[INFO] fetching crate lf-queue 0.1.0... [INFO] testing lf-queue-0.1.0 against master#6c20ab744b0f82646d90ce9d25894823abc9c669 for pr-99093 [INFO] extracting crate lf-queue 0.1.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate lf-queue 0.1.0 on toolchain 6c20ab744b0f82646d90ce9d25894823abc9c669 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate lf-queue 0.1.0 [INFO] finished tweaking crates.io crate lf-queue 0.1.0 [INFO] tweaked toml for crates.io crate lf-queue 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] fc6f354d1431a25a06c60fcb0c21c2ca5a59dd5611d85b52ac046e2b106d6a76 [INFO] running `Command { std: "docker" "start" "-a" "fc6f354d1431a25a06c60fcb0c21c2ca5a59dd5611d85b52ac046e2b106d6a76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fc6f354d1431a25a06c60fcb0c21c2ca5a59dd5611d85b52ac046e2b106d6a76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc6f354d1431a25a06c60fcb0c21c2ca5a59dd5611d85b52ac046e2b106d6a76", kill_on_drop: false }` [INFO] [stdout] fc6f354d1431a25a06c60fcb0c21c2ca5a59dd5611d85b52ac046e2b106d6a76 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 78b093ed6c308c5cd6fc3a7095ba5e50b15769f2d871da2f5b7d72d77596e6c9 [INFO] running `Command { std: "docker" "start" "-a" "78b093ed6c308c5cd6fc3a7095ba5e50b15769f2d871da2f5b7d72d77596e6c9", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling lf-queue v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.60s [INFO] running `Command { std: "docker" "inspect" "78b093ed6c308c5cd6fc3a7095ba5e50b15769f2d871da2f5b7d72d77596e6c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78b093ed6c308c5cd6fc3a7095ba5e50b15769f2d871da2f5b7d72d77596e6c9", kill_on_drop: false }` [INFO] [stdout] 78b093ed6c308c5cd6fc3a7095ba5e50b15769f2d871da2f5b7d72d77596e6c9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4fa1309305879f5e3d54e3d5106f23af13fce7435e413f6e425da8cef3a93b43 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "4fa1309305879f5e3d54e3d5106f23af13fce7435e413f6e425da8cef3a93b43", kill_on_drop: false }` [INFO] [stderr] Compiling lf-queue v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.11s [INFO] running `Command { std: "docker" "inspect" "4fa1309305879f5e3d54e3d5106f23af13fce7435e413f6e425da8cef3a93b43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fa1309305879f5e3d54e3d5106f23af13fce7435e413f6e425da8cef3a93b43", kill_on_drop: false }` [INFO] [stdout] 4fa1309305879f5e3d54e3d5106f23af13fce7435e413f6e425da8cef3a93b43 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a68381a91e1fc844c010f96f1f524a1bb0795c260d0cefeea4e0cd4cd2ee64e0 [INFO] running `Command { std: "docker" "start" "-a" "a68381a91e1fc844c010f96f1f524a1bb0795c260d0cefeea4e0cd4cd2ee64e0", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lf_queue-c0d435f263738aff) [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] Running tests/loom_queue.rs (/opt/rustwide/target/debug/deps/loom_queue-bdc323a11ad19f4d) [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] Running tests/queue.rs (/opt/rustwide/target/debug/deps/queue-e064a884c5211f34) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test test_spsc ... ok [INFO] [stdout] test test_spmc ... ok [INFO] [stdout] test test_mpmc ... ok [INFO] [stdout] test test_mpsc ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s [INFO] [stdout] [INFO] [stderr] Doc-tests lf-queue [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test src/queue.rs - queue::Queue::pop (line 55) ... ok [INFO] [stdout] test src/queue.rs - queue::Queue::new (line 23) ... ok [INFO] [stdout] test src/queue.rs - queue::Queue::push (line 38) ... ok [INFO] [stdout] test src/lib.rs - (line 26) ... ok [INFO] [stdout] test src/lib.rs - (line 77) ... ok [INFO] [stdout] test src/lib.rs - (line 44) ... ok [INFO] [stdout] test src/lib.rs - (line 114) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 114) stdout ---- [INFO] [stdout] Test executable failed (exit status: 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'assertion failed: `(left == right)` [INFO] [stdout] left: `3`, [INFO] [stdout] right: `4`', src/lib.rs:49:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55c6ea111fa0 - std::backtrace_rs::backtrace::libunwind::trace::h5cec5ee957007983 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 1: 0x55c6ea111fa0 - std::backtrace_rs::backtrace::trace_unsynchronized::h3912ce6f9cd18e05 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55c6ea111fa0 - std::sys_common::backtrace::_print_fmt::h0b3fbca24cbc1b41 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x55c6ea111fa0 - ::fmt::hc7b35b5b2e247560 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x55c6ea12d04c - core::fmt::write::h2d806358caa3f689 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/core/src/fmt/mod.rs:1198:17 [INFO] [stdout] 5: 0x55c6ea10feb5 - std::io::Write::write_fmt::hdb0339c89484490f [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/io/mod.rs:1672:15 [INFO] [stdout] 6: 0x55c6ea113761 - std::sys_common::backtrace::_print::h51a933838ceebaa0 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x55c6ea113761 - std::sys_common::backtrace::print::hc53e3ead445b016c [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x55c6ea113761 - std::panicking::default_hook::{{closure}}::hbc895cb9b7ebea62 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x55c6ea113433 - std::panicking::default_hook::h664409a8548f2cc0 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/panicking.rs:314:9 [INFO] [stdout] 10: 0x55c6ea113e03 - std::panicking::rust_panic_with_hook::h947033eb042c9758 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x55c6ea113cf7 - std::panicking::begin_panic_handler::{{closure}}::haef8fa2237a58bae [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/panicking.rs:588:13 [INFO] [stdout] 12: 0x55c6ea112474 - std::sys_common::backtrace::__rust_end_short_backtrace::hadb599ff5bdd6123 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x55c6ea113a22 - rust_begin_unwind [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x55c6ea0ed753 - core::panicking::panic_fmt::hcf9e3bddea69ce9b [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/core/src/panicking.rs:142:14 [INFO] [stdout] 15: 0x55c6ea12c318 - core::panicking::assert_failed_inner::h1e9fbc1405071d83 [INFO] [stdout] 16: 0x55c6ea0f48d6 - core::panicking::assert_failed::h55ede67d928ae7be [INFO] [stdout] 17: 0x55c6ea0fb480 - rust_out::main::_doctest_main_src_lib_rs_114_0::h5b164eb7b4e2407f [INFO] [stdout] 18: 0x55c6ea0faff6 - rust_out::main::hc08e76984c2b2085 [INFO] [stdout] 19: 0x55c6ea0f1803 - core::ops::function::FnOnce::call_once::h4241b4f96347d31e [INFO] [stdout] 20: 0x55c6ea0ee4c9 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342363fa52c56112 [INFO] [stdout] 21: 0x55c6ea0eef49 - std::rt::lang_start::{{closure}}::hea2586bee8110692 [INFO] [stdout] 22: 0x55c6ea10ddea - core::ops::function::impls:: for &F>::call_once::h2032fb2878f388ae [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/core/src/ops/function.rs:280:13 [INFO] [stdout] 23: 0x55c6ea10ddea - std::panicking::try::do_call::h81e55b4ebfafb04e [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/panicking.rs:492:40 [INFO] [stdout] 24: 0x55c6ea10ddea - std::panicking::try::hced7d0ccc60af422 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/panicking.rs:456:19 [INFO] [stdout] 25: 0x55c6ea10ddea - std::panic::catch_unwind::h999bcdb7b9e7dcf6 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/panic.rs:137:14 [INFO] [stdout] 26: 0x55c6ea10ddea - std::rt::lang_start_internal::{{closure}}::hb513dc17c431de0d [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/rt.rs:128:48 [INFO] [stdout] 27: 0x55c6ea10ddea - std::panicking::try::do_call::h7a350cfb8efde1c6 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/panicking.rs:492:40 [INFO] [stdout] 28: 0x55c6ea10ddea - std::panicking::try::h9815d274c9256bb2 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/panicking.rs:456:19 [INFO] [stdout] 29: 0x55c6ea10ddea - std::panic::catch_unwind::h50b97da777fe5179 [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/panic.rs:137:14 [INFO] [stdout] 30: 0x55c6ea10ddea - std::rt::lang_start_internal::hc96aefd13d3bf34e [INFO] [stdout] at /rustc/6c20ab744b0f82646d90ce9d25894823abc9c669/library/std/src/rt.rs:128:20 [INFO] [stdout] 31: 0x55c6ea0eef31 - std::rt::lang_start::hdeb1dd85e09abdcb [INFO] [stdout] 32: 0x55c6ea0fb963 - main [INFO] [stdout] 33: 0x7fde09d1b083 - __libc_start_main [INFO] [stdout] 34: 0x55c6ea0ed94e - _start [INFO] [stdout] 35: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 114) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 6 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.07s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "a68381a91e1fc844c010f96f1f524a1bb0795c260d0cefeea4e0cd4cd2ee64e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a68381a91e1fc844c010f96f1f524a1bb0795c260d0cefeea4e0cd4cd2ee64e0", kill_on_drop: false }` [INFO] [stdout] a68381a91e1fc844c010f96f1f524a1bb0795c260d0cefeea4e0cd4cd2ee64e0