[INFO] crate tasque 0.1.4 is already in cache
[INFO] extracting crate tasque 0.1.4 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/tasque/0.1.4
[INFO] extracting crate tasque 0.1.4 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/tasque/0.1.4
[INFO] validating manifest of tasque-0.1.4 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tasque-0.1.4 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tasque-0.1.4
[INFO] finished frobbing tasque-0.1.4
[INFO] frobbed toml for tasque-0.1.4 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/tasque/0.1.4/Cargo.toml
[INFO] started frobbing tasque-0.1.4
[INFO] finished frobbing tasque-0.1.4
[INFO] frobbed toml for tasque-0.1.4 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/tasque/0.1.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing tasque-0.1.4 against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/tasque/0.1.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 97ae3f6223d5e4406096a2f77df368605a9e5c72f195fa2f6704948c25a7a938
[INFO] running `"docker" "start" "-a" "97ae3f6223d5e4406096a2f77df368605a9e5c72f195fa2f6704948c25a7a938"`
[INFO] [stderr]    Compiling nom v2.2.1
[INFO] [stderr]    Compiling atomic_immut v0.1.4
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]    Compiling prometrics v0.1.11
[INFO] [stderr]    Compiling tasque v0.1.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.81s
[INFO] running `"docker" "inspect" "97ae3f6223d5e4406096a2f77df368605a9e5c72f195fa2f6704948c25a7a938"`
[INFO] running `"docker" "rm" "-f" "97ae3f6223d5e4406096a2f77df368605a9e5c72f195fa2f6704948c25a7a938"`
[INFO] [stdout] 97ae3f6223d5e4406096a2f77df368605a9e5c72f195fa2f6704948c25a7a938
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/tasque/0.1.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 75282eb5670a7fe8d47260c660433a43651099e24530f41e23659cfb34bf965d
[INFO] running `"docker" "start" "-a" "75282eb5670a7fe8d47260c660433a43651099e24530f41e23659cfb34bf965d"`
[INFO] [stderr]    Compiling tasque v0.1.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `"docker" "inspect" "75282eb5670a7fe8d47260c660433a43651099e24530f41e23659cfb34bf965d"`
[INFO] running `"docker" "rm" "-f" "75282eb5670a7fe8d47260c660433a43651099e24530f41e23659cfb34bf965d"`
[INFO] [stdout] 75282eb5670a7fe8d47260c660433a43651099e24530f41e23659cfb34bf965d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/tasque/0.1.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] ed6cc74550462c9e31441d4dff0dc46eaf956773b0ff22ef8b0206ec4406b033
[INFO] running `"docker" "start" "-a" "ed6cc74550462c9e31441d4dff0dc46eaf956773b0ff22ef8b0206ec4406b033"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tasque-b1b45f78e5331da1
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr] thread '<unnamed>' panicked at 'explicit panic', src/lib.rs:84:26
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x564885699753 - std[698b411d1b74fcff]::sys::unix::backtrace::tracing::imp::unwind_backtrace
[INFO] [stdout] test tests::multiple_workers_works ... ok
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x56488569544b - std[698b411d1b74fcff]::sys_common::backtrace::_print
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:70
[INFO] [stderr]    2:     0x5648856983d6 - std[698b411d1b74fcff]::panicking::default_hook::{closure#1}
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:58
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    3:     0x564885698154 - std[698b411d1b74fcff]::panicking::default_hook
[INFO] [stderr]                                at src/libstd/panicking.rs:215
[INFO] [stderr]    4:     0x564885698ae0 - std[698b411d1b74fcff]::panicking::rust_panic_with_hook
[INFO] [stderr]                                at src/libstd/panicking.rs:478
[INFO] [stderr]    5:     0x564885682797 - std[698b411d1b74fcff]::panicking::begin_panic::<&str>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:412
[INFO] [stderr]    6:     0x5648856031bc - tasque[832c89c7bc61efcb]::tests::worker_restart_works::{closure#0}
[INFO] [stderr]                                at src/lib.rs:84
[INFO] [stderr]    7:     0x5648855ca348 - <tasque[832c89c7bc61efcb]::task::Task>::new::<tasque[832c89c7bc61efcb]::tests::worker_restart_works::{closure#0}>::{closure#0}
[INFO] [stderr]                                at src/task.rs:21
[INFO] [stderr]    8:     0x5648855ca4d8 - <tasque[832c89c7bc61efcb]::task::Task>::execute
[INFO] [stderr]                                at src/task.rs:31
[INFO] [stderr]    9:     0x5648855d57ff - <tasque[832c89c7bc61efcb]::worker::Worker>::run_once::{closure#0}
[INFO] [stderr]                                at src/worker.rs:25
[INFO] [stderr]   10:     0x5648855fe775 - <prometrics[3eb6020a0419d36b]::metrics::histogram::Histogram>::time::<<tasque[832c89c7bc61efcb]::worker::Worker>::run_once::{closure#0}, ()>
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/prometrics-0.1.11/src/metrics/histogram.rs:101
[INFO] [stderr]   11:     0x5648855d56f4 - <tasque[832c89c7bc61efcb]::worker::Worker>::run_once
[INFO] [stderr]                                at src/worker.rs:25
[INFO] [stderr]   12:     0x5648855d5582 - <tasque[832c89c7bc61efcb]::worker::Worker>::start::{closure#0}
[INFO] [stderr]                                at src/worker.rs:17
[INFO] [stderr]   13:     0x5648855d3a77 - std[698b411d1b74fcff]::sys_common::backtrace::__rust_begin_short_backtrace::<<tasque[832c89c7bc61efcb]::worker::Worker>::start::{closure#0}, ()>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/sys_common/backtrace.rs:135
[INFO] [stderr]   14:     0x5648855c7604 - <std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked::<<tasque[832c89c7bc61efcb]::worker::Worker>::start::{closure#0}, ()>::{closure#0}::{closure#0}
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:469
[INFO] [stderr]   15:     0x5648855fffa7 - <std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<<tasque[832c89c7bc61efcb]::worker::Worker>::start::{closure#0}, ()>::{closure#0}::{closure#0}> as core[b849d6d0cd70c3a8]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:309
[INFO] [stderr]   16:     0x5648855fd98f - std[698b411d1b74fcff]::panicking::try::do_call::<std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<<tasque[832c89c7bc61efcb]::worker::Worker>::start::{closure#0}, ()>::{closure#0}::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:297
[INFO] [stderr]   17:     0x56488569bc79 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stderr]   18:     0x5648855fe45f - std[698b411d1b74fcff]::panicking::try::<(), std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<<tasque[832c89c7bc61efcb]::worker::Worker>::start::{closure#0}, ()>::{closure#0}::{closure#0}>>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:276
[INFO] [stderr]   19:     0x5648855fd8c7 - std[698b411d1b74fcff]::panic::catch_unwind::<std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<<tasque[832c89c7bc61efcb]::worker::Worker>::start::{closure#0}, ()>::{closure#0}::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:388
[INFO] [stderr]   20:     0x5648855c70d1 - <std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked::<<tasque[832c89c7bc61efcb]::worker::Worker>::start::{closure#0}, ()>::{closure#0}
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:468
[INFO] [stderr]   21:     0x5648855c80ef - <<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<<tasque[832c89c7bc61efcb]::worker::Worker>::start::{closure#0}, ()>::{closure#0} as alloc[f4750af829db9b76]::boxed::FnBox<()>>::call_box
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:734
[INFO] [stderr]   22:     0x56488569b42d - <std[698b411d1b74fcff]::sys::unix::thread::Thread>::new::thread_start
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:744
[INFO] [stderr]                                at src/libstd/sys_common/thread.rs:14
[INFO] [stderr]                                at src/libstd/sys/unix/thread.rs:81
[INFO] [stderr]   23:     0x7f5faff4e493 - start_thread
[INFO] [stderr]   24:     0x7f5fafa79ace - __clone
[INFO] [stderr]   25:                0x0 - <unknown>
[INFO] [stdout] test tests::worker_restart_works ... ok
[INFO] [stdout] test tests::single_worker_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tasque
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/queue.rs - queue::TaskQueueBuilder (line 15) ... ok
[INFO] [stdout] test src/queue.rs - queue::TaskQueue (line 85) ... ok
[INFO] [stdout] test src/lib.rs -  (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ed6cc74550462c9e31441d4dff0dc46eaf956773b0ff22ef8b0206ec4406b033"`
[INFO] running `"docker" "rm" "-f" "ed6cc74550462c9e31441d4dff0dc46eaf956773b0ff22ef8b0206ec4406b033"`
[INFO] [stdout] ed6cc74550462c9e31441d4dff0dc46eaf956773b0ff22ef8b0206ec4406b033