[INFO] updating cached repository scottcarr/euler
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/scottcarr/euler
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/scottcarr/euler" "work/ex/beta-1.38-1/sources/1.37.0/gh/scottcarr/euler"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/scottcarr/euler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/scottcarr/euler" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/scottcarr/euler"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/scottcarr/euler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7083f8cb3e98037c7cd5356c55503e6daaae266f
[INFO] sha for GitHub repo scottcarr/euler: 7083f8cb3e98037c7cd5356c55503e6daaae266f
[INFO] validating manifest of scottcarr/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 scottcarr/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 scottcarr/euler
[INFO] finished frobbing scottcarr/euler
[INFO] frobbed toml for scottcarr/euler written to work/ex/beta-1.38-1/sources/1.37.0/gh/scottcarr/euler/Cargo.toml
[INFO] started frobbing scottcarr/euler
[INFO] finished frobbing scottcarr/euler
[INFO] frobbed toml for scottcarr/euler written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/scottcarr/euler/Cargo.toml
[INFO] crate scottcarr/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 scottcarr/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-5/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/scottcarr/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] cc005bfb994c6734048aaabb3176f73b5239a859aa15a4887fe51b18fe16df5a
[INFO] running `"docker" "start" "-a" "cc005bfb994c6734048aaabb3176f73b5239a859aa15a4887fe51b18fe16df5a"`
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `print`
[INFO] [stderr]    --> src/main.rs:588:5
[INFO] [stderr]     |
[INFO] [stderr] 588 |     fn print(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `"docker" "inspect" "cc005bfb994c6734048aaabb3176f73b5239a859aa15a4887fe51b18fe16df5a"`
[INFO] running `"docker" "rm" "-f" "cc005bfb994c6734048aaabb3176f73b5239a859aa15a4887fe51b18fe16df5a"`
[INFO] [stdout] cc005bfb994c6734048aaabb3176f73b5239a859aa15a4887fe51b18fe16df5a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/scottcarr/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] 2a7574425320d8ac8a397309e61795de559ee86809b7d2c6459ad0aff82478db
[INFO] running `"docker" "start" "-a" "2a7574425320d8ac8a397309e61795de559ee86809b7d2c6459ad0aff82478db"`
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `print`
[INFO] [stderr]    --> src/main.rs:588:5
[INFO] [stderr]     |
[INFO] [stderr] 588 |     fn print(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `"docker" "inspect" "2a7574425320d8ac8a397309e61795de559ee86809b7d2c6459ad0aff82478db"`
[INFO] running `"docker" "rm" "-f" "2a7574425320d8ac8a397309e61795de559ee86809b7d2c6459ad0aff82478db"`
[INFO] [stdout] 2a7574425320d8ac8a397309e61795de559ee86809b7d2c6459ad0aff82478db
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/scottcarr/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] f4e091d31182c62f0a367bb9ad013ae0029b44569d684f9cc92d0c9c7c815366
[INFO] running `"docker" "start" "-a" "f4e091d31182c62f0a367bb9ad013ae0029b44569d684f9cc92d0c9c7c815366"`
[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" "f4e091d31182c62f0a367bb9ad013ae0029b44569d684f9cc92d0c9c7c815366"`
[INFO] running `"docker" "rm" "-f" "f4e091d31182c62f0a367bb9ad013ae0029b44569d684f9cc92d0c9c7c815366"`
[INFO] [stdout] f4e091d31182c62f0a367bb9ad013ae0029b44569d684f9cc92d0c9c7c815366