[INFO] fetching crate general-parser 0.0.6...
[INFO] testing general-parser-0.0.6 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate general-parser 0.0.6 into /workspace/builds/worker-2-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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate general-parser 0.0.6 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 829b49b2d659d9afe91a407603050bd22ace1e414da30ddc33cd490f07e4972b
[INFO] running `Command { std: "docker" "start" "-a" "829b49b2d659d9afe91a407603050bd22ace1e414da30ddc33cd490f07e4972b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "829b49b2d659d9afe91a407603050bd22ace1e414da30ddc33cd490f07e4972b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "829b49b2d659d9afe91a407603050bd22ace1e414da30ddc33cd490f07e4972b", kill_on_drop: false }`
[INFO] [stdout] 829b49b2d659d9afe91a407603050bd22ace1e414da30ddc33cd490f07e4972b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a97ce3bc11cac7e5f8c67798c9a08008dc673cbf133538b856c56b9c42daf1de
[INFO] running `Command { std: "docker" "start" "-a" "a97ce3bc11cac7e5f8c67798c9a08008dc673cbf133538b856c56b9c42daf1de", 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 1.48s
[INFO] running `Command { std: "docker" "inspect" "a97ce3bc11cac7e5f8c67798c9a08008dc673cbf133538b856c56b9c42daf1de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a97ce3bc11cac7e5f8c67798c9a08008dc673cbf133538b856c56b9c42daf1de", kill_on_drop: false }`
[INFO] [stdout] a97ce3bc11cac7e5f8c67798c9a08008dc673cbf133538b856c56b9c42daf1de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4467f764ad51a0c95d428fea8df1a307b285eb55fb4fd1c7cb49eaa0bd32a33
[INFO] running `Command { std: "docker" "start" "-a" "f4467f764ad51a0c95d428fea8df1a307b285eb55fb4fd1c7cb49eaa0bd32a33", 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 0.91s
[INFO] running `Command { std: "docker" "inspect" "f4467f764ad51a0c95d428fea8df1a307b285eb55fb4fd1c7cb49eaa0bd32a33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4467f764ad51a0c95d428fea8df1a307b285eb55fb4fd1c7cb49eaa0bd32a33", kill_on_drop: false }`
[INFO] [stdout] f4467f764ad51a0c95d428fea8df1a307b285eb55fb4fd1c7cb49eaa0bd32a33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d9a4320d2b06eb2b372a24fd4f3726cc9e5ddaca2b878e272899efbd6d78edcb
[INFO] running `Command { std: "docker" "start" "-a" "d9a4320d2b06eb2b372a24fd4f3726cc9e5ddaca2b878e272899efbd6d78edcb", 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-466ab724f638f932)
[INFO] [stderr]      Running tests/specification.rs (/opt/rustwide/target/debug/deps/specification-8d23f6aff280a437)
[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] 
[INFO] [stderr] thread 'main' (25) 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:     0x59d505dae5b2 - std::backtrace_rs::backtrace::libunwind::trace::h9ea1e07ac77a25d7
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x59d505dae5b2 - std::backtrace_rs::backtrace::trace_unsynchronized::h72b75eb83b53d15a
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x59d505dae5b2 - std::sys::backtrace::_print_fmt::h255777b7ec902439
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]    3:     0x59d505dae5b2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8a1ac49fcd7ee8ce
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]    4:     0x59d505dbd37f - core::fmt::rt::Argument::fmt::h635cbf3c6754cc90
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]    5:     0x59d505dbd37f - core::fmt::write::hbdcc0ec4f1bab1db
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]    6:     0x59d505d86323 - std::io::default_write_fmt::hb29d13affe7e9cd0
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x59d505d86323 - std::io::Write::write_fmt::hec441b8c6eca32b9
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]    8:     0x59d505d8ed12 - std::sys::backtrace::BacktraceLock::print::h052febbd86f7bf07
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]    9:     0x59d505d9063c - std::panicking::default_hook::{{closure}}::h66aeee20dd470abb
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:301:27
[INFO] [stderr]   10:     0x59d505d90496 - std::panicking::default_hook::h9d66b9642014ce48
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:328:9
[INFO] [stderr]   11:     0x59d505d90c15 - std::panicking::panic_with_hook::h6d5921a1a1fa5a8e
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:834:13
[INFO] [stderr]   12:     0x59d505d90aaa - std::panicking::panic_handler::{{closure}}::hafeef6f707d43542
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:707:13
[INFO] [stderr]   13:     0x59d505d8ee49 - std::sys::backtrace::__rust_end_short_backtrace::h08cbc3319a3d0120
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]   14:     0x59d505d7acfd - __rustc[ce5c411ff86ab1b2]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:698:5
[INFO] [stderr]   15:     0x59d505dc0750 - core::panicking::panic_fmt::h774fb860369a0f7b
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panicking.rs:80:14
[INFO] [stderr]   16:     0x59d505dbffd6 - core::result::unwrap_failed::h72ee8fcbf1bf8ff9
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/result.rs:1862:5
[INFO] [stderr]   17:     0x59d505d7693f - core::result::Result<T,E>::unwrap::hf2714a2317e461cd
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/result.rs:1233:23
[INFO] [stderr]   18:     0x59d505d7693f - specification::main::hd0eab47ab0878b46
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/specification.rs:7:4
[INFO] [stderr]   19:     0x59d505d77a2b - core::ops::function::FnOnce::call_once::ha8226cc0c4fcb01d
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   20:     0x59d505d777ce - std::sys::backtrace::__rust_begin_short_backtrace::he5316bfa297c50c5
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:158:18
[INFO] [stderr]   21:     0x59d505d776c1 - std::rt::lang_start::{{closure}}::h51507ad3c9d1c398
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:206:18
[INFO] [stderr]   22:     0x59d505d87560 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h9095abc9db71b07e
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ops/function.rs:287:21
[INFO] [stderr]   23:     0x59d505d87560 - std::panicking::catch_unwind::do_call::h6cf5dc461761418c
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40
[INFO] [stderr]   24:     0x59d505d87560 - std::panicking::catch_unwind::h60074fd2327f40bd
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19
[INFO] [stderr]   25:     0x59d505d87560 - std::panic::catch_unwind::heb14fa8e39d051cf
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14
[INFO] [stderr]   26:     0x59d505d87560 - std::rt::lang_start_internal::{{closure}}::hfb550bec36306a19
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:175:24
[INFO] [stderr]   27:     0x59d505d87560 - std::panicking::catch_unwind::do_call::hc805f36f35b6d647
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40
[INFO] [stderr]   28:     0x59d505d87560 - std::panicking::catch_unwind::hb8d32f0195463ad2
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19
[INFO] [stderr]   29:     0x59d505d87560 - std::panic::catch_unwind::hcebe3b1d5adfc5a2
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14
[INFO] [stderr]   30:     0x59d505d87560 - std::rt::lang_start_internal::h27f55ed238aa26df
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:171:5
[INFO] [stderr]   31:     0x59d505d776a7 - std::rt::lang_start::hc3e851c93f277eac
[INFO] [stderr]                                at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:205:5
[INFO] [stderr]   32:     0x59d505d7aa1e - main
[INFO] [stderr]   33:     0x7ab279c5c1ca - <unknown>
[INFO] [stderr]   34:     0x7ab279c5c28b - __libc_start_main
[INFO] [stderr]   35:     0x59d505d76765 - _start
[INFO] [stderr]   36:                0x0 - <unknown>
[INFO] [stderr] error: test failed, to rerun pass `--test specification`
[INFO] running `Command { std: "docker" "inspect" "d9a4320d2b06eb2b372a24fd4f3726cc9e5ddaca2b878e272899efbd6d78edcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9a4320d2b06eb2b372a24fd4f3726cc9e5ddaca2b878e272899efbd6d78edcb", kill_on_drop: false }`
[INFO] [stdout] d9a4320d2b06eb2b372a24fd4f3726cc9e5ddaca2b878e272899efbd6d78edcb