[INFO] fetching crate gosh-linesearch 0.1.0... [INFO] checking gosh-linesearch-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate gosh-linesearch 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate gosh-linesearch 0.1.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate gosh-linesearch 0.1.0 [INFO] finished tweaking crates.io crate gosh-linesearch 0.1.0 [INFO] tweaked toml for crates.io crate gosh-linesearch 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 74 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding clap v3.2.25 (available: v4.5.18) [INFO] [stderr] Adding clap_derive v3.2.25 (available: v4.5.18) [INFO] [stderr] Adding clap_lex v0.2.4 (available: v0.7.2) [INFO] [stderr] Adding env_logger v0.9.3 (available: v0.11.5) [INFO] [stderr] Adding gchemol-gut v0.3.1 (available: v0.4.4) [INFO] [stderr] Adding hashbrown v0.12.3 (available: v0.14.5) [INFO] [stderr] Adding heck v0.4.1 (available: v0.5.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (available: v0.4.0) [INFO] [stderr] Adding indexmap v1.9.3 (available: v2.5.0) [INFO] [stderr] Adding itertools v0.10.5 (available: v0.13.0) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (available: v0.6.5) [INFO] [stderr] Adding os_str_bytes v6.6.1 (available: v7.0.0) [INFO] [stderr] Adding strsim v0.10.0 (available: v0.11.1) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.77) [INFO] [stderr] Adding toml v0.5.11 (available: v0.8.19) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8ef082fdb8fe8bc02ede7202ea5461a89cb017bc5a6bd7441c3e6e17c38e0144 [INFO] running `Command { std: "docker" "start" "-a" "8ef082fdb8fe8bc02ede7202ea5461a89cb017bc5a6bd7441c3e6e17c38e0144", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8ef082fdb8fe8bc02ede7202ea5461a89cb017bc5a6bd7441c3e6e17c38e0144", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ef082fdb8fe8bc02ede7202ea5461a89cb017bc5a6bd7441c3e6e17c38e0144", kill_on_drop: false }` [INFO] [stdout] 8ef082fdb8fe8bc02ede7202ea5461a89cb017bc5a6bd7441c3e6e17c38e0144 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e8924ea816dc47d637b10e56cda2c1f3ff9a7dea6f7bf82381cc0098e2c59dbd [INFO] running `Command { std: "docker" "start" "-a" "e8924ea816dc47d637b10e56cda2c1f3ff9a7dea6f7bf82381cc0098e2c59dbd", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking os_str_bytes v6.6.1 [INFO] [stderr] Checking rustix v0.38.37 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking os_pipe v1.2.1 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking shared_child v1.0.1 [INFO] [stderr] Checking textwrap v0.16.1 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking duct v0.13.7 [INFO] [stderr] Checking env_logger v0.9.3 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Compiling clap_derive v3.2.25 [INFO] [stderr] Checking tempfile v3.12.0 [INFO] [stderr] Checking clap v3.2.25 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Checking serde v1.0.210 [INFO] [stderr] Checking toml v0.5.11 [INFO] [stderr] Checking serde_json v1.0.128 [INFO] [stderr] Checking gchemol-gut v0.3.1 [INFO] [stderr] Checking gosh-linesearch v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:414:21 [INFO] [stdout] | [INFO] [stdout] 414 | let mut ls = LineSearchIter { [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: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:414:21 [INFO] [stdout] | [INFO] [stdout] 414 | let mut ls = LineSearchIter { [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: unused variable: `step` [INFO] [stdout] --> src/lib.rs:453:13 [INFO] [stdout] | [INFO] [stdout] 453 | let mut step = 1.0; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_step` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/lib.rs:457:21 [INFO] [stdout] | [INFO] [stdout] 457 | .find_iter(|a: f64, out: &mut Output| { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:453:9 [INFO] [stdout] | [INFO] [stdout] 453 | let mut step = 1.0; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `LineSearchFind` is never used [INFO] [stdout] --> src/lib.rs:150:18 [INFO] [stdout] | [INFO] [stdout] 150 | pub(crate) trait LineSearchFind [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `LineSearchFind` is never used [INFO] [stdout] --> src/lib.rs:150:18 [INFO] [stdout] | [INFO] [stdout] 150 | pub(crate) trait LineSearchFind [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.21s [INFO] running `Command { std: "docker" "inspect" "e8924ea816dc47d637b10e56cda2c1f3ff9a7dea6f7bf82381cc0098e2c59dbd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8924ea816dc47d637b10e56cda2c1f3ff9a7dea6f7bf82381cc0098e2c59dbd", kill_on_drop: false }` [INFO] [stdout] e8924ea816dc47d637b10e56cda2c1f3ff9a7dea6f7bf82381cc0098e2c59dbd