[INFO] fetching crate wingchain 0.1.0...
[INFO] testing wingchain-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate wingchain 0.1.0 into /workspace/builds/worker-77/source
[INFO] validating manifest of crates.io crate wingchain 0.1.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wingchain 0.1.0
[INFO] finished tweaking crates.io crate wingchain 0.1.0
[INFO] tweaked toml for crates.io crate wingchain 0.1.0 written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] crate crates.io crate wingchain 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 997ea7423281c88d3ebc5ed7c164b982575eb49837294baf611934da76f77b06
[INFO] running `Command { std: "docker" "start" "-a" "997ea7423281c88d3ebc5ed7c164b982575eb49837294baf611934da76f77b06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "997ea7423281c88d3ebc5ed7c164b982575eb49837294baf611934da76f77b06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "997ea7423281c88d3ebc5ed7c164b982575eb49837294baf611934da76f77b06", kill_on_drop: false }`
[INFO] [stdout] 997ea7423281c88d3ebc5ed7c164b982575eb49837294baf611934da76f77b06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7e86018ee31c23e18aa308b0142425a414bf18398328760e51aa64021685578
[INFO] running `Command { std: "docker" "start" "-a" "a7e86018ee31c23e18aa308b0142425a414bf18398328760e51aa64021685578", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling wingchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "a7e86018ee31c23e18aa308b0142425a414bf18398328760e51aa64021685578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7e86018ee31c23e18aa308b0142425a414bf18398328760e51aa64021685578", kill_on_drop: false }`
[INFO] [stdout] a7e86018ee31c23e18aa308b0142425a414bf18398328760e51aa64021685578
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09845d9d178c0a58ab7db4df2ee3b7a00b2724f035201f2bc118ef790a9c0ca5
[INFO] running `Command { std: "docker" "start" "-a" "09845d9d178c0a58ab7db4df2ee3b7a00b2724f035201f2bc118ef790a9c0ca5", kill_on_drop: false }`
[INFO] [stderr]    Compiling wingchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "09845d9d178c0a58ab7db4df2ee3b7a00b2724f035201f2bc118ef790a9c0ca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09845d9d178c0a58ab7db4df2ee3b7a00b2724f035201f2bc118ef790a9c0ca5", kill_on_drop: false }`
[INFO] [stdout] 09845d9d178c0a58ab7db4df2ee3b7a00b2724f035201f2bc118ef790a9c0ca5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8324c8331709b4a9ed97c8005fb44d14a4971ae20aac158de79eba6d0c294a20
[INFO] running `Command { std: "docker" "start" "-a" "8324c8331709b4a9ed97c8005fb44d14a4971ae20aac158de79eba6d0c294a20", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wingchain-93292d10376feb2f)
[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" "8324c8331709b4a9ed97c8005fb44d14a4971ae20aac158de79eba6d0c294a20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8324c8331709b4a9ed97c8005fb44d14a4971ae20aac158de79eba6d0c294a20", kill_on_drop: false }`
[INFO] [stdout] 8324c8331709b4a9ed97c8005fb44d14a4971ae20aac158de79eba6d0c294a20