[INFO] fetching crate atomic-write 0.2.0...
[INFO] testing atomic-write-0.2.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate atomic-write 0.2.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate atomic-write 0.2.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate atomic-write 0.2.0
[INFO] finished tweaking crates.io crate atomic-write 0.2.0
[INFO] tweaked toml for crates.io crate atomic-write 0.2.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8281e29fab88075ec0bf3f7dc17d25d7a71f97ea34831bd6fef1c8fd6c5841b1
[INFO] running `Command { std: "docker" "start" "-a" "8281e29fab88075ec0bf3f7dc17d25d7a71f97ea34831bd6fef1c8fd6c5841b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8281e29fab88075ec0bf3f7dc17d25d7a71f97ea34831bd6fef1c8fd6c5841b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8281e29fab88075ec0bf3f7dc17d25d7a71f97ea34831bd6fef1c8fd6c5841b1", kill_on_drop: false }`
[INFO] [stdout] 8281e29fab88075ec0bf3f7dc17d25d7a71f97ea34831bd6fef1c8fd6c5841b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e13cfd489e9d8069e78407d7b2fdd0b433b62e7bbe189be8d952c2544a4cfdc
[INFO] running `Command { std: "docker" "start" "-a" "7e13cfd489e9d8069e78407d7b2fdd0b433b62e7bbe189be8d952c2544a4cfdc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nix v0.12.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling atomic-write v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `message`
[INFO] [stdout]  --> src/error.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     message: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/error.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.75s
[INFO] running `Command { std: "docker" "inspect" "7e13cfd489e9d8069e78407d7b2fdd0b433b62e7bbe189be8d952c2544a4cfdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e13cfd489e9d8069e78407d7b2fdd0b433b62e7bbe189be8d952c2544a4cfdc", kill_on_drop: false }`
[INFO] [stdout] 7e13cfd489e9d8069e78407d7b2fdd0b433b62e7bbe189be8d952c2544a4cfdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] caaa64b67ddfe228c178d0a6635fb4d11a287542c12a1dab0adccf72b8eaefc2
[INFO] running `Command { std: "docker" "start" "-a" "caaa64b67ddfe228c178d0a6635fb4d11a287542c12a1dab0adccf72b8eaefc2", kill_on_drop: false }`
[INFO] [stdout] warning: field is never read: `message`
[INFO] [stdout]  --> src/error.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     message: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/error.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling atomic-write v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `message`
[INFO] [stdout]  --> src/error.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     message: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/error.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/atomic_write-63684c5fa97fad0a)
[INFO] running `Command { std: "docker" "inspect" "caaa64b67ddfe228c178d0a6635fb4d11a287542c12a1dab0adccf72b8eaefc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caaa64b67ddfe228c178d0a6635fb4d11a287542c12a1dab0adccf72b8eaefc2", kill_on_drop: false }`
[INFO] [stdout] caaa64b67ddfe228c178d0a6635fb4d11a287542c12a1dab0adccf72b8eaefc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 12ce656f77917795eae506676c2586633a541df17d1ca6a6a32b4e1db87ec955
[INFO] running `Command { std: "docker" "start" "-a" "12ce656f77917795eae506676c2586633a541df17d1ca6a6a32b4e1db87ec955", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: field is never read: `message`
[INFO] [stdout] 
[INFO] [stderr]  --> src/error.rs:5:5
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 5 |     message: String,
[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] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/error.rs:3:10
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[derive(Debug)]
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `atomic-write` (lib) generated 1 warning
[INFO] [stderr] warning: `atomic-write` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/atomic_write-63684c5fa97fad0a)
[INFO] [stderr]    Doc-tests atomic-write
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "12ce656f77917795eae506676c2586633a541df17d1ca6a6a32b4e1db87ec955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12ce656f77917795eae506676c2586633a541df17d1ca6a6a32b4e1db87ec955", kill_on_drop: false }`
[INFO] [stdout] 12ce656f77917795eae506676c2586633a541df17d1ca6a6a32b4e1db87ec955