[INFO] fetching crate klavier-helper 0.1.5... [INFO] checking klavier-helper-0.1.5 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] extracting crate klavier-helper 0.1.5 into /workspace/builds/worker-3-tc1/source [INFO] started tweaking crates.io crate klavier-helper 0.1.5 [INFO] finished tweaking crates.io crate klavier-helper 0.1.5 [INFO] tweaked toml for crates.io crate klavier-helper 0.1.5 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate klavier-helper 0.1.5 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate klavier-helper 0.1.5 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a6781595bd09da30edb28c6b5d1a742fcf10c743b32661426944ce42e371c50d [INFO] running `Command { std: "docker" "start" "-a" "a6781595bd09da30edb28c6b5d1a742fcf10c743b32661426944ce42e371c50d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a6781595bd09da30edb28c6b5d1a742fcf10c743b32661426944ce42e371c50d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6781595bd09da30edb28c6b5d1a742fcf10c743b32661426944ce42e371c50d", kill_on_drop: false }` [INFO] [stdout] a6781595bd09da30edb28c6b5d1a742fcf10c743b32661426944ce42e371c50d [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4416bfe75b333c82f9480d45d6c007688490c87881a2113dd8f58a9b7bbecc04 [INFO] running `Command { std: "docker" "start" "-a" "4416bfe75b333c82f9480d45d6c007688490c87881a2113dd8f58a9b7bbecc04", kill_on_drop: false }` [INFO] [stderr] Checking klavier-helper v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/store.rs:350:19 [INFO] [stdout] | [INFO] [stdout] 350 | pub fn finder(&self) -> Finder { [INFO] [stdout] | ^^^^^ --------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 350 | pub fn finder(&self) -> Finder<'_, K, T, M> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/store.rs:477:19 [INFO] [stdout] | [INFO] [stdout] 477 | let (idx, mut itr) = store.range(0..=i32::MAX); [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: `value` [INFO] [stdout] --> src/store.rs:609:25 [INFO] [stdout] | [INFO] [stdout] 609 | if let Some(value) = opt { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/store.rs:660:25 [INFO] [stdout] | [INFO] [stdout] 660 | if let Some(value) = opt { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/store.rs:350:19 [INFO] [stdout] | [INFO] [stdout] 350 | pub fn finder(&self) -> Finder { [INFO] [stdout] | ^^^^^ --------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 350 | pub fn finder(&self) -> Finder<'_, K, T, M> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.58s [INFO] running `Command { std: "docker" "inspect" "4416bfe75b333c82f9480d45d6c007688490c87881a2113dd8f58a9b7bbecc04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4416bfe75b333c82f9480d45d6c007688490c87881a2113dd8f58a9b7bbecc04", kill_on_drop: false }` [INFO] [stdout] 4416bfe75b333c82f9480d45d6c007688490c87881a2113dd8f58a9b7bbecc04