[INFO] fetching crate more-sync 0.1.5... [INFO] testing more-sync-0.1.5 against master#23949593103d03a82c7ebc2e84434ce6c6edc561 for pr-115235 [INFO] extracting crate more-sync 0.1.5 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate more-sync 0.1.5 on toolchain 23949593103d03a82c7ebc2e84434ce6c6edc561 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate more-sync 0.1.5 [INFO] finished tweaking crates.io crate more-sync 0.1.5 [INFO] tweaked toml for crates.io crate more-sync 0.1.5 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 12cb33b1c58d693fe17a1114a5ba2008ba1b11b536ab5342c9eb296fd2dc490e [INFO] running `Command { std: "docker" "start" "-a" "12cb33b1c58d693fe17a1114a5ba2008ba1b11b536ab5342c9eb296fd2dc490e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "12cb33b1c58d693fe17a1114a5ba2008ba1b11b536ab5342c9eb296fd2dc490e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12cb33b1c58d693fe17a1114a5ba2008ba1b11b536ab5342c9eb296fd2dc490e", kill_on_drop: false }` [INFO] [stdout] 12cb33b1c58d693fe17a1114a5ba2008ba1b11b536ab5342c9eb296fd2dc490e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4f0e1b00075fabf23a436905650b0b256e3be24cc8ef47c3e1c95084e2680fab [INFO] running `Command { std: "docker" "start" "-a" "4f0e1b00075fabf23a436905650b0b256e3be24cc8ef47c3e1c95084e2680fab", kill_on_drop: false }` [INFO] [stderr] Compiling more-sync v0.1.5 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.14s [INFO] running `Command { std: "docker" "inspect" "4f0e1b00075fabf23a436905650b0b256e3be24cc8ef47c3e1c95084e2680fab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f0e1b00075fabf23a436905650b0b256e3be24cc8ef47c3e1c95084e2680fab", kill_on_drop: false }` [INFO] [stdout] 4f0e1b00075fabf23a436905650b0b256e3be24cc8ef47c3e1c95084e2680fab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6e4358b49ef01cba3b538969a58c2328ad0fbe2ef91ea3e5e2ee2e3e0cf7472b [INFO] running `Command { std: "docker" "start" "-a" "6e4358b49ef01cba3b538969a58c2328ad0fbe2ef91ea3e5e2ee2e3e0cf7472b", kill_on_drop: false }` [INFO] [stderr] Compiling more-sync v0.1.5 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.68s [INFO] running `Command { std: "docker" "inspect" "6e4358b49ef01cba3b538969a58c2328ad0fbe2ef91ea3e5e2ee2e3e0cf7472b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e4358b49ef01cba3b538969a58c2328ad0fbe2ef91ea3e5e2ee2e3e0cf7472b", kill_on_drop: false }` [INFO] [stdout] 6e4358b49ef01cba3b538969a58c2328ad0fbe2ef91ea3e5e2ee2e3e0cf7472b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4b8c7589ae0e3fbf9c4f4d305fbb4f4933c41540669493b8ca4327b55a3f8e6c [INFO] running `Command { std: "docker" "start" "-a" "4b8c7589ae0e3fbf9c4f4d305fbb4f4933c41540669493b8ca4327b55a3f8e6c", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/more_sync-75ac9e80d588af64) [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test carrier::tests::test_ref ... ok [INFO] [stdout] test carrier::tests::test_basics ... ok [INFO] [stdout] test versioned_parker::tests::test_try_notify ... ok [INFO] [stdout] test versioned_parker::tests::test_multiple_notify ... ok [INFO] [stdout] test versioned_parker::tests::test_try_notify_mutate ... ok [INFO] [stdout] test versioned_parker::tests::test_basics ... ok [INFO] [stdout] test carrier::tests::test_panic_outstanding_arc - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stderr] Doc-tests more-sync [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/carrier/mod.rs - carrier::Carrier (line 20) ... FAILED [INFO] [stdout] test src/versioned_parker/mod.rs - versioned_parker::VersionedParker (line 20) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/carrier/mod.rs - carrier::Carrier (line 20) stdout ---- [INFO] [stdout] Test executable failed (exit status: 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at /opt/rustwide/workdir/src/carrier/mod.rs:99:9: [INFO] [stdout] assertion `left == right` failed: The carrier should not more than one outstanding Arc [INFO] [stdout] left: 2 [INFO] [stdout] right: 1 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x555c764e88ec - std::backtrace_rs::backtrace::libunwind::trace::hc56bfd85f78f2ac1 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x555c764e88ec - std::backtrace_rs::backtrace::trace_unsynchronized::h3a4cd0ee39c2ec51 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x555c764e88ec - std::sys_common::backtrace::_print_fmt::h7ec874d1114e2ca4 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x555c764e88ec - ::fmt::h9409967845944e27 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stdout] 4: 0x555c76508d9c - core::fmt::rt::Argument::fmt::h3548c9d6e288e4b2 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/core/src/fmt/rt.rs:138:9 [INFO] [stdout] 5: 0x555c76508d9c - core::fmt::write::h31bd00fc0f85031b [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/core/src/fmt/mod.rs:1094:21 [INFO] [stdout] 6: 0x555c764e63ce - std::io::Write::write_fmt::h12ff3642b3fdae7c [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/io/mod.rs:1714:15 [INFO] [stdout] 7: 0x555c764e86d4 - std::sys_common::backtrace::_print::h8ab9a59ea8fc9a86 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stdout] 8: 0x555c764e86d4 - std::sys_common::backtrace::print::hfe7afa943e316a5b [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stdout] 9: 0x555c764e9f4a - std::panicking::panic_hook_with_disk_dump::{{closure}}::hae52bf9a035c21dd [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panicking.rs:280:22 [INFO] [stdout] 10: 0x555c764e9c45 - std::panicking::panic_hook_with_disk_dump::hb6c613677d0ff679 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panicking.rs:314:9 [INFO] [stdout] 11: 0x555c764ea557 - std::panicking::default_hook::h30f1f7d228429c8b [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panicking.rs:239:5 [INFO] [stdout] 12: 0x555c764ea557 - std::panicking::rust_panic_with_hook::hd82d7066cdf9e06f [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panicking.rs:753:13 [INFO] [stdout] 13: 0x555c764ea451 - std::panicking::begin_panic_handler::{{closure}}::hf97c71166d409481 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panicking.rs:631:13 [INFO] [stdout] 14: 0x555c764e8e16 - std::sys_common::backtrace::__rust_end_short_backtrace::haa22df65c16edaa5 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/sys_common/backtrace.rs:170:18 [INFO] [stdout] 15: 0x555c764ea192 - rust_begin_unwind [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panicking.rs:619:5 [INFO] [stdout] 16: 0x555c764c4e95 - core::panicking::panic_fmt::h0e243d6d1945608c [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/core/src/panicking.rs:72:14 [INFO] [stdout] 17: 0x555c764c5261 - core::panicking::assert_failed_inner::hffe632e457f110bf [INFO] [stdout] 18: 0x555c764c9c2a - core::panicking::assert_failed::h620f6607947945f4 [INFO] [stdout] 19: 0x555c764cb940 - more_sync::carrier::Carrier::unwrap_or_panic::hfad42930bda56594 [INFO] [stdout] 20: 0x555c764cbd66 - more_sync::carrier::Carrier::wait::h52d1972171bce790 [INFO] [stdout] 21: 0x555c764cc333 - rust_out::main::_doctest_main_src_carrier_mod_rs_20_0::h09e855e858326756 [INFO] [stdout] 22: 0x555c764cc016 - rust_out::main::hf4c87d26bfb6fb8c [INFO] [stdout] 23: 0x555c764c7bf3 - core::ops::function::FnOnce::call_once::h32b65eb8c1bf6192 [INFO] [stdout] 24: 0x555c764c57b6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h020c0e485ff40330 [INFO] [stdout] 25: 0x555c764c6219 - std::rt::lang_start::{{closure}}::h8753e9b24b33301a [INFO] [stdout] 26: 0x555c764e3bbb - core::ops::function::impls:: for &F>::call_once::h4726f6f3a851560a [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/core/src/ops/function.rs:284:13 [INFO] [stdout] 27: 0x555c764e3bbb - std::panicking::try::do_call::hc0b3f36e2a66dd6c [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panicking.rs:526:40 [INFO] [stdout] 28: 0x555c764e3bbb - std::panicking::try::h05b5c74c4f9aadf8 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panicking.rs:490:19 [INFO] [stdout] 29: 0x555c764e3bbb - std::panic::catch_unwind::hce0d4583a8234ec4 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panic.rs:142:14 [INFO] [stdout] 30: 0x555c764e3bbb - std::rt::lang_start_internal::{{closure}}::hf9730986403b3d01 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/rt.rs:148:48 [INFO] [stdout] 31: 0x555c764e3bbb - std::panicking::try::do_call::h8cb7497c405f2fa0 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panicking.rs:526:40 [INFO] [stdout] 32: 0x555c764e3bbb - std::panicking::try::h2fb35b00fdcc5113 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panicking.rs:490:19 [INFO] [stdout] 33: 0x555c764e3bbb - std::panic::catch_unwind::h1c1cca9923a86aac [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panic.rs:142:14 [INFO] [stdout] 34: 0x555c764e3bbb - std::rt::lang_start_internal::hc99c520fca129d62 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/rt.rs:148:20 [INFO] [stdout] 35: 0x555c764c61f7 - std::rt::lang_start::h22c1af733575854b [INFO] [stdout] 36: 0x555c764cc565 - main [INFO] [stdout] 37: 0x7f351df93d90 - [INFO] [stdout] 38: 0x7f351df93e40 - __libc_start_main [INFO] [stdout] 39: 0x555c764c55b5 - _start [INFO] [stdout] 40: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/carrier/mod.rs - carrier::Carrier (line 20) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.53s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "4b8c7589ae0e3fbf9c4f4d305fbb4f4933c41540669493b8ca4327b55a3f8e6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b8c7589ae0e3fbf9c4f4d305fbb4f4933c41540669493b8ca4327b55a3f8e6c", kill_on_drop: false }` [INFO] [stdout] 4b8c7589ae0e3fbf9c4f4d305fbb4f4933c41540669493b8ca4327b55a3f8e6c