[INFO] updating cached repository csharad/mime-detective
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/csharad/mime-detective
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/csharad/mime-detective" "work/ex/beta-1.37-6/sources/1.36.0/gh/csharad/mime-detective"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/csharad/mime-detective'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/csharad/mime-detective" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/csharad/mime-detective"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/csharad/mime-detective'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c92ccadde131081d96b5f030acc65d2b2a80d2f3
[INFO] sha for GitHub repo csharad/mime-detective: c92ccadde131081d96b5f030acc65d2b2a80d2f3
[INFO] validating manifest of csharad/mime-detective on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of csharad/mime-detective on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing csharad/mime-detective
[INFO] finished frobbing csharad/mime-detective
[INFO] frobbed toml for csharad/mime-detective written to work/ex/beta-1.37-6/sources/1.36.0/gh/csharad/mime-detective/Cargo.toml
[INFO] started frobbing csharad/mime-detective
[INFO] finished frobbing csharad/mime-detective
[INFO] frobbed toml for csharad/mime-detective written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/csharad/mime-detective/Cargo.toml
[INFO] crate csharad/mime-detective already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing csharad/mime-detective against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/csharad/mime-detective:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 54ecf166063278ac1163046ac0e01af6606dd9f47b968d6a4cdec55c128336c1
[INFO] running `"docker" "start" "-a" "54ecf166063278ac1163046ac0e01af6606dd9f47b968d6a4cdec55c128336c1"`
[INFO] [stderr]    Compiling magic-sys v0.2.0
[INFO] [stderr]    Compiling mime v0.3.13
[INFO] [stderr]    Compiling magic v0.12.2
[INFO] [stderr]    Compiling mime-detective v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/lib.rs:86:51
[INFO] [stderr]    |
[INFO] [stderr] 86 |             DetectiveError::Magic(ref err) => err.cause(),
[INFO] [stderr]    |                                                   ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/lib.rs:87:51
[INFO] [stderr]    |
[INFO] [stderr] 87 |             DetectiveError::Parse(ref err) => err.cause(),
[INFO] [stderr]    |                                                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/lib.rs:88:48
[INFO] [stderr]    |
[INFO] [stderr] 88 |             DetectiveError::IO(ref err) => err.cause(),
[INFO] [stderr]    |                                                ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.60s
[INFO] running `"docker" "inspect" "54ecf166063278ac1163046ac0e01af6606dd9f47b968d6a4cdec55c128336c1"`
[INFO] running `"docker" "rm" "-f" "54ecf166063278ac1163046ac0e01af6606dd9f47b968d6a4cdec55c128336c1"`
[INFO] [stdout] 54ecf166063278ac1163046ac0e01af6606dd9f47b968d6a4cdec55c128336c1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/csharad/mime-detective:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] e2ed09fe5ce106320f24de5a073600368aeffc0c1e5252c75431ea4543c7f68c
[INFO] running `"docker" "start" "-a" "e2ed09fe5ce106320f24de5a073600368aeffc0c1e5252c75431ea4543c7f68c"`
[INFO] [stderr]    Compiling mime-detective v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/lib.rs:86:51
[INFO] [stderr]    |
[INFO] [stderr] 86 |             DetectiveError::Magic(ref err) => err.cause(),
[INFO] [stderr]    |                                                   ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/lib.rs:87:51
[INFO] [stderr]    |
[INFO] [stderr] 87 |             DetectiveError::Parse(ref err) => err.cause(),
[INFO] [stderr]    |                                                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/lib.rs:88:48
[INFO] [stderr]    |
[INFO] [stderr] 88 |             DetectiveError::IO(ref err) => err.cause(),
[INFO] [stderr]    |                                                ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `"docker" "inspect" "e2ed09fe5ce106320f24de5a073600368aeffc0c1e5252c75431ea4543c7f68c"`
[INFO] running `"docker" "rm" "-f" "e2ed09fe5ce106320f24de5a073600368aeffc0c1e5252c75431ea4543c7f68c"`
[INFO] [stdout] e2ed09fe5ce106320f24de5a073600368aeffc0c1e5252c75431ea4543c7f68c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/csharad/mime-detective:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] d8264fa7f3686bb5e5a60fef566fec370d1b8e9e1cd43543a9d4443e1c920859
[INFO] running `"docker" "start" "-a" "d8264fa7f3686bb5e5a60fef566fec370d1b8e9e1cd43543a9d4443e1c920859"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mime_detective-edff4901500b29b2
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::detect_buffer ... ok
[INFO] [stdout] test tests::detect_filepath ... ok
[INFO] [stdout] test tests::detect_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mime-detective
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d8264fa7f3686bb5e5a60fef566fec370d1b8e9e1cd43543a9d4443e1c920859"`
[INFO] running `"docker" "rm" "-f" "d8264fa7f3686bb5e5a60fef566fec370d1b8e9e1cd43543a9d4443e1c920859"`
[INFO] [stdout] d8264fa7f3686bb5e5a60fef566fec370d1b8e9e1cd43543a9d4443e1c920859