[INFO] fetching crate ringu 0.1.1...
[INFO] testing ringu-0.1.1 against beta-2021-08-22 for beta-1.55-2
[INFO] extracting crate ringu 0.1.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate ringu 0.1.1 on toolchain beta-2021-08-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ringu 0.1.1
[INFO] finished tweaking crates.io crate ringu 0.1.1
[INFO] tweaked toml for crates.io crate ringu 0.1.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd65d1b3481223f9dba417cb07fda3981a831f48805232285cfec92991197d1d
[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" "dd65d1b3481223f9dba417cb07fda3981a831f48805232285cfec92991197d1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd65d1b3481223f9dba417cb07fda3981a831f48805232285cfec92991197d1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd65d1b3481223f9dba417cb07fda3981a831f48805232285cfec92991197d1d", kill_on_drop: false }`
[INFO] [stdout] dd65d1b3481223f9dba417cb07fda3981a831f48805232285cfec92991197d1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25ec461d1dd504683c689a3efc95b18fdd2b34618aa885b3c3ff076412093a64
[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" "25ec461d1dd504683c689a3efc95b18fdd2b34618aa885b3c3ff076412093a64", kill_on_drop: false }`
[INFO] [stderr]    Compiling ringu v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/lib.rs:75:29
[INFO] [stdout]    |
[INFO] [stdout] 75 |         core::sync::atomic::spin_loop_hint();
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/lib.rs:63:29
[INFO] [stdout]    |
[INFO] [stdout] 63 |         while self.mut_lock.compare_and_swap(false, true, Ordering::Acquire) != false {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/lib.rs:71:23
[INFO] [stdout]    |
[INFO] [stdout] 71 |         self.mut_lock.compare_and_swap(true, false, Ordering::Acquire);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "25ec461d1dd504683c689a3efc95b18fdd2b34618aa885b3c3ff076412093a64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25ec461d1dd504683c689a3efc95b18fdd2b34618aa885b3c3ff076412093a64", kill_on_drop: false }`
[INFO] [stdout] 25ec461d1dd504683c689a3efc95b18fdd2b34618aa885b3c3ff076412093a64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb6b3e3b4a356adab36a461fcf48d17938edc235bc8c115d7996c49c9ea8318e
[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" "bb6b3e3b4a356adab36a461fcf48d17938edc235bc8c115d7996c49c9ea8318e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ringu v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/lib.rs:75:29
[INFO] [stdout]    |
[INFO] [stdout] 75 |         core::sync::atomic::spin_loop_hint();
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/lib.rs:63:29
[INFO] [stdout]    |
[INFO] [stdout] 63 |         while self.mut_lock.compare_and_swap(false, true, Ordering::Acquire) != false {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/lib.rs:71:23
[INFO] [stdout]    |
[INFO] [stdout] 71 |         self.mut_lock.compare_and_swap(true, false, Ordering::Acquire);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/lib.rs:75:29
[INFO] [stdout]    |
[INFO] [stdout] 75 |         core::sync::atomic::spin_loop_hint();
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/lib.rs:167:29
[INFO] [stdout]     |
[INFO] [stdout] 167 |         core::sync::atomic::spin_loop_hint();
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/lib.rs:63:29
[INFO] [stdout]    |
[INFO] [stdout] 63 |         while self.mut_lock.compare_and_swap(false, true, Ordering::Acquire) != false {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/lib.rs:71:23
[INFO] [stdout]    |
[INFO] [stdout] 71 |         self.mut_lock.compare_and_swap(true, false, Ordering::Acquire);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "bb6b3e3b4a356adab36a461fcf48d17938edc235bc8c115d7996c49c9ea8318e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb6b3e3b4a356adab36a461fcf48d17938edc235bc8c115d7996c49c9ea8318e", kill_on_drop: false }`
[INFO] [stdout] bb6b3e3b4a356adab36a461fcf48d17938edc235bc8c115d7996c49c9ea8318e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ed5c0e0f33afbede5ed9fe81971f62862202aa37f6b84e6bac8687a1dda09eda
[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" "ed5c0e0f33afbede5ed9fe81971f62862202aa37f6b84e6bac8687a1dda09eda", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stderr]   --> src/lib.rs:75:29
[INFO] [stderr]    |
[INFO] [stderr] 75 |         core::sync::atomic::spin_loop_hint();
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `core::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]   --> src/lib.rs:63:29
[INFO] [stderr]    |
[INFO] [stderr] 63 |         while self.mut_lock.compare_and_swap(false, true, Ordering::Acquire) != false {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `core::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]   --> src/lib.rs:71:23
[INFO] [stderr]    |
[INFO] [stderr] 71 |         self.mut_lock.compare_and_swap(true, false, Ordering::Acquire);
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ringu` (lib) generated 3 warnings
[INFO] [stderr] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stderr]   --> src/lib.rs:75:29
[INFO] [stderr]    |
[INFO] [stderr] 75 |         core::sync::atomic::spin_loop_hint();
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stderr]    --> src/lib.rs:167:29
[INFO] [stderr]     |
[INFO] [stderr] 167 |         core::sync::atomic::spin_loop_hint();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]   --> src/lib.rs:63:29
[INFO] [stderr]    |
[INFO] [stderr] 63 |         while self.mut_lock.compare_and_swap(false, true, Ordering::Acquire) != false {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]   --> src/lib.rs:71:23
[INFO] [stderr]    |
[INFO] [stderr] 71 |         self.mut_lock.compare_and_swap(true, false, Ordering::Acquire);
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ringu` (lib test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ringu-4ceb5c940686af86)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::multithread_write_read ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::multithread_write_read stdout ----
[INFO] [stdout] read_attempts: 1536 outer_read_count: 256
[INFO] [stdout] blocked writes: 256
[INFO] [stdout] thread 'tests::multithread_write_read' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `0`,
[INFO] [stdout]  right: `256`', src/lib.rs:227:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55953ab3e830 - std::backtrace_rs::backtrace::libunwind::trace::hff4d1766e93f64f1
[INFO] [stdout]                                at /rustc/bf16ca353c82d9051dbd1a4cfc5a01a1800578e9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55953ab3e830 - std::backtrace_rs::backtrace::trace_unsynchronized::h56bbc8eb78770bcb
[INFO] [stdout]                                at /rustc/bf16ca353c82d9051dbd1a4cfc5a01a1800578e9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55953ab3e830 - std::sys_common::backtrace::_print_fmt::h5c8e75464faca780
[INFO] [stdout]                                at /rustc/bf16ca353c82d9051dbd1a4cfc5a01a1800578e9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55953ab3e830 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h48b88277def8b362
[INFO] [stdout]                                at /rustc/bf16ca353c82d9051dbd1a4cfc5a01a1800578e9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55953ab6104c - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stdout]                                at /rustc/bf16ca353c82d9051dbd1a4cfc5a01a1800578e9/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x55953ab3b795 - std::io::Write::write_fmt::h5f34a676f60246b5
[INFO] [stdout]                                at /rustc/bf16ca353c82d9051dbd1a4cfc5a01a1800578e9/library/std/src/io/mod.rs:1665:15
[INFO] [stdout]    6:     0x55953ab409ab - std::sys_common::backtrace::_print::ha537687d6c17dd0d
[INFO] [stdout]                                at /rustc/bf16ca353c82d9051dbd1a4cfc5a01a1800578e9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55953ab409ab - std::sys_common::backtrace::print::h61376ae57d131d72
[INFO] [stdout]                                at /rustc/bf16ca353c82d9051dbd1a4cfc5a01a1800578e9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55953ab409ab - std::panicking::default_hook::{{closure}}::h0f7208c0b9644a54
[INFO] [stdout]                                at /rustc/bf16ca353c82d9051dbd1a4cfc5a01a1800578e9/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55953ab404bc - std::panicking::default_hook::hdac7fc06578c14ce
[INFO] [stdout]                                at /rustc/bf16ca353c82d9051dbd1a4cfc5a01a1800578e9/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55953ab41074 - std::panicking::rust_panic_with_hook::h72b21c283da3d1ef
[INFO] [stdout]                                at /rustc/bf16ca353c82d9051dbd1a4cfc5a01a1800578e9/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x55953ab40b57 - std::panicking::begin_panic_handler::{{closure}}::he5778f1729cff84a
[INFO] [stdout]                                at /rustc/bf16ca353c82d9051dbd1a4cfc5a01a1800578e9/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x55953ab3ed0c - std::sys_common::backtrace::__rust_end_short_backtrace::h2d11ca8b453b4b1d
[INFO] [stdout]                                at /rustc/bf16ca353c82d9051dbd1a4cfc5a01a1800578e9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55953ab40ab9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/bf16ca353c82d9051dbd1a4cfc5a01a1800578e9/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x55953aae73b1 - core::panicking::panic_fmt::hf9de31d4acbce4db
[INFO] [stdout]                                at /rustc/bf16ca353c82d9051dbd1a4cfc5a01a1800578e9/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55953ab5f968 - core::panicking::assert_failed_inner::h62e8cb2847a6e7ec
[INFO] [stdout]   16:     0x55953aaedbda - core::panicking::assert_failed::h72a4192b5fd23cd5
[INFO] [stdout]                                at /rustc/bf16ca353c82d9051dbd1a4cfc5a01a1800578e9/library/core/src/panicking.rs:117:5
[INFO] [stdout]   17:     0x55953aaefbbe - ringu::tests::multithread_write_read::h230cdb0822c258f2
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:227:9
[INFO] [stdout]   18:     0x55953aaef41a - ringu::tests::multithread_write_read::{{closure}}::hb8d125c2e3d9655c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:172:5
[INFO] [stdout]   19:     0x55953aaed37e - core::ops::function::FnOnce::call_once::h95edbbdcc5b995de
[INFO] [stdout]                                at /rustc/bf16ca353c82d9051dbd1a4cfc5a01a1800578e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x55953ab230f3 - core::ops::function::FnOnce::call_once::hbb52c4519d3137b0
[INFO] [stdout]                                at /rustc/bf16ca353c82d9051dbd1a4cfc5a01a1800578e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x55953ab230f3 - test::__rust_begin_short_backtrace::h86fe3a2a5a5121af
[INFO] [stdout]                                at /rustc/bf16ca353c82d9051dbd1a4cfc5a01a1800578e9/library/test/src/lib.rs:578:5
[INFO] [stdout]   22:     0x55953ab21ba8 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hfd956bc3d57399be
[INFO] [stdout]                                at /rustc/bf16ca353c82d9051dbd1a4cfc5a01a1800578e9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   23:     0x55953ab21ba8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h40dc93e0ddb5938a
[INFO] [stdout]                                at /rustc/bf16ca353c82d9051dbd1a4cfc5a01a1800578e9/library/std/src/panic.rs:347:9
[INFO] [stdout]   24:     0x55953ab21ba8 - std::panicking::try::do_call::h90d07750cb47c562
[INFO] [stdout]                                at /rustc/bf16ca353c82d9051dbd1a4cfc5a01a1800578e9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x55953ab21ba8 - std::panicking::try::h063c84733ad2a629
[INFO] [stdout]                                at /rustc/bf16ca353c82d9051dbd1a4cfc5a01a1800578e9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x55953ab21ba8 - std::panic::catch_unwind::h0c464836a84e7c08
[INFO] [stdout]                                at /rustc/bf16ca353c82d9051dbd1a4cfc5a01a1800578e9/library/std/src/panic.rs:434:14
[INFO] [stdout]   27:     0x55953ab21ba8 - test::run_test_in_process::h5cb06ef620b157fc
[INFO] [stdout]                                at /rustc/bf16ca353c82d9051dbd1a4cfc5a01a1800578e9/library/test/src/lib.rs:601:18
[INFO] [stdout]   28:     0x55953ab21ba8 - test::run_test::run_test_inner::{{closure}}::h76f677f4b93f9828
[INFO] [stdout]                                at /rustc/bf16ca353c82d9051dbd1a4cfc5a01a1800578e9/library/test/src/lib.rs:493:39
[INFO] [stdout]   29:     0x55953aaf033d - test::run_test::run_test_inner::{{closure}}::h366d01fe04f4d67a
[INFO] [stdout]                                at /rustc/bf16ca353c82d9051dbd1a4cfc5a01a1800578e9/library/test/src/lib.rs:520:37
[INFO] [stdout]   30:     0x55953aaf033d - std::sys_common::backtrace::__rust_begin_short_backtrace::h7dfa0de4eb395af2
[INFO] [stdout]                                at /rustc/bf16ca353c82d9051dbd1a4cfc5a01a1800578e9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x55953aaf4b08 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf0a74bb58798037f
[INFO] [stdout]                                at /rustc/bf16ca353c82d9051dbd1a4cfc5a01a1800578e9/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   32:     0x55953aaf4b08 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb024e854818586ac
[INFO] [stdout]                                at /rustc/bf16ca353c82d9051dbd1a4cfc5a01a1800578e9/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x55953aaf4b08 - std::panicking::try::do_call::hb2dd9f1d0d48e41d
[INFO] [stdout]                                at /rustc/bf16ca353c82d9051dbd1a4cfc5a01a1800578e9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x55953aaf4b08 - std::panicking::try::h4717ae7bac8b2bf3
[INFO] [stdout]                                at /rustc/bf16ca353c82d9051dbd1a4cfc5a01a1800578e9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x55953aaf4b08 - std::panic::catch_unwind::h0dc8a061326ce8d8
[INFO] [stdout]                                at /rustc/bf16ca353c82d9051dbd1a4cfc5a01a1800578e9/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x55953aaf4b08 - std::thread::Builder::spawn_unchecked::{{closure}}::haa369e2d6fd00aa1
[INFO] [stdout]                                at /rustc/bf16ca353c82d9051dbd1a4cfc5a01a1800578e9/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   37:     0x55953aaf4b08 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h36dcf3de8b056f17
[INFO] [stdout]                                at /rustc/bf16ca353c82d9051dbd1a4cfc5a01a1800578e9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x55953ab45be7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h65c29e4642be2358
[INFO] [stdout]                                at /rustc/bf16ca353c82d9051dbd1a4cfc5a01a1800578e9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   39:     0x55953ab45be7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd0f8f7fbbd9fffbf
[INFO] [stdout]                                at /rustc/bf16ca353c82d9051dbd1a4cfc5a01a1800578e9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   40:     0x55953ab45be7 - std::sys::unix::thread::Thread::new::thread_start::h2fd22fee3ca77b65
[INFO] [stdout]                                at /rustc/bf16ca353c82d9051dbd1a4cfc5a01a1800578e9/library/std/src/sys/unix/thread.rs:74:17
[INFO] [stdout]   41:     0x7f307fa91609 - start_thread
[INFO] [stdout]   42:     0x7f307f863293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::multithread_write_read
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `Command { std: "docker" "inspect" "ed5c0e0f33afbede5ed9fe81971f62862202aa37f6b84e6bac8687a1dda09eda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed5c0e0f33afbede5ed9fe81971f62862202aa37f6b84e6bac8687a1dda09eda", kill_on_drop: false }`
[INFO] [stdout] ed5c0e0f33afbede5ed9fe81971f62862202aa37f6b84e6bac8687a1dda09eda
