[INFO] fetching crate pidgin 0.4.3... [INFO] testing pidgin-0.4.3 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate pidgin 0.4.3 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate pidgin 0.4.3 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate pidgin 0.4.3 [INFO] finished tweaking crates.io crate pidgin 0.4.3 [INFO] tweaked toml for crates.io crate pidgin 0.4.3 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d3b8c36be5196f20f701b291fe82b80d93c421a9fc2fa16ad681d7cd1a618cf1 [INFO] running `Command { std: "docker" "start" "-a" "d3b8c36be5196f20f701b291fe82b80d93c421a9fc2fa16ad681d7cd1a618cf1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d3b8c36be5196f20f701b291fe82b80d93c421a9fc2fa16ad681d7cd1a618cf1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3b8c36be5196f20f701b291fe82b80d93c421a9fc2fa16ad681d7cd1a618cf1", kill_on_drop: false }` [INFO] [stdout] d3b8c36be5196f20f701b291fe82b80d93c421a9fc2fa16ad681d7cd1a618cf1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f3c085adf2d9bf01c0efa05c7a254c979afc26f07dec119b930b5e98fdc9138a [INFO] running `Command { std: "docker" "start" "-a" "f3c085adf2d9bf01c0efa05c7a254c979afc26f07dec119b930b5e98fdc9138a", kill_on_drop: false }` [INFO] [stderr] Compiling serde_regex v1.1.0 [INFO] [stderr] Compiling pidgin v0.4.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/pidgin.rs:601:38 [INFO] [stdout] | [INFO] [stdout] 601 | fn find_character_classes(&self, mut phrases: Vec>) -> Vec> { [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.46s [INFO] running `Command { std: "docker" "inspect" "f3c085adf2d9bf01c0efa05c7a254c979afc26f07dec119b930b5e98fdc9138a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f3c085adf2d9bf01c0efa05c7a254c979afc26f07dec119b930b5e98fdc9138a", kill_on_drop: false }` [INFO] [stdout] f3c085adf2d9bf01c0efa05c7a254c979afc26f07dec119b930b5e98fdc9138a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f869760c0b0efc9272c5419cee508f95e5fe13919d2ee5d3c3a5eb54fba86919 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "f869760c0b0efc9272c5419cee508f95e5fe13919d2ee5d3c3a5eb54fba86919", kill_on_drop: false }` [INFO] [stderr] Compiling bstr v0.2.16 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/pidgin.rs:601:38 [INFO] [stdout] | [INFO] [stdout] 601 | fn find_character_classes(&self, mut phrases: Vec>) -> Vec> { [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling csv v1.1.6 [INFO] [stderr] Compiling criterion v0.3.5 [INFO] [stderr] Compiling pidgin v0.4.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/pidgin.rs:601:38 [INFO] [stdout] | [INFO] [stdout] 601 | fn find_character_classes(&self, mut phrases: Vec>) -> Vec> { [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 19.23s [INFO] running `Command { std: "docker" "inspect" "f869760c0b0efc9272c5419cee508f95e5fe13919d2ee5d3c3a5eb54fba86919", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f869760c0b0efc9272c5419cee508f95e5fe13919d2ee5d3c3a5eb54fba86919", kill_on_drop: false }` [INFO] [stdout] f869760c0b0efc9272c5419cee508f95e5fe13919d2ee5d3c3a5eb54fba86919 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d8805d99ba12dd6a1ca887c357bf9eac1b163eb15a04c2739fb226a44515217d [INFO] running `Command { std: "docker" "start" "-a" "d8805d99ba12dd6a1ca887c357bf9eac1b163eb15a04c2739fb226a44515217d", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/pidgin.rs:601:38 [INFO] [stderr] | [INFO] [stderr] 601 | fn find_character_classes(&self, mut phrases: Vec>) -> Vec> { [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `pidgin` (lib) generated 1 warning [INFO] [stderr] warning: `pidgin` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/pidgin-109bda4fbc698800) [INFO] [stdout] [INFO] [stdout] running 12 tests [INFO] [stdout] test util::tests::two_chars_where_first_is_not_slash_non_atomic ... ok [INFO] [stdout] test util::tests::simple_char_class_is_atomic ... ok [INFO] [stdout] test util::tests::one_level_char_class_nesting ... ok [INFO] [stdout] test util::tests::leading_slash_then_char_is_atomic ... ok [INFO] [stdout] test util::tests::sequence_of_groups_is_not_atomic ... ok [INFO] [stdout] test util::tests::group_is_atomic ... ok [INFO] [stdout] test util::tests::single_characters_are_atomic ... ok [INFO] [stdout] test util::tests::one_level_group_nesting ... ok [INFO] [stdout] test util::tests::p_named_char_class_is_atomic ... ok [INFO] [stdout] test util::tests::simple_char_class_with_escape_is_atomic ... ok [INFO] [stdout] test util::tests::char_and_p_named_char_class_is_not_atomic ... ok [INFO] [stdout] test util::tests::sequence_of_char_class_is_not_atomic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/macro.rs (/opt/rustwide/target/debug/deps/macro-ae402406de57e293) [INFO] [stdout] [INFO] [stdout] running 51 tests [INFO] [stdout] test foo_bar ... ok [INFO] [stdout] test complex_character_class ... ok [INFO] [stdout] test children ... ok [INFO] [stdout] test complex_character_class_alternation ... ok [INFO] [stdout] test common_prefix ... ok [INFO] [stdout] test foo_foo ... ok [INFO] [stdout] test both_prefix_and_suffix ... ok [INFO] [stdout] test foo_bar_foo ... ok [INFO] [stdout] test foo_maybe_bar ... ok [INFO] [stdout] test foo_foo2 ... ok [INFO] [stdout] test foo_star_bar ... ok [INFO] [stdout] test complex_repeat ... ok [INFO] [stdout] test foo_plus_bar ... ok [INFO] [stdout] test common_suffix ... ok [INFO] [stdout] test long_character_class ... ok [INFO] [stdout] test foo_at_least_2_bar ... ok [INFO] [stdout] test deep_all_names ... ok [INFO] [stdout] test longer_repeat_found ... ok [INFO] [stdout] test matcher_serialization ... ok [INFO] [stdout] test multiple_definitions ... ok [INFO] [stdout] test foo_at_2_to_4_bar ... ok [INFO] [stdout] test namespace_collision ... ok [INFO] [stdout] test optional_space_with_repetition ... ok [INFO] [stdout] test optional_space ... ok [INFO] [stdout] test has_test ... ok [INFO] [stdout] test deep_name ... ok [INFO] [stdout] test maybe_space ... ok [INFO] [stdout] test rx ... ok [INFO] [stdout] test rule_general_flags ... ok [INFO] [stdout] test rule_example ... ok [INFO] [stdout] test simple_alternation ... ok [INFO] [stdout] test regex_rule ... ok [INFO] [stdout] test foreign_grammar ... ok [INFO] [stdout] test no_unicode ... ok [INFO] [stdout] test rule_specific_flags ... ok [INFO] [stdout] test short_character_class ... ok [INFO] [stdout] test rule_general_and_specific_flags ... ok [INFO] [stdout] test rule_general_and_specific_b_flags ... ok [INFO] [stdout] test parse_example ... ok [INFO] [stdout] test stinginess ... ok [INFO] [stdout] test stingy ... ok [INFO] [stdout] test word_bound_right ... ok [INFO] [stdout] test vec_rule_simple ... ok [INFO] [stdout] test some_space ... ok [INFO] [stdout] test using_sub_rule ... ok [INFO] [stdout] test small_repeat_ignored ... ok [INFO] [stdout] test vec_rule_with_repetition ... ok [INFO] [stdout] test word_bound_left ... ok [INFO] [stdout] test complex_example ... ok [INFO] [stdout] test rx_example ... ok [INFO] [stdout] test messing_about ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 51 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s [INFO] [stdout] [INFO] [stderr] Doc-tests pidgin [INFO] [stdout] [INFO] [stdout] running 39 tests [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name pidgin --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-07b55f3eb2ff566b.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-86422d76b8bd90ed.rlib --extern pidgin=/opt/rustwide/target/debug/deps/libpidgin-09b8784e8d1d7b71.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-103265e50e195195.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-90f11ea12ce25448.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-e08f3fe4360f09bf.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-ccca7748b2e9e072.rlib --extern serde_regex=/opt/rustwide/target/debug/deps/libserde_regex-86782c93e97e12a7.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill) [INFO] running `Command { std: "docker" "inspect" "d8805d99ba12dd6a1ca887c357bf9eac1b163eb15a04c2739fb226a44515217d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d8805d99ba12dd6a1ca887c357bf9eac1b163eb15a04c2739fb226a44515217d", kill_on_drop: false }` [INFO] [stdout] d8805d99ba12dd6a1ca887c357bf9eac1b163eb15a04c2739fb226a44515217d