[INFO] fetching crate peekmore 0.5.1...
[INFO] testing peekmore-0.5.1 against 1.44.0 for beta-1.45-1
[INFO] extracting crate peekmore 0.5.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate peekmore 0.5.1 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.44.0" "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] f181961f09efff408e5cb5fa18f2d8973be3c204c371bd2fcc83d0196a2a427d
[INFO] running `"docker" "start" "-a" "f181961f09efff408e5cb5fa18f2d8973be3c204c371bd2fcc83d0196a2a427d"`
[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" "f181961f09efff408e5cb5fa18f2d8973be3c204c371bd2fcc83d0196a2a427d"`
[INFO] running `"docker" "rm" "-f" "f181961f09efff408e5cb5fa18f2d8973be3c204c371bd2fcc83d0196a2a427d"`
[INFO] [stdout] f181961f09efff408e5cb5fa18f2d8973be3c204c371bd2fcc83d0196a2a427d
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.44.0" "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] 2e4ea78bdcbad5a730000a264062d8f200ed980d9fd91adf61c7877345fd6abe
[INFO] running `"docker" "start" "-a" "2e4ea78bdcbad5a730000a264062d8f200ed980d9fd91adf61c7877345fd6abe"`
[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 1.89s
[INFO] running `"docker" "inspect" "2e4ea78bdcbad5a730000a264062d8f200ed980d9fd91adf61c7877345fd6abe"`
[INFO] running `"docker" "rm" "-f" "2e4ea78bdcbad5a730000a264062d8f200ed980d9fd91adf61c7877345fd6abe"`
[INFO] [stdout] 2e4ea78bdcbad5a730000a264062d8f200ed980d9fd91adf61c7877345fd6abe
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.44.0" "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] 9d1740eca2b14a648f60eb13c15e0ab5ea240f2490cece39a7d8350e84a7925d
[INFO] running `"docker" "start" "-a" "9d1740eca2b14a648f60eb13c15e0ab5ea240f2490cece39a7d8350e84a7925d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/peekmore-74a487e96f044ea6
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test tests::check_move_nth ... ok
[INFO] [stdout] test tests::check_advance_chain ... ok
[INFO] [stdout] test tests::check_move_backward_or_reset_empty ... ok
[INFO] [stdout] test tests::check_move_forward_while ... ok
[INFO] [stdout] test tests::check_move_previous ... ok
[INFO] [stdout] test tests::check_move_backward_beyond_consumed_verify_cursor_position ... ok
[INFO] [stdout] test tests::check_move_forward_while_empty ... ok
[INFO] [stdout] test tests::check_move_backward_or_reset_beyond_consumed_verify_cursor_position ... ok
[INFO] [stdout] test tests::check_move_nth_empty ... ok
[INFO] [stdout] test tests::check_move_forward_while_some ... ok
[INFO] [stdout] test tests::check_move_backward_or_reset ... ok
[INFO] [stdout] test tests::check_peek_backward_or_first_empty ... ok
[INFO] [stdout] test tests::check_peek_forward ... ok
[INFO] [stdout] test tests::check_peek_backward ... ok
[INFO] [stdout] test tests::check_advance_separately ... 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::check_move_backward ... ok
[INFO] [stdout] test tests::check_peek_nth ... ok
[INFO] [stdout] test tests::readme_example ... ok
[INFO] [stdout] test tests::peek_forward_without_reassignment_advance_and_peek_combined_and_reset_view ... ok
[INFO] [stdout] test tests::peek_previous ... ok
[INFO] [stdout] test tests::check_move_forward ... ok
[INFO] [stdout] test tests::check_peek_backward_beyond_consumed_verify_cursor_position ... 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::empty ... ok
[INFO] [stdout] test tests::check_peek_window_moves_with_consume ... ok
[INFO] [stdout] test tests::peek_previous_beyond_none ... ok
[INFO] [stdout] test tests::check_peek_nth_empty ... ok
[INFO] [stdout] test tests::test_with_consume_and_reset ... ok
[INFO] [stdout] test tests::test_with_inherited_feature_count ... ok
[INFO] [stdout] test tests::test_with_consume ... 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 191) ... ok
[INFO] [stdout] test src/lib.rs - PeekMoreIterator<I>::peek (line 229) ... ok
[INFO] [stdout] test src/lib.rs - PeekMoreIterator<I>::peek (line 209) ... 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 302) ... ok
[INFO] [stdout] test src/lib.rs - PeekMoreIterator<I>::peek (line 335) ... ok
[INFO] [stdout] test src/lib.rs -  (line 31) ... 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" "9d1740eca2b14a648f60eb13c15e0ab5ea240f2490cece39a7d8350e84a7925d"`
[INFO] running `"docker" "rm" "-f" "9d1740eca2b14a648f60eb13c15e0ab5ea240f2490cece39a7d8350e84a7925d"`
[INFO] [stdout] 9d1740eca2b14a648f60eb13c15e0ab5ea240f2490cece39a7d8350e84a7925d