[INFO] updating cached repository ariponce/mp3-renamer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ariponce/mp3-renamer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ariponce/mp3-renamer" "work/ex/beta-1.38-1/sources/1.37.0/gh/ariponce/mp3-renamer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ariponce/mp3-renamer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ariponce/mp3-renamer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ariponce/mp3-renamer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ariponce/mp3-renamer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f4811c5b3d8e4101b21ea8774c18ec7bbd94f4e3
[INFO] sha for GitHub repo ariponce/mp3-renamer: f4811c5b3d8e4101b21ea8774c18ec7bbd94f4e3
[INFO] validating manifest of ariponce/mp3-renamer on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ariponce/mp3-renamer on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ariponce/mp3-renamer
[INFO] finished frobbing ariponce/mp3-renamer
[INFO] frobbed toml for ariponce/mp3-renamer written to work/ex/beta-1.38-1/sources/1.37.0/gh/ariponce/mp3-renamer/Cargo.toml
[INFO] started frobbing ariponce/mp3-renamer
[INFO] finished frobbing ariponce/mp3-renamer
[INFO] frobbed toml for ariponce/mp3-renamer written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ariponce/mp3-renamer/Cargo.toml
[INFO] crate ariponce/mp3-renamer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ariponce/mp3-renamer/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ariponce/mp3-renamer against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ariponce/mp3-renamer:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 2d4d3ce07c2ea2676de72f4dd07a8569eeb47a2f93473fff38adee22278b2f79
[INFO] running `"docker" "start" "-a" "2d4d3ce07c2ea2676de72f4dd07a8569eeb47a2f93473fff38adee22278b2f79"`
[INFO] [stderr]    Compiling id3 v0.1.12
[INFO] [stderr]    Compiling metaflac v0.1.8
[INFO] [stderr]    Compiling mp3-renamer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.22s
[INFO] running `"docker" "inspect" "2d4d3ce07c2ea2676de72f4dd07a8569eeb47a2f93473fff38adee22278b2f79"`
[INFO] running `"docker" "rm" "-f" "2d4d3ce07c2ea2676de72f4dd07a8569eeb47a2f93473fff38adee22278b2f79"`
[INFO] [stdout] 2d4d3ce07c2ea2676de72f4dd07a8569eeb47a2f93473fff38adee22278b2f79
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ariponce/mp3-renamer:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] aafe5e0f305a1c94f6e50453bb7fc122555139122ce3166c91631b8e497007eb
[INFO] running `"docker" "start" "-a" "aafe5e0f305a1c94f6e50453bb7fc122555139122ce3166c91631b8e497007eb"`
[INFO] [stderr]    Compiling mp3-renamer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "aafe5e0f305a1c94f6e50453bb7fc122555139122ce3166c91631b8e497007eb"`
[INFO] running `"docker" "rm" "-f" "aafe5e0f305a1c94f6e50453bb7fc122555139122ce3166c91631b8e497007eb"`
[INFO] [stdout] aafe5e0f305a1c94f6e50453bb7fc122555139122ce3166c91631b8e497007eb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ariponce/mp3-renamer:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 112860c198039e28afa99d35faf0b0ead74bcc3ef6b6d20439354d6f7414200b
[INFO] running `"docker" "start" "-a" "112860c198039e28afa99d35faf0b0ead74bcc3ef6b6d20439354d6f7414200b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mp3_renamer-401b529f5485f5e9
[INFO] running `"docker" "inspect" "112860c198039e28afa99d35faf0b0ead74bcc3ef6b6d20439354d6f7414200b"`
[INFO] running `"docker" "rm" "-f" "112860c198039e28afa99d35faf0b0ead74bcc3ef6b6d20439354d6f7414200b"`
[INFO] [stdout] 112860c198039e28afa99d35faf0b0ead74bcc3ef6b6d20439354d6f7414200b