[INFO] cloning repository https://github.com/Spindel/tokio-serial-pacing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Spindel/tokio-serial-pacing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpindel%2Ftokio-serial-pacing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpindel%2Ftokio-serial-pacing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00534273096501df7e6c89b3e5b42421222d2c20
[INFO] testing Spindel/tokio-serial-pacing against try#a7ee93192a766fb0dafa23def7154fc03cfcfc3e for pr-146989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpindel%2Ftokio-serial-pacing" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Spindel/tokio-serial-pacing
[INFO] finished tweaking git repo https://github.com/Spindel/tokio-serial-pacing
[INFO] tweaked toml for git repo https://github.com/Spindel/tokio-serial-pacing written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Spindel/tokio-serial-pacing on toolchain a7ee93192a766fb0dafa23def7154fc03cfcfc3e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Spindel/tokio-serial-pacing 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" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06b437051883e937c79f49e8764f04a170c81317e89c1875670cf87eeea11513
[INFO] running `Command { std: "docker" "start" "-a" "06b437051883e937c79f49e8764f04a170c81317e89c1875670cf87eeea11513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06b437051883e937c79f49e8764f04a170c81317e89c1875670cf87eeea11513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06b437051883e937c79f49e8764f04a170c81317e89c1875670cf87eeea11513", kill_on_drop: false }`
[INFO] [stdout] 06b437051883e937c79f49e8764f04a170c81317e89c1875670cf87eeea11513
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32feda83100d261f6cdbbbacad0fb10ef552b668a46dbc317cb43f253f2c5551
[INFO] running `Command { std: "docker" "start" "-a" "32feda83100d261f6cdbbbacad0fb10ef552b668a46dbc317cb43f253f2c5551", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling syn v2.0.55
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling socket2 v0.5.6
[INFO] [stderr]    Compiling tokio v1.36.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling unescaper v0.1.4
[INFO] [stderr]    Compiling serialport v4.3.0
[INFO] [stderr]    Compiling mio-serial v5.0.5
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling tokio-serial v5.4.4
[INFO] [stderr]    Compiling tokio_serial_pacing v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.60s
[INFO] running `Command { std: "docker" "inspect" "32feda83100d261f6cdbbbacad0fb10ef552b668a46dbc317cb43f253f2c5551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32feda83100d261f6cdbbbacad0fb10ef552b668a46dbc317cb43f253f2c5551", kill_on_drop: false }`
[INFO] [stdout] 32feda83100d261f6cdbbbacad0fb10ef552b668a46dbc317cb43f253f2c5551
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77e97d48e98d292aee6191f8386cc78fc83f3cde634be8060ea8a1f248dfc055
[INFO] running `Command { std: "docker" "start" "-a" "77e97d48e98d292aee6191f8386cc78fc83f3cde634be8060ea8a1f248dfc055", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling tokio v1.36.0
[INFO] [stderr]    Compiling tokio-serial v5.4.4
[INFO] [stderr]    Compiling tokio_serial_pacing v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.84s
[INFO] running `Command { std: "docker" "inspect" "77e97d48e98d292aee6191f8386cc78fc83f3cde634be8060ea8a1f248dfc055", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77e97d48e98d292aee6191f8386cc78fc83f3cde634be8060ea8a1f248dfc055", kill_on_drop: false }`
[INFO] [stdout] 77e97d48e98d292aee6191f8386cc78fc83f3cde634be8060ea8a1f248dfc055
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] de7a7de1ad76d61362738e9b6890d83e4ae75aa26c6bfcb2ec592ca6992ec681
[INFO] running `Command { std: "docker" "start" "-a" "de7a7de1ad76d61362738e9b6890d83e4ae75aa26c6bfcb2ec592ca6992ec681", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tokio_serial_pacing-8f4832870694a6ef)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::check_wait_time ... ok
[INFO] [stdout] test tests::check_read_pacing ... ok
[INFO] [stdout] test tests::ensure_sync_port_works ... ok
[INFO] [stdout] test tests::check_write_pacing ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::check_write_pacing stdout ----
[INFO] [stdout] TX=>RX:  Writing large buf
[INFO] [stdout] RX>=TX Reading large(?) buf
[INFO] [stdout] TX=>RX Flushing
[INFO] [stdout] TX<=RX Reading ack
[INFO] [stdout] RX=>TX, Writing ack data
[INFO] [stdout] Test cycle complete
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::check_write_pacing' (27) panicked at src/lib.rs:122:9:
[INFO] [stdout] It should not take a millisecond normally.
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x647085cdf6f2 - std[b14e17aa63033746]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x647085cdf6f2 - std[b14e17aa63033746]::backtrace_rs::backtrace::trace_unsynchronized::<std[b14e17aa63033746]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x647085cdf6f2 - std[b14e17aa63033746]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x647085cdf6f2 - <<std[b14e17aa63033746]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[7ebf52c056bd56a4]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x647085cf47aa - <core[7ebf52c056bd56a4]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x647085cf47aa - core[7ebf52c056bd56a4]::fmt::write
[INFO] [stdout]    6:     0x647085ce4666 - std[b14e17aa63033746]::io::default_write_fmt::<alloc[ed4a2d6a5f8966cc]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x647085ce4666 - <alloc[ed4a2d6a5f8966cc]::vec::Vec<u8> as std[b14e17aa63033746]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x647085cbd76f - <std[b14e17aa63033746]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x647085cbd76f - std[b14e17aa63033746]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x647085cd7919 - std[b14e17aa63033746]::panicking::default_hook
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x647085c1e5de - <alloc[ed4a2d6a5f8966cc]::boxed::Box<dyn for<'a, 'b> core[7ebf52c056bd56a4]::ops::function::Fn<(&'a std[b14e17aa63033746]::panic::PanicHookInfo<'b>,), Output = ()> + core[7ebf52c056bd56a4]::marker::Send + core[7ebf52c056bd56a4]::marker::Sync> as core[7ebf52c056bd56a4]::ops::function::Fn<(&std[b14e17aa63033746]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x647085c1e5de - test[3318909d72adbd73]::test_main_with_exit_callback::<test[3318909d72adbd73]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x647085cd7b82 - <alloc[ed4a2d6a5f8966cc]::boxed::Box<dyn for<'a, 'b> core[7ebf52c056bd56a4]::ops::function::Fn<(&'a std[b14e17aa63033746]::panic::PanicHookInfo<'b>,), Output = ()> + core[7ebf52c056bd56a4]::marker::Send + core[7ebf52c056bd56a4]::marker::Sync> as core[7ebf52c056bd56a4]::ops::function::Fn<(&std[b14e17aa63033746]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x647085cd7b82 - std[b14e17aa63033746]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x647085cbd85a - std[b14e17aa63033746]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x647085cb5259 - std[b14e17aa63033746]::sys::backtrace::__rust_end_short_backtrace::<std[b14e17aa63033746]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x647085cbe67d - __rustc[f8abce35e9738d16]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x647085cf4eac - core[7ebf52c056bd56a4]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x647085c0b1f8 - tokio_serial_pacing[a35d6eb5c3046815]::tests::check_write_pacing::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:122:9
[INFO] [stdout]   20:     0x647085bfda72 - <core[7ebf52c056bd56a4]::pin::Pin<&mut dyn core[7ebf52c056bd56a4]::future::future::Future<Output = ()>> as core[7ebf52c056bd56a4]::future::future::Future>::poll
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/core/src/future/future.rs:133:9
[INFO] [stdout]   21:     0x647085bfdaad - <core[7ebf52c056bd56a4]::pin::Pin<&mut core[7ebf52c056bd56a4]::pin::Pin<&mut dyn core[7ebf52c056bd56a4]::future::future::Future<Output = ()>>> as core[7ebf52c056bd56a4]::future::future::Future>::poll
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/core/src/future/future.rs:133:9
[INFO] [stdout]   22:     0x647085be27ad - <tokio[9b4da3c2135ba07f]::runtime::scheduler::current_thread::CoreGuard>::block_on::<core[7ebf52c056bd56a4]::pin::Pin<&mut core[7ebf52c056bd56a4]::pin::Pin<&mut dyn core[7ebf52c056bd56a4]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.36.0/src/runtime/scheduler/current_thread/mod.rs:659:73
[INFO] [stdout]   23:     0x647085be26eb - tokio[9b4da3c2135ba07f]::runtime::coop::with_budget::<core[7ebf52c056bd56a4]::task::poll::Poll<()>, <tokio[9b4da3c2135ba07f]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[7ebf52c056bd56a4]::pin::Pin<&mut core[7ebf52c056bd56a4]::pin::Pin<&mut dyn core[7ebf52c056bd56a4]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.36.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   24:     0x647085be26eb - tokio[9b4da3c2135ba07f]::runtime::coop::budget::<core[7ebf52c056bd56a4]::task::poll::Poll<()>, <tokio[9b4da3c2135ba07f]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[7ebf52c056bd56a4]::pin::Pin<&mut core[7ebf52c056bd56a4]::pin::Pin<&mut dyn core[7ebf52c056bd56a4]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.36.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   25:     0x647085be26eb - <tokio[9b4da3c2135ba07f]::runtime::scheduler::current_thread::CoreGuard>::block_on::<core[7ebf52c056bd56a4]::pin::Pin<&mut core[7ebf52c056bd56a4]::pin::Pin<&mut dyn core[7ebf52c056bd56a4]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.36.0/src/runtime/scheduler/current_thread/mod.rs:659:25
[INFO] [stdout]   26:     0x647085bdc6b0 - <tokio[9b4da3c2135ba07f]::runtime::scheduler::current_thread::Context>::enter::<core[7ebf52c056bd56a4]::task::poll::Poll<()>, <tokio[9b4da3c2135ba07f]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[7ebf52c056bd56a4]::pin::Pin<&mut core[7ebf52c056bd56a4]::pin::Pin<&mut dyn core[7ebf52c056bd56a4]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.36.0/src/runtime/scheduler/current_thread/mod.rs:404:19
[INFO] [stdout]   27:     0x647085be1bcd - <tokio[9b4da3c2135ba07f]::runtime::scheduler::current_thread::CoreGuard>::block_on::<core[7ebf52c056bd56a4]::pin::Pin<&mut core[7ebf52c056bd56a4]::pin::Pin<&mut dyn core[7ebf52c056bd56a4]::future::future::Future<Output = ()>>>>::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.36.0/src/runtime/scheduler/current_thread/mod.rs:658:44
[INFO] [stdout]   28:     0x647085be1954 - <tokio[9b4da3c2135ba07f]::runtime::scheduler::current_thread::CoreGuard>::enter::<<tokio[9b4da3c2135ba07f]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[7ebf52c056bd56a4]::pin::Pin<&mut core[7ebf52c056bd56a4]::pin::Pin<&mut dyn core[7ebf52c056bd56a4]::future::future::Future<Output = ()>>>>::{closure#0}, core[7ebf52c056bd56a4]::option::Option<()>>::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.36.0/src/runtime/scheduler/current_thread/mod.rs:737:68
[INFO] [stdout]   29:     0x647085bdc35b - <tokio[9b4da3c2135ba07f]::runtime::context::scoped::Scoped<tokio[9b4da3c2135ba07f]::runtime::scheduler::Context>>::set::<<tokio[9b4da3c2135ba07f]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[9b4da3c2135ba07f]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[7ebf52c056bd56a4]::pin::Pin<&mut core[7ebf52c056bd56a4]::pin::Pin<&mut dyn core[7ebf52c056bd56a4]::future::future::Future<Output = ()>>>>::{closure#0}, core[7ebf52c056bd56a4]::option::Option<()>>::{closure#0}, (alloc[ed4a2d6a5f8966cc]::boxed::Box<tokio[9b4da3c2135ba07f]::runtime::scheduler::current_thread::Core>, core[7ebf52c056bd56a4]::option::Option<()>)>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.36.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   30:     0x647085bf9eb9 - tokio[9b4da3c2135ba07f]::runtime::context::set_scheduler::<(alloc[ed4a2d6a5f8966cc]::boxed::Box<tokio[9b4da3c2135ba07f]::runtime::scheduler::current_thread::Core>, core[7ebf52c056bd56a4]::option::Option<()>), <tokio[9b4da3c2135ba07f]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[9b4da3c2135ba07f]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[7ebf52c056bd56a4]::pin::Pin<&mut core[7ebf52c056bd56a4]::pin::Pin<&mut dyn core[7ebf52c056bd56a4]::future::future::Future<Output = ()>>>>::{closure#0}, core[7ebf52c056bd56a4]::option::Option<()>>::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.36.0/src/runtime/context.rs:176:38
[INFO] [stdout]   31:     0x647085bdce82 - <std[b14e17aa63033746]::thread::local::LocalKey<tokio[9b4da3c2135ba07f]::runtime::context::Context>>::try_with::<tokio[9b4da3c2135ba07f]::runtime::context::set_scheduler<(alloc[ed4a2d6a5f8966cc]::boxed::Box<tokio[9b4da3c2135ba07f]::runtime::scheduler::current_thread::Core>, core[7ebf52c056bd56a4]::option::Option<()>), <tokio[9b4da3c2135ba07f]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[9b4da3c2135ba07f]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[7ebf52c056bd56a4]::pin::Pin<&mut core[7ebf52c056bd56a4]::pin::Pin<&mut dyn core[7ebf52c056bd56a4]::future::future::Future<Output = ()>>>>::{closure#0}, core[7ebf52c056bd56a4]::option::Option<()>>::{closure#0}>::{closure#0}, (alloc[ed4a2d6a5f8966cc]::boxed::Box<tokio[9b4da3c2135ba07f]::runtime::scheduler::current_thread::Core>, core[7ebf52c056bd56a4]::option::Option<()>)>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/thread/local.rs:513:12
[INFO] [stdout]   32:     0x647085bdccce - <std[b14e17aa63033746]::thread::local::LocalKey<tokio[9b4da3c2135ba07f]::runtime::context::Context>>::with::<tokio[9b4da3c2135ba07f]::runtime::context::set_scheduler<(alloc[ed4a2d6a5f8966cc]::boxed::Box<tokio[9b4da3c2135ba07f]::runtime::scheduler::current_thread::Core>, core[7ebf52c056bd56a4]::option::Option<()>), <tokio[9b4da3c2135ba07f]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[9b4da3c2135ba07f]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[7ebf52c056bd56a4]::pin::Pin<&mut core[7ebf52c056bd56a4]::pin::Pin<&mut dyn core[7ebf52c056bd56a4]::future::future::Future<Output = ()>>>>::{closure#0}, core[7ebf52c056bd56a4]::option::Option<()>>::{closure#0}>::{closure#0}, (alloc[ed4a2d6a5f8966cc]::boxed::Box<tokio[9b4da3c2135ba07f]::runtime::scheduler::current_thread::Core>, core[7ebf52c056bd56a4]::option::Option<()>)>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/thread/local.rs:477:20
[INFO] [stdout]   33:     0x647085bf925d - tokio[9b4da3c2135ba07f]::runtime::context::set_scheduler::<(alloc[ed4a2d6a5f8966cc]::boxed::Box<tokio[9b4da3c2135ba07f]::runtime::scheduler::current_thread::Core>, core[7ebf52c056bd56a4]::option::Option<()>), <tokio[9b4da3c2135ba07f]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[9b4da3c2135ba07f]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[7ebf52c056bd56a4]::pin::Pin<&mut core[7ebf52c056bd56a4]::pin::Pin<&mut dyn core[7ebf52c056bd56a4]::future::future::Future<Output = ()>>>>::{closure#0}, core[7ebf52c056bd56a4]::option::Option<()>>::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.36.0/src/runtime/context.rs:176:17
[INFO] [stdout]   34:     0x647085bdfe00 - <tokio[9b4da3c2135ba07f]::runtime::scheduler::current_thread::CoreGuard>::enter::<<tokio[9b4da3c2135ba07f]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[7ebf52c056bd56a4]::pin::Pin<&mut core[7ebf52c056bd56a4]::pin::Pin<&mut dyn core[7ebf52c056bd56a4]::future::future::Future<Output = ()>>>>::{closure#0}, core[7ebf52c056bd56a4]::option::Option<()>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.36.0/src/runtime/scheduler/current_thread/mod.rs:737:27
[INFO] [stdout]   35:     0x647085be0077 - <tokio[9b4da3c2135ba07f]::runtime::scheduler::current_thread::CoreGuard>::block_on::<core[7ebf52c056bd56a4]::pin::Pin<&mut core[7ebf52c056bd56a4]::pin::Pin<&mut dyn core[7ebf52c056bd56a4]::future::future::Future<Output = ()>>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.36.0/src/runtime/scheduler/current_thread/mod.rs:646:24
[INFO] [stdout]   36:     0x647085be16a6 - <tokio[9b4da3c2135ba07f]::runtime::scheduler::current_thread::CurrentThread>::block_on::<core[7ebf52c056bd56a4]::pin::Pin<&mut dyn core[7ebf52c056bd56a4]::future::future::Future<Output = ()>>>::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.36.0/src/runtime/scheduler/current_thread/mod.rs:175:33
[INFO] [stdout]   37:     0x647085c059c5 - tokio[9b4da3c2135ba07f]::runtime::context::runtime::enter_runtime::<<tokio[9b4da3c2135ba07f]::runtime::scheduler::current_thread::CurrentThread>::block_on<core[7ebf52c056bd56a4]::pin::Pin<&mut dyn core[7ebf52c056bd56a4]::future::future::Future<Output = ()>>>::{closure#0}, ()>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.36.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   38:     0x647085bdc501 - <tokio[9b4da3c2135ba07f]::runtime::scheduler::current_thread::CurrentThread>::block_on::<core[7ebf52c056bd56a4]::pin::Pin<&mut dyn core[7ebf52c056bd56a4]::future::future::Future<Output = ()>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.36.0/src/runtime/scheduler/current_thread/mod.rs:167:9
[INFO] [stdout]   39:     0x647085bf84f2 - <tokio[9b4da3c2135ba07f]::runtime::runtime::Runtime>::block_on::<core[7ebf52c056bd56a4]::pin::Pin<&mut dyn core[7ebf52c056bd56a4]::future::future::Future<Output = ()>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.36.0/src/runtime/runtime.rs:348:52
[INFO] [stdout]   40:     0x647085c0c27c - tokio_serial_pacing[a35d6eb5c3046815]::tests::check_write_pacing
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:141:10
[INFO] [stdout]   41:     0x647085c09f17 - tokio_serial_pacing[a35d6eb5c3046815]::tests::check_write_pacing::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:115:34
[INFO] [stdout]   42:     0x647085c128c6 - <tokio_serial_pacing[a35d6eb5c3046815]::tests::check_write_pacing::{closure#0} as core[7ebf52c056bd56a4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x647085c1298b - <fn() -> core[7ebf52c056bd56a4]::result::Result<(), alloc[ed4a2d6a5f8966cc]::string::String> as core[7ebf52c056bd56a4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   44:     0x647085c1298b - test[3318909d72adbd73]::__rust_begin_short_backtrace::<core[7ebf52c056bd56a4]::result::Result<(), alloc[ed4a2d6a5f8966cc]::string::String>, fn() -> core[7ebf52c056bd56a4]::result::Result<(), alloc[ed4a2d6a5f8966cc]::string::String>>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/test/src/lib.rs:663:18
[INFO] [stdout]   45:     0x647085c1f1ea - test[3318909d72adbd73]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/test/src/lib.rs:686:74
[INFO] [stdout]   46:     0x647085c1f1ea - <core[7ebf52c056bd56a4]::panic::unwind_safe::AssertUnwindSafe<test[3318909d72adbd73]::run_test_in_process::{closure#0}> as core[7ebf52c056bd56a4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   47:     0x647085c1f1ea - std[b14e17aa63033746]::panicking::catch_unwind::do_call::<core[7ebf52c056bd56a4]::panic::unwind_safe::AssertUnwindSafe<test[3318909d72adbd73]::run_test_in_process::{closure#0}>, core[7ebf52c056bd56a4]::result::Result<(), alloc[ed4a2d6a5f8966cc]::string::String>>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panicking.rs:581:40
[INFO] [stdout]   48:     0x647085c1f1ea - std[b14e17aa63033746]::panicking::catch_unwind::<core[7ebf52c056bd56a4]::result::Result<(), alloc[ed4a2d6a5f8966cc]::string::String>, core[7ebf52c056bd56a4]::panic::unwind_safe::AssertUnwindSafe<test[3318909d72adbd73]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panicking.rs:544:19
[INFO] [stdout]   49:     0x647085c1f1ea - std[b14e17aa63033746]::panic::catch_unwind::<core[7ebf52c056bd56a4]::panic::unwind_safe::AssertUnwindSafe<test[3318909d72adbd73]::run_test_in_process::{closure#0}>, core[7ebf52c056bd56a4]::result::Result<(), alloc[ed4a2d6a5f8966cc]::string::String>>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panic.rs:359:14
[INFO] [stdout]   50:     0x647085c1f1ea - test[3318909d72adbd73]::run_test_in_process
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/test/src/lib.rs:686:27
[INFO] [stdout]   51:     0x647085c1f1ea - test[3318909d72adbd73]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/test/src/lib.rs:607:43
[INFO] [stdout]   52:     0x647085c1a794 - test[3318909d72adbd73]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/test/src/lib.rs:637:41
[INFO] [stdout]   53:     0x647085c1a794 - std[b14e17aa63033746]::sys::backtrace::__rust_begin_short_backtrace::<test[3318909d72adbd73]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   54:     0x647085c21ce2 - std[b14e17aa63033746]::thread::lifecycle::spawn_unchecked::<test[3318909d72adbd73]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   55:     0x647085c21ce2 - <core[7ebf52c056bd56a4]::panic::unwind_safe::AssertUnwindSafe<std[b14e17aa63033746]::thread::lifecycle::spawn_unchecked<test[3318909d72adbd73]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[7ebf52c056bd56a4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   56:     0x647085c21ce2 - std[b14e17aa63033746]::panicking::catch_unwind::do_call::<core[7ebf52c056bd56a4]::panic::unwind_safe::AssertUnwindSafe<std[b14e17aa63033746]::thread::lifecycle::spawn_unchecked<test[3318909d72adbd73]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panicking.rs:581:40
[INFO] [stdout]   57:     0x647085c21ce2 - std[b14e17aa63033746]::panicking::catch_unwind::<(), core[7ebf52c056bd56a4]::panic::unwind_safe::AssertUnwindSafe<std[b14e17aa63033746]::thread::lifecycle::spawn_unchecked<test[3318909d72adbd73]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panicking.rs:544:19
[INFO] [stdout]   58:     0x647085c21ce2 - std[b14e17aa63033746]::panic::catch_unwind::<core[7ebf52c056bd56a4]::panic::unwind_safe::AssertUnwindSafe<std[b14e17aa63033746]::thread::lifecycle::spawn_unchecked<test[3318909d72adbd73]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/panic.rs:359:14
[INFO] [stdout]   59:     0x647085c21ce2 - std[b14e17aa63033746]::thread::lifecycle::spawn_unchecked::<test[3318909d72adbd73]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   60:     0x647085c21ce2 - <std[b14e17aa63033746]::thread::lifecycle::spawn_unchecked<test[3318909d72adbd73]::run_test::{closure#1}, ()>::{closure#1} as core[7ebf52c056bd56a4]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   61:     0x647085cdef8f - <alloc[ed4a2d6a5f8966cc]::boxed::Box<dyn core[7ebf52c056bd56a4]::ops::function::FnOnce<(), Output = ()> + core[7ebf52c056bd56a4]::marker::Send> as core[7ebf52c056bd56a4]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   62:     0x647085cdef8f - <std[b14e17aa63033746]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   63:     0x7b9d995eeaa4 - <unknown>
[INFO] [stdout]   64:     0x7b9d9967ba64 - clone
[INFO] [stdout]   65:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::check_write_pacing
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "de7a7de1ad76d61362738e9b6890d83e4ae75aa26c6bfcb2ec592ca6992ec681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de7a7de1ad76d61362738e9b6890d83e4ae75aa26c6bfcb2ec592ca6992ec681", kill_on_drop: false }`
[INFO] [stdout] de7a7de1ad76d61362738e9b6890d83e4ae75aa26c6bfcb2ec592ca6992ec681