[INFO] fetching crate crossbeam-epoch 0.9.15...
[INFO] testing crossbeam-epoch-0.9.15 against 1.76.0 for beta-1.77-1
[INFO] extracting crate crossbeam-epoch 0.9.15 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate crossbeam-epoch 0.9.15 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crossbeam-epoch 0.9.15
[INFO] finished tweaking crates.io crate crossbeam-epoch 0.9.15
[INFO] tweaked toml for crates.io crate crossbeam-epoch 0.9.15 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate crossbeam-epoch 0.9.15 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded generator v0.7.4
[INFO] [stderr]   Downloaded loom v0.5.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dedc81405852aebfde20b6bc6222faf15953d95fa6596f3c738a1c1a9b953a39
[INFO] running `Command { std: "docker" "start" "-a" "dedc81405852aebfde20b6bc6222faf15953d95fa6596f3c738a1c1a9b953a39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dedc81405852aebfde20b6bc6222faf15953d95fa6596f3c738a1c1a9b953a39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dedc81405852aebfde20b6bc6222faf15953d95fa6596f3c738a1c1a9b953a39", kill_on_drop: false }`
[INFO] [stdout] dedc81405852aebfde20b6bc6222faf15953d95fa6596f3c738a1c1a9b953a39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11e449cdf1ed005b6d26297abc2a7840bd0e10979fb7ecc987d5a28d78237eac
[INFO] running `Command { std: "docker" "start" "-a" "11e449cdf1ed005b6d26297abc2a7840bd0e10979fb7ecc987d5a28d78237eac", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "11e449cdf1ed005b6d26297abc2a7840bd0e10979fb7ecc987d5a28d78237eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11e449cdf1ed005b6d26297abc2a7840bd0e10979fb7ecc987d5a28d78237eac", kill_on_drop: false }`
[INFO] [stdout] 11e449cdf1ed005b6d26297abc2a7840bd0e10979fb7ecc987d5a28d78237eac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c287ba84dead4b7fc67ed34aba77057e783b4453c9b349b100f0b4be63bc0f01
[INFO] running `Command { std: "docker" "start" "-a" "c287ba84dead4b7fc67ed34aba77057e783b4453c9b349b100f0b4be63bc0f01", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.19s
[INFO] running `Command { std: "docker" "inspect" "c287ba84dead4b7fc67ed34aba77057e783b4453c9b349b100f0b4be63bc0f01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c287ba84dead4b7fc67ed34aba77057e783b4453c9b349b100f0b4be63bc0f01", kill_on_drop: false }`
[INFO] [stdout] c287ba84dead4b7fc67ed34aba77057e783b4453c9b349b100f0b4be63bc0f01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e9a51cef5acc3dc2adaa337b6076a948eb303206874210f7d794a41cd6ee3118
[INFO] running `Command { std: "docker" "start" "-a" "e9a51cef5acc3dc2adaa337b6076a948eb303206874210f7d794a41cd6ee3118", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/crossbeam_epoch-b36e1060c54616bd)
[INFO] [stdout] 
[INFO] [stdout] running 39 tests
[INFO] [stdout] test atomic::tests::valid_tag_i8 ... ok
[INFO] [stdout] test atomic::tests::array_init ... ok
[INFO] [stdout] test atomic::tests::valid_tag_i64 ... ok
[INFO] [stdout] test collector::tests::garbage_buffering ... ok
[INFO] [stdout] test deferred::tests::boxed_slice_i32 ... ok
[INFO] [stdout] test atomic::tests::const_atomic_null ... ok
[INFO] [stdout] test deferred::tests::on_heap ... ok
[INFO] [stdout] test deferred::tests::long_slice_usize ... ok
[INFO] [stdout] test collector::tests::flush_local_bag ... ok
[INFO] [stdout] test collector::tests::drop_array ... ok
[INFO] [stdout] test collector::tests::pin_reentrant ... ok
[INFO] [stdout] test deferred::tests::string ... ok
[INFO] [stdout] test internal::tests::check_bag ... ok
[INFO] [stdout] test deferred::tests::on_stack ... ok
[INFO] [stdout] test default::tests::pin_while_exiting ... ok
[INFO] [stdout] test internal::local_size ... ok
[INFO] [stdout] test sync::list::tests::insert ... ok
[INFO] [stdout] test sync::queue::test::push_pop_1 ... ok
[INFO] [stdout] test sync::queue::test::push_pop_2 ... ok
[INFO] [stdout] test sync::queue::test::push_pop_many_seq ... ok
[INFO] [stdout] test internal::tests::check_defer ... ok
[INFO] [stdout] test sync::list::tests::delete ... ok
[INFO] [stdout] test sync::queue::test::is_empty_dont_pop ... ok
[INFO] [stdout] test sync::queue::test::push_try_pop_2 ... ok
[INFO] [stdout] test sync::queue::test::push_try_pop_1 ... ok
[INFO] [stdout] test sync::queue::test::push_try_pop_many_seq ... ok
[INFO] [stdout] test sync::list::tests::insert_delete_multi ... ok
[INFO] [stdout] test collector::tests::buffering ... ok
[INFO] [stdout] test collector::tests::destroy_array ... ok
[INFO] [stdout] test sync::list::tests::iter_multi ... ok
[INFO] [stdout] test collector::tests::count_drops ... ok
[INFO] [stdout] test collector::tests::incremental ... ok
[INFO] [stdout] test collector::tests::count_destroy ... ok
[INFO] [stdout] test sync::queue::test::push_try_pop_many_mpmc ... ok
[INFO] [stdout] test collector::tests::pin_holds_advance ... ok
[INFO] [stdout] test collector::tests::stress ... ok
[INFO] [stdout] test sync::queue::test::push_try_pop_many_spsc ... ok
[INFO] [stdout] test sync::queue::test::push_pop_many_spsc ... ok
[INFO] [stdout] test sync::queue::test::push_try_pop_many_spmc ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 39 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.34s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/loom.rs (/opt/rustwide/target/debug/deps/loom-6b427fa0ac4d139a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests crossbeam-epoch
[INFO] [stdout] 
[INFO] [stdout] running 59 tests
[INFO] [stdout] test src/atomic.rs - atomic::Array (line 235) ... ok
[INFO] [stdout] test src/atomic.rs - atomic::Atomic<T>::from (line 1029) ... ok
[INFO] [stdout] test src/atomic.rs - atomic::Atomic<T>::from (line 984) ... ok
[INFO] [stdout] test src/atomic.rs - atomic::Atomic<T>::fetch_or (line 811) ... ok
[INFO] [stdout] test src/atomic.rs - atomic::Atomic<T>::fetch_update (line 609) ... ok
[INFO] [stdout] test src/atomic.rs - atomic::Atomic<T>::load (line 371) ... ok
[INFO] [stdout] test src/atomic.rs - atomic::Atomic<T>::fetch_and (line 788) ... ok
[INFO] [stdout] test src/atomic.rs - atomic::Atomic<T>::compare_and_set (line 669) ... ok
[INFO] [stdout] test src/atomic.rs - atomic::Atomic<T>::fetch_xor (line 834) ... ok
[INFO] [stdout] test src/atomic.rs - atomic::Atomic<T>::from (line 1014) ... ok
[INFO] [stdout] test src/atomic.rs - atomic::Atomic<T>::into_owned (line 864) ... ok
[INFO] [stdout] test src/atomic.rs - atomic::Atomic<T>::init (line 320) ... ok
[INFO] [stdout] test src/atomic.rs - atomic::Atomic<T>::compare_exchange (line 471) ... ok
[INFO] [stdout] test src/atomic.rs - atomic::Atomic<T>::compare_exchange_weak (line 528) ... ok
[INFO] [stdout] test src/atomic.rs - atomic::Atomic<T>::compare_and_set_weak (line 728) ... ok
[INFO] [stdout] test src/atomic.rs - atomic::Atomic<T>::load_consume (line 398) ... ok
[INFO] [stdout] test src/atomic.rs - atomic::Atomic<T>::null (line 342) ... ok
[INFO] [stdout] test src/atomic.rs - atomic::Atomic<T>::new (line 304) ... ok
[INFO] [stdout] test src/atomic.rs - atomic::Atomic<T>::try_into_owned (line 908) ... ok
[INFO] [stdout] test src/atomic.rs - atomic::Owned<T>::from_raw (line 1106) ... ok
[INFO] [stdout] test src/atomic.rs - atomic::Owned<T>::tag (line 1183) ... ok
[INFO] [stdout] test src/atomic.rs - atomic::Owned<T>::init (line 1153) ... ok
[INFO] [stdout] test src/atomic.rs - atomic::Atomic<T>::store (line 417) ... ok
[INFO] [stdout] test src/atomic.rs - atomic::Owned<T>::new (line 1138) ... ok
[INFO] [stdout] test src/atomic.rs - atomic::Owned<T>::into_box (line 1121) ... ok
[INFO] [stdout] test src/atomic.rs - atomic::Atomic<T>::swap (line 439) ... ok
[INFO] [stdout] test src/atomic.rs - atomic::Owned<T>::from (line 1269) ... ok
[INFO] [stdout] test src/atomic.rs - atomic::Owned<T>::into_shared (line 1166) ... ok
[INFO] [stdout] test src/atomic.rs - atomic::Owned<T>::with_tag (line 1198) ... ok
[INFO] [stdout] test src/atomic.rs - atomic::Pointable (line 144) ... ok
[INFO] [stdout] test src/atomic.rs - atomic::Shared<'_,T>::from (line 1633) ... ok
[INFO] [stdout] test src/guard.rs - guard::Guard::defer_destroy (line 229) ... ignored
[INFO] [stdout] test src/atomic.rs - atomic::Shared<'g,T>::as_raw (line 1345) ... ok
[INFO] [stdout] test src/atomic.rs - atomic::Shared<'g,T>::null (line 1369) ... ok
[INFO] [stdout] test src/guard.rs - guard::Guard::defer_unchecked (line 143) ... ignored
[INFO] [stdout] test src/atomic.rs - atomic::Shared<'g,T>::into_owned (line 1535) ... ok
[INFO] [stdout] test src/atomic.rs - atomic::Shared<'g,T>::deref (line 1422) ... ok
[INFO] [stdout] test src/atomic.rs - atomic::Shared<'g,T>::as_ref (line 1501) ... ok
[INFO] [stdout] test src/atomic.rs - atomic::Shared<'g,T>::is_null (line 1386) ... ok
[INFO] [stdout] test src/atomic.rs - atomic::Shared<'g,T>::deref_mut (line 1454) ... ok
[INFO] [stdout] test src/guard.rs - guard::Guard (line 17) ... ok
[INFO] [stdout] test src/sync/list.rs - sync::list::IsElement (line 28) ... ignored
[INFO] [stdout] test src/sync/list.rs - sync::list::IsElement (line 59) ... ignored
[INFO] [stdout] test src/sync/list.rs - sync::list::IsElement::element_of (line 73) ... ignored
[INFO] [stdout] test src/atomic.rs - atomic::Shared<'g,T>::try_into_owned (line 1560) ... ok
[INFO] [stdout] test src/collector.rs - collector::fmt (line 5) ... ok
[INFO] [stdout] test src/atomic.rs - atomic::Shared<'g,T>::tag (line 1585) ... ok
[INFO] [stdout] test src/atomic.rs - atomic::Shared<'g,T>::with_tag (line 1605) ... ok
[INFO] [stdout] test src/guard.rs - guard::Guard (line 32) ... ok
[INFO] [stdout] test src/guard.rs - guard::unprotected (line 440) ... FAILED
[INFO] [stdout] test src/guard.rs - guard::Guard::collector (line 396) ... ok
[INFO] [stdout] test src/guard.rs - guard::Guard (line 58) ... ok
[INFO] [stdout] test src/guard.rs - guard::Guard::defer_destroy (line 246) ... ok
[INFO] [stdout] test src/guard.rs - guard::unprotected (line 471) ... ok
[INFO] [stdout] test src/guard.rs - guard::Guard::defer_unchecked (line 123) ... ok
[INFO] [stdout] test src/guard.rs - guard::Guard::flush (line 285) ... ok
[INFO] [stdout] test src/guard.rs - guard::Guard::defer_unchecked (line 160) ... ok
[INFO] [stdout] test src/guard.rs - guard::Guard::repin (line 311) ... ok
[INFO] [stdout] test src/guard.rs - guard::Guard::repin_after (line 346) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/guard.rs - guard::unprotected (line 440) stdout ----
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/guard.rs:451:38
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let dummy = &epoch::unprotected().clone();
[INFO] [stdout]    |                                      ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Guard` does not implement `Clone`, so calling `clone` on `&Guard` copies the reference, which does not do anything and can be removed
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/guard.rs:438:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![deny(warnings, rust_2018_idioms)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(noop_method_call)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/guard.rs - guard::unprotected (line 440)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 53 passed; 1 failed; 5 ignored; 0 measured; 0 filtered out; finished in 1.08s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "e9a51cef5acc3dc2adaa337b6076a948eb303206874210f7d794a41cd6ee3118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9a51cef5acc3dc2adaa337b6076a948eb303206874210f7d794a41cd6ee3118", kill_on_drop: false }`
[INFO] [stdout] e9a51cef5acc3dc2adaa337b6076a948eb303206874210f7d794a41cd6ee3118
