[INFO] fetching crate sharded_mutex 2.1.0... [INFO] checking sharded_mutex-2.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate sharded_mutex 2.1.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate sharded_mutex 2.1.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate sharded_mutex 2.1.0 [INFO] finished tweaking crates.io crate sharded_mutex 2.1.0 [INFO] tweaked toml for crates.io crate sharded_mutex 2.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 22 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 62f8cd618dce50fa8fb379b5e2bb7d6be1d40867695266db8d63a7e54e905371 [INFO] running `Command { std: "docker" "start" "-a" "62f8cd618dce50fa8fb379b5e2bb7d6be1d40867695266db8d63a7e54e905371", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "62f8cd618dce50fa8fb379b5e2bb7d6be1d40867695266db8d63a7e54e905371", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "62f8cd618dce50fa8fb379b5e2bb7d6be1d40867695266db8d63a7e54e905371", kill_on_drop: false }` [INFO] [stdout] 62f8cd618dce50fa8fb379b5e2bb7d6be1d40867695266db8d63a7e54e905371 [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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7b44b6e06ae8cfd13fa13a1720f28cea2ba18d5821761bb496abaf622ce651f5 [INFO] running `Command { std: "docker" "start" "-a" "7b44b6e06ae8cfd13fa13a1720f28cea2ba18d5821761bb496abaf622ce651f5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking assoc_static v1.0.0 [INFO] [stderr] Checking assoc_threadlocal v0.0.1 [INFO] [stderr] Compiling mutants v0.0.3 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking sharded_mutex v2.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/lib.rs:482:34 [INFO] [stdout] | [INFO] [stdout] 422 | impl<'a, T, TAG> ShardedMutexGuard<'a, T, TAG> [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 482 | ) -> Result, ShardedMutexGuard> [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/lib.rs:482:62 [INFO] [stdout] | [INFO] [stdout] 422 | impl<'a, T, TAG> ShardedMutexGuard<'a, T, TAG> [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 482 | ) -> Result, ShardedMutexGuard> [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/lib.rs:482:34 [INFO] [stdout] | [INFO] [stdout] 422 | impl<'a, T, TAG> ShardedMutexGuard<'a, T, TAG> [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 482 | ) -> Result, ShardedMutexGuard> [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/lib.rs:482:62 [INFO] [stdout] | [INFO] [stdout] 422 | impl<'a, T, TAG> ShardedMutexGuard<'a, T, TAG> [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 482 | ) -> Result, ShardedMutexGuard> [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for the crate [INFO] [stdout] --> tests/integration.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / use sharded_mutex::*; [INFO] [stdout] 2 | | [INFO] [stdout] 3 | | #[test] [INFO] [stdout] 4 | | fn simple_i32() { [INFO] [stdout] ... | [INFO] [stdout] 80 | | assert_eq!(y.lock().0, 234); [INFO] [stdout] 81 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-W missing-docs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.68s [INFO] running `Command { std: "docker" "inspect" "7b44b6e06ae8cfd13fa13a1720f28cea2ba18d5821761bb496abaf622ce651f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b44b6e06ae8cfd13fa13a1720f28cea2ba18d5821761bb496abaf622ce651f5", kill_on_drop: false }` [INFO] [stdout] 7b44b6e06ae8cfd13fa13a1720f28cea2ba18d5821761bb496abaf622ce651f5