[INFO] fetching crate pidgin 0.4.3... [INFO] testing pidgin-0.4.3 against master#c5842b0be783dffa5a49693541acb79115c7eeef for pr-102570 [INFO] extracting crate pidgin 0.4.3 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate pidgin 0.4.3 on toolchain c5842b0be783dffa5a49693541acb79115c7eeef [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5842b0be783dffa5a49693541acb79115c7eeef" "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-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5842b0be783dffa5a49693541acb79115c7eeef" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5842b0be783dffa5a49693541acb79115c7eeef" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+c5842b0be783dffa5a49693541acb79115c7eeef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0598601dc2c542c8b655d8ff94107403acf86ed0a00c51596f77fb4b3c909fc4 [INFO] running `Command { std: "docker" "start" "-a" "0598601dc2c542c8b655d8ff94107403acf86ed0a00c51596f77fb4b3c909fc4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0598601dc2c542c8b655d8ff94107403acf86ed0a00c51596f77fb4b3c909fc4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0598601dc2c542c8b655d8ff94107403acf86ed0a00c51596f77fb4b3c909fc4", kill_on_drop: false }` [INFO] [stdout] 0598601dc2c542c8b655d8ff94107403acf86ed0a00c51596f77fb4b3c909fc4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "RUSTDOCFLAGS=--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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+c5842b0be783dffa5a49693541acb79115c7eeef" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3b3cede7523f44a999f8997a97fadb2b74ab0df0bd573cce767e82c288fa24ae [INFO] running `Command { std: "docker" "start" "-a" "3b3cede7523f44a999f8997a97fadb2b74ab0df0bd573cce767e82c288fa24ae", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.47 [INFO] [stderr] Compiling unicode-ident v1.0.5 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling syn v1.0.103 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling serde_derive v1.0.147 [INFO] [stderr] Compiling serde v1.0.147 [INFO] [stderr] Compiling regex-syntax v0.6.28 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling aho-corasick v0.7.19 [INFO] [stderr] Compiling regex v1.7.0 [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 18.34s [INFO] running `Command { std: "docker" "inspect" "3b3cede7523f44a999f8997a97fadb2b74ab0df0bd573cce767e82c288fa24ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b3cede7523f44a999f8997a97fadb2b74ab0df0bd573cce767e82c288fa24ae", kill_on_drop: false }` [INFO] [stdout] 3b3cede7523f44a999f8997a97fadb2b74ab0df0bd573cce767e82c288fa24ae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "RUSTDOCFLAGS=--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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+c5842b0be783dffa5a49693541acb79115c7eeef" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b40931916ca26d2d1efcb36f183bb3d0377a1273c516e918342be054e242f8da [INFO] running `Command { std: "docker" "start" "-a" "b40931916ca26d2d1efcb36f183bb3d0377a1273c516e918342be054e242f8da", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.137 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.12 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Compiling either v1.8.0 [INFO] [stderr] Compiling ryu v1.0.11 [INFO] [stderr] Compiling serde_json v1.0.87 [INFO] [stderr] Compiling plotters-backend v0.3.4 [INFO] [stderr] Compiling itoa v1.0.4 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling unicode-width v0.1.10 [INFO] [stderr] Compiling cast v0.3.0 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling half v1.8.2 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling plotters-svg v0.3.3 [INFO] [stderr] Compiling bstr v0.2.17 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling serde_cbor v0.11.2 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling oorandom v11.1.3 [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 walkdir v2.3.2 [INFO] [stderr] Compiling crossbeam-channel v0.5.6 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.11 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Compiling csv v1.1.6 [INFO] [stderr] Compiling getrandom v0.2.8 [INFO] [stderr] Compiling num_cpus v1.14.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling crossbeam-deque v0.8.2 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling criterion-plot v0.4.5 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling plotters v0.3.4 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling criterion v0.3.6 [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 15.78s [INFO] running `Command { std: "docker" "inspect" "b40931916ca26d2d1efcb36f183bb3d0377a1273c516e918342be054e242f8da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b40931916ca26d2d1efcb36f183bb3d0377a1273c516e918342be054e242f8da", kill_on_drop: false }` [INFO] [stdout] b40931916ca26d2d1efcb36f183bb3d0377a1273c516e918342be054e242f8da [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "RUSTDOCFLAGS=--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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+c5842b0be783dffa5a49693541acb79115c7eeef" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9d8a5263382295d68ba7f48c487678d61088c8c35eeaf138e3872c3b76e9ac6d [INFO] running `Command { std: "docker" "start" "-a" "9d8a5263382295d68ba7f48c487678d61088c8c35eeaf138e3872c3b76e9ac6d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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 (run `cargo fix --lib -p pidgin` to apply 1 suggestion) [INFO] [stderr] warning: `pidgin` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.16s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pidgin-ac5da5cf0c6e84db) [INFO] [stdout] [INFO] [stdout] running 12 tests [INFO] [stdout] test util::tests::simple_char_class_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::sequence_of_groups_is_not_atomic ... ok [INFO] [stdout] test util::tests::p_named_char_class_is_atomic ... ok [INFO] [stdout] test util::tests::char_and_p_named_char_class_is_not_atomic ... ok [INFO] [stdout] test util::tests::group_is_atomic ... ok [INFO] [stdout] test util::tests::sequence_of_char_class_is_not_atomic ... ok [INFO] [stdout] test util::tests::simple_char_class_with_escape_is_atomic ... ok [INFO] [stdout] test util::tests::leading_slash_then_char_is_atomic ... ok [INFO] [stdout] test util::tests::one_level_char_class_nesting ... ok [INFO] [stdout] test util::tests::two_chars_where_first_is_not_slash_non_atomic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running tests/macro.rs (/opt/rustwide/target/debug/deps/macro-4a82d921f25fa6cf) [INFO] [stdout] [INFO] [stdout] running 51 tests [INFO] [stdout] test children ... ok [INFO] [stdout] test complex_character_class ... ok [INFO] [stdout] test common_prefix ... ok [INFO] [stdout] test both_prefix_and_suffix ... ok [INFO] [stdout] test common_suffix ... ok [INFO] [stdout] test complex_character_class_alternation ... ok [INFO] [stdout] test foo_bar ... ok [INFO] [stdout] test foo_foo2 ... ok [INFO] [stdout] test foo_plus_bar ... ok [INFO] [stdout] test foo_bar_foo ... ok [INFO] [stdout] test long_character_class ... ok [INFO] [stdout] test foo_maybe_bar ... ok [INFO] [stdout] test has_test ... ok [INFO] [stdout] test foo_foo ... ok [INFO] [stdout] test foo_star_bar ... ok [INFO] [stdout] test complex_repeat ... ok [INFO] [stdout] test foo_at_2_to_4_bar ... ok [INFO] [stdout] test multiple_definitions ... 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 optional_space ... ok [INFO] [stdout] test maybe_space ... ok [INFO] [stdout] test deep_name ... ok [INFO] [stdout] test namespace_collision ... ok [INFO] [stdout] test regex_rule ... ok [INFO] [stdout] test optional_space_with_repetition ... ok [INFO] [stdout] test rule_general_and_specific_b_flags ... ok [INFO] [stdout] test no_unicode ... ok [INFO] [stdout] test rule_specific_flags ... ok [INFO] [stdout] test rule_general_flags ... ok [INFO] [stdout] test rule_example ... ok [INFO] [stdout] test rx ... ok [INFO] [stdout] test small_repeat_ignored ... ok [INFO] [stdout] test matcher_serialization ... ok [INFO] [stdout] test some_space ... ok [INFO] [stdout] test short_character_class ... ok [INFO] [stdout] test simple_alternation ... ok [INFO] [stdout] test using_sub_rule ... ok [INFO] [stdout] test stingy ... ok [INFO] [stdout] test rule_general_and_specific_flags ... ok [INFO] [stdout] test vec_rule_with_repetition ... ok [INFO] [stdout] test stinginess ... ok [INFO] [stdout] test vec_rule_simple ... ok [INFO] [stdout] test foreign_grammar ... ok [INFO] [stdout] test word_bound_right ... ok [INFO] [stdout] test parse_example ... ok [INFO] [stdout] test word_bound_left ... ok [INFO] [stdout] test complex_example ... ok [INFO] [stdout] test messing_about ... ok [INFO] [stderr] Doc-tests pidgin [INFO] [stdout] test rx_example ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 51 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 39 tests [INFO] [stdout] test src/grammar.rs - grammar::Grammar::matcher (line 45) ... ok [INFO] [stdout] test src/lib.rs - (line 18) ... ok [INFO] [stdout] test src/grammar.rs - grammar::Grammar::rx (line 221) ... ok [INFO] [stdout] test src/grammar.rs - grammar::Grammar::rx (line 234) ... ok [INFO] [stderr] error: doctest 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-7dab6997c214c0ac.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-b33cd6b8ee13db74.rlib --extern pidgin=/opt/rustwide/target/debug/deps/libpidgin-e00b32b094002f11.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-2cb1377f30a6ccaa.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-4fc7fb58938da5cb.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-f34856d961a36ec1.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-844e228850d72725.rlib --extern serde_regex=/opt/rustwide/target/debug/deps/libserde_regex-cdefbcc796528d78.rlib -C embed-bitcode=no --cap-lints=forbid --error-format human` (signal: 9, SIGKILL: kill) [INFO] running `Command { std: "docker" "inspect" "9d8a5263382295d68ba7f48c487678d61088c8c35eeaf138e3872c3b76e9ac6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d8a5263382295d68ba7f48c487678d61088c8c35eeaf138e3872c3b76e9ac6d", kill_on_drop: false }` [INFO] [stdout] 9d8a5263382295d68ba7f48c487678d61088c8c35eeaf138e3872c3b76e9ac6d