[INFO] fetching crate return 0.0.0...
[INFO] testing return-0.0.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate return 0.0.0 into /workspace/builds/worker-98/source
[INFO] validating manifest of crates.io crate return 0.0.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate return 0.0.0
[INFO] finished tweaking crates.io crate return 0.0.0
[INFO] tweaked toml for crates.io crate return 0.0.0 written to /workspace/builds/worker-98/source/Cargo.toml
[INFO] crate crates.io crate return 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38789755e306a7d72d80236ba3f419b714ac62e1ac77c7d9dee2a451fef501d6
[INFO] running `Command { std: "docker" "start" "-a" "38789755e306a7d72d80236ba3f419b714ac62e1ac77c7d9dee2a451fef501d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38789755e306a7d72d80236ba3f419b714ac62e1ac77c7d9dee2a451fef501d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38789755e306a7d72d80236ba3f419b714ac62e1ac77c7d9dee2a451fef501d6", kill_on_drop: false }`
[INFO] [stdout] 38789755e306a7d72d80236ba3f419b714ac62e1ac77c7d9dee2a451fef501d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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=warn" "-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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9975597ffbd5114f76dbed17e1936ca10e31c3c06ab1a1a8026cf77b7954d441
[INFO] running `Command { std: "docker" "start" "-a" "9975597ffbd5114f76dbed17e1936ca10e31c3c06ab1a1a8026cf77b7954d441", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling return v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "9975597ffbd5114f76dbed17e1936ca10e31c3c06ab1a1a8026cf77b7954d441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9975597ffbd5114f76dbed17e1936ca10e31c3c06ab1a1a8026cf77b7954d441", kill_on_drop: false }`
[INFO] [stdout] 9975597ffbd5114f76dbed17e1936ca10e31c3c06ab1a1a8026cf77b7954d441
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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=warn" "-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" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00ed73f9f0608b357fed017d00dd4e3b7c008952415e8a3dd060b3dd7cd6b65c
[INFO] running `Command { std: "docker" "start" "-a" "00ed73f9f0608b357fed017d00dd4e3b7c008952415e8a3dd060b3dd7cd6b65c", kill_on_drop: false }`
[INFO] [stderr]    Compiling return v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "00ed73f9f0608b357fed017d00dd4e3b7c008952415e8a3dd060b3dd7cd6b65c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00ed73f9f0608b357fed017d00dd4e3b7c008952415e8a3dd060b3dd7cd6b65c", kill_on_drop: false }`
[INFO] [stdout] 00ed73f9f0608b357fed017d00dd4e3b7c008952415e8a3dd060b3dd7cd6b65c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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=warn" "-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" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ee53beea0b3a502771d1157b932fcab0d28f78013b93e289b0704c521bb1bb8f
[INFO] running `Command { std: "docker" "start" "-a" "ee53beea0b3a502771d1157b932fcab0d28f78013b93e289b0704c521bb1bb8f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/return-84660b0a26ca34d6)
[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" "ee53beea0b3a502771d1157b932fcab0d28f78013b93e289b0704c521bb1bb8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee53beea0b3a502771d1157b932fcab0d28f78013b93e289b0704c521bb1bb8f", kill_on_drop: false }`
[INFO] [stdout] ee53beea0b3a502771d1157b932fcab0d28f78013b93e289b0704c521bb1bb8f
