[INFO] updating cached repository obi-jan-kenobi/rust-perceptron
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/obi-jan-kenobi/rust-perceptron
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/obi-jan-kenobi/rust-perceptron" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/obi-jan-kenobi/rust-perceptron"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/obi-jan-kenobi/rust-perceptron'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/obi-jan-kenobi/rust-perceptron" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/obi-jan-kenobi/rust-perceptron"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/obi-jan-kenobi/rust-perceptron'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 94caf77385f13f668d52d1039822915aa83124aa
[INFO] sha for GitHub repo obi-jan-kenobi/rust-perceptron: 94caf77385f13f668d52d1039822915aa83124aa
[INFO] validating manifest of obi-jan-kenobi/rust-perceptron on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of obi-jan-kenobi/rust-perceptron on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing obi-jan-kenobi/rust-perceptron
[INFO] finished frobbing obi-jan-kenobi/rust-perceptron
[INFO] frobbed toml for obi-jan-kenobi/rust-perceptron written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/obi-jan-kenobi/rust-perceptron/Cargo.toml
[INFO] started frobbing obi-jan-kenobi/rust-perceptron
[INFO] finished frobbing obi-jan-kenobi/rust-perceptron
[INFO] frobbed toml for obi-jan-kenobi/rust-perceptron written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/obi-jan-kenobi/rust-perceptron/Cargo.toml
[INFO] crate obi-jan-kenobi/rust-perceptron has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing obi-jan-kenobi/rust-perceptron against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/obi-jan-kenobi/rust-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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] ab88281a32b279f5d8e25afd08074bc7c77af68718e1e711baf1ee6bfb9e692b
[INFO] running `"docker" "start" "-a" "ab88281a32b279f5d8e25afd08074bc7c77af68718e1e711baf1ee6bfb9e692b"`
[INFO] [stderr]    Compiling rand v0.5.1
[INFO] [stderr]    Compiling perceptron v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.66s
[INFO] running `"docker" "inspect" "ab88281a32b279f5d8e25afd08074bc7c77af68718e1e711baf1ee6bfb9e692b"`
[INFO] running `"docker" "rm" "-f" "ab88281a32b279f5d8e25afd08074bc7c77af68718e1e711baf1ee6bfb9e692b"`
[INFO] [stdout] ab88281a32b279f5d8e25afd08074bc7c77af68718e1e711baf1ee6bfb9e692b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/obi-jan-kenobi/rust-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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] b79bd0067b571944767ea18b9fc2f8ddd5f475d8c6f634af937681cd8f9d460f
[INFO] running `"docker" "start" "-a" "b79bd0067b571944767ea18b9fc2f8ddd5f475d8c6f634af937681cd8f9d460f"`
[INFO] [stderr]    Compiling perceptron v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "b79bd0067b571944767ea18b9fc2f8ddd5f475d8c6f634af937681cd8f9d460f"`
[INFO] running `"docker" "rm" "-f" "b79bd0067b571944767ea18b9fc2f8ddd5f475d8c6f634af937681cd8f9d460f"`
[INFO] [stdout] b79bd0067b571944767ea18b9fc2f8ddd5f475d8c6f634af937681cd8f9d460f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/obi-jan-kenobi/rust-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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 05f54bf3ec4b3e4df073c33b4287fa491e6f03e0c00f3d59075c7c87ccc2414f
[INFO] running `"docker" "start" "-a" "05f54bf3ec4b3e4df073c33b4287fa491e6f03e0c00f3d59075c7c87ccc2414f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/perceptron-c211ec9ac844b2f8
[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" "05f54bf3ec4b3e4df073c33b4287fa491e6f03e0c00f3d59075c7c87ccc2414f"`
[INFO] running `"docker" "rm" "-f" "05f54bf3ec4b3e4df073c33b4287fa491e6f03e0c00f3d59075c7c87ccc2414f"`
[INFO] [stdout] 05f54bf3ec4b3e4df073c33b4287fa491e6f03e0c00f3d59075c7c87ccc2414f