[INFO] fetching crate discrete_transforms 0.1.3... [INFO] checking discrete_transforms-0.1.3 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050 [INFO] extracting crate discrete_transforms 0.1.3 into /workspace/builds/worker-11/source [INFO] validating manifest of crates.io crate discrete_transforms 0.1.3 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate discrete_transforms 0.1.3 [INFO] finished tweaking crates.io crate discrete_transforms 0.1.3 [INFO] tweaked toml for crates.io crate discrete_transforms 0.1.3 written to /workspace/builds/worker-11/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d274e3ea48ce2535267118e136ff8d5f422332000afbe6188bf5beab3c3a17de [INFO] running `Command { std: "docker" "start" "-a" "d274e3ea48ce2535267118e136ff8d5f422332000afbe6188bf5beab3c3a17de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d274e3ea48ce2535267118e136ff8d5f422332000afbe6188bf5beab3c3a17de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d274e3ea48ce2535267118e136ff8d5f422332000afbe6188bf5beab3c3a17de", kill_on_drop: false }` [INFO] [stdout] d274e3ea48ce2535267118e136ff8d5f422332000afbe6188bf5beab3c3a17de [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 44848c12c5df8504edf1056f96bb87d2516724839bde1b13f319a766580aaad9 [INFO] running `Command { std: "docker" "start" "-a" "44848c12c5df8504edf1056f96bb87d2516724839bde1b13f319a766580aaad9", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking discrete_transforms v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/haar_1d.rs:52:17 [INFO] [stdout] | [INFO] [stdout] 52 | let mut temp: Vec = output.iter().take(length).cloned().collect(); [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/haar_1d.rs:55:22 [INFO] [stdout] | [INFO] [stdout] 55 | let (mut s, mut d) = temp.split_at(length / 2); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/haar_1d.rs:52:17 [INFO] [stdout] | [INFO] [stdout] 52 | let mut temp: Vec = output.iter().take(length).cloned().collect(); [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/haar_1d.rs:55:22 [INFO] [stdout] | [INFO] [stdout] 55 | let (mut s, mut d) = temp.split_at(length / 2); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/haar_1d.rs:55:29 [INFO] [stdout] | [INFO] [stdout] 55 | let (mut s, mut d) = temp.split_at(length / 2); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/haar_1d.rs:55:29 [INFO] [stdout] | [INFO] [stdout] 55 | let (mut s, mut d) = temp.split_at(length / 2); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [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 [unoptimized + debuginfo] target(s) in 2.90s [INFO] running `Command { std: "docker" "inspect" "44848c12c5df8504edf1056f96bb87d2516724839bde1b13f319a766580aaad9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "44848c12c5df8504edf1056f96bb87d2516724839bde1b13f319a766580aaad9", kill_on_drop: false }` [INFO] [stdout] 44848c12c5df8504edf1056f96bb87d2516724839bde1b13f319a766580aaad9