[INFO] fetching crate arcshift 0.3.1... [INFO] checking arcshift-0.3.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate arcshift 0.3.1 into /workspace/builds/worker-3-tc1/source [INFO] started tweaking crates.io crate arcshift 0.3.1 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate arcshift 0.3.1 [INFO] tweaked toml for crates.io crate arcshift 0.3.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate arcshift 0.3.1 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate arcshift 0.3.1 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded once_cell v1.21.2 [INFO] [stderr] Downloaded owo-colors v3.5.0 [INFO] [stderr] Downloaded mutants v0.0.3 [INFO] [stderr] Downloaded assoc v0.1.3 [INFO] [stderr] Downloaded generator v0.8.4 [INFO] [stderr] Downloaded rand_pcg v0.3.1 [INFO] [stderr] Downloaded shuttle v0.7.1 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e930b593bb5693392cf87352f4280b7956f10419ec3602f8cc62984c4f386733 [INFO] running `Command { std: "docker" "start" "-a" "e930b593bb5693392cf87352f4280b7956f10419ec3602f8cc62984c4f386733", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e930b593bb5693392cf87352f4280b7956f10419ec3602f8cc62984c4f386733", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e930b593bb5693392cf87352f4280b7956f10419ec3602f8cc62984c4f386733", kill_on_drop: false }` [INFO] [stdout] e930b593bb5693392cf87352f4280b7956f10419ec3602f8cc62984c4f386733 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ff9f6503fb37a4b9ca8c42432d240b391b90caa254fb1e0baa0018f79a591746 [INFO] running `Command { std: "docker" "start" "-a" "ff9f6503fb37a4b9ca8c42432d240b391b90caa254fb1e0baa0018f79a591746", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.171 [INFO] [stderr] Compiling zerocopy v0.8.24 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling mutants v0.0.3 [INFO] [stderr] Checking arcshift v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] error: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:3241:23 [INFO] [stdout] | [INFO] [stdout] 3241 | pub fn shared_get(&self) -> SharedGetGuard { [INFO] [stdout] | ^^^^^ ----------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(mismatched_lifetime_syntaxes)]` implied by `#[deny(warnings)]` [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 3241 | pub fn shared_get(&self) -> SharedGetGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/cell.rs:134:19 [INFO] [stdout] | [INFO] [stdout] 134 | pub fn borrow(&self) -> ArcShiftCellHandle { [INFO] [stdout] | ^^^^^ --------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 134 | pub fn borrow(&self) -> ArcShiftCellHandle<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `arcshift` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "ff9f6503fb37a4b9ca8c42432d240b391b90caa254fb1e0baa0018f79a591746", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff9f6503fb37a4b9ca8c42432d240b391b90caa254fb1e0baa0018f79a591746", kill_on_drop: false }` [INFO] [stdout] ff9f6503fb37a4b9ca8c42432d240b391b90caa254fb1e0baa0018f79a591746