[INFO] fetching crate bounce-iterator 0.1.0... [INFO] checking bounce-iterator-0.1.0 against master#cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3 for pr-135841 [INFO] extracting crate bounce-iterator 0.1.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate bounce-iterator 0.1.0 on toolchain cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate bounce-iterator 0.1.0 [INFO] finished tweaking crates.io crate bounce-iterator 0.1.0 [INFO] tweaked toml for crates.io crate bounce-iterator 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4d4331a2fe09d574d58b7ab95336a0584ebb8c21423ec7af21a4c2869633d9e7 [INFO] running `Command { std: "docker" "start" "-a" "4d4331a2fe09d574d58b7ab95336a0584ebb8c21423ec7af21a4c2869633d9e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4d4331a2fe09d574d58b7ab95336a0584ebb8c21423ec7af21a4c2869633d9e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d4331a2fe09d574d58b7ab95336a0584ebb8c21423ec7af21a4c2869633d9e7", kill_on_drop: false }` [INFO] [stdout] 4d4331a2fe09d574d58b7ab95336a0584ebb8c21423ec7af21a4c2869633d9e7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] efb5f4c07001673d9abedd2f03743fc7b68d1f379cd0f4ddc4dfe0feeac40103 [INFO] running `Command { std: "docker" "start" "-a" "efb5f4c07001673d9abedd2f03743fc7b68d1f379cd0f4ddc4dfe0feeac40103", kill_on_drop: false }` [INFO] [stderr] Checking bounce-iterator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:90:13 [INFO] [stdout] | [INFO] [stdout] 90 | let mut data: Vec = Vec::new(); [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:91:13 [INFO] [stdout] | [INFO] [stdout] 91 | let mut iter = BounceIterLockedMut::new(rwlockify(data.iter()).collect()); [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/lib.rs:100:13 [INFO] [stdout] | [INFO] [stdout] 100 | let mut data = vec![1]; [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/lib.rs:101:13 [INFO] [stdout] | [INFO] [stdout] 101 | let mut iter = BounceIterLockedMut::new(rwlockify(data.iter()).collect()); [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/lib.rs:110:13 [INFO] [stdout] | [INFO] [stdout] 110 | let mut data = vec![1, 2, 3, 4, 5]; [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/lib.rs:112:13 [INFO] [stdout] | [INFO] [stdout] 112 | let mut iter = BounceIterLockedMut::new(rwlockify(data.iter()).collect()); [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/lib.rs:120:13 [INFO] [stdout] | [INFO] [stdout] 120 | let mut data = vec![1, 2, 3, 4, 5]; [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/lib.rs:122:13 [INFO] [stdout] | [INFO] [stdout] 122 | let mut iter = BounceIterLockedMut::new_rev(rwlockify(data.iter()).collect()); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s [INFO] running `Command { std: "docker" "inspect" "efb5f4c07001673d9abedd2f03743fc7b68d1f379cd0f4ddc4dfe0feeac40103", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "efb5f4c07001673d9abedd2f03743fc7b68d1f379cd0f4ddc4dfe0feeac40103", kill_on_drop: false }` [INFO] [stdout] efb5f4c07001673d9abedd2f03743fc7b68d1f379cd0f4ddc4dfe0feeac40103