[INFO] updating cached repository https://github.com/lowks/gettingrusty
[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] 6c793a1888c8b5ef702b8ea63e1e91c9084c7e9a
[INFO] testing lowks/gettingrusty against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Flowks%2Fgettingrusty" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lowks/gettingrusty 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/lowks/gettingrusty
[INFO] finished tweaking git repo https://github.com/lowks/gettingrusty
[INFO] tweaked toml for git repo https://github.com/lowks/gettingrusty written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/lowks/gettingrusty 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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] 83b918ec5ab6b33a7426e339056c08c9d71d912ca8921d5f6ce52934a5f07b09
[INFO] running `"docker" "start" "-a" "83b918ec5ab6b33a7426e339056c08c9d71d912ca8921d5f6ce52934a5f07b09"`
[INFO] [stderr]    Compiling gettingrusty v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]   --> src/semicolons.rs:13:7
[INFO] [stderr]    |
[INFO] [stderr] 13 |             2 * m;
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "83b918ec5ab6b33a7426e339056c08c9d71d912ca8921d5f6ce52934a5f07b09"`
[INFO] running `"docker" "rm" "-f" "83b918ec5ab6b33a7426e339056c08c9d71d912ca8921d5f6ce52934a5f07b09"`
[INFO] [stdout] 83b918ec5ab6b33a7426e339056c08c9d71d912ca8921d5f6ce52934a5f07b09
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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] 3f833715f7ff8b37a4404c9309f4f8c762336c339c9c72cd783085e89b1b1143
[INFO] running `"docker" "start" "-a" "3f833715f7ff8b37a4404c9309f4f8c762336c339c9c72cd783085e89b1b1143"`
[INFO] [stderr]    Compiling gettingrusty v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]   --> src/semicolons.rs:13:7
[INFO] [stderr]    |
[INFO] [stderr] 13 |             2 * m;
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "3f833715f7ff8b37a4404c9309f4f8c762336c339c9c72cd783085e89b1b1143"`
[INFO] running `"docker" "rm" "-f" "3f833715f7ff8b37a4404c9309f4f8c762336c339c9c72cd783085e89b1b1143"`
[INFO] [stdout] 3f833715f7ff8b37a4404c9309f4f8c762336c339c9c72cd783085e89b1b1143
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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] 5156dbb0d22c1e0d6683ed5bf9c16c45b30a417efabcd58ded83fde2529c9223
[INFO] running `"docker" "start" "-a" "5156dbb0d22c1e0d6683ed5bf9c16c45b30a417efabcd58ded83fde2529c9223"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gettingrusty-4006bc44d68cf45a
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test conditionals::test_conditionals ... ok
[INFO] [stdout] test functional::test_functional ... ok
[INFO] [stdout] test guard_clause::test_pattern_m ... ok
[INFO] [stdout] test matching::test_matching ... ok
[INFO] [stdout] test pattern_match::test_pattern_m ... ok
[INFO] [stdout] test semicolons::test_expr ... ok
[INFO] [stdout] test string::test_push_string ... ok
[INFO] [stdout] test string::test_replace ... ok
[INFO] [stdout] test string::test_string_capacity ... ok
[INFO] [stdout] test string::test_truncate ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5156dbb0d22c1e0d6683ed5bf9c16c45b30a417efabcd58ded83fde2529c9223"`
[INFO] running `"docker" "rm" "-f" "5156dbb0d22c1e0d6683ed5bf9c16c45b30a417efabcd58ded83fde2529c9223"`
[INFO] [stdout] 5156dbb0d22c1e0d6683ed5bf9c16c45b30a417efabcd58ded83fde2529c9223