[INFO] cloning repository https://github.com/notryanb/id3_parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/notryanb/id3_parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotryanb%2Fid3_parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotryanb%2Fid3_parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0f9d712f59e51f3290540eeb86fdc24ef0475692
[INFO] testing notryanb/id3_parser against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotryanb%2Fid3_parser" "/workspace/builds/worker-42/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-42/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/notryanb/id3_parser 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 git repo https://github.com/notryanb/id3_parser
[INFO] finished tweaking git repo https://github.com/notryanb/id3_parser
[INFO] tweaked toml for git repo https://github.com/notryanb/id3_parser written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] crate git repo https://github.com/notryanb/id3_parser already has a lockfile, it will not be regenerated
[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-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 54487ba2a0c4cdb2bb4e4f8fc593ba58f2480db555739e17d43f775025b3cb3f
[INFO] running `Command { std: "docker" "start" "-a" "54487ba2a0c4cdb2bb4e4f8fc593ba58f2480db555739e17d43f775025b3cb3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54487ba2a0c4cdb2bb4e4f8fc593ba58f2480db555739e17d43f775025b3cb3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54487ba2a0c4cdb2bb4e4f8fc593ba58f2480db555739e17d43f775025b3cb3f", kill_on_drop: false }`
[INFO] [stdout] 54487ba2a0c4cdb2bb4e4f8fc593ba58f2480db555739e17d43f775025b3cb3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 69e53809c8848f3fdc076f5ec46b44ca69ce93dcfc72ff8337bcd142f006229f
[INFO] running `Command { std: "docker" "start" "-a" "69e53809c8848f3fdc076f5ec46b44ca69ce93dcfc72ff8337bcd142f006229f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling byteorder v1.2.6
[INFO] [stderr]    Compiling mp3_tagger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.36s
[INFO] running `Command { std: "docker" "inspect" "69e53809c8848f3fdc076f5ec46b44ca69ce93dcfc72ff8337bcd142f006229f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69e53809c8848f3fdc076f5ec46b44ca69ce93dcfc72ff8337bcd142f006229f", kill_on_drop: false }`
[INFO] [stdout] 69e53809c8848f3fdc076f5ec46b44ca69ce93dcfc72ff8337bcd142f006229f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] c5cb097964b42b09b13adb4d26bca95233d1804c05472d4ae51a47d767eab118
[INFO] running `Command { std: "docker" "start" "-a" "c5cb097964b42b09b13adb4d26bca95233d1804c05472d4ae51a47d767eab118", kill_on_drop: false }`
[INFO] [stderr]    Compiling mp3_tagger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "c5cb097964b42b09b13adb4d26bca95233d1804c05472d4ae51a47d767eab118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5cb097964b42b09b13adb4d26bca95233d1804c05472d4ae51a47d767eab118", kill_on_drop: false }`
[INFO] [stdout] c5cb097964b42b09b13adb4d26bca95233d1804c05472d4ae51a47d767eab118
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 45e7b061160626710dbab191888f95b056d1fd4b45be8d1debbde90b776395a5
[INFO] running `Command { std: "docker" "start" "-a" "45e7b061160626710dbab191888f95b056d1fd4b45be8d1debbde90b776395a5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mp3_tagger-52617836d6d7554d)
[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" "45e7b061160626710dbab191888f95b056d1fd4b45be8d1debbde90b776395a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45e7b061160626710dbab191888f95b056d1fd4b45be8d1debbde90b776395a5", kill_on_drop: false }`
[INFO] [stdout] 45e7b061160626710dbab191888f95b056d1fd4b45be8d1debbde90b776395a5