[INFO] fetching crate cargo-xtask 0.1.0...
[INFO] testing cargo-xtask-0.1.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate cargo-xtask 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cargo-xtask 0.1.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-xtask 0.1.0
[INFO] finished tweaking crates.io crate cargo-xtask 0.1.0
[INFO] tweaked toml for crates.io crate cargo-xtask 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate cargo-xtask 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7151d69c992f3745d3771e0d588e8d1cc2f7611895eeff88f3fd77d392e1c26
[INFO] running `Command { std: "docker" "start" "-a" "c7151d69c992f3745d3771e0d588e8d1cc2f7611895eeff88f3fd77d392e1c26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7151d69c992f3745d3771e0d588e8d1cc2f7611895eeff88f3fd77d392e1c26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7151d69c992f3745d3771e0d588e8d1cc2f7611895eeff88f3fd77d392e1c26", kill_on_drop: false }`
[INFO] [stdout] c7151d69c992f3745d3771e0d588e8d1cc2f7611895eeff88f3fd77d392e1c26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c6655fb4367dc5c767948a9f53830479310fef5cd8dbe543b85249d69632562
[INFO] running `Command { std: "docker" "start" "-a" "8c6655fb4367dc5c767948a9f53830479310fef5cd8dbe543b85249d69632562", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-xtask v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "8c6655fb4367dc5c767948a9f53830479310fef5cd8dbe543b85249d69632562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c6655fb4367dc5c767948a9f53830479310fef5cd8dbe543b85249d69632562", kill_on_drop: false }`
[INFO] [stdout] 8c6655fb4367dc5c767948a9f53830479310fef5cd8dbe543b85249d69632562
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3882f7aad5bf4b2b0d9db99c1db4097dc537f9dad35731fe355738e4ad11203
[INFO] running `Command { std: "docker" "start" "-a" "b3882f7aad5bf4b2b0d9db99c1db4097dc537f9dad35731fe355738e4ad11203", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-xtask v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "b3882f7aad5bf4b2b0d9db99c1db4097dc537f9dad35731fe355738e4ad11203", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3882f7aad5bf4b2b0d9db99c1db4097dc537f9dad35731fe355738e4ad11203", kill_on_drop: false }`
[INFO] [stdout] b3882f7aad5bf4b2b0d9db99c1db4097dc537f9dad35731fe355738e4ad11203
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8f8883d97a95f621242ca35e4ce81dde1ce2455a06f622c5b5783acef6bf9ee0
[INFO] running `Command { std: "docker" "start" "-a" "8f8883d97a95f621242ca35e4ce81dde1ce2455a06f622c5b5783acef6bf9ee0", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cargo_xtask-0f7aebf9e1003ab8)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8f8883d97a95f621242ca35e4ce81dde1ce2455a06f622c5b5783acef6bf9ee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f8883d97a95f621242ca35e4ce81dde1ce2455a06f622c5b5783acef6bf9ee0", kill_on_drop: false }`
[INFO] [stdout] 8f8883d97a95f621242ca35e4ce81dde1ce2455a06f622c5b5783acef6bf9ee0