[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-1.38-1/sources/1.37.0/gh/azizunsal/rust_project_euler"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/azizunsal/rust_project_euler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/azizunsal/rust_project_euler" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/azizunsal/rust_project_euler"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of azizunsal/rust_project_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 azizunsal/rust_project_euler
[INFO] finished frobbing azizunsal/rust_project_euler
[INFO] frobbed toml for azizunsal/rust_project_euler written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 azizunsal/rust_project_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-4/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/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 31fee6234daa4a8fefe8ec9b28ce5a586629d5b267936a538a5bd9c0d47c209c
[INFO] running `"docker" "start" "-a" "31fee6234daa4a8fefe8ec9b28ce5a586629d5b267936a538a5bd9c0d47c209c"`
[INFO] [stderr]    Compiling rust_project_euler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.10s
[INFO] running `"docker" "inspect" "31fee6234daa4a8fefe8ec9b28ce5a586629d5b267936a538a5bd9c0d47c209c"`
[INFO] running `"docker" "rm" "-f" "31fee6234daa4a8fefe8ec9b28ce5a586629d5b267936a538a5bd9c0d47c209c"`
[INFO] [stdout] 31fee6234daa4a8fefe8ec9b28ce5a586629d5b267936a538a5bd9c0d47c209c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 60ee3d1a44c83f5ec4a950aab582ff36132030ea13bf85d744a035a7485a33d4
[INFO] running `"docker" "start" "-a" "60ee3d1a44c83f5ec4a950aab582ff36132030ea13bf85d744a035a7485a33d4"`
[INFO] [stderr]    Compiling rust_project_euler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `"docker" "inspect" "60ee3d1a44c83f5ec4a950aab582ff36132030ea13bf85d744a035a7485a33d4"`
[INFO] running `"docker" "rm" "-f" "60ee3d1a44c83f5ec4a950aab582ff36132030ea13bf85d744a035a7485a33d4"`
[INFO] [stdout] 60ee3d1a44c83f5ec4a950aab582ff36132030ea13bf85d744a035a7485a33d4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] e510c31b3592ccf41d0ef97a8618f479a164ae2d2d903ebf9972a4aaf6daf16e
[INFO] running `"docker" "start" "-a" "e510c31b3592ccf41d0ef97a8618f479a164ae2d2d903ebf9972a4aaf6daf16e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/p001-f6577cc78d0ea0f8
[INFO] [stderr]      Running /opt/crater/target/debug/deps/p002-ec4e9334f4856696
[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/p004-576c76ec293ba771
[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-8706c73472038b9e
[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/p006-726447da33c0886b
[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/p007-fd8b602a590738b6
[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" "e510c31b3592ccf41d0ef97a8618f479a164ae2d2d903ebf9972a4aaf6daf16e"`
[INFO] running `"docker" "rm" "-f" "e510c31b3592ccf41d0ef97a8618f479a164ae2d2d903ebf9972a4aaf6daf16e"`
[INFO] [stdout] e510c31b3592ccf41d0ef97a8618f479a164ae2d2d903ebf9972a4aaf6daf16e