[INFO] fetching crate rusty_list 0.1.2...
[INFO] building rusty_list-0.1.2 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate rusty_list 0.1.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate rusty_list 0.1.2
[INFO] finished tweaking crates.io crate rusty_list 0.1.2
[INFO] tweaked toml for crates.io crate rusty_list 0.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rusty_list 0.1.2 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rusty_list 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b43e6b40458584567474ea73078649328a5a21db4e1c3b432c4de37b4d8cf59b
[INFO] running `Command { std: "docker" "start" "-a" "b43e6b40458584567474ea73078649328a5a21db4e1c3b432c4de37b4d8cf59b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b43e6b40458584567474ea73078649328a5a21db4e1c3b432c4de37b4d8cf59b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b43e6b40458584567474ea73078649328a5a21db4e1c3b432c4de37b4d8cf59b", kill_on_drop: false }`
[INFO] [stdout] b43e6b40458584567474ea73078649328a5a21db4e1c3b432c4de37b4d8cf59b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a21f1ffb3022e585af9c570cab99d3383b672456850dd76df0fcd7f9ad5a92cb
[INFO] running `Command { std: "docker" "start" "-a" "a21f1ffb3022e585af9c570cab99d3383b672456850dd76df0fcd7f9ad5a92cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusty_list v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "a21f1ffb3022e585af9c570cab99d3383b672456850dd76df0fcd7f9ad5a92cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a21f1ffb3022e585af9c570cab99d3383b672456850dd76df0fcd7f9ad5a92cb", kill_on_drop: false }`
[INFO] [stdout] a21f1ffb3022e585af9c570cab99d3383b672456850dd76df0fcd7f9ad5a92cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c9329a222419173550966219f31e46dfa9e07c604e69f6672dc804ae7b6006e
[INFO] running `Command { std: "docker" "start" "-a" "7c9329a222419173550966219f31e46dfa9e07c604e69f6672dc804ae7b6006e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusty_list v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "7c9329a222419173550966219f31e46dfa9e07c604e69f6672dc804ae7b6006e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c9329a222419173550966219f31e46dfa9e07c604e69f6672dc804ae7b6006e", kill_on_drop: false }`
[INFO] [stdout] 7c9329a222419173550966219f31e46dfa9e07c604e69f6672dc804ae7b6006e