[INFO] fetching crate trailer 0.1.2...
[INFO] testing trailer-0.1.2 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate trailer 0.1.2 into /workspace/builds/worker-51/source
[INFO] validating manifest of crates.io crate trailer 0.1.2 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trailer 0.1.2
[INFO] finished tweaking crates.io crate trailer 0.1.2
[INFO] tweaked toml for crates.io crate trailer 0.1.2 written to /workspace/builds/worker-51/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 760580cd0decb06c7b94d0a3545d49d7a8bf254530d181f51b65e065ee054c3c
[INFO] running `Command { std: "docker" "start" "-a" "760580cd0decb06c7b94d0a3545d49d7a8bf254530d181f51b65e065ee054c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "760580cd0decb06c7b94d0a3545d49d7a8bf254530d181f51b65e065ee054c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "760580cd0decb06c7b94d0a3545d49d7a8bf254530d181f51b65e065ee054c3c", kill_on_drop: false }`
[INFO] [stdout] 760580cd0decb06c7b94d0a3545d49d7a8bf254530d181f51b65e065ee054c3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f79cded4d996d3f7e733b1b37357b15196991ebe01178af03ba281f2e38d764
[INFO] running `Command { std: "docker" "start" "-a" "9f79cded4d996d3f7e733b1b37357b15196991ebe01178af03ba281f2e38d764", kill_on_drop: false }`
[INFO] [stderr]    Compiling trailer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "9f79cded4d996d3f7e733b1b37357b15196991ebe01178af03ba281f2e38d764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f79cded4d996d3f7e733b1b37357b15196991ebe01178af03ba281f2e38d764", kill_on_drop: false }`
[INFO] [stdout] 9f79cded4d996d3f7e733b1b37357b15196991ebe01178af03ba281f2e38d764
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5099663df38412b1bdb349bcf56641bd22f56ac42f958d3813bbc8f473554780
[INFO] running `Command { std: "docker" "start" "-a" "5099663df38412b1bdb349bcf56641bd22f56ac42f958d3813bbc8f473554780", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling trailer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `field1`
[INFO] [stdout]    --> src/lib.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |             field1: usize,
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `field2`
[INFO] [stdout]    --> src/lib.rs:146:13
[INFO] [stdout]     |
[INFO] [stdout] 146 |             field2: bool,
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "5099663df38412b1bdb349bcf56641bd22f56ac42f958d3813bbc8f473554780", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5099663df38412b1bdb349bcf56641bd22f56ac42f958d3813bbc8f473554780", kill_on_drop: false }`
[INFO] [stdout] 5099663df38412b1bdb349bcf56641bd22f56ac42f958d3813bbc8f473554780
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a0171c0e907c04971755926fd6b0447f316aa2128b0a66b077f15c951d088c18
[INFO] running `Command { std: "docker" "start" "-a" "a0171c0e907c04971755926fd6b0447f316aa2128b0a66b077f15c951d088c18", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `field1`
[INFO] [stderr]    --> src/lib.rs:145:13
[INFO] [stderr]     |
[INFO] [stderr] 145 |             field1: usize,
[INFO] [stderr]     |             ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `field2`
[INFO] [stderr]    --> src/lib.rs:146:13
[INFO] [stderr]     |
[INFO] [stderr] 146 |             field2: bool,
[INFO] [stderr]     |             ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `trailer` (lib test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/trailer-145690fdc4f3f819)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::copy ... ok
[INFO] [stdout] test tests::default ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests trailer
[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" "a0171c0e907c04971755926fd6b0447f316aa2128b0a66b077f15c951d088c18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0171c0e907c04971755926fd6b0447f316aa2128b0a66b077f15c951d088c18", kill_on_drop: false }`
[INFO] [stdout] a0171c0e907c04971755926fd6b0447f316aa2128b0a66b077f15c951d088c18