[INFO] fetching crate crater 0.1.0...
[INFO] testing crater-0.1.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate crater 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate crater 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 crater 0.1.0
[INFO] finished tweaking crates.io crate crater 0.1.0
[INFO] tweaked toml for crates.io crate crater 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate crater 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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] b3146246cdb76485210ce5ef25891e510f94d63edb06a30d3515710e51707dc5
[INFO] running `Command { std: "docker" "start" "-a" "b3146246cdb76485210ce5ef25891e510f94d63edb06a30d3515710e51707dc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3146246cdb76485210ce5ef25891e510f94d63edb06a30d3515710e51707dc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3146246cdb76485210ce5ef25891e510f94d63edb06a30d3515710e51707dc5", kill_on_drop: false }`
[INFO] [stdout] b3146246cdb76485210ce5ef25891e510f94d63edb06a30d3515710e51707dc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 158a9b9bb5bb9ccabe3ab2b4f26cdc48507f07c6e9eb8f6017a45b8191afbec6
[INFO] running `Command { std: "docker" "start" "-a" "158a9b9bb5bb9ccabe3ab2b4f26cdc48507f07c6e9eb8f6017a45b8191afbec6", kill_on_drop: false }`
[INFO] [stderr]    Compiling crater v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "158a9b9bb5bb9ccabe3ab2b4f26cdc48507f07c6e9eb8f6017a45b8191afbec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "158a9b9bb5bb9ccabe3ab2b4f26cdc48507f07c6e9eb8f6017a45b8191afbec6", kill_on_drop: false }`
[INFO] [stdout] 158a9b9bb5bb9ccabe3ab2b4f26cdc48507f07c6e9eb8f6017a45b8191afbec6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 1185d3153381b7a94581206f75848b9905f4d351a144269a24a42c841bd3a4fa
[INFO] running `Command { std: "docker" "start" "-a" "1185d3153381b7a94581206f75848b9905f4d351a144269a24a42c841bd3a4fa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crater v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "1185d3153381b7a94581206f75848b9905f4d351a144269a24a42c841bd3a4fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1185d3153381b7a94581206f75848b9905f4d351a144269a24a42c841bd3a4fa", kill_on_drop: false }`
[INFO] [stdout] 1185d3153381b7a94581206f75848b9905f4d351a144269a24a42c841bd3a4fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] e2b95e36c7256e87a28bf915b991339102fd2fb82bff5ccfeddf99d5e408dcd5
[INFO] running `Command { std: "docker" "start" "-a" "e2b95e36c7256e87a28bf915b991339102fd2fb82bff5ccfeddf99d5e408dcd5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/crater-5c0c458c40c22980)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[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" "e2b95e36c7256e87a28bf915b991339102fd2fb82bff5ccfeddf99d5e408dcd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2b95e36c7256e87a28bf915b991339102fd2fb82bff5ccfeddf99d5e408dcd5", kill_on_drop: false }`
[INFO] [stdout] e2b95e36c7256e87a28bf915b991339102fd2fb82bff5ccfeddf99d5e408dcd5