[INFO] fetching crate peekmore 0.5.1...
[INFO] testing peekmore-0.5.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate peekmore 0.5.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate peekmore 0.5.1 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate peekmore 0.5.1
[INFO] finished tweaking crates.io crate peekmore 0.5.1
[INFO] tweaked toml for crates.io crate peekmore 0.5.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c862b8b1a797792230ff5989f165a29209b9e7a6f622ad36c17113fef065b756
[INFO] running `"docker" "start" "-a" "c862b8b1a797792230ff5989f165a29209b9e7a6f622ad36c17113fef065b756"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling peekmore v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `"docker" "inspect" "c862b8b1a797792230ff5989f165a29209b9e7a6f622ad36c17113fef065b756"`
[INFO] running `"docker" "rm" "-f" "c862b8b1a797792230ff5989f165a29209b9e7a6f622ad36c17113fef065b756"`
[INFO] [stdout] c862b8b1a797792230ff5989f165a29209b9e7a6f622ad36c17113fef065b756
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c1c7667152526b8dc1ebecccae90d7af324863607df85e0be6a45b4f4391b5d1
[INFO] running `"docker" "start" "-a" "c1c7667152526b8dc1ebecccae90d7af324863607df85e0be6a45b4f4391b5d1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling peekmore v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `"docker" "inspect" "c1c7667152526b8dc1ebecccae90d7af324863607df85e0be6a45b4f4391b5d1"`
[INFO] running `"docker" "rm" "-f" "c1c7667152526b8dc1ebecccae90d7af324863607df85e0be6a45b4f4391b5d1"`
[INFO] [stdout] c1c7667152526b8dc1ebecccae90d7af324863607df85e0be6a45b4f4391b5d1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e0ce4253677928ac8c442c4d18ea7817e01574408028aee571edea9ec9b1edfc
[INFO] running `"docker" "start" "-a" "e0ce4253677928ac8c442c4d18ea7817e01574408028aee571edea9ec9b1edfc"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/peekmore-0f455541c865bf1f
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test tests::check_move_backward ... ok
[INFO] [stdout] test tests::check_advance_chain ... ok
[INFO] [stdout] test tests::check_advance_separately ... ok
[INFO] [stdout] test tests::check_move_backward_or_reset_beyond_consumed_verify_cursor_position ... ok
[INFO] [stdout] test tests::check_move_backward_or_reset_empty ... ok
[INFO] [stdout] test tests::check_move_backward_beyond_consumed_verify_cursor_position ... ok
[INFO] [stdout] test tests::check_move_forward_while_some ... ok
[INFO] [stdout] test tests::check_move_forward_while ... ok
[INFO] [stdout] test tests::check_move_forward_while_empty ... ok
[INFO] [stdout] test tests::check_move_backward_or_reset ... ok
[INFO] [stdout] test tests::check_move_forward ... ok
[INFO] [stdout] test tests::check_peek_forward ... ok
[INFO] [stdout] test tests::check_peek_backward ... ok
[INFO] [stdout] test tests::check_move_previous ... ok
[INFO] [stdout] test tests::check_peek_backward_beyond_consumed_verify_cursor_position ... ok
[INFO] [stdout] test tests::check_move_nth_empty ... ok
[INFO] [stdout] test tests::check_peek_backward_or_first_empty ... ok
[INFO] [stdout] test tests::check_move_nth ... ok
[INFO] [stdout] test tests::check_peek_backward_or_first_beyond_consumed_verify_cursor_position ... ok
[INFO] [stdout] test tests::peek_forward_with_reassignment ... ok
[INFO] [stdout] test tests::peek_forward_without_reassignment_advance_and_peek_combined ... ok
[INFO] [stdout] test tests::peek_forward_without_reassignment_separately_advance_and_peek ... ok
[INFO] [stdout] test tests::peek_previous ... ok
[INFO] [stdout] test tests::readme_example ... ok
[INFO] [stdout] test tests::check_peek_nth_empty ... ok
[INFO] [stdout] test tests::empty ... ok
[INFO] [stdout] test tests::check_peek_window_moves_with_consume ... ok
[INFO] [stdout] test tests::test_with_consume ... ok
[INFO] [stdout] test tests::peek_previous_beyond_none ... ok
[INFO] [stdout] test tests::test_with_inherited_feature_count ... ok
[INFO] [stdout] test tests::check_peek_nth ... ok
[INFO] [stdout] test tests::peek_forward_without_reassignment_advance_and_peek_combined_and_reset_view ... ok
[INFO] [stdout] test tests::test_with_consume_and_reset ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 33 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests peekmore
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - PeekMoreIterator<I>::peek (line 229) ... ok
[INFO] [stdout] test src/lib.rs - PeekMoreIterator<I>::peek (line 191) ... ok
[INFO] [stdout] test src/lib.rs - PeekMoreIterator<I>::peek (line 251) ... ok
[INFO] [stdout] test src/lib.rs - PeekMoreIterator<I>::peek (line 278) ... ok
[INFO] [stdout] test src/lib.rs - PeekMoreIterator<I>::peek (line 335) ... ok
[INFO] [stdout] test src/lib.rs - PeekMoreIterator<I>::peek (line 209) ... ok
[INFO] [stdout] test src/lib.rs -  (line 31) ... ok
[INFO] [stdout] test src/lib.rs - PeekMoreIterator<I>::peek (line 302) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e0ce4253677928ac8c442c4d18ea7817e01574408028aee571edea9ec9b1edfc"`
[INFO] running `"docker" "rm" "-f" "e0ce4253677928ac8c442c4d18ea7817e01574408028aee571edea9ec9b1edfc"`
[INFO] [stdout] e0ce4253677928ac8c442c4d18ea7817e01574408028aee571edea9ec9b1edfc