[INFO] fetching crate gosh-linesearch 0.1.0...
[INFO] checking gosh-linesearch-0.1.0 against master#19dd9535408db0f1ff3d16613619076aef524d19 for pr-115950
[INFO] extracting crate gosh-linesearch 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate gosh-linesearch 0.1.0 on toolchain 19dd9535408db0f1ff3d16613619076aef524d19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "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-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded os_pipe v1.1.4
[INFO] [stderr]   Downloaded shared_child v1.0.0
[INFO] [stderr]   Downloaded gchemol-gut v0.3.1
[INFO] [stderr]   Downloaded duct v0.13.6
[INFO] [stderr]   Downloaded shell-escape v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0458043c22de9ef8d44025e0f633e1f1e90941c92bea953ef55145a6d3803ed6
[INFO] running `Command { std: "docker" "start" "-a" "0458043c22de9ef8d44025e0f633e1f1e90941c92bea953ef55145a6d3803ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0458043c22de9ef8d44025e0f633e1f1e90941c92bea953ef55145a6d3803ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0458043c22de9ef8d44025e0f633e1f1e90941c92bea953ef55145a6d3803ed6", kill_on_drop: false }`
[INFO] [stdout] 0458043c22de9ef8d44025e0f633e1f1e90941c92bea953ef55145a6d3803ed6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbc53a61ad0e98cd834044df0548e4f9c45b909fccc75a4cd52b92992a1769b6
[INFO] running `Command { std: "docker" "start" "-a" "cbc53a61ad0e98cd834044df0548e4f9c45b909fccc75a4cd52b92992a1769b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking regex-automata v0.3.8
[INFO] [stderr]     Checking os_str_bytes v6.5.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking shared_child v1.0.0
[INFO] [stderr]     Checking os_pipe v1.1.4
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking shell-escape v0.1.5
[INFO] [stderr]     Checking duct v0.13.6
[INFO] [stderr]     Checking rayon-core v1.11.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking regex v1.9.5
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]     Checking clap v3.2.25
[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: 1 warning emitted
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.93s
[INFO] running `Command { std: "docker" "inspect" "cbc53a61ad0e98cd834044df0548e4f9c45b909fccc75a4cd52b92992a1769b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbc53a61ad0e98cd834044df0548e4f9c45b909fccc75a4cd52b92992a1769b6", kill_on_drop: false }`
[INFO] [stdout] cbc53a61ad0e98cd834044df0548e4f9c45b909fccc75a4cd52b92992a1769b6