[INFO] fetching crate snap 1.0.5...
[INFO] building snap-1.0.5 against master#d5c88c22807925c189328ef9d923c5d2b11a95b8 for pr-87066-3
[INFO] extracting crate snap 1.0.5 into /workspace/builds/worker-112/source
[INFO] validating manifest of crates.io crate snap 1.0.5 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate snap 1.0.5
[INFO] finished tweaking crates.io crate snap 1.0.5
[INFO] tweaked toml for crates.io crate snap 1.0.5 written to /workspace/builds/worker-112/source/Cargo.toml
[INFO] crate crates.io crate snap 1.0.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "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-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ded186d63d8c5b480b997d423b489a83010294023110106f62c13b90988cdcb6
[INFO] running `Command { std: "docker" "start" "-a" "ded186d63d8c5b480b997d423b489a83010294023110106f62c13b90988cdcb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ded186d63d8c5b480b997d423b489a83010294023110106f62c13b90988cdcb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ded186d63d8c5b480b997d423b489a83010294023110106f62c13b90988cdcb6", kill_on_drop: false }`
[INFO] [stdout] ded186d63d8c5b480b997d423b489a83010294023110106f62c13b90988cdcb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a0b185459a3d4174903bbd79082b08ba7caaf78fe6848331c10a235fc251169
[INFO] running `Command { std: "docker" "start" "-a" "1a0b185459a3d4174903bbd79082b08ba7caaf78fe6848331c10a235fc251169", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling snap v1.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.97s
[INFO] running `Command { std: "docker" "inspect" "1a0b185459a3d4174903bbd79082b08ba7caaf78fe6848331c10a235fc251169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a0b185459a3d4174903bbd79082b08ba7caaf78fe6848331c10a235fc251169", kill_on_drop: false }`
[INFO] [stdout] 1a0b185459a3d4174903bbd79082b08ba7caaf78fe6848331c10a235fc251169
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1eddd61fc0ffa4ec3a57a1c4f285ec669a18b6e62b1cd3d6e496dc69803272e
[INFO] running `Command { std: "docker" "start" "-a" "b1eddd61fc0ffa4ec3a57a1c4f285ec669a18b6e62b1cd3d6e496dc69803272e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling snap v1.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `Command { std: "docker" "inspect" "b1eddd61fc0ffa4ec3a57a1c4f285ec669a18b6e62b1cd3d6e496dc69803272e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1eddd61fc0ffa4ec3a57a1c4f285ec669a18b6e62b1cd3d6e496dc69803272e", kill_on_drop: false }`
[INFO] [stdout] b1eddd61fc0ffa4ec3a57a1c4f285ec669a18b6e62b1cd3d6e496dc69803272e