[INFO] updating cached repository howeih/Day-30-Strassen-multiplication
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/howeih/Day-30-Strassen-multiplication
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/howeih/Day-30-Strassen-multiplication" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/howeih/Day-30-Strassen-multiplication"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/howeih/Day-30-Strassen-multiplication'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/howeih/Day-30-Strassen-multiplication" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/howeih/Day-30-Strassen-multiplication"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/howeih/Day-30-Strassen-multiplication'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6f8d722a91e269193891940b5a29e5a4a1f221ce
[INFO] sha for GitHub repo howeih/Day-30-Strassen-multiplication: 6f8d722a91e269193891940b5a29e5a4a1f221ce
[INFO] validating manifest of howeih/Day-30-Strassen-multiplication 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 howeih/Day-30-Strassen-multiplication 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 howeih/Day-30-Strassen-multiplication
[INFO] finished frobbing howeih/Day-30-Strassen-multiplication
[INFO] frobbed toml for howeih/Day-30-Strassen-multiplication written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/howeih/Day-30-Strassen-multiplication/Cargo.toml
[INFO] started frobbing howeih/Day-30-Strassen-multiplication
[INFO] finished frobbing howeih/Day-30-Strassen-multiplication
[INFO] frobbed toml for howeih/Day-30-Strassen-multiplication written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/howeih/Day-30-Strassen-multiplication/Cargo.toml
[INFO] crate howeih/Day-30-Strassen-multiplication 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 howeih/Day-30-Strassen-multiplication against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/howeih/Day-30-Strassen-multiplication:/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] cd6069b1e094118f0f6fb0ca68a5e02b37f87b386bb43cb8364aa4a2eb956e96
[INFO] running `"docker" "start" "-a" "cd6069b1e094118f0f6fb0ca68a5e02b37f87b386bb43cb8364aa4a2eb956e96"`
[INFO] [stderr]    Compiling strassen v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `"docker" "inspect" "cd6069b1e094118f0f6fb0ca68a5e02b37f87b386bb43cb8364aa4a2eb956e96"`
[INFO] running `"docker" "rm" "-f" "cd6069b1e094118f0f6fb0ca68a5e02b37f87b386bb43cb8364aa4a2eb956e96"`
[INFO] [stdout] cd6069b1e094118f0f6fb0ca68a5e02b37f87b386bb43cb8364aa4a2eb956e96
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/howeih/Day-30-Strassen-multiplication:/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] 533c8f988c55b6bed70135b9289d108b01d46da2b72778172a6f985c98784f34
[INFO] running `"docker" "start" "-a" "533c8f988c55b6bed70135b9289d108b01d46da2b72778172a6f985c98784f34"`
[INFO] [stderr]    Compiling strassen v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `"docker" "inspect" "533c8f988c55b6bed70135b9289d108b01d46da2b72778172a6f985c98784f34"`
[INFO] running `"docker" "rm" "-f" "533c8f988c55b6bed70135b9289d108b01d46da2b72778172a6f985c98784f34"`
[INFO] [stdout] 533c8f988c55b6bed70135b9289d108b01d46da2b72778172a6f985c98784f34
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/howeih/Day-30-Strassen-multiplication:/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] fd6fe0b52c23edc45c6b52840fb395e866c807b6f899e04b39ac213baaa0153e
[INFO] running `"docker" "start" "-a" "fd6fe0b52c23edc45c6b52840fb395e866c807b6f899e04b39ac213baaa0153e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/strassen-4263692dfaf3028c
[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" "fd6fe0b52c23edc45c6b52840fb395e866c807b6f899e04b39ac213baaa0153e"`
[INFO] running `"docker" "rm" "-f" "fd6fe0b52c23edc45c6b52840fb395e866c807b6f899e04b39ac213baaa0153e"`
[INFO] [stdout] fd6fe0b52c23edc45c6b52840fb395e866c807b6f899e04b39ac213baaa0153e