[INFO] fetching crate peekmore 1.0.0...
[INFO] testing peekmore-1.0.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate peekmore 1.0.0 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate peekmore 1.0.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate peekmore 1.0.0
[INFO] finished tweaking crates.io crate peekmore 1.0.0
[INFO] tweaked toml for crates.io crate peekmore 1.0.0 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf9315b6a63a9e49b7d95f789e18d13865c8b06187e19d2eec1731a454669c3a
[INFO] running `Command { std: "docker" "start" "-a" "cf9315b6a63a9e49b7d95f789e18d13865c8b06187e19d2eec1731a454669c3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf9315b6a63a9e49b7d95f789e18d13865c8b06187e19d2eec1731a454669c3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf9315b6a63a9e49b7d95f789e18d13865c8b06187e19d2eec1731a454669c3a", kill_on_drop: false }`
[INFO] [stdout] cf9315b6a63a9e49b7d95f789e18d13865c8b06187e19d2eec1731a454669c3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad91bb177fb13a38c660b1cce3aed46826b1ad2122d8a5c8206de1034eb38723
[INFO] running `Command { std: "docker" "start" "-a" "ad91bb177fb13a38c660b1cce3aed46826b1ad2122d8a5c8206de1034eb38723", kill_on_drop: false }`
[INFO] [stderr]    Compiling peekmore v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "ad91bb177fb13a38c660b1cce3aed46826b1ad2122d8a5c8206de1034eb38723", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad91bb177fb13a38c660b1cce3aed46826b1ad2122d8a5c8206de1034eb38723", kill_on_drop: false }`
[INFO] [stdout] ad91bb177fb13a38c660b1cce3aed46826b1ad2122d8a5c8206de1034eb38723
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db0d07f024e76c28e31a158eee8a7fd1f018d498fd53bd208ac7a6ac796d22b7
[INFO] running `Command { std: "docker" "start" "-a" "db0d07f024e76c28e31a158eee8a7fd1f018d498fd53bd208ac7a6ac796d22b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling serde_json v1.0.71
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling peekmore v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 23.42s
[INFO] running `Command { std: "docker" "inspect" "db0d07f024e76c28e31a158eee8a7fd1f018d498fd53bd208ac7a6ac796d22b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db0d07f024e76c28e31a158eee8a7fd1f018d498fd53bd208ac7a6ac796d22b7", kill_on_drop: false }`
[INFO] [stdout] db0d07f024e76c28e31a158eee8a7fd1f018d498fd53bd208ac7a6ac796d22b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0d5dd5276c43bd29fc723666425d518a04cf559caa145902a8fb6ba2ef5386e3
[INFO] running `Command { std: "docker" "start" "-a" "0d5dd5276c43bd29fc723666425d518a04cf559caa145902a8fb6ba2ef5386e3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/peekmore-f694bab79b820b1c)
[INFO] [stdout] 
[INFO] [stdout] running 54 tests
[INFO] [stdout] test tests::check_advance_chain ... ok
[INFO] [stdout] test tests::check_advance_separately ... ok
[INFO] [stdout] test tests::check_move_backward ... ok
[INFO] [stdout] test tests::check_move_backward_beyond_consumed_verify_cursor_position ... ok
[INFO] [stdout] test tests::check_move_backward_or_reset ... 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_forward ... 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_forward_while_some ... ok
[INFO] [stdout] test tests::check_move_nth ... ok
[INFO] [stdout] test tests::check_move_nth_empty ... ok
[INFO] [stdout] test tests::check_move_previous ... ok
[INFO] [stdout] test tests::check_peek_backward ... ok
[INFO] [stdout] test tests::check_peek_backward_beyond_consumed_verify_cursor_position ... ok
[INFO] [stdout] test tests::check_peek_backward_or_first_beyond_consumed_verify_cursor_position ... 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_nth ... ok
[INFO] [stdout] test tests::check_peek_nth_empty ... ok
[INFO] [stdout] test tests::check_peek_window_moves_with_consume ... ok
[INFO] [stdout] test tests::empty ... ok
[INFO] [stdout] test tests::peek_amount_empty ... ok
[INFO] [stdout] test tests::peek_amount_from_start_bigger_than_input_len ... ok
[INFO] [stdout] test tests::peek_amount_from_start_eq_to_input_len ... ok
[INFO] [stdout] test tests::peek_amount_from_start_smaller_than_input_len ... ok
[INFO] [stdout] test tests::peek_amount_match ... ok
[INFO] [stdout] test tests::peek_amount_renewed_view ... ok
[INFO] [stdout] test tests::peek_amount_zero ... 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_advance_and_peek_combined_and_reset_view ... 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::peek_previous_beyond_none ... ok
[INFO] [stdout] test tests::peek_range_empty ... ok
[INFO] [stdout] test tests::peek_range_from_middle ... ok
[INFO] [stdout] test tests::peek_range_from_start_bigger_than_input_len ... ok
[INFO] [stdout] test tests::peek_range_from_start_eq_to_input_len ... ok
[INFO] [stdout] test tests::peek_range_from_start_smaller_than_input_len ... ok
[INFO] [stdout] test tests::peek_range_out_of_bounds ... ok
[INFO] [stdout] test tests::readme_example ... ok
[INFO] [stdout] test tests::peek_range_match ... ok
[INFO] [stdout] test tests::test_with_consume ... 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::truncate_iterator_to_cursor_is_noop_when_queue_is_empty_from_iteration ... ok
[INFO] [stdout] test tests::truncate_iterator_to_cursor_is_noop_when_queue_is_empty_from_no_peeking ... ok
[INFO] [stdout] test tests::truncate_to_iterator_cursor_and_queue_equal_length ... ok
[INFO] [stdout] test tests::truncate_to_iterator_fill_queue ... ok
[INFO] [stdout] test tests::truncate_to_iterator_on_single_element_collection ... ok
[INFO] [stdout] test tests::truncate_to_iterator_on_empty_collection ... ok
[INFO] [stdout] test tests::peek_range_panic_on_invalid_range - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 54 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests peekmore
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/lib.rs - PeekMoreIterator<I>::peek (line 203) ... ok
[INFO] [stdout] test src/lib.rs - PeekMoreIterator<I>::peek (line 241) ... ok
[INFO] [stdout] test src/lib.rs - PeekMoreIterator<I>::peek (line 291) ... ok
[INFO] [stdout] test src/lib.rs - PeekMoreIterator<I>::peek_amount (line 730) ... ok
[INFO] [stdout] test src/lib.rs - PeekMoreIterator<I>::peek (line 349) ... ok
[INFO] [stdout] test src/lib.rs - PeekMoreIterator<I>::peek (line 316) ... ok
[INFO] [stdout] test src/lib.rs - PeekMoreIterator<I>::peek (line 221) ... ok
[INFO] [stdout] test src/lib.rs - PeekMoreIterator<I>::truncate_iterator_to_cursor (line 625) ... ok
[INFO] [stdout] test src/lib.rs - (line 29) ... ok
[INFO] [stdout] test src/lib.rs - PeekMoreIterator<I>::peek_range (line 676) ... ok
[INFO] [stdout] test src/lib.rs - PeekMoreIterator<I>::peek (line 262) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0d5dd5276c43bd29fc723666425d518a04cf559caa145902a8fb6ba2ef5386e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d5dd5276c43bd29fc723666425d518a04cf559caa145902a8fb6ba2ef5386e3", kill_on_drop: false }`
[INFO] [stdout] 0d5dd5276c43bd29fc723666425d518a04cf559caa145902a8fb6ba2ef5386e3