[INFO] fetching crate linguist-rs 1.1.0...
[INFO] testing linguist-rs-1.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate linguist-rs 1.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate linguist-rs 1.1.0
[INFO] finished tweaking crates.io crate linguist-rs 1.1.0
[INFO] tweaked toml for crates.io crate linguist-rs 1.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate linguist-rs 1.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unsafe-libyaml v0.2.11
[INFO] [stderr]   Downloaded serde_yaml v0.9.34+deprecated
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3103d05abf708424615ffd11a786a16921d6c0d99fa4b28dd49f18842d8d9b2
[INFO] running `Command { std: "docker" "start" "-a" "b3103d05abf708424615ffd11a786a16921d6c0d99fa4b28dd49f18842d8d9b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3103d05abf708424615ffd11a786a16921d6c0d99fa4b28dd49f18842d8d9b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3103d05abf708424615ffd11a786a16921d6c0d99fa4b28dd49f18842d8d9b2", kill_on_drop: false }`
[INFO] [stdout] b3103d05abf708424615ffd11a786a16921d6c0d99fa4b28dd49f18842d8d9b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cb15a4a2220861d14038391d51e114584eec844a9c7074f15aaedaa5215676d
[INFO] running `Command { std: "docker" "start" "-a" "4cb15a4a2220861d14038391d51e114584eec844a9c7074f15aaedaa5215676d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling indexmap v2.12.0
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling serde_yaml v0.9.34+deprecated
[INFO] [stderr]    Compiling linguist-rs v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `is_unsupported_regex_syntax` is never used
[INFO] [stdout]    --> src/utils.rs:137:15
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub(crate) fn is_unsupported_regex_syntax(input: &str) -> bool {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.66s
[INFO] running `Command { std: "docker" "inspect" "4cb15a4a2220861d14038391d51e114584eec844a9c7074f15aaedaa5215676d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cb15a4a2220861d14038391d51e114584eec844a9c7074f15aaedaa5215676d", kill_on_drop: false }`
[INFO] [stdout] 4cb15a4a2220861d14038391d51e114584eec844a9c7074f15aaedaa5215676d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fba4bc00942aabc4dd7cbb6b3be1493201ddb6116afc680a74f3072d43c31588
[INFO] running `Command { std: "docker" "start" "-a" "fba4bc00942aabc4dd7cbb6b3be1493201ddb6116afc680a74f3072d43c31588", kill_on_drop: false }`
[INFO] [stderr]    Compiling linguist-rs v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `is_unsupported_regex_syntax` is never used
[INFO] [stdout]    --> src/utils.rs:137:15
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub(crate) fn is_unsupported_regex_syntax(input: &str) -> bool {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_unsupported_regex_syntax` is never used
[INFO] [stdout]    --> src/utils.rs:137:15
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub(crate) fn is_unsupported_regex_syntax(input: &str) -> bool {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "fba4bc00942aabc4dd7cbb6b3be1493201ddb6116afc680a74f3072d43c31588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fba4bc00942aabc4dd7cbb6b3be1493201ddb6116afc680a74f3072d43c31588", kill_on_drop: false }`
[INFO] [stdout] fba4bc00942aabc4dd7cbb6b3be1493201ddb6116afc680a74f3072d43c31588
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] df54b03b946dfe053d629b67733f6567dc4383e8c91374677bd0cfe9133bddda
[INFO] running `Command { std: "docker" "start" "-a" "df54b03b946dfe053d629b67733f6567dc4383e8c91374677bd0cfe9133bddda", kill_on_drop: false }`
[INFO] [stderr] warning: function `is_unsupported_regex_syntax` is never used
[INFO] [stderr]    --> src/utils.rs:137:15
[INFO] [stderr]     |
[INFO] [stderr] 137 | pub(crate) fn is_unsupported_regex_syntax(input: &str) -> bool {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `linguist-rs` (lib) generated 1 warning
[INFO] [stderr] warning: `linguist-rs` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/linguist-a4c6da07f5635b04)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests linguist
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/utils.rs - utils::is_documentation (line 31) ... FAILED
[INFO] [stdout] test src/utils.rs - utils::is_dotfile (line 49) ... ok
[INFO] [stdout] test src/utils.rs - utils::is_configuration (line 14) ... FAILED
[INFO] [stdout] test src/utils.rs - utils::is_dotfile (line 56) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/utils.rs - utils::is_documentation (line 31) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `DOCS` in module `linguist::utils`
[INFO] [stdout]  --> src/utils.rs:37:44
[INFO] [stdout]   |
[INFO] [stdout] 9 | let rules = RegexSet::new(linguist::utils::DOCS).unwrap();
[INFO] [stdout]   |                                            ^^^^ not found in `linguist::utils`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/utils.rs - utils::is_configuration (line 14) stdout ----
[INFO] [stdout] Test executable succeeded, but it's marked `should_panic`.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/utils.rs - utils::is_configuration (line 14)
[INFO] [stdout]     src/utils.rs - utils::is_documentation (line 31)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.62s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "df54b03b946dfe053d629b67733f6567dc4383e8c91374677bd0cfe9133bddda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df54b03b946dfe053d629b67733f6567dc4383e8c91374677bd0cfe9133bddda", kill_on_drop: false }`
[INFO] [stdout] df54b03b946dfe053d629b67733f6567dc4383e8c91374677bd0cfe9133bddda