[INFO] crate prev-iter 0.1.2 is already in cache [INFO] testing prev-iter-0.1.2 against beta-2019-09-28 for beta-1.39-1 [INFO] extracting crate prev-iter 0.1.2 into work/builds/worker-9/source [INFO] validating manifest of crates.io crate prev-iter 0.1.2 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 crates.io crate prev-iter 0.1.2 [INFO] finished tweaking crates.io crate prev-iter 0.1.2 [INFO] tweaked toml for crates.io crate prev-iter 0.1.2 written to work/builds/worker-9/source/Cargo.toml [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [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] 4f94c63e6b60bce502369a8300a15ce613cf33b261b781986e1792ebbb52ed3a [INFO] running `"docker" "start" "-a" "4f94c63e6b60bce502369a8300a15ce613cf33b261b781986e1792ebbb52ed3a"` [INFO] [stderr] Compiling prev-iter v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.21s [INFO] running `"docker" "inspect" "4f94c63e6b60bce502369a8300a15ce613cf33b261b781986e1792ebbb52ed3a"` [INFO] running `"docker" "rm" "-f" "4f94c63e6b60bce502369a8300a15ce613cf33b261b781986e1792ebbb52ed3a"` [INFO] [stdout] 4f94c63e6b60bce502369a8300a15ce613cf33b261b781986e1792ebbb52ed3a [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] 4fa40baa8b556882190ce99a11e38dfa382d59246dbd3b9db41c79831c7f7b81 [INFO] running `"docker" "start" "-a" "4fa40baa8b556882190ce99a11e38dfa382d59246dbd3b9db41c79831c7f7b81"` [INFO] [stderr] Compiling prev-iter v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.16s [INFO] running `"docker" "inspect" "4fa40baa8b556882190ce99a11e38dfa382d59246dbd3b9db41c79831c7f7b81"` [INFO] running `"docker" "rm" "-f" "4fa40baa8b556882190ce99a11e38dfa382d59246dbd3b9db41c79831c7f7b81"` [INFO] [stdout] 4fa40baa8b556882190ce99a11e38dfa382d59246dbd3b9db41c79831c7f7b81 [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] 8ba0af0e586c64c8cf59ff53957288d74ba42152f09b39018954013b15fe10fd [INFO] running `"docker" "start" "-a" "8ba0af0e586c64c8cf59ff53957288d74ba42152f09b39018954013b15fe10fd"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/prev_iter-1326c95f72150d6c [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test tests::test_next ... ok [INFO] [stdout] test tests::test_prev_peek ... ok [INFO] [stdout] test tests::test_peek ... ok [INFO] [stdout] test tests::test_prev ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests prev-iter [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test src/lib.rs - PrevPeekable::peek (line 76) ... ok [INFO] [stdout] test src/lib.rs - PrevPeekable::new (line 41) ... ok [INFO] [stdout] test src/lib.rs - PrevPeekable::prev_peek (line 148) ... ok [INFO] [stdout] test src/lib.rs - PrevPeekable::prev (line 110) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "8ba0af0e586c64c8cf59ff53957288d74ba42152f09b39018954013b15fe10fd"` [INFO] running `"docker" "rm" "-f" "8ba0af0e586c64c8cf59ff53957288d74ba42152f09b39018954013b15fe10fd"` [INFO] [stdout] 8ba0af0e586c64c8cf59ff53957288d74ba42152f09b39018954013b15fe10fd