[INFO] updating cached repository root-parallax/perceptrons-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/root-parallax/perceptrons-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/root-parallax/perceptrons-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/root-parallax/perceptrons-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/root-parallax/perceptrons-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/root-parallax/perceptrons-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/root-parallax/perceptrons-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/root-parallax/perceptrons-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 90175cd3abe2e78b8e21ff1152bb9bc75c7754ed
[INFO] sha for GitHub repo root-parallax/perceptrons-rust: 90175cd3abe2e78b8e21ff1152bb9bc75c7754ed
[INFO] validating manifest of root-parallax/perceptrons-rust 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 root-parallax/perceptrons-rust 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 root-parallax/perceptrons-rust
[INFO] finished frobbing root-parallax/perceptrons-rust
[INFO] frobbed toml for root-parallax/perceptrons-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/root-parallax/perceptrons-rust/Cargo.toml
[INFO] started frobbing root-parallax/perceptrons-rust
[INFO] finished frobbing root-parallax/perceptrons-rust
[INFO] frobbed toml for root-parallax/perceptrons-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/root-parallax/perceptrons-rust/Cargo.toml
[INFO] crate root-parallax/perceptrons-rust 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 root-parallax/perceptrons-rust 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/root-parallax/perceptrons-rust:/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] e218af96b552992f849cb0394cf17a668ced4c5c60142f49751a37684c87bbf4
[INFO] running `"docker" "start" "-a" "e218af96b552992f849cb0394cf17a668ced4c5c60142f49751a37684c87bbf4"`
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling perceptrons v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.37s
[INFO] running `"docker" "inspect" "e218af96b552992f849cb0394cf17a668ced4c5c60142f49751a37684c87bbf4"`
[INFO] running `"docker" "rm" "-f" "e218af96b552992f849cb0394cf17a668ced4c5c60142f49751a37684c87bbf4"`
[INFO] [stdout] e218af96b552992f849cb0394cf17a668ced4c5c60142f49751a37684c87bbf4
[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/root-parallax/perceptrons-rust:/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] 71af3d9e84dd051668280995b9745e729c97747fdcc48aa60b84eced8edbe081
[INFO] running `"docker" "start" "-a" "71af3d9e84dd051668280995b9745e729c97747fdcc48aa60b84eced8edbe081"`
[INFO] [stderr]    Compiling perceptrons v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "71af3d9e84dd051668280995b9745e729c97747fdcc48aa60b84eced8edbe081"`
[INFO] running `"docker" "rm" "-f" "71af3d9e84dd051668280995b9745e729c97747fdcc48aa60b84eced8edbe081"`
[INFO] [stdout] 71af3d9e84dd051668280995b9745e729c97747fdcc48aa60b84eced8edbe081
[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/root-parallax/perceptrons-rust:/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] 047b2ed33b25018fa15f614aa847d7ac0f316888794599b56794cea7fa72fbca
[INFO] running `"docker" "start" "-a" "047b2ed33b25018fa15f614aa847d7ac0f316888794599b56794cea7fa72fbca"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/perceptrons-302d661ba0de2628
[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" "047b2ed33b25018fa15f614aa847d7ac0f316888794599b56794cea7fa72fbca"`
[INFO] running `"docker" "rm" "-f" "047b2ed33b25018fa15f614aa847d7ac0f316888794599b56794cea7fa72fbca"`
[INFO] [stdout] 047b2ed33b25018fa15f614aa847d7ac0f316888794599b56794cea7fa72fbca