[INFO] fetching crate variadic_arguments 0.1.2...
[INFO] building variadic_arguments-0.1.2 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate variadic_arguments 0.1.2 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate variadic_arguments 0.1.2
[INFO] finished tweaking crates.io crate variadic_arguments 0.1.2
[INFO] tweaked toml for crates.io crate variadic_arguments 0.1.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate variadic_arguments 0.1.2 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate variadic_arguments 0.1.2 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5ffca73817329485b28b62a19aacd91bd42700fc0a239d81ee69d8999abd2de
[INFO] running `Command { std: "docker" "start" "-a" "e5ffca73817329485b28b62a19aacd91bd42700fc0a239d81ee69d8999abd2de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5ffca73817329485b28b62a19aacd91bd42700fc0a239d81ee69d8999abd2de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5ffca73817329485b28b62a19aacd91bd42700fc0a239d81ee69d8999abd2de", kill_on_drop: false }`
[INFO] [stdout] e5ffca73817329485b28b62a19aacd91bd42700fc0a239d81ee69d8999abd2de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79fa5fcdcaf285e0573a89e04d12490b87ed403b7c6e1c24271d382d0a2d9aa0
[INFO] running `Command { std: "docker" "start" "-a" "79fa5fcdcaf285e0573a89e04d12490b87ed403b7c6e1c24271d382d0a2d9aa0", kill_on_drop: false }`
[INFO] [stderr]    Compiling variadic_arguments v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "79fa5fcdcaf285e0573a89e04d12490b87ed403b7c6e1c24271d382d0a2d9aa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79fa5fcdcaf285e0573a89e04d12490b87ed403b7c6e1c24271d382d0a2d9aa0", kill_on_drop: false }`
[INFO] [stdout] 79fa5fcdcaf285e0573a89e04d12490b87ed403b7c6e1c24271d382d0a2d9aa0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 719c83c53b406f972b07f815003bab4c8cadbd527fac81c7e91ff85cadee62f3
[INFO] running `Command { std: "docker" "start" "-a" "719c83c53b406f972b07f815003bab4c8cadbd527fac81c7e91ff85cadee62f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling variadic_arguments v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/tests/owned_argument.rs:112:24
[INFO] [stdout]     |
[INFO] [stdout] 112 |     struct AllocSample(Vec<u8>);
[INFO] [stdout]     |            ----------- ^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `AllocSample` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "719c83c53b406f972b07f815003bab4c8cadbd527fac81c7e91ff85cadee62f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "719c83c53b406f972b07f815003bab4c8cadbd527fac81c7e91ff85cadee62f3", kill_on_drop: false }`
[INFO] [stdout] 719c83c53b406f972b07f815003bab4c8cadbd527fac81c7e91ff85cadee62f3