[INFO] fetching crate happylock 0.3.0... [INFO] checking happylock-0.3.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate happylock 0.3.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate happylock 0.3.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate happylock 0.3.0 [INFO] finished tweaking crates.io crate happylock 0.3.0 [INFO] tweaked toml for crates.io crate happylock 0.3.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate happylock 0.3.0 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d9faafb349231cbcc5d9d8f7ad10ee87b2e5ecb179823ccfd622ce31f415ad14 [INFO] running `Command { std: "docker" "start" "-a" "d9faafb349231cbcc5d9d8f7ad10ee87b2e5ecb179823ccfd622ce31f415ad14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d9faafb349231cbcc5d9d8f7ad10ee87b2e5ecb179823ccfd622ce31f415ad14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9faafb349231cbcc5d9d8f7ad10ee87b2e5ecb179823ccfd622ce31f415ad14", kill_on_drop: false }` [INFO] [stdout] d9faafb349231cbcc5d9d8f7ad10ee87b2e5ecb179823ccfd622ce31f415ad14 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d6acb5af100a2129df645a12cc27997169b9e9a7fedcc199acb78e71be9c74aa [INFO] running `Command { std: "docker" "start" "-a" "d6acb5af100a2129df645a12cc27997169b9e9a7fedcc199acb78e71be9c74aa", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Checking thread_local v1.1.8 [INFO] [stderr] Checking parking_lot_core v0.9.10 [INFO] [stderr] Checking parking_lot v0.12.2 [INFO] [stderr] Checking happylock v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::ptr::NonNull` [INFO] [stdout] --> src/collection/boxed.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::ptr::NonNull; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/collection/ref.rs:92:46 [INFO] [stdout] | [INFO] [stdout] 76 | impl<'a, L: OwnedLockable> RefLockCollection<'a, L> { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 92 | pub fn new(data: &'a L) -> RefLockCollection { [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/mutex/mutex.rs:153:74 [INFO] [stdout] | [INFO] [stdout] 153 | pub fn lock<'s, 'k: 's, Key: Keyable>(&'s self, key: Key) -> MutexGuard<'_, 'k, T, Key, R> { [INFO] [stdout] | -- lifetime `'s` declared here ^^ this elided lifetime gets resolved as `'s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/mutex/mutex.rs:193:25 [INFO] [stdout] | [INFO] [stdout] 190 | pub fn try_lock<'s, 'a: 's, 'k: 'a, Key: Keyable>( [INFO] [stdout] | -- lifetime `'s` declared here [INFO] [stdout] ... [INFO] [stdout] 193 | ) -> Option> { [INFO] [stdout] | ^^ this elided lifetime gets resolved as `'s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/rwlock/rwlock.rs:143:23 [INFO] [stdout] | [INFO] [stdout] 140 | pub fn read<'s, 'key: 's, Key: Keyable>( [INFO] [stdout] | -- lifetime `'s` declared here [INFO] [stdout] ... [INFO] [stdout] 143 | ) -> RwLockReadGuard<'_, 'key, T, Key, R> { [INFO] [stdout] | ^^ this elided lifetime gets resolved as `'s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/rwlock/rwlock.rs:175:30 [INFO] [stdout] | [INFO] [stdout] 172 | pub fn try_read<'s, 'key: 's, Key: Keyable>( [INFO] [stdout] | -- lifetime `'s` declared here [INFO] [stdout] ... [INFO] [stdout] 175 | ) -> Option> { [INFO] [stdout] | ^^ this elided lifetime gets resolved as `'s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/rwlock/rwlock.rs:225:24 [INFO] [stdout] | [INFO] [stdout] 222 | pub fn write<'s, 'key: 's, Key: Keyable>( [INFO] [stdout] | -- lifetime `'s` declared here [INFO] [stdout] ... [INFO] [stdout] 225 | ) -> RwLockWriteGuard<'_, 'key, T, Key, R> { [INFO] [stdout] | ^^ this elided lifetime gets resolved as `'s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/rwlock/rwlock.rs:258:31 [INFO] [stdout] | [INFO] [stdout] 255 | pub fn try_write<'s, 'key: 's, Key: Keyable>( [INFO] [stdout] | -- lifetime `'s` declared here [INFO] [stdout] ... [INFO] [stdout] 258 | ) -> Option> { [INFO] [stdout] | ^^ this elided lifetime gets resolved as `'s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/rwlock/read_lock.rs:66:23 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn lock<'s, 'key: 's, Key: Keyable + 'key>( [INFO] [stdout] | -- lifetime `'s` declared here [INFO] [stdout] ... [INFO] [stdout] 66 | ) -> RwLockReadGuard<'_, 'key, T, Key, R> { [INFO] [stdout] | ^^ this elided lifetime gets resolved as `'s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/rwlock/read_lock.rs:75:30 [INFO] [stdout] | [INFO] [stdout] 72 | pub fn try_lock<'s, 'key: 's, Key: Keyable + 'key>( [INFO] [stdout] | -- lifetime `'s` declared here [INFO] [stdout] ... [INFO] [stdout] 75 | ) -> Option> { [INFO] [stdout] | ^^ this elided lifetime gets resolved as `'s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/rwlock/write_lock.rs:68:24 [INFO] [stdout] | [INFO] [stdout] 65 | pub fn lock<'s, 'key: 's, Key: Keyable + 'key>( [INFO] [stdout] | -- lifetime `'s` declared here [INFO] [stdout] ... [INFO] [stdout] 68 | ) -> RwLockWriteGuard<'_, 'key, T, Key, R> { [INFO] [stdout] | ^^ this elided lifetime gets resolved as `'s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/rwlock/write_lock.rs:76:31 [INFO] [stdout] | [INFO] [stdout] 73 | pub fn try_lock<'s, 'key: 's, Key: Keyable + 'key>( [INFO] [stdout] | -- lifetime `'s` declared here [INFO] [stdout] ... [INFO] [stdout] 76 | ) -> Option> { [INFO] [stdout] | ^^ this elided lifetime gets resolved as `'s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ptr::NonNull` [INFO] [stdout] --> src/collection/boxed.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::ptr::NonNull; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/collection/ref.rs:92:46 [INFO] [stdout] | [INFO] [stdout] 76 | impl<'a, L: OwnedLockable> RefLockCollection<'a, L> { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 92 | pub fn new(data: &'a L) -> RefLockCollection { [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/mutex/mutex.rs:153:74 [INFO] [stdout] | [INFO] [stdout] 153 | pub fn lock<'s, 'k: 's, Key: Keyable>(&'s self, key: Key) -> MutexGuard<'_, 'k, T, Key, R> { [INFO] [stdout] | -- lifetime `'s` declared here ^^ this elided lifetime gets resolved as `'s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/mutex/mutex.rs:193:25 [INFO] [stdout] | [INFO] [stdout] 190 | pub fn try_lock<'s, 'a: 's, 'k: 'a, Key: Keyable>( [INFO] [stdout] | -- lifetime `'s` declared here [INFO] [stdout] ... [INFO] [stdout] 193 | ) -> Option> { [INFO] [stdout] | ^^ this elided lifetime gets resolved as `'s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/rwlock/rwlock.rs:143:23 [INFO] [stdout] | [INFO] [stdout] 140 | pub fn read<'s, 'key: 's, Key: Keyable>( [INFO] [stdout] | -- lifetime `'s` declared here [INFO] [stdout] ... [INFO] [stdout] 143 | ) -> RwLockReadGuard<'_, 'key, T, Key, R> { [INFO] [stdout] | ^^ this elided lifetime gets resolved as `'s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/rwlock/rwlock.rs:175:30 [INFO] [stdout] | [INFO] [stdout] 172 | pub fn try_read<'s, 'key: 's, Key: Keyable>( [INFO] [stdout] | -- lifetime `'s` declared here [INFO] [stdout] ... [INFO] [stdout] 175 | ) -> Option> { [INFO] [stdout] | ^^ this elided lifetime gets resolved as `'s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/rwlock/rwlock.rs:225:24 [INFO] [stdout] | [INFO] [stdout] 222 | pub fn write<'s, 'key: 's, Key: Keyable>( [INFO] [stdout] | -- lifetime `'s` declared here [INFO] [stdout] ... [INFO] [stdout] 225 | ) -> RwLockWriteGuard<'_, 'key, T, Key, R> { [INFO] [stdout] | ^^ this elided lifetime gets resolved as `'s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/rwlock/rwlock.rs:258:31 [INFO] [stdout] | [INFO] [stdout] 255 | pub fn try_write<'s, 'key: 's, Key: Keyable>( [INFO] [stdout] | -- lifetime `'s` declared here [INFO] [stdout] ... [INFO] [stdout] 258 | ) -> Option> { [INFO] [stdout] | ^^ this elided lifetime gets resolved as `'s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/rwlock/read_lock.rs:66:23 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn lock<'s, 'key: 's, Key: Keyable + 'key>( [INFO] [stdout] | -- lifetime `'s` declared here [INFO] [stdout] ... [INFO] [stdout] 66 | ) -> RwLockReadGuard<'_, 'key, T, Key, R> { [INFO] [stdout] | ^^ this elided lifetime gets resolved as `'s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/rwlock/read_lock.rs:75:30 [INFO] [stdout] | [INFO] [stdout] 72 | pub fn try_lock<'s, 'key: 's, Key: Keyable + 'key>( [INFO] [stdout] | -- lifetime `'s` declared here [INFO] [stdout] ... [INFO] [stdout] 75 | ) -> Option> { [INFO] [stdout] | ^^ this elided lifetime gets resolved as `'s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/rwlock/write_lock.rs:68:24 [INFO] [stdout] | [INFO] [stdout] 65 | pub fn lock<'s, 'key: 's, Key: Keyable + 'key>( [INFO] [stdout] | -- lifetime `'s` declared here [INFO] [stdout] ... [INFO] [stdout] 68 | ) -> RwLockWriteGuard<'_, 'key, T, Key, R> { [INFO] [stdout] | ^^ this elided lifetime gets resolved as `'s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/rwlock/write_lock.rs:76:31 [INFO] [stdout] | [INFO] [stdout] 73 | pub fn try_lock<'s, 'key: 's, Key: Keyable + 'key>( [INFO] [stdout] | -- lifetime `'s` declared here [INFO] [stdout] ... [INFO] [stdout] 76 | ) -> Option> { [INFO] [stdout] | ^^ this elided lifetime gets resolved as `'s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.75s [INFO] running `Command { std: "docker" "inspect" "d6acb5af100a2129df645a12cc27997169b9e9a7fedcc199acb78e71be9c74aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6acb5af100a2129df645a12cc27997169b9e9a7fedcc199acb78e71be9c74aa", kill_on_drop: false }` [INFO] [stdout] d6acb5af100a2129df645a12cc27997169b9e9a7fedcc199acb78e71be9c74aa