[INFO] fetching crate err-gen 0.1.4...
[INFO] testing err-gen-0.1.4 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate err-gen 0.1.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate err-gen 0.1.4 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate err-gen 0.1.4
[INFO] finished tweaking crates.io crate err-gen 0.1.4
[INFO] tweaked toml for crates.io crate err-gen 0.1.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77193fae8c5ec0db426a7435b24d1306c23e7bd028f4f6a617fb9a9bf34f6c3b
[INFO] running `Command { std: "docker" "start" "-a" "77193fae8c5ec0db426a7435b24d1306c23e7bd028f4f6a617fb9a9bf34f6c3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77193fae8c5ec0db426a7435b24d1306c23e7bd028f4f6a617fb9a9bf34f6c3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77193fae8c5ec0db426a7435b24d1306c23e7bd028f4f6a617fb9a9bf34f6c3b", kill_on_drop: false }`
[INFO] [stdout] 77193fae8c5ec0db426a7435b24d1306c23e7bd028f4f6a617fb9a9bf34f6c3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8454f30bfa40630b9c7d6bcd1de58059a0e12cbb1478e486312d777c979ec2a0
[INFO] running `Command { std: "docker" "start" "-a" "8454f30bfa40630b9c7d6bcd1de58059a0e12cbb1478e486312d777c979ec2a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling err-gen v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.83s
[INFO] running `Command { std: "docker" "inspect" "8454f30bfa40630b9c7d6bcd1de58059a0e12cbb1478e486312d777c979ec2a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8454f30bfa40630b9c7d6bcd1de58059a0e12cbb1478e486312d777c979ec2a0", kill_on_drop: false }`
[INFO] [stdout] 8454f30bfa40630b9c7d6bcd1de58059a0e12cbb1478e486312d777c979ec2a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 783ef066c14c3e5db8c7967466ad70fdfdf4435e6c0e9d5ec6d9a3e884d83a11
[INFO] running `Command { std: "docker" "start" "-a" "783ef066c14c3e5db8c7967466ad70fdfdf4435e6c0e9d5ec6d9a3e884d83a11", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling err-gen v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "783ef066c14c3e5db8c7967466ad70fdfdf4435e6c0e9d5ec6d9a3e884d83a11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "783ef066c14c3e5db8c7967466ad70fdfdf4435e6c0e9d5ec6d9a3e884d83a11", kill_on_drop: false }`
[INFO] [stdout] 783ef066c14c3e5db8c7967466ad70fdfdf4435e6c0e9d5ec6d9a3e884d83a11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2164082821c0cc67a897cd219f94968afe4c46a9de562ef68af692746377410d
[INFO] running `Command { std: "docker" "start" "-a" "2164082821c0cc67a897cd219f94968afe4c46a9de562ef68af692746377410d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/err_gen-bb0eeca53b3842a8)
[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] [stderr]    Doc-tests err-gen
[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" "2164082821c0cc67a897cd219f94968afe4c46a9de562ef68af692746377410d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2164082821c0cc67a897cd219f94968afe4c46a9de562ef68af692746377410d", kill_on_drop: false }`
[INFO] [stdout] 2164082821c0cc67a897cd219f94968afe4c46a9de562ef68af692746377410d