[INFO] fetching crate readconfig 0.2.5...
[INFO] testing readconfig-0.2.5 against 1.55.0 for beta-1.56-1
[INFO] extracting crate readconfig 0.2.5 into /workspace/builds/worker-80/source
[INFO] validating manifest of crates.io crate readconfig 0.2.5 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate readconfig 0.2.5
[INFO] finished tweaking crates.io crate readconfig 0.2.5
[INFO] tweaked toml for crates.io crate readconfig 0.2.5 written to /workspace/builds/worker-80/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe5ed244cd4a3c74996754a088d6126eb2ee812af175a6138672eb8a7e572460
[INFO] running `Command { std: "docker" "start" "-a" "fe5ed244cd4a3c74996754a088d6126eb2ee812af175a6138672eb8a7e572460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe5ed244cd4a3c74996754a088d6126eb2ee812af175a6138672eb8a7e572460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe5ed244cd4a3c74996754a088d6126eb2ee812af175a6138672eb8a7e572460", kill_on_drop: false }`
[INFO] [stdout] fe5ed244cd4a3c74996754a088d6126eb2ee812af175a6138672eb8a7e572460
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5366a010ac5ec739429763208d75805634b66bb1797f8f65d04807dc0eb4a895
[INFO] running `Command { std: "docker" "start" "-a" "5366a010ac5ec739429763208d75805634b66bb1797f8f65d04807dc0eb4a895", kill_on_drop: false }`
[INFO] [stderr]    Compiling readconfig v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "5366a010ac5ec739429763208d75805634b66bb1797f8f65d04807dc0eb4a895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5366a010ac5ec739429763208d75805634b66bb1797f8f65d04807dc0eb4a895", kill_on_drop: false }`
[INFO] [stdout] 5366a010ac5ec739429763208d75805634b66bb1797f8f65d04807dc0eb4a895
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56b97f05febb84179c045a2a9d2030f0ac4fe60f62051f03ef662c50eb62afb3
[INFO] running `Command { std: "docker" "start" "-a" "56b97f05febb84179c045a2a9d2030f0ac4fe60f62051f03ef662c50eb62afb3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling readconfig v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "56b97f05febb84179c045a2a9d2030f0ac4fe60f62051f03ef662c50eb62afb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56b97f05febb84179c045a2a9d2030f0ac4fe60f62051f03ef662c50eb62afb3", kill_on_drop: false }`
[INFO] [stdout] 56b97f05febb84179c045a2a9d2030f0ac4fe60f62051f03ef662c50eb62afb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c9b8bc6cc500e8f456f8799ea7da70e16455be9fa4530d1bc99c8b4c92e87e36
[INFO] running `Command { std: "docker" "start" "-a" "c9b8bc6cc500e8f456f8799ea7da70e16455be9fa4530d1bc99c8b4c92e87e36", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/readconfig-27ec8771429bc2e5)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests readconfig
[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] [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" "c9b8bc6cc500e8f456f8799ea7da70e16455be9fa4530d1bc99c8b4c92e87e36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9b8bc6cc500e8f456f8799ea7da70e16455be9fa4530d1bc99c8b4c92e87e36", kill_on_drop: false }`
[INFO] [stdout] c9b8bc6cc500e8f456f8799ea7da70e16455be9fa4530d1bc99c8b4c92e87e36