[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/beta-1.37-6/sources/1.36.0/gh/howeih/Day-30-Strassen-multiplication"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/howeih/Day-30-Strassen-multiplication'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/howeih/Day-30-Strassen-multiplication" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/howeih/Day-30-Strassen-multiplication"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 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 howeih/Day-30-Strassen-multiplication 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 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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/gh/howeih/Day-30-Strassen-multiplication/Cargo.toml
[INFO] crate howeih/Day-30-Strassen-multiplication 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 howeih/Day-30-Strassen-multiplication 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-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=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] 8b155f9b0ceb718badc09c05277d9e3a82605bb49a6344cec9edc8ec94739324
[INFO] running `"docker" "start" "-a" "8b155f9b0ceb718badc09c05277d9e3a82605bb49a6344cec9edc8ec94739324"`
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling ndarray v0.11.2
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling strassen v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.59s
[INFO] running `"docker" "inspect" "8b155f9b0ceb718badc09c05277d9e3a82605bb49a6344cec9edc8ec94739324"`
[INFO] running `"docker" "rm" "-f" "8b155f9b0ceb718badc09c05277d9e3a82605bb49a6344cec9edc8ec94739324"`
[INFO] [stdout] 8b155f9b0ceb718badc09c05277d9e3a82605bb49a6344cec9edc8ec94739324
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=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] 1ca291373c84e63676551e533e47139e1be44e1af32c24c2c45a77e775d3e1ac
[INFO] running `"docker" "start" "-a" "1ca291373c84e63676551e533e47139e1be44e1af32c24c2c45a77e775d3e1ac"`
[INFO] [stderr]    Compiling strassen v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `"docker" "inspect" "1ca291373c84e63676551e533e47139e1be44e1af32c24c2c45a77e775d3e1ac"`
[INFO] running `"docker" "rm" "-f" "1ca291373c84e63676551e533e47139e1be44e1af32c24c2c45a77e775d3e1ac"`
[INFO] [stdout] 1ca291373c84e63676551e533e47139e1be44e1af32c24c2c45a77e775d3e1ac
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=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] fb8cd9a48a334ae7fb7f9e54d20264c7456319dcba564dbcf9daf65c888950c6
[INFO] running `"docker" "start" "-a" "fb8cd9a48a334ae7fb7f9e54d20264c7456319dcba564dbcf9daf65c888950c6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/strassen-f0bc9ff8b154b4a5
[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" "fb8cd9a48a334ae7fb7f9e54d20264c7456319dcba564dbcf9daf65c888950c6"`
[INFO] running `"docker" "rm" "-f" "fb8cd9a48a334ae7fb7f9e54d20264c7456319dcba564dbcf9daf65c888950c6"`
[INFO] [stdout] fb8cd9a48a334ae7fb7f9e54d20264c7456319dcba564dbcf9daf65c888950c6