[INFO] updating cached repository https://github.com/arirahikkala/donationcount
[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] 399e4bbe792815888f92826c7e1238a29c39c4bd
[INFO] testing arirahikkala/donationcount against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Farirahikkala%2Fdonationcount" "work/builds/worker-9/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arirahikkala/donationcount on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/arirahikkala/donationcount
[INFO] finished tweaking git repo https://github.com/arirahikkala/donationcount
[INFO] tweaked toml for git repo https://github.com/arirahikkala/donationcount written to work/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/arirahikkala/donationcount already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-9/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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] ca5dc786378b17a775079b0cb8937101d83cff569aab1f0fd1b50bcec0a8c2c8
[INFO] running `"docker" "start" "-a" "ca5dc786378b17a775079b0cb8937101d83cff569aab1f0fd1b50bcec0a8c2c8"`
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling donationcount v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:35:18
[INFO] [stderr]    |
[INFO] [stderr] 35 |             let (mut small, mut large) = if aas.len() > bbs.len() { (bbs, aas) } else { (aas, bbs) };
[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 6.60s
[INFO] running `"docker" "inspect" "ca5dc786378b17a775079b0cb8937101d83cff569aab1f0fd1b50bcec0a8c2c8"`
[INFO] running `"docker" "rm" "-f" "ca5dc786378b17a775079b0cb8937101d83cff569aab1f0fd1b50bcec0a8c2c8"`
[INFO] [stdout] ca5dc786378b17a775079b0cb8937101d83cff569aab1f0fd1b50bcec0a8c2c8
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-9/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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 16adf5ae24e8812737482a1b2b07919577821e41bacd4708a839ec9f3e1cbb71
[INFO] running `"docker" "start" "-a" "16adf5ae24e8812737482a1b2b07919577821e41bacd4708a839ec9f3e1cbb71"`
[INFO] [stderr]    Compiling donationcount v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:35:18
[INFO] [stderr]    |
[INFO] [stderr] 35 |             let (mut small, mut large) = if aas.len() > bbs.len() { (bbs, aas) } else { (aas, bbs) };
[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 0.73s
[INFO] running `"docker" "inspect" "16adf5ae24e8812737482a1b2b07919577821e41bacd4708a839ec9f3e1cbb71"`
[INFO] running `"docker" "rm" "-f" "16adf5ae24e8812737482a1b2b07919577821e41bacd4708a839ec9f3e1cbb71"`
[INFO] [stdout] 16adf5ae24e8812737482a1b2b07919577821e41bacd4708a839ec9f3e1cbb71
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-9/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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] b09f2a1308605b70f4cefaa000e4e0f947ef0d25abc5b736170c2df82b0530a1
[INFO] running `"docker" "start" "-a" "b09f2a1308605b70f4cefaa000e4e0f947ef0d25abc5b736170c2df82b0530a1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/donationcount-3edd851408b52afe
[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" "b09f2a1308605b70f4cefaa000e4e0f947ef0d25abc5b736170c2df82b0530a1"`
[INFO] running `"docker" "rm" "-f" "b09f2a1308605b70f4cefaa000e4e0f947ef0d25abc5b736170c2df82b0530a1"`
[INFO] [stdout] b09f2a1308605b70f4cefaa000e4e0f947ef0d25abc5b736170c2df82b0530a1