[INFO] fetching crate comment-by 0.1.2...
[INFO] testing comment-by-0.1.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate comment-by 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate comment-by 0.1.2 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 comment-by 0.1.2
[INFO] finished tweaking crates.io crate comment-by 0.1.2
[INFO] tweaked toml for crates.io crate comment-by 0.1.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate comment-by 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded encoding_rs_io v0.1.7
[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] c7d667d0e25bffaba609e8a9ccc67f284bfacdb76191bf29d2ac7806fd95e457
[INFO] running `Command { std: "docker" "start" "-a" "c7d667d0e25bffaba609e8a9ccc67f284bfacdb76191bf29d2ac7806fd95e457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7d667d0e25bffaba609e8a9ccc67f284bfacdb76191bf29d2ac7806fd95e457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7d667d0e25bffaba609e8a9ccc67f284bfacdb76191bf29d2ac7806fd95e457", kill_on_drop: false }`
[INFO] [stdout] c7d667d0e25bffaba609e8a9ccc67f284bfacdb76191bf29d2ac7806fd95e457
[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] 4b92a94c488cdbf54a4a2f5cecffbb3fca6b32aafa82e6ecd074c73472f1a938
[INFO] running `Command { std: "docker" "start" "-a" "4b92a94c488cdbf54a4a2f5cecffbb3fca6b32aafa82e6ecd074c73472f1a938", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling encoding_rs_io v0.1.7
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling comment-by v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.43s
[INFO] running `Command { std: "docker" "inspect" "4b92a94c488cdbf54a4a2f5cecffbb3fca6b32aafa82e6ecd074c73472f1a938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b92a94c488cdbf54a4a2f5cecffbb3fca6b32aafa82e6ecd074c73472f1a938", kill_on_drop: false }`
[INFO] [stdout] 4b92a94c488cdbf54a4a2f5cecffbb3fca6b32aafa82e6ecd074c73472f1a938
[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] af08bb67a66a60e0a7d74f55f2e94e255e4887192d2094dd4ae0f4e1db44d06b
[INFO] running `Command { std: "docker" "start" "-a" "af08bb67a66a60e0a7d74f55f2e94e255e4887192d2094dd4ae0f4e1db44d06b", kill_on_drop: false }`
[INFO] [stderr]    Compiling comment-by v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "af08bb67a66a60e0a7d74f55f2e94e255e4887192d2094dd4ae0f4e1db44d06b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af08bb67a66a60e0a7d74f55f2e94e255e4887192d2094dd4ae0f4e1db44d06b", kill_on_drop: false }`
[INFO] [stdout] af08bb67a66a60e0a7d74f55f2e94e255e4887192d2094dd4ae0f4e1db44d06b
[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] 0a09286a23c71e461c4eee766bc80197d2e8cd6137a582e2af14d878fa60b9d1
[INFO] running `Command { std: "docker" "start" "-a" "0a09286a23c71e461c4eee766bc80197d2e8cd6137a582e2af14d878fa60b9d1", 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 0.04s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/comment_by-fbb8c88a43e91dc3)
[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" "0a09286a23c71e461c4eee766bc80197d2e8cd6137a582e2af14d878fa60b9d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a09286a23c71e461c4eee766bc80197d2e8cd6137a582e2af14d878fa60b9d1", kill_on_drop: false }`
[INFO] [stdout] 0a09286a23c71e461c4eee766bc80197d2e8cd6137a582e2af14d878fa60b9d1