[INFO] fetching crate mutexpect 0.2.7... [INFO] checking mutexpect-0.2.7 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] extracting crate mutexpect 0.2.7 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate mutexpect 0.2.7 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-1-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "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 twobit v0.1.1 (latest: v0.2.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0e1465c2c0a2f9fca5a540873f83f022ecfc5f34928d073ea07129172d8f910f [INFO] running `Command { std: "docker" "start" "-a" "0e1465c2c0a2f9fca5a540873f83f022ecfc5f34928d073ea07129172d8f910f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0e1465c2c0a2f9fca5a540873f83f022ecfc5f34928d073ea07129172d8f910f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e1465c2c0a2f9fca5a540873f83f022ecfc5f34928d073ea07129172d8f910f", kill_on_drop: false }` [INFO] [stdout] 0e1465c2c0a2f9fca5a540873f83f022ecfc5f34928d073ea07129172d8f910f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5b4aeabc595c47ff507a693200289b56c2aecdd0f5a459f1db86be53ea23fd91 [INFO] running `Command { std: "docker" "start" "-a" "5b4aeabc595c47ff507a693200289b56c2aecdd0f5a459f1db86be53ea23fd91", kill_on_drop: false }` [INFO] [stderr] Checking tabfile v0.2.1 [INFO] [stderr] Checking twobit v0.1.1 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking pattern_partition_prediction v0.1.4 [INFO] [stderr] Compiling thiserror-impl v1.0.63 [INFO] [stderr] Compiling serde_repr v0.1.19 [INFO] [stderr] Checking thiserror v1.0.63 [INFO] [stderr] Checking 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)]` 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: 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)]` 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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.49s [INFO] running `Command { std: "docker" "inspect" "5b4aeabc595c47ff507a693200289b56c2aecdd0f5a459f1db86be53ea23fd91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b4aeabc595c47ff507a693200289b56c2aecdd0f5a459f1db86be53ea23fd91", kill_on_drop: false }` [INFO] [stdout] 5b4aeabc595c47ff507a693200289b56c2aecdd0f5a459f1db86be53ea23fd91 [INFO] checking mutexpect-0.2.7 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] extracting crate mutexpect 0.2.7 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate mutexpect 0.2.7 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-1-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 13 packages to latest compatible versions [INFO] [stderr] Adding twobit v0.1.1 (latest: v0.2.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6aa3ed4afec35892a53d82f00a2c27779cdc87247ae1692f3e742416eab5dcbc [INFO] running `Command { std: "docker" "start" "-a" "6aa3ed4afec35892a53d82f00a2c27779cdc87247ae1692f3e742416eab5dcbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6aa3ed4afec35892a53d82f00a2c27779cdc87247ae1692f3e742416eab5dcbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6aa3ed4afec35892a53d82f00a2c27779cdc87247ae1692f3e742416eab5dcbc", kill_on_drop: false }` [INFO] [stdout] 6aa3ed4afec35892a53d82f00a2c27779cdc87247ae1692f3e742416eab5dcbc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 937d405e185b2bf25f03ea1a1f52fe6bf0caa59757e718593fcdc72346a5b3bf [INFO] running `Command { std: "docker" "start" "-a" "937d405e185b2bf25f03ea1a1f52fe6bf0caa59757e718593fcdc72346a5b3bf", kill_on_drop: false }` [INFO] [stderr] Checking tabfile v0.2.1 [INFO] [stderr] Checking twobit v0.1.1 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking pattern_partition_prediction v0.1.4 [INFO] [stderr] Compiling thiserror-impl v1.0.63 [INFO] [stderr] Compiling serde_repr v0.1.19 [INFO] [stderr] Checking thiserror v1.0.63 [INFO] [stderr] Checking 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)]` 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: 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)]` 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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.13s [INFO] running `Command { std: "docker" "inspect" "937d405e185b2bf25f03ea1a1f52fe6bf0caa59757e718593fcdc72346a5b3bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "937d405e185b2bf25f03ea1a1f52fe6bf0caa59757e718593fcdc72346a5b3bf", kill_on_drop: false }` [INFO] [stdout] 937d405e185b2bf25f03ea1a1f52fe6bf0caa59757e718593fcdc72346a5b3bf