[INFO] updating cached repository atsushi130/perceptron
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/atsushi130/perceptron
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/atsushi130/perceptron" "work/ex/beta-1.38-1/sources/1.37.0/gh/atsushi130/perceptron"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/atsushi130/perceptron'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/atsushi130/perceptron" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/atsushi130/perceptron"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/atsushi130/perceptron'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] faa5fe3c75986bcab83ca02d6551b0a4ddca9c3c
[INFO] sha for GitHub repo atsushi130/perceptron: faa5fe3c75986bcab83ca02d6551b0a4ddca9c3c
[INFO] validating manifest of atsushi130/perceptron 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 atsushi130/perceptron 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 atsushi130/perceptron
[INFO] finished frobbing atsushi130/perceptron
[INFO] frobbed toml for atsushi130/perceptron written to work/ex/beta-1.38-1/sources/1.37.0/gh/atsushi130/perceptron/Cargo.toml
[INFO] started frobbing atsushi130/perceptron
[INFO] finished frobbing atsushi130/perceptron
[INFO] frobbed toml for atsushi130/perceptron written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/atsushi130/perceptron/Cargo.toml
[INFO] crate atsushi130/perceptron 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing atsushi130/perceptron against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/atsushi130/perceptron:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] ad7034a9eae61c801db53cbb7df1559632fd2b86bef0418506ca850bc89ffb18
[INFO] running `"docker" "start" "-a" "ad7034a9eae61c801db53cbb7df1559632fd2b86bef0418506ca850bc89ffb18"`
[INFO] [stderr]    Compiling perceptron v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/learner/perceptron/perceptron.rs:64:19
[INFO] [stderr]    |
[INFO] [stderr] 64 |         self.sign((x as f64))
[INFO] [stderr]    |                   ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/file_operator/parser/tsv_parser.rs:11:37
[INFO] [stderr]    |
[INFO] [stderr] 11 |         let splits: Vec<_> = string.trim_right().split('\t').collect();
[INFO] [stderr]    |                                     ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `"docker" "inspect" "ad7034a9eae61c801db53cbb7df1559632fd2b86bef0418506ca850bc89ffb18"`
[INFO] running `"docker" "rm" "-f" "ad7034a9eae61c801db53cbb7df1559632fd2b86bef0418506ca850bc89ffb18"`
[INFO] [stdout] ad7034a9eae61c801db53cbb7df1559632fd2b86bef0418506ca850bc89ffb18
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/atsushi130/perceptron:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 906b8da50a0a11b49aa6af034d8d6085640627c8f84e3e8ee64bd4d981701d30
[INFO] running `"docker" "start" "-a" "906b8da50a0a11b49aa6af034d8d6085640627c8f84e3e8ee64bd4d981701d30"`
[INFO] [stderr]    Compiling perceptron v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/learner/perceptron/perceptron.rs:64:19
[INFO] [stderr]    |
[INFO] [stderr] 64 |         self.sign((x as f64))
[INFO] [stderr]    |                   ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/file_operator/parser/tsv_parser.rs:11:37
[INFO] [stderr]    |
[INFO] [stderr] 11 |         let splits: Vec<_> = string.trim_right().split('\t').collect();
[INFO] [stderr]    |                                     ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "906b8da50a0a11b49aa6af034d8d6085640627c8f84e3e8ee64bd4d981701d30"`
[INFO] running `"docker" "rm" "-f" "906b8da50a0a11b49aa6af034d8d6085640627c8f84e3e8ee64bd4d981701d30"`
[INFO] [stdout] 906b8da50a0a11b49aa6af034d8d6085640627c8f84e3e8ee64bd4d981701d30
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/atsushi130/perceptron:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] c273298685a3fe4186ab34252f70b6d18820fcc89daf9b291e23e19f1a4ee9e4
[INFO] running `"docker" "start" "-a" "c273298685a3fe4186ab34252f70b6d18820fcc89daf9b291e23e19f1a4ee9e4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/perceptron-3baa72a3f3ec4ccc
[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] running `"docker" "inspect" "c273298685a3fe4186ab34252f70b6d18820fcc89daf9b291e23e19f1a4ee9e4"`
[INFO] running `"docker" "rm" "-f" "c273298685a3fe4186ab34252f70b6d18820fcc89daf9b291e23e19f1a4ee9e4"`
[INFO] [stdout] c273298685a3fe4186ab34252f70b6d18820fcc89daf9b291e23e19f1a4ee9e4