[INFO] fetching crate myu 0.1.0...
[INFO] testing myu-0.1.0 against try#1b74e096b9bfb06f84a3007193dcd2f059cbdf6a for pr-96025
[INFO] extracting crate myu 0.1.0 into /workspace/builds/worker-76/source
[INFO] validating manifest of crates.io crate myu 0.1.0 on toolchain 1b74e096b9bfb06f84a3007193dcd2f059cbdf6a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate myu 0.1.0
[INFO] finished tweaking crates.io crate myu 0.1.0
[INFO] tweaked toml for crates.io crate myu 0.1.0 written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] crate crates.io crate myu 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "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-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73c4f252510ceb761dd0d6f80292f32e5424db1c5d77b99faf739bbee5415de9
[INFO] running `Command { std: "docker" "start" "-a" "73c4f252510ceb761dd0d6f80292f32e5424db1c5d77b99faf739bbee5415de9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73c4f252510ceb761dd0d6f80292f32e5424db1c5d77b99faf739bbee5415de9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73c4f252510ceb761dd0d6f80292f32e5424db1c5d77b99faf739bbee5415de9", kill_on_drop: false }`
[INFO] [stdout] 73c4f252510ceb761dd0d6f80292f32e5424db1c5d77b99faf739bbee5415de9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ea851968852d323d877f21a904b8a789fc0cb519addad84c1b93f4306abdb9b
[INFO] running `Command { std: "docker" "start" "-a" "7ea851968852d323d877f21a904b8a789fc0cb519addad84c1b93f4306abdb9b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling myu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.94s
[INFO] running `Command { std: "docker" "inspect" "7ea851968852d323d877f21a904b8a789fc0cb519addad84c1b93f4306abdb9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ea851968852d323d877f21a904b8a789fc0cb519addad84c1b93f4306abdb9b", kill_on_drop: false }`
[INFO] [stdout] 7ea851968852d323d877f21a904b8a789fc0cb519addad84c1b93f4306abdb9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cb0466cd3132a515608285193d637d1687161229c5b18e6201baf7e1aa2a052
[INFO] running `Command { std: "docker" "start" "-a" "1cb0466cd3132a515608285193d637d1687161229c5b18e6201baf7e1aa2a052", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling myu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 21.92s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/myu-43c2974e3193106d)
[INFO] running `Command { std: "docker" "inspect" "1cb0466cd3132a515608285193d637d1687161229c5b18e6201baf7e1aa2a052", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cb0466cd3132a515608285193d637d1687161229c5b18e6201baf7e1aa2a052", kill_on_drop: false }`
[INFO] [stdout] 1cb0466cd3132a515608285193d637d1687161229c5b18e6201baf7e1aa2a052
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 08bf122a00c0bbd8d5c51f9ada85f63d80426be63b517454b372112ebcb6d9fd
[INFO] running `Command { std: "docker" "start" "-a" "08bf122a00c0bbd8d5c51f9ada85f63d80426be63b517454b372112ebcb6d9fd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/myu-43c2974e3193106d)
[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" "08bf122a00c0bbd8d5c51f9ada85f63d80426be63b517454b372112ebcb6d9fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08bf122a00c0bbd8d5c51f9ada85f63d80426be63b517454b372112ebcb6d9fd", kill_on_drop: false }`
[INFO] [stdout] 08bf122a00c0bbd8d5c51f9ada85f63d80426be63b517454b372112ebcb6d9fd