[INFO] updating cached repository azizunsal/rust_project_euler
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/azizunsal/rust_project_euler
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/azizunsal/rust_project_euler" "work/ex/beta-1.37-6/sources/1.36.0/gh/azizunsal/rust_project_euler"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/azizunsal/rust_project_euler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/azizunsal/rust_project_euler" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/azizunsal/rust_project_euler"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/azizunsal/rust_project_euler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f42276f3d6bcb3ef0a5c7bc5c20d18d9788fed66
[INFO] sha for GitHub repo azizunsal/rust_project_euler: f42276f3d6bcb3ef0a5c7bc5c20d18d9788fed66
[INFO] validating manifest of azizunsal/rust_project_euler 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 azizunsal/rust_project_euler 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 azizunsal/rust_project_euler
[INFO] finished frobbing azizunsal/rust_project_euler
[INFO] frobbed toml for azizunsal/rust_project_euler written to work/ex/beta-1.37-6/sources/1.36.0/gh/azizunsal/rust_project_euler/Cargo.toml
[INFO] started frobbing azizunsal/rust_project_euler
[INFO] finished frobbing azizunsal/rust_project_euler
[INFO] frobbed toml for azizunsal/rust_project_euler written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/azizunsal/rust_project_euler/Cargo.toml
[INFO] crate azizunsal/rust_project_euler 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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing azizunsal/rust_project_euler against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/azizunsal/rust_project_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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 0d695af24e371cababa51d2bc87d4a0894abf9cbc5df1a2543acee4b81cb635b
[INFO] running `"docker" "start" "-a" "0d695af24e371cababa51d2bc87d4a0894abf9cbc5df1a2543acee4b81cb635b"`
[INFO] [stderr]    Compiling rust_project_euler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.62s
[INFO] running `"docker" "inspect" "0d695af24e371cababa51d2bc87d4a0894abf9cbc5df1a2543acee4b81cb635b"`
[INFO] running `"docker" "rm" "-f" "0d695af24e371cababa51d2bc87d4a0894abf9cbc5df1a2543acee4b81cb635b"`
[INFO] [stdout] 0d695af24e371cababa51d2bc87d4a0894abf9cbc5df1a2543acee4b81cb635b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/azizunsal/rust_project_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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 746977dec92cdcb0e4901dcd56cc1bb390048a963ac2dee14ecfbd121aed4ad1
[INFO] running `"docker" "start" "-a" "746977dec92cdcb0e4901dcd56cc1bb390048a963ac2dee14ecfbd121aed4ad1"`
[INFO] [stderr]    Compiling rust_project_euler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.42s
[INFO] running `"docker" "inspect" "746977dec92cdcb0e4901dcd56cc1bb390048a963ac2dee14ecfbd121aed4ad1"`
[INFO] running `"docker" "rm" "-f" "746977dec92cdcb0e4901dcd56cc1bb390048a963ac2dee14ecfbd121aed4ad1"`
[INFO] [stdout] 746977dec92cdcb0e4901dcd56cc1bb390048a963ac2dee14ecfbd121aed4ad1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/azizunsal/rust_project_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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] e91abcd46f09d7e4634eddc4fdd570afa302cd8dc717409f691f04ec271d400c
[INFO] running `"docker" "start" "-a" "e91abcd46f09d7e4634eddc4fdd570afa302cd8dc717409f691f04ec271d400c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/p001-21767aa825628d0e
[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] [stderr]      Running /opt/crater/target/debug/deps/p002-dc7140a5534d3671
[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] [stderr]      Running /opt/crater/target/debug/deps/p004-cac42dfee47428a2
[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] [stderr]      Running /opt/crater/target/debug/deps/p005_brute_force-1a69e7e65eea0634
[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] [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] [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] [stderr]      Running /opt/crater/target/debug/deps/p006-450ee886efbe2046
[INFO] [stderr]      Running /opt/crater/target/debug/deps/p007-4b084e464f0de792
[INFO] running `"docker" "inspect" "e91abcd46f09d7e4634eddc4fdd570afa302cd8dc717409f691f04ec271d400c"`
[INFO] running `"docker" "rm" "-f" "e91abcd46f09d7e4634eddc4fdd570afa302cd8dc717409f691f04ec271d400c"`
[INFO] [stdout] e91abcd46f09d7e4634eddc4fdd570afa302cd8dc717409f691f04ec271d400c