[INFO] updating cached repository dragozov/rusty_euler
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dragozov/rusty_euler
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dragozov/rusty_euler" "work/ex/beta-1.38-1/sources/1.37.0/gh/dragozov/rusty_euler"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/dragozov/rusty_euler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dragozov/rusty_euler" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dragozov/rusty_euler"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dragozov/rusty_euler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aaa80a09ca7c22f192f221bd2f8a44f7a33d93fc
[INFO] sha for GitHub repo dragozov/rusty_euler: aaa80a09ca7c22f192f221bd2f8a44f7a33d93fc
[INFO] validating manifest of dragozov/rusty_euler 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 dragozov/rusty_euler 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 dragozov/rusty_euler
[INFO] finished frobbing dragozov/rusty_euler
[INFO] frobbed toml for dragozov/rusty_euler written to work/ex/beta-1.38-1/sources/1.37.0/gh/dragozov/rusty_euler/Cargo.toml
[INFO] started frobbing dragozov/rusty_euler
[INFO] finished frobbing dragozov/rusty_euler
[INFO] frobbed toml for dragozov/rusty_euler written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dragozov/rusty_euler/Cargo.toml
[INFO] crate dragozov/rusty_euler 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 dragozov/rusty_euler against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dragozov/rusty_euler:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] ac0355a1e74863dd51e797d389a9db20e76001ab1e41cb181461fd5b4fad7a7d
[INFO] running `"docker" "start" "-a" "ac0355a1e74863dd51e797d389a9db20e76001ab1e41cb181461fd5b4fad7a7d"`
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "ac0355a1e74863dd51e797d389a9db20e76001ab1e41cb181461fd5b4fad7a7d"`
[INFO] running `"docker" "rm" "-f" "ac0355a1e74863dd51e797d389a9db20e76001ab1e41cb181461fd5b4fad7a7d"`
[INFO] [stdout] ac0355a1e74863dd51e797d389a9db20e76001ab1e41cb181461fd5b4fad7a7d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dragozov/rusty_euler:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] d5e81cec0251253cbe629353b98e1164b0fafc8d849ee3ad9d41a32ef138008c
[INFO] running `"docker" "start" "-a" "d5e81cec0251253cbe629353b98e1164b0fafc8d849ee3ad9d41a32ef138008c"`
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "d5e81cec0251253cbe629353b98e1164b0fafc8d849ee3ad9d41a32ef138008c"`
[INFO] running `"docker" "rm" "-f" "d5e81cec0251253cbe629353b98e1164b0fafc8d849ee3ad9d41a32ef138008c"`
[INFO] [stdout] d5e81cec0251253cbe629353b98e1164b0fafc8d849ee3ad9d41a32ef138008c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dragozov/rusty_euler:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 57a7b86333e54fa930b1ce776efec81db4f2376aacb19a6580863b28f5c6936d
[INFO] running `"docker" "start" "-a" "57a7b86333e54fa930b1ce776efec81db4f2376aacb19a6580863b28f5c6936d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/euler-8085f02b08219672
[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" "57a7b86333e54fa930b1ce776efec81db4f2376aacb19a6580863b28f5c6936d"`
[INFO] running `"docker" "rm" "-f" "57a7b86333e54fa930b1ce776efec81db4f2376aacb19a6580863b28f5c6936d"`
[INFO] [stdout] 57a7b86333e54fa930b1ce776efec81db4f2376aacb19a6580863b28f5c6936d