[INFO] updating cached repository https://github.com/cheshyre/project-euler
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 16a3cc9e70b9199345ed3e1ce6064608fded0052
[INFO] testing cheshyre/project-euler against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcheshyre%2Fproject-euler" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cheshyre/project-euler on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/cheshyre/project-euler
[INFO] finished tweaking git repo https://github.com/cheshyre/project-euler
[INFO] tweaked toml for git repo https://github.com/cheshyre/project-euler written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/cheshyre/project-euler already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 51ee0b2bea1c3a85b98231d23735f3055b41676e3481b968b6c9cb23b6bd44bc
[INFO] running `"docker" "start" "-a" "51ee0b2bea1c3a85b98231d23735f3055b41676e3481b968b6c9cb23b6bd44bc"`
[INFO] [stderr]    Compiling project_euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `break_again`
[INFO] [stderr]  --> src/bin/p00004.rs:9:13
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let mut break_again = false;
[INFO] [stderr]   |             ^^^^^^^^^^^ help: consider prefixing with an underscore: `_break_again`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/bin/p00004.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let mut break_again = false;
[INFO] [stderr]   |         ----^^^^^^^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `"docker" "inspect" "51ee0b2bea1c3a85b98231d23735f3055b41676e3481b968b6c9cb23b6bd44bc"`
[INFO] running `"docker" "rm" "-f" "51ee0b2bea1c3a85b98231d23735f3055b41676e3481b968b6c9cb23b6bd44bc"`
[INFO] [stdout] 51ee0b2bea1c3a85b98231d23735f3055b41676e3481b968b6c9cb23b6bd44bc
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] fce00f11dcc9442334faa3b3a6eecf7d51f1cdc7f435b056f3bb8099cd5849fa
[INFO] running `"docker" "start" "-a" "fce00f11dcc9442334faa3b3a6eecf7d51f1cdc7f435b056f3bb8099cd5849fa"`
[INFO] [stderr]    Compiling project_euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `break_again`
[INFO] [stderr]  --> src/bin/p00004.rs:9:13
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let mut break_again = false;
[INFO] [stderr]   |             ^^^^^^^^^^^ help: consider prefixing with an underscore: `_break_again`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/bin/p00004.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let mut break_again = false;
[INFO] [stderr]   |         ----^^^^^^^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "fce00f11dcc9442334faa3b3a6eecf7d51f1cdc7f435b056f3bb8099cd5849fa"`
[INFO] running `"docker" "rm" "-f" "fce00f11dcc9442334faa3b3a6eecf7d51f1cdc7f435b056f3bb8099cd5849fa"`
[INFO] [stdout] fce00f11dcc9442334faa3b3a6eecf7d51f1cdc7f435b056f3bb8099cd5849fa
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 6b95e61efa63883fad6a68d375b0665b5e12b752c8fd13dac9841d5026712c85
[INFO] running `"docker" "start" "-a" "6b95e61efa63883fad6a68d375b0665b5e12b752c8fd13dac9841d5026712c85"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/p00001-fb91c4721b93d541
[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/rustwide/target/debug/deps/p00002-6eb885287efac37e
[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/rustwide/target/debug/deps/p00003-654edfe39f789f08
[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/rustwide/target/debug/deps/p00004-5cacf91299fcfe2f
[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/rustwide/target/debug/deps/p00005-ce3d2f82bf5f02e8
[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/rustwide/target/debug/deps/project_euler-0dd89157275b8b85
[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" "6b95e61efa63883fad6a68d375b0665b5e12b752c8fd13dac9841d5026712c85"`
[INFO] running `"docker" "rm" "-f" "6b95e61efa63883fad6a68d375b0665b5e12b752c8fd13dac9841d5026712c85"`
[INFO] [stdout] 6b95e61efa63883fad6a68d375b0665b5e12b752c8fd13dac9841d5026712c85