[INFO] fetching crate mushinru 0.1.0...
[INFO] building mushinru-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate mushinru 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate mushinru 0.1.0
[INFO] finished tweaking crates.io crate mushinru 0.1.0
[INFO] tweaked toml for crates.io crate mushinru 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mushinru 0.1.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mushinru 0.1.0 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75a32a957b696745b863b23fa4dc1764fb3339a3c43842f35fc54b9050552b8d
[INFO] running `Command { std: "docker" "start" "-a" "75a32a957b696745b863b23fa4dc1764fb3339a3c43842f35fc54b9050552b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75a32a957b696745b863b23fa4dc1764fb3339a3c43842f35fc54b9050552b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75a32a957b696745b863b23fa4dc1764fb3339a3c43842f35fc54b9050552b8d", kill_on_drop: false }`
[INFO] [stdout] 75a32a957b696745b863b23fa4dc1764fb3339a3c43842f35fc54b9050552b8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07a27a1cc87c3648e8015cc8fadb475cfe90c88f13b8179e2c3273c7a1c0809c
[INFO] running `Command { std: "docker" "start" "-a" "07a27a1cc87c3648e8015cc8fadb475cfe90c88f13b8179e2c3273c7a1c0809c", kill_on_drop: false }`
[INFO] [stderr]    Compiling mushinru v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "07a27a1cc87c3648e8015cc8fadb475cfe90c88f13b8179e2c3273c7a1c0809c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07a27a1cc87c3648e8015cc8fadb475cfe90c88f13b8179e2c3273c7a1c0809c", kill_on_drop: false }`
[INFO] [stdout] 07a27a1cc87c3648e8015cc8fadb475cfe90c88f13b8179e2c3273c7a1c0809c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1deb06f723ddd0732f5b606d882fd99e700b43fc18a630694065b5ad603da14d
[INFO] running `Command { std: "docker" "start" "-a" "1deb06f723ddd0732f5b606d882fd99e700b43fc18a630694065b5ad603da14d", kill_on_drop: false }`
[INFO] [stderr]    Compiling mushinru v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "1deb06f723ddd0732f5b606d882fd99e700b43fc18a630694065b5ad603da14d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1deb06f723ddd0732f5b606d882fd99e700b43fc18a630694065b5ad603da14d", kill_on_drop: false }`
[INFO] [stdout] 1deb06f723ddd0732f5b606d882fd99e700b43fc18a630694065b5ad603da14d