[INFO] fetching crate rc-box 1.2.0...
[INFO] building rc-box-1.2.0 against master#222c5724ecc922fe67815f428c19f82c129d9386 for pr-97334
[INFO] extracting crate rc-box 1.2.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate rc-box 1.2.0 on toolchain 222c5724ecc922fe67815f428c19f82c129d9386
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rc-box 1.2.0
[INFO] finished tweaking crates.io crate rc-box 1.2.0
[INFO] tweaked toml for crates.io crate rc-box 1.2.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slice-dst v1.5.1
[INFO] [stderr]   Downloaded erasable v1.2.1
[INFO] [stderr]   Downloaded unsize v1.1.0
[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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5a221035dd237094ad69aa46c770dcd416f402bd2068c74503a78328c6cb7d6
[INFO] running `Command { std: "docker" "start" "-a" "b5a221035dd237094ad69aa46c770dcd416f402bd2068c74503a78328c6cb7d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5a221035dd237094ad69aa46c770dcd416f402bd2068c74503a78328c6cb7d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5a221035dd237094ad69aa46c770dcd416f402bd2068c74503a78328c6cb7d6", kill_on_drop: false }`
[INFO] [stdout] b5a221035dd237094ad69aa46c770dcd416f402bd2068c74503a78328c6cb7d6
[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=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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36fc463618b63d12af023b54dae7bfa2dc80218db3c2d17d9b7048eba0cf8fbb
[INFO] running `Command { std: "docker" "start" "-a" "36fc463618b63d12af023b54dae7bfa2dc80218db3c2d17d9b7048eba0cf8fbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling erasable v1.2.1
[INFO] [stderr]    Compiling rc-box v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "36fc463618b63d12af023b54dae7bfa2dc80218db3c2d17d9b7048eba0cf8fbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36fc463618b63d12af023b54dae7bfa2dc80218db3c2d17d9b7048eba0cf8fbb", kill_on_drop: false }`
[INFO] [stdout] 36fc463618b63d12af023b54dae7bfa2dc80218db3c2d17d9b7048eba0cf8fbb
[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=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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f2fb7b80ba78679e7a01da210e93b47826715cb4e258fa1b978df1fde5a711b
[INFO] running `Command { std: "docker" "start" "-a" "5f2fb7b80ba78679e7a01da210e93b47826715cb4e258fa1b978df1fde5a711b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rc-box v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/rc_box-3215d36442d9da84)
[INFO] running `Command { std: "docker" "inspect" "5f2fb7b80ba78679e7a01da210e93b47826715cb4e258fa1b978df1fde5a711b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f2fb7b80ba78679e7a01da210e93b47826715cb4e258fa1b978df1fde5a711b", kill_on_drop: false }`
[INFO] [stdout] 5f2fb7b80ba78679e7a01da210e93b47826715cb4e258fa1b978df1fde5a711b