[INFO] fetching crate extra_waiters 1.0.1...
[INFO] testing extra_waiters-1.0.1 against try#bd7d74411512a3dd3b35d2f699c51dd2557c7e7e+cargoflags=-Zbuild-dir-new-layout for pr-149852-1
[INFO] extracting crate extra_waiters 1.0.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate extra_waiters 1.0.1
[INFO] finished tweaking crates.io crate extra_waiters 1.0.1
[INFO] tweaked toml for crates.io crate extra_waiters 1.0.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate extra_waiters 1.0.1 on toolchain bd7d74411512a3dd3b35d2f699c51dd2557c7e7e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding parking_lot_core v0.8.6 (available: v0.9.12)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a447474c7d1356877cd9902afbfbc5ca25bf2ae05226fd158d40f850583d2c03
[INFO] running `Command { std: "docker" "start" "-a" "a447474c7d1356877cd9902afbfbc5ca25bf2ae05226fd158d40f850583d2c03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a447474c7d1356877cd9902afbfbc5ca25bf2ae05226fd158d40f850583d2c03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a447474c7d1356877cd9902afbfbc5ca25bf2ae05226fd158d40f850583d2c03", kill_on_drop: false }`
[INFO] [stdout] a447474c7d1356877cd9902afbfbc5ca25bf2ae05226fd158d40f850583d2c03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "build" "--frozen" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] ebff46786dd10564849fedc6f7a704d50d92abb0b8aa962dab4dfd8921f006c7
[INFO] running `Command { std: "docker" "start" "-a" "ebff46786dd10564849fedc6f7a704d50d92abb0b8aa962dab4dfd8921f006c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling extra_waiters v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/spinlock_waiter.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn lock(&self) -> SpinlockGuard {
[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] 19 |     pub fn lock(&self) -> SpinlockGuard<'_> {
[INFO] [stdout]    |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/spinlock_waiter.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn try_lock(&self) -> Option<SpinlockGuard> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn try_lock(&self) -> Option<SpinlockGuard<'_>> {
[INFO] [stdout]    |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "ebff46786dd10564849fedc6f7a704d50d92abb0b8aa962dab4dfd8921f006c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebff46786dd10564849fedc6f7a704d50d92abb0b8aa962dab4dfd8921f006c7", kill_on_drop: false }`
[INFO] [stdout] ebff46786dd10564849fedc6f7a704d50d92abb0b8aa962dab4dfd8921f006c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "--no-run" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] c3eb26e6528e56ac61e83345e22abf04caa2a4571ba926778a2e0cbc3709fd13
[INFO] running `Command { std: "docker" "start" "-a" "c3eb26e6528e56ac61e83345e22abf04caa2a4571ba926778a2e0cbc3709fd13", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/spinlock_waiter.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn lock(&self) -> SpinlockGuard {
[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] 19 |     pub fn lock(&self) -> SpinlockGuard<'_> {
[INFO] [stdout]    |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/spinlock_waiter.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn try_lock(&self) -> Option<SpinlockGuard> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn try_lock(&self) -> Option<SpinlockGuard<'_>> {
[INFO] [stdout]    |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling extra_waiters v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/spinlock_waiter.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn lock(&self) -> SpinlockGuard {
[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] 19 |     pub fn lock(&self) -> SpinlockGuard<'_> {
[INFO] [stdout]    |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/spinlock_waiter.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn try_lock(&self) -> Option<SpinlockGuard> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn try_lock(&self) -> Option<SpinlockGuard<'_>> {
[INFO] [stdout]    |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "c3eb26e6528e56ac61e83345e22abf04caa2a4571ba926778a2e0cbc3709fd13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3eb26e6528e56ac61e83345e22abf04caa2a4571ba926778a2e0cbc3709fd13", kill_on_drop: false }`
[INFO] [stdout] c3eb26e6528e56ac61e83345e22abf04caa2a4571ba926778a2e0cbc3709fd13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 563c3f2f3d341157de67b975835d9976097a174cac0032fecfb9b228d955ffdb
[INFO] running `Command { std: "docker" "start" "-a" "563c3f2f3d341157de67b975835d9976097a174cac0032fecfb9b228d955ffdb", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/spinlock_waiter.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn lock(&self) -> SpinlockGuard {
[INFO] [stderr]    |                 ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn lock(&self) -> SpinlockGuard<'_> {
[INFO] [stderr]    |                                        ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/spinlock_waiter.rs:32:21
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn try_lock(&self) -> Option<SpinlockGuard> {
[INFO] [stderr]    |                     ^^^^^            ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn try_lock(&self) -> Option<SpinlockGuard<'_>> {
[INFO] [stderr]    |                                                   ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `extra_waiters` (lib) generated 2 warnings (run `cargo fix --lib -p extra_waiters` to apply 2 suggestions)
[INFO] [stderr] warning: `extra_waiters` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/extra_waiters/d55c7984cc402ca5/deps/extra_waiters-d55c7984cc402ca5)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test attentive_waiter::tests::wait ... ok
[INFO] [stdout] test once_waiter::tests::create ... ok
[INFO] [stdout] test attentive_waiter::tests::timeout ... ok
[INFO] [stdout] test spinlock_waiter::tests::create ... ok
[INFO] [stdout] test spinlock_waiter::tests::unlock ... ok
[INFO] [stdout] test attentive_waiter::tests::ensure_const ... ok
[INFO] [stdout] test spinlock_waiter::tests::lock ... ok
[INFO] [stdout] test attentive_waiter::tests::wait_hooked ... ok
[INFO] [stdout] test once_waiter::tests::ensure_once ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests extra_waiters
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/attentive_waiter.rs - attentive_waiter::AttentiveWaiter (line 21) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/attentive_waiter.rs - attentive_waiter::AttentiveWaiter (line 21) stdout ----
[INFO] [stdout] error[E0282]: type annotations needed for `Vec<_>`
[INFO] [stdout]   --> src/attentive_waiter.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | let mut items = Vec::new();
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |         if item.try_lock() {
[INFO] [stdout]    |            ---- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving `items` an explicit type, where the placeholders `_` are specified
[INFO] [stdout]    |
[INFO] [stdout] 31 | let mut items: Vec<T> = Vec::new();
[INFO] [stdout]    |              ++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/attentive_waiter.rs - attentive_waiter::AttentiveWaiter (line 21)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "563c3f2f3d341157de67b975835d9976097a174cac0032fecfb9b228d955ffdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "563c3f2f3d341157de67b975835d9976097a174cac0032fecfb9b228d955ffdb", kill_on_drop: false }`
[INFO] [stdout] 563c3f2f3d341157de67b975835d9976097a174cac0032fecfb9b228d955ffdb
