[INFO] fetching crate left-right 0.11.7...
[INFO] testing left-right-0.11.7 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] extracting crate left-right 0.11.7 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate left-right 0.11.7
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate left-right 0.11.7
[INFO] tweaked toml for crates.io crate left-right 0.11.7 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate left-right 0.11.7 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate left-right 0.11.7 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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0ca9e771ed674939a1d198feb9408f55e00d25ae9e3f92c732930bb71fac1b3
[INFO] running `Command { std: "docker" "start" "-a" "c0ca9e771ed674939a1d198feb9408f55e00d25ae9e3f92c732930bb71fac1b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0ca9e771ed674939a1d198feb9408f55e00d25ae9e3f92c732930bb71fac1b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0ca9e771ed674939a1d198feb9408f55e00d25ae9e3f92c732930bb71fac1b3", kill_on_drop: false }`
[INFO] [stdout] c0ca9e771ed674939a1d198feb9408f55e00d25ae9e3f92c732930bb71fac1b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 649b0bb52152f60348138a90c79b93e39b6895d55c097463862f29e1f907b34d
[INFO] running `Command { std: "docker" "start" "-a" "649b0bb52152f60348138a90c79b93e39b6895d55c097463862f29e1f907b34d", kill_on_drop: false }`
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling left-right v0.11.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "649b0bb52152f60348138a90c79b93e39b6895d55c097463862f29e1f907b34d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "649b0bb52152f60348138a90c79b93e39b6895d55c097463862f29e1f907b34d", kill_on_drop: false }`
[INFO] [stdout] 649b0bb52152f60348138a90c79b93e39b6895d55c097463862f29e1f907b34d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e43a9523c183f854880f2b2496b0f49a92de7fa9a8d913f958cd299fe27283d
[INFO] running `Command { std: "docker" "start" "-a" "0e43a9523c183f854880f2b2496b0f49a92de7fa9a8d913f958cd299fe27283d", kill_on_drop: false }`
[INFO] [stderr]    Compiling left-right v0.11.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `read`
[INFO] [stdout]    --> src/write.rs:614:17
[INFO] [stdout]     |
[INFO] [stdout] 614 |     use crate::{read, Absorb};
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/write.rs:709:20
[INFO] [stdout]     |
[INFO] [stdout] 709 |             w.wait(&mut test_epochs);
[INFO] [stdout]     |               ---- ^^^^^^^^^^^^^^^^ expected `CachePadded<Atomic<usize>>`, found `Atomic<usize>`
[INFO] [stdout]     |               |
[INFO] [stdout]     |               arguments to this method are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected mutable reference `&mut std::sync::MutexGuard<'_, Slab<Arc<CachePadded<Atomic<_>>>>>`
[INFO] [stdout]                found mutable reference `&mut std::sync::MutexGuard<'_, Slab<Arc<Atomic<_>>>>`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> src/write.rs:236:8
[INFO] [stdout]     |
[INFO] [stdout] 236 |     fn wait(&mut self, epochs: &mut MutexGuard<'_, slab::Slab<Arc<CachePadded<AtomicUsize>>>>) {
[INFO] [stdout]     |        ^^^^            ----------------------------------------------------------------------
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/write.rs:779:40
[INFO] [stdout]     |
[INFO] [stdout] 775 |         let idx = epochs_slab.insert(Arc::new(AtomicUsize::new(1))); // odd epoch, "in read"
[INFO] [stdout]     |                   -----------        ----------------------------- this argument has type `Arc<Atomic<usize>>`...
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   ... which causes `epochs_slab` to have type `Slab<Arc<Atomic<usize>>>`
[INFO] [stdout] ...
[INFO] [stdout] 779 |         w.epochs = Arc::new(Mutex::new(epochs_slab));
[INFO] [stdout]     |                             ---------- ^^^^^^^^^^^ expected `Slab<Arc<CachePadded<Atomic<usize>>>>`, found `Slab<Arc<Atomic<usize>>>`
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Slab<Arc<CachePadded<Atomic<_>>>>`
[INFO] [stdout]                found struct `Slab<Arc<Atomic<_>>>`
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sync/poison/mutex.rs:350:17
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/write.rs:787:40
[INFO] [stdout]     |
[INFO] [stdout] 784 |         let idx_ok = epochs_slab_ok.insert(Arc::new(AtomicUsize::new(2))); // advanced
[INFO] [stdout]     |                      --------------        ----------------------------- this argument has type `Arc<Atomic<usize>>`...
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      ... which causes `epochs_slab_ok` to have type `Slab<Arc<Atomic<usize>>>`
[INFO] [stdout] ...
[INFO] [stdout] 787 |         w.epochs = Arc::new(Mutex::new(epochs_slab_ok));
[INFO] [stdout]     |                             ---------- ^^^^^^^^^^^^^^ expected `Slab<Arc<CachePadded<Atomic<usize>>>>`, found `Slab<Arc<Atomic<usize>>>`
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Slab<Arc<CachePadded<Atomic<_>>>>`
[INFO] [stdout]                found struct `Slab<Arc<Atomic<_>>>`
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sync/poison/mutex.rs:350:17
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `left-right` (lib test) due to 3 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0e43a9523c183f854880f2b2496b0f49a92de7fa9a8d913f958cd299fe27283d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e43a9523c183f854880f2b2496b0f49a92de7fa9a8d913f958cd299fe27283d", kill_on_drop: false }`
[INFO] [stdout] 0e43a9523c183f854880f2b2496b0f49a92de7fa9a8d913f958cd299fe27283d
