[INFO] fetching crate lightmotif-py 0.10.0...
[INFO] testing lightmotif-py-0.10.0 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate lightmotif-py 0.10.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate lightmotif-py 0.10.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate lightmotif-py 0.10.0
[INFO] tweaked toml for crates.io crate lightmotif-py 0.10.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lightmotif-py 0.10.0 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lightmotif-py 0.10.0 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b704c318917a80945434a19cf2da05932a82105d3da7b8ec6e68c3a549a6cb9c
[INFO] running `Command { std: "docker" "start" "-a" "b704c318917a80945434a19cf2da05932a82105d3da7b8ec6e68c3a549a6cb9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b704c318917a80945434a19cf2da05932a82105d3da7b8ec6e68c3a549a6cb9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b704c318917a80945434a19cf2da05932a82105d3da7b8ec6e68c3a549a6cb9c", kill_on_drop: false }`
[INFO] [stdout] b704c318917a80945434a19cf2da05932a82105d3da7b8ec6e68c3a549a6cb9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5176483cbb1aba77221d8edf67deffb52ae89fea137df13fb2f5c929fa99d4db
[INFO] running `Command { std: "docker" "start" "-a" "5176483cbb1aba77221d8edf67deffb52ae89fea137df13fb2f5c929fa99d4db", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling unindent v0.2.4
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling nom v8.0.0
[INFO] [stderr]    Compiling pyo3-build-config v0.23.5
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling generic-array v1.2.0
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling lightmotif v0.10.0
[INFO] [stderr]    Compiling lightmotif-tfmpvalue v0.10.0
[INFO] [stderr]    Compiling lightmotif-io v0.10.0
[INFO] [stderr]    Compiling pyo3-ffi v0.23.5
[INFO] [stderr]    Compiling pyo3-macros-backend v0.23.5
[INFO] [stderr]    Compiling pyo3 v0.23.5
[INFO] [stderr]    Compiling pyo3-macros v0.23.5
[INFO] [stderr]    Compiling lightmotif-py v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "5176483cbb1aba77221d8edf67deffb52ae89fea137df13fb2f5c929fa99d4db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5176483cbb1aba77221d8edf67deffb52ae89fea137df13fb2f5c929fa99d4db", kill_on_drop: false }`
[INFO] [stdout] 5176483cbb1aba77221d8edf67deffb52ae89fea137df13fb2f5c929fa99d4db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3138b3ba760a833d9dca257e9ea41648a094b6310c4f847695912f86bb3e01b1
[INFO] running `Command { std: "docker" "start" "-a" "3138b3ba760a833d9dca257e9ea41648a094b6310c4f847695912f86bb3e01b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling lightmotif-py v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 12.62s
[INFO] running `Command { std: "docker" "inspect" "3138b3ba760a833d9dca257e9ea41648a094b6310c4f847695912f86bb3e01b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3138b3ba760a833d9dca257e9ea41648a094b6310c4f847695912f86bb3e01b1", kill_on_drop: false }`
[INFO] [stdout] 3138b3ba760a833d9dca257e9ea41648a094b6310c4f847695912f86bb3e01b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 19af5ff46960771319308a651328b806f283eba56e558e2c191b1548f36f1db0
[INFO] running `Command { std: "docker" "start" "-a" "19af5ff46960771319308a651328b806f283eba56e558e2c191b1548f36f1db0", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests lightmotif/lib.rs (/opt/rustwide/target/debug/deps/lightmotif_py-137d6357d3798ab2)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running lightmotif/tests/unittest.rs (/opt/rustwide/target/debug/deps/unittest-bc135ffde7009084)
[INFO] [stderr] 
[INFO] [stderr] thread 'main' panicked at lightmotif/tests/unittest.rs:22:10:
[INFO] [stderr] called `Option::unwrap()` on a `None` value
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5c2f75328d22 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x5c2f75328d22 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x5c2f75328d22 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]    3:     0x5c2f75328d22 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]    4:     0x5c2f75346b53 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]    5:     0x5c2f75346b53 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stderr]    6:     0x5c2f753268a3 - std::io::default_write_fmt::h92ac9345fd53cc14
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x5c2f753268a3 - std::io::Write::write_fmt::h5ebaf381f8338068
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]    8:     0x5c2f75328b72 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]    9:     0x5c2f75329be6 - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stderr]   10:     0x5c2f753299e9 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:327:9
[INFO] [stderr]   11:     0x5c2f7532a4f2 - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:833:13
[INFO] [stderr]   12:     0x5c2f7532a356 - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:699:13
[INFO] [stderr]   13:     0x5c2f75329219 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]   14:     0x5c2f7532a01d - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stderr]   15:     0x5c2f75345d60 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stderr]   16:     0x5c2f75345dcc - core::panicking::panic::hd2a569f4f37f7e10
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:145:5
[INFO] [stderr]   17:     0x5c2f75345cd9 - core::option::unwrap_failed::ha14784b3b8a80e23
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/option.rs:2072:5
[INFO] [stderr]   18:     0x5c2f75284814 - core::option::Option<T>::unwrap::hc5f390e3963bf45f
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/option.rs:1005:21
[INFO] [stderr]   19:     0x5c2f75284814 - unittest::main::h3160c37fee8f2807
[INFO] [stderr]                                at /opt/rustwide/workdir/lightmotif/tests/unittest.rs:22:10
[INFO] [stderr]   20:     0x5c2f75283fe3 - core::ops::function::FnOnce::call_once::h310288c1ca231217
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   21:     0x5c2f75283fe3 - std::sys::backtrace::__rust_begin_short_backtrace::h18c60b2a46d83de2
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:152:18
[INFO] [stderr]   22:     0x5c2f75283eb9 - std::rt::lang_start::{{closure}}::hdd5ac2b80e2040e0
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/rt.rs:206:18
[INFO] [stderr]   23:     0x5c2f75323450 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hc3929e8466919df6
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:284:21
[INFO] [stderr]   24:     0x5c2f75323450 - std::panicking::catch_unwind::do_call::hed30a66745299fca
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stderr]   25:     0x5c2f75323450 - std::panicking::catch_unwind::hdfb0bc9563518507
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stderr]   26:     0x5c2f75323450 - std::panic::catch_unwind::hd0a1d748acfba573
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stderr]   27:     0x5c2f75323450 - std::rt::lang_start_internal::{{closure}}::h0c1845f1b3064b93
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/rt.rs:175:24
[INFO] [stderr]   28:     0x5c2f75323450 - std::panicking::catch_unwind::do_call::h1114c52e864472d2
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stderr]   29:     0x5c2f75323450 - std::panicking::catch_unwind::h91938c6665615bc7
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stderr]   30:     0x5c2f75323450 - std::panic::catch_unwind::h0c65d4211626564a
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stderr]   31:     0x5c2f75323450 - std::rt::lang_start_internal::hc41e58da8618ff02
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/rt.rs:171:5
[INFO] [stderr]   32:     0x5c2f75284b0c - main
[INFO] [stderr]   33:     0x707c60fc31ca - <unknown>
[INFO] [stderr]   34:     0x707c60fc328b - __libc_start_main
[INFO] [stderr]   35:     0x5c2f75283a05 - _start
[INFO] [stderr]   36:                0x0 - <unknown>
[INFO] [stderr] error: test failed, to rerun pass `--test unittest`
[INFO] running `Command { std: "docker" "inspect" "19af5ff46960771319308a651328b806f283eba56e558e2c191b1548f36f1db0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19af5ff46960771319308a651328b806f283eba56e558e2c191b1548f36f1db0", kill_on_drop: false }`
[INFO] [stdout] 19af5ff46960771319308a651328b806f283eba56e558e2c191b1548f36f1db0
