[INFO] fetching crate mutexpect 0.2.7... [INFO] building mutexpect-0.2.7 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1 [INFO] extracting crate mutexpect 0.2.7 into /workspace/builds/worker-7-tc1/source [INFO] started tweaking crates.io crate mutexpect 0.2.7 [INFO] finished tweaking crates.io crate mutexpect 0.2.7 [INFO] tweaked toml for crates.io crate mutexpect 0.2.7 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate mutexpect 0.2.7 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 13 packages to latest compatible versions [INFO] [stderr] Adding thiserror v1.0.69 (available: v2.0.16) [INFO] [stderr] Adding twobit v0.1.1 (available: v0.2.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded twobit v0.1.1 [INFO] [stderr] Downloaded pattern_partition_prediction v0.1.4 [INFO] [stderr] Downloaded tabfile v0.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e1bd67bfe26899aca6dc0878affb231ad562eea7e8fa08d17ecabc2bf45dbe0e [INFO] running `Command { std: "docker" "start" "-a" "e1bd67bfe26899aca6dc0878affb231ad562eea7e8fa08d17ecabc2bf45dbe0e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e1bd67bfe26899aca6dc0878affb231ad562eea7e8fa08d17ecabc2bf45dbe0e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1bd67bfe26899aca6dc0878affb231ad562eea7e8fa08d17ecabc2bf45dbe0e", kill_on_drop: false }` [INFO] [stdout] e1bd67bfe26899aca6dc0878affb231ad562eea7e8fa08d17ecabc2bf45dbe0e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7b707f0ba40fa07fbc496ab892291642a9582a35ef833bfa1651b3c5a24dced2 [INFO] running `Command { std: "docker" "start" "-a" "7b707f0ba40fa07fbc496ab892291642a9582a35ef833bfa1651b3c5a24dced2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling unicode-ident v1.0.19 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling tabfile v0.2.1 [INFO] [stderr] Compiling twobit v0.1.1 [INFO] [stderr] Compiling pattern_partition_prediction v0.1.4 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling serde_repr v0.1.20 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling mutexpect v0.2.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/point_mutation_classifier.rs:287:26 [INFO] [stdout] | [INFO] [stdout] 287 | 0 => (middle_index - 2..middle_index + 0 + 1), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 287 - 0 => (middle_index - 2..middle_index + 0 + 1), [INFO] [stdout] 287 + 0 => middle_index - 2..middle_index + 0 + 1, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/point_mutation_classifier.rs:288:26 [INFO] [stdout] | [INFO] [stdout] 288 | 1 => (middle_index - 1..middle_index + 1 + 1), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 288 - 1 => (middle_index - 1..middle_index + 1 + 1), [INFO] [stdout] 288 + 1 => middle_index - 1..middle_index + 1 + 1, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/point_mutation_classifier.rs:289:26 [INFO] [stdout] | [INFO] [stdout] 289 | 2 => (middle_index - 0..middle_index + 2 + 1), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 289 - 2 => (middle_index - 0..middle_index + 2 + 1), [INFO] [stdout] 289 + 2 => middle_index - 0..middle_index + 2 + 1, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SetupError` is never constructed [INFO] [stdout] --> src/point_mutation_classifier.rs:353:12 [INFO] [stdout] | [INFO] [stdout] 353 | pub struct SetupError { [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 9.93s [INFO] running `Command { std: "docker" "inspect" "7b707f0ba40fa07fbc496ab892291642a9582a35ef833bfa1651b3c5a24dced2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b707f0ba40fa07fbc496ab892291642a9582a35ef833bfa1651b3c5a24dced2", kill_on_drop: false }` [INFO] [stdout] 7b707f0ba40fa07fbc496ab892291642a9582a35ef833bfa1651b3c5a24dced2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7c8345f3e2d638966903f57d97cb06c9c6bed75b58ab85054e574f3a7e941411 [INFO] running `Command { std: "docker" "start" "-a" "7c8345f3e2d638966903f57d97cb06c9c6bed75b58ab85054e574f3a7e941411", kill_on_drop: false }` [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/point_mutation_classifier.rs:287:26 [INFO] [stdout] | [INFO] [stdout] 287 | 0 => (middle_index - 2..middle_index + 0 + 1), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 287 - 0 => (middle_index - 2..middle_index + 0 + 1), [INFO] [stdout] 287 + 0 => middle_index - 2..middle_index + 0 + 1, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling mutexpect v0.2.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/point_mutation_classifier.rs:288:26 [INFO] [stdout] | [INFO] [stdout] 288 | 1 => (middle_index - 1..middle_index + 1 + 1), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 288 - 1 => (middle_index - 1..middle_index + 1 + 1), [INFO] [stdout] 288 + 1 => middle_index - 1..middle_index + 1 + 1, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/point_mutation_classifier.rs:289:26 [INFO] [stdout] | [INFO] [stdout] 289 | 2 => (middle_index - 0..middle_index + 2 + 1), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 289 - 2 => (middle_index - 0..middle_index + 2 + 1), [INFO] [stdout] 289 + 2 => middle_index - 0..middle_index + 2 + 1, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SetupError` is never constructed [INFO] [stdout] --> src/point_mutation_classifier.rs:353:12 [INFO] [stdout] | [INFO] [stdout] 353 | pub struct SetupError { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/point_mutation_classifier.rs:287:26 [INFO] [stdout] | [INFO] [stdout] 287 | 0 => (middle_index - 2..middle_index + 0 + 1), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 287 - 0 => (middle_index - 2..middle_index + 0 + 1), [INFO] [stdout] 287 + 0 => middle_index - 2..middle_index + 0 + 1, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/point_mutation_classifier.rs:288:26 [INFO] [stdout] | [INFO] [stdout] 288 | 1 => (middle_index - 1..middle_index + 1 + 1), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 288 - 1 => (middle_index - 1..middle_index + 1 + 1), [INFO] [stdout] 288 + 1 => middle_index - 1..middle_index + 1 + 1, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/point_mutation_classifier.rs:289:26 [INFO] [stdout] | [INFO] [stdout] 289 | 2 => (middle_index - 0..middle_index + 2 + 1), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 289 - 2 => (middle_index - 0..middle_index + 2 + 1), [INFO] [stdout] 289 + 2 => middle_index - 0..middle_index + 2 + 1, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SetupError` is never constructed [INFO] [stdout] --> src/point_mutation_classifier.rs:353:12 [INFO] [stdout] | [INFO] [stdout] 353 | pub struct SetupError { [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 0.54s [INFO] running `Command { std: "docker" "inspect" "7c8345f3e2d638966903f57d97cb06c9c6bed75b58ab85054e574f3a7e941411", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c8345f3e2d638966903f57d97cb06c9c6bed75b58ab85054e574f3a7e941411", kill_on_drop: false }` [INFO] [stdout] 7c8345f3e2d638966903f57d97cb06c9c6bed75b58ab85054e574f3a7e941411