feae95605b90165ec614087891bc4a956e2d560", kill_on_drop: false }`
[INFO] [stdout] db636bc71b9018fd727c7ee87feae95605b90165ec614087891bc4a956e2d560
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b28e774f3e40bb31303568c0d3bbc6fe16384c057b4cb27cc23dde6f97e2d396
[INFO] running `Command { std: "docker" "start" "-a" "b28e774f3e40bb31303568c0d3bbc6fe16384c057b4cb27cc23dde6f97e2d396", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling export-magic v0.3.6
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling derive-error v0.0.5
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]     Checking serde_path_to_error v0.1.17
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling error-tree v0.6.0
[INFO] [stderr]     Checking fuzzy-from-json-value v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `MapAccess` and `Visitor`
[INFO] [stdout]  --> src/imports.rs:5:61
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) use serde::de::{self, Deserialize, Deserializer, MapAccess, Visitor};
[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: `std::fmt`
[INFO] [stdout]  --> src/imports.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub(crate) use std::fmt;
[INFO] [stdout]   |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing::error`
[INFO] [stdout]  --> src/imports.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub(crate) use tracing::error;
[INFO] [stdout]   |                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]   --> src/imports.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub(crate) use std::path::PathBuf;
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: ambiguous glob re-exports
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | x!{access}
[INFO] [stdout]   | ^^^^^^^^^^ the name `flatten_fields_if_present` in the value namespace is first re-exported here
[INFO] [stdout] 5 | x!{flatten_fields_if_present}
[INFO] [stdout]   | ----------------------------- but the name `flatten_fields_if_present` in the value namespace is also re-exported here
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #107880 <https://github.com/rust-lang/rust/issues/107880>
[INFO] [stdout]   = note: `#[deny(ambiguous_glob_reexports)]` (part of `#[deny(future_incompatible)]`) on by default
[INFO] [stdout]   = note: this error originates in the macro `x` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error as PathError`
[INFO] [stdout]   --> src/fuzzy_from_json_value.rs:41:33
[INFO] [stdout]    |
[INFO] [stdout] 41 | use serde_path_to_error::{self, Error as PathError};
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MapAccess` and `Visitor`
[INFO] [stdout]  --> src/imports.rs:5:61
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) use serde::de::{self, Deserialize, Deserializer, MapAccess, Visitor};
[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: `std::fmt`
[INFO] [stdout]  --> src/imports.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub(crate) use std::fmt;
[INFO] [stdout]   |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing::error`
[INFO] [stdout]  --> src/imports.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub(crate) use tracing::error;
[INFO] [stdout]   |                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]   --> src/imports.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub(crate) use std::path::PathBuf;
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: ambiguous glob re-exports
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | x!{access}
[INFO] [stdout]   | ^^^^^^^^^^ the name `flatten_fields_if_present` in the value namespace is first re-exported here
[INFO] [stdout] 5 | x!{flatten_fields_if_present}
[INFO] [stdout]   | ----------------------------- but the name `flatten_fields_if_present` in the value namespace is also re-exported here
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #107880 <https://github.com/rust-lang/rust/issues/107880>
[INFO] [stdout]   = note: `#[deny(ambiguous_glob_reexports)]` (part of `#[deny(future_incompatible)]`) on by default
[INFO] [stdout]   = note: this error originates in the macro `x` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error as PathError`
[INFO] [stdout]   --> src/fuzzy_from_json_value.rs:41:33
[INFO] [stdout]    |
[INFO] [stdout] 41 | use serde_path_to_error::{self, Error as PathError};
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `flatten_fields_if_present` is never used
[INFO] [stdout]   --> src/access.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn flatten_fields_if_present(value: &mut Value) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `flatten_fields_if_present` is never used
[INFO] [stdout]  --> src/flatten_fields_if_present.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn flatten_fields_if_present(obj: &mut serde_json::Map<String, serde_json::Value>) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fuzzy-from-json-value` (lib test) due to 2 previous errors; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: function `flatten_fields_if_present` is never used
[INFO] [stdout]   --> src/access.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn flatten_fields_if_present(value: &mut Value) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `flatten_fields_if_present` is never used
[INFO] [stdout]  --> src/flatten_fields_if_present.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn flatten_fields_if_present(obj: &mut serde_json::Map<String, serde_json::Value>) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fuzzy-from-json-value` (lib) due to 2 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b28e774f3e40bb31303568c0d3bbc6fe16384c057b4cb27cc23dde6f97e2d396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b28e774f3e40bb31303568c0d3bbc6fe16384c057b4cb27cc23dde6f97e2d396", kill_on_drop: false }`
[INFO] [stdout] b28e774f3e40bb31303568c0d3bbc6fe16384c057b4cb27cc23dde6f97e2d396