[INFO] fetching crate algorist 0.10.1... [INFO] checking algorist-0.10.1 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate algorist 0.10.1 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate algorist 0.10.1 [INFO] finished tweaking crates.io crate algorist 0.10.1 [INFO] tweaked toml for crates.io crate algorist 0.10.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate algorist 0.10.1 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate algorist 0.10.1 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e4d5d14877a1c1f7780de7e0eec97806e5d807bf175c935139c0a4f3d0b268c9 [INFO] running `Command { std: "docker" "start" "-a" "e4d5d14877a1c1f7780de7e0eec97806e5d807bf175c935139c0a4f3d0b268c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e4d5d14877a1c1f7780de7e0eec97806e5d807bf175c935139c0a4f3d0b268c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4d5d14877a1c1f7780de7e0eec97806e5d807bf175c935139c0a4f3d0b268c9", kill_on_drop: false }` [INFO] [stdout] e4d5d14877a1c1f7780de7e0eec97806e5d807bf175c935139c0a4f3d0b268c9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b253d93ec53f43e5afc5874fb22b5e4448094ba3f0d4c1c286d8480c7f32485c [INFO] running `Command { std: "docker" "start" "-a" "b253d93ec53f43e5afc5874fb22b5e4448094ba3f0d4c1c286d8480c7f32485c", kill_on_drop: false }` [INFO] [stderr] Checking algorist v0.10.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/collections/arr_2d.rs:519:22 [INFO] [stdout] | [INFO] [stdout] 519 | pub fn adj_cells(&self, row: usize, col: usize, cell_type: AdjacentCells) -> Vec> { [INFO] [stdout] | ^^^^^ the lifetime is elided here ------- the same lifetime is hidden 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] 519 | pub fn adj_cells(&self, row: usize, col: usize, cell_type: AdjacentCells) -> Vec> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/collections/arr_2d.rs:558:17 [INFO] [stdout] | [INFO] [stdout] 558 | pub fn cell(&self, row: usize, col: usize) -> Cell { [INFO] [stdout] | ^^^^^ the lifetime is elided here ------- the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 558 | pub fn cell(&self, row: usize, col: usize) -> Cell<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/collections/arr_2d.rs:623:23 [INFO] [stdout] | [INFO] [stdout] 623 | pub fn min_by_key(&self, f: impl Fn(Cell) -> T) -> Option> { [INFO] [stdout] | ^^^^^ the lifetime is elided here ------- the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 623 | pub fn min_by_key(&self, f: impl Fn(Cell) -> T) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/collections/arr_2d.rs:519:22 [INFO] [stdout] | [INFO] [stdout] 519 | pub fn adj_cells(&self, row: usize, col: usize, cell_type: AdjacentCells) -> Vec> { [INFO] [stdout] | ^^^^^ the lifetime is elided here ------- the same lifetime is hidden 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] 519 | pub fn adj_cells(&self, row: usize, col: usize, cell_type: AdjacentCells) -> Vec> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/collections/arr_2d.rs:558:17 [INFO] [stdout] | [INFO] [stdout] 558 | pub fn cell(&self, row: usize, col: usize) -> Cell { [INFO] [stdout] | ^^^^^ the lifetime is elided here ------- the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 558 | pub fn cell(&self, row: usize, col: usize) -> Cell<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/collections/arr_2d.rs:623:23 [INFO] [stdout] | [INFO] [stdout] 623 | pub fn min_by_key(&self, f: impl Fn(Cell) -> T) -> Option> { [INFO] [stdout] | ^^^^^ the lifetime is elided here ------- the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 623 | pub fn min_by_key(&self, f: impl Fn(Cell) -> T) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.87s [INFO] running `Command { std: "docker" "inspect" "b253d93ec53f43e5afc5874fb22b5e4448094ba3f0d4c1c286d8480c7f32485c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b253d93ec53f43e5afc5874fb22b5e4448094ba3f0d4c1c286d8480c7f32485c", kill_on_drop: false }` [INFO] [stdout] b253d93ec53f43e5afc5874fb22b5e4448094ba3f0d4c1c286d8480c7f32485c