[INFO] fetching crate general-parser 0.0.6...
[INFO] testing general-parser-0.0.6 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate general-parser 0.0.6 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate general-parser 0.0.6
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate general-parser 0.0.6
[INFO] tweaked toml for crates.io crate general-parser 0.0.6 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate general-parser 0.0.6 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 general-parser 0.0.6 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c091052e05563345d1ad5007ebcac95232ece078379bac44003b1e30c5e68527
[INFO] running `Command { std: "docker" "start" "-a" "c091052e05563345d1ad5007ebcac95232ece078379bac44003b1e30c5e68527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c091052e05563345d1ad5007ebcac95232ece078379bac44003b1e30c5e68527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c091052e05563345d1ad5007ebcac95232ece078379bac44003b1e30c5e68527", kill_on_drop: false }`
[INFO] [stdout] c091052e05563345d1ad5007ebcac95232ece078379bac44003b1e30c5e68527
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 39c0c77c7a5dccab979303a75930c809957984dff3963f4f40f8f5ac091c8e7c
[INFO] running `Command { std: "docker" "start" "-a" "39c0c77c7a5dccab979303a75930c809957984dff3963f4f40f8f5ac091c8e7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]    Compiling general-parser v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "39c0c77c7a5dccab979303a75930c809957984dff3963f4f40f8f5ac091c8e7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39c0c77c7a5dccab979303a75930c809957984dff3963f4f40f8f5ac091c8e7c", kill_on_drop: false }`
[INFO] [stdout] 39c0c77c7a5dccab979303a75930c809957984dff3963f4f40f8f5ac091c8e7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] dd75ecae62ac8447d5a2e18b9c02ed8c576851b6f034ae72fc6211f19fd5f4ce
[INFO] running `Command { std: "docker" "start" "-a" "dd75ecae62ac8447d5a2e18b9c02ed8c576851b6f034ae72fc6211f19fd5f4ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling general-parser v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `Command { std: "docker" "inspect" "dd75ecae62ac8447d5a2e18b9c02ed8c576851b6f034ae72fc6211f19fd5f4ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd75ecae62ac8447d5a2e18b9c02ed8c576851b6f034ae72fc6211f19fd5f4ce", kill_on_drop: false }`
[INFO] [stdout] dd75ecae62ac8447d5a2e18b9c02ed8c576851b6f034ae72fc6211f19fd5f4ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c7b271265b5cebdd09caa69ebb44b9a6ffd3e024bdb7cc516105923aa41fc01e
[INFO] running `Command { std: "docker" "start" "-a" "c7b271265b5cebdd09caa69ebb44b9a6ffd3e024bdb7cc516105923aa41fc01e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/general_parser-bae16fc9d8245778)
[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 tests/specification.rs (/opt/rustwide/target/debug/deps/specification-cbe4b58e2c5c951e)
[INFO] [stderr] 
[INFO] [stderr] thread 'main' panicked at tests/specification.rs:7:10:
[INFO] [stderr] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x644aaa9a3932 - 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:     0x644aaa9a3932 - 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:     0x644aaa9a3932 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]    3:     0x644aaa9a3932 - <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:     0x644aaa9c2883 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]    5:     0x644aaa9c2883 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stderr]    6:     0x644aaa9a1553 - std::io::default_write_fmt::h92ac9345fd53cc14
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x644aaa9a1553 - std::io::Write::write_fmt::h5ebaf381f8338068
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]    8:     0x644aaa9a3782 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]    9:     0x644aaa9a47f6 - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stderr]   10:     0x644aaa9a45f9 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:327:9
[INFO] [stderr]   11:     0x644aaa9a50c2 - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:833:13
[INFO] [stderr]   12:     0x644aaa9a4f5a - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:706:13
[INFO] [stderr]   13:     0x644aaa9a3e29 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]   14:     0x644aaa9a4bed - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stderr]   15:     0x644aaa9c1b70 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stderr]   16:     0x644aaa9c1ee6 - core::result::unwrap_failed::hfbbd3c78a73fea3d
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/result.rs:1761:5
[INFO] [stderr]   17:     0x644aaa97edb0 - core::result::Result<T,E>::unwrap::h4834744bd9dec3c2
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/result.rs:1167:23
[INFO] [stderr]   18:     0x644aaa97edb0 - specification::main::h9a132ade72b6f291
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/specification.rs:7:4
[INFO] [stderr]   19:     0x644aaa97e453 - core::ops::function::FnOnce::call_once::h969a9cff1b27bd69
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   20:     0x644aaa97e453 - std::sys::backtrace::__rust_begin_short_backtrace::had6309bbda1143e5
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:152:18
[INFO] [stderr]   21:     0x644aaa97e449 - std::rt::lang_start::{{closure}}::hf8b44af5e7a2f9bc
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/rt.rs:206:18
[INFO] [stderr]   22:     0x644aaa99ebf0 - 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]   23:     0x644aaa99ebf0 - std::panicking::catch_unwind::do_call::hed30a66745299fca
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stderr]   24:     0x644aaa99ebf0 - std::panicking::catch_unwind::hdfb0bc9563518507
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stderr]   25:     0x644aaa99ebf0 - std::panic::catch_unwind::hd0a1d748acfba573
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stderr]   26:     0x644aaa99ebf0 - std::rt::lang_start_internal::{{closure}}::h0c1845f1b3064b93
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/rt.rs:175:24
[INFO] [stderr]   27:     0x644aaa99ebf0 - std::panicking::catch_unwind::do_call::h1114c52e864472d2
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stderr]   28:     0x644aaa99ebf0 - std::panicking::catch_unwind::h91938c6665615bc7
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stderr]   29:     0x644aaa99ebf0 - std::panic::catch_unwind::h0c65d4211626564a
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stderr]   30:     0x644aaa99ebf0 - std::rt::lang_start_internal::hc41e58da8618ff02
[INFO] [stderr]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/rt.rs:171:5
[INFO] [stderr]   31:     0x644aaa97ee0c - main
[INFO] [stderr]   32:     0x7e787d08a1ca - <unknown>
[INFO] [stderr]   33:     0x7e787d08a28b - __libc_start_main
[INFO] [stderr]   34:     0x644aaa97e375 - _start
[INFO] [stderr]   35:                0x0 - <unknown>
[INFO] [stderr] error: test failed, to rerun pass `--test specification`
[INFO] running `Command { std: "docker" "inspect" "c7b271265b5cebdd09caa69ebb44b9a6ffd3e024bdb7cc516105923aa41fc01e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7b271265b5cebdd09caa69ebb44b9a6ffd3e024bdb7cc516105923aa41fc01e", kill_on_drop: false }`
[INFO] [stdout] c7b271265b5cebdd09caa69ebb44b9a6ffd3e024bdb7cc516105923aa41fc01e
