[INFO] fetching crate general-parser 0.0.6...
[INFO] testing general-parser-0.0.6 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate general-parser 0.0.6 into /workspace/builds/worker-3-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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate general-parser 0.0.6 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67fb764e4cced016af802b50fc49b71e16d0e117ab4d5da3a52321cd47055e4a
[INFO] running `Command { std: "docker" "start" "-a" "67fb764e4cced016af802b50fc49b71e16d0e117ab4d5da3a52321cd47055e4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67fb764e4cced016af802b50fc49b71e16d0e117ab4d5da3a52321cd47055e4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67fb764e4cced016af802b50fc49b71e16d0e117ab4d5da3a52321cd47055e4a", kill_on_drop: false }`
[INFO] [stdout] 67fb764e4cced016af802b50fc49b71e16d0e117ab4d5da3a52321cd47055e4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2db8125876c72b8fbfc9fc1521eed5fe907cc0e2bb1c61203bfb0120ffff7c2
[INFO] running `Command { std: "docker" "start" "-a" "e2db8125876c72b8fbfc9fc1521eed5fe907cc0e2bb1c61203bfb0120ffff7c2", 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 1.44s
[INFO] running `Command { std: "docker" "inspect" "e2db8125876c72b8fbfc9fc1521eed5fe907cc0e2bb1c61203bfb0120ffff7c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2db8125876c72b8fbfc9fc1521eed5fe907cc0e2bb1c61203bfb0120ffff7c2", kill_on_drop: false }`
[INFO] [stdout] e2db8125876c72b8fbfc9fc1521eed5fe907cc0e2bb1c61203bfb0120ffff7c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1ad8bb794165762e913f33e81ad9dce5fc411490ef11037b1466da76a1cac6e
[INFO] running `Command { std: "docker" "start" "-a" "d1ad8bb794165762e913f33e81ad9dce5fc411490ef11037b1466da76a1cac6e", 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 1.22s
[INFO] running `Command { std: "docker" "inspect" "d1ad8bb794165762e913f33e81ad9dce5fc411490ef11037b1466da76a1cac6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1ad8bb794165762e913f33e81ad9dce5fc411490ef11037b1466da76a1cac6e", kill_on_drop: false }`
[INFO] [stdout] d1ad8bb794165762e913f33e81ad9dce5fc411490ef11037b1466da76a1cac6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 37bb5b558be02667a0aac5e8199071accbc647a914687ee2be56c92a83ee10c0
[INFO] running `Command { std: "docker" "start" "-a" "37bb5b558be02667a0aac5e8199071accbc647a914687ee2be56c92a83ee10c0", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/general_parser-16006d7d488ba95b)
[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-791eb3ff545247b0)
[INFO] [stderr] 
[INFO] [stderr] thread 'main' (17) 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:     0x5f61abbaf17a - std[e72de78501789eb0]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x5f61abbaf17a - std[e72de78501789eb0]::backtrace_rs::backtrace::trace_unsynchronized::<std[e72de78501789eb0]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x5f61abbaf17a - std[e72de78501789eb0]::sys::backtrace::_print_fmt
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]    3:     0x5f61abbaf17a - <<std[e72de78501789eb0]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6aaeda2c7ad07a48]::fmt::Display>::fmt
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]    4:     0x5f61abbbf9fa - <core[6aaeda2c7ad07a48]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]    5:     0x5f61abbbf9fa - core[6aaeda2c7ad07a48]::fmt::write
[INFO] [stderr]    6:     0x5f61abbb2c22 - std[e72de78501789eb0]::io::default_write_fmt::<std[e72de78501789eb0]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x5f61abbb2c22 - <std[e72de78501789eb0]::sys::stdio::unix::Stderr as std[e72de78501789eb0]::io::Write>::write_fmt
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]    8:     0x5f61abb958ff - <std[e72de78501789eb0]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]    9:     0x5f61abb958ff - std[e72de78501789eb0]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:292:27
[INFO] [stderr]   10:     0x5f61abbab3c1 - std[e72de78501789eb0]::panicking::default_hook
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:319:9
[INFO] [stderr]   11:     0x5f61abbab57b - std[e72de78501789eb0]::panicking::panic_with_hook
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:825:13
[INFO] [stderr]   12:     0x5f61abb959b8 - std[e72de78501789eb0]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:698:13
[INFO] [stderr]   13:     0x5f61abb8d739 - std[e72de78501789eb0]::sys::backtrace::__rust_end_short_backtrace::<std[e72de78501789eb0]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]   14:     0x5f61abb9619d - __rustc[78a4cf188af856fc]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:689:5
[INFO] [stderr]   15:     0x5f61abbc00ec - core[6aaeda2c7ad07a48]::panicking::panic_fmt
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/panicking.rs:80:14
[INFO] [stderr]   16:     0x5f61abbbfec2 - core[6aaeda2c7ad07a48]::result::unwrap_failed
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/result.rs:1867:5
[INFO] [stderr]   17:     0x5f61abb7c52f - <core[6aaeda2c7ad07a48]::result::Result<std[e72de78501789eb0]::process::ExitStatus, std[e72de78501789eb0]::io::error::Error>>::unwrap
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/result.rs:1233:23
[INFO] [stderr]   18:     0x5f61abb7c52f - specification[919f69e55ad7a7db]::main
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/specification.rs:7:4
[INFO] [stderr]   19:     0x5f61abb7ec2b - <fn() -> std[e72de78501789eb0]::process::ExitCode as core[6aaeda2c7ad07a48]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   20:     0x5f61abb7be2e - std[e72de78501789eb0]::sys::backtrace::__rust_begin_short_backtrace::<fn() -> std[e72de78501789eb0]::process::ExitCode, std[e72de78501789eb0]::process::ExitCode>
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:166:18
[INFO] [stderr]   21:     0x5f61abb7c391 - std[e72de78501789eb0]::rt::lang_start::<std[e72de78501789eb0]::process::ExitCode>::{closure#0}
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/rt.rs:206:18
[INFO] [stderr]   22:     0x5f61abbaa744 - <&dyn core[6aaeda2c7ad07a48]::ops::function::Fn<(), Output = i32> + core[6aaeda2c7ad07a48]::marker::Sync + core[6aaeda2c7ad07a48]::panic::unwind_safe::RefUnwindSafe as core[6aaeda2c7ad07a48]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/ops/function.rs:287:21
[INFO] [stderr]   23:     0x5f61abbaa744 - std[e72de78501789eb0]::panicking::catch_unwind::do_call::<&dyn core[6aaeda2c7ad07a48]::ops::function::Fn<(), Output = i32> + core[6aaeda2c7ad07a48]::marker::Sync + core[6aaeda2c7ad07a48]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:581:40
[INFO] [stderr]   24:     0x5f61abbaa744 - std[e72de78501789eb0]::panicking::catch_unwind::<i32, &dyn core[6aaeda2c7ad07a48]::ops::function::Fn<(), Output = i32> + core[6aaeda2c7ad07a48]::marker::Sync + core[6aaeda2c7ad07a48]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:544:19
[INFO] [stderr]   25:     0x5f61abbaa744 - std[e72de78501789eb0]::panic::catch_unwind::<&dyn core[6aaeda2c7ad07a48]::ops::function::Fn<(), Output = i32> + core[6aaeda2c7ad07a48]::marker::Sync + core[6aaeda2c7ad07a48]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panic.rs:359:14
[INFO] [stderr]   26:     0x5f61abbaa744 - std[e72de78501789eb0]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/rt.rs:175:24
[INFO] [stderr]   27:     0x5f61abbaa744 - std[e72de78501789eb0]::panicking::catch_unwind::do_call::<std[e72de78501789eb0]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:581:40
[INFO] [stderr]   28:     0x5f61abbaa744 - std[e72de78501789eb0]::panicking::catch_unwind::<isize, std[e72de78501789eb0]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:544:19
[INFO] [stderr]   29:     0x5f61abbaa744 - std[e72de78501789eb0]::panic::catch_unwind::<std[e72de78501789eb0]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panic.rs:359:14
[INFO] [stderr]   30:     0x5f61abbaa744 - std[e72de78501789eb0]::rt::lang_start_internal
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/rt.rs:171:5
[INFO] [stderr]   31:     0x5f61abb7be17 - std[e72de78501789eb0]::rt::lang_start::<std[e72de78501789eb0]::process::ExitCode>
[INFO] [stderr]                                at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/rt.rs:205:5
[INFO] [stderr]   32:     0x5f61abb7f01e - main
[INFO] [stderr]   33:     0x7fc0a5ac51ca - <unknown>
[INFO] [stderr]   34:     0x7fc0a5ac528b - __libc_start_main
[INFO] [stderr]   35:     0x5f61abb7ac15 - _start
[INFO] [stderr]   36:                0x0 - <unknown>
[INFO] [stderr] error: test failed, to rerun pass `--test specification`
[INFO] running `Command { std: "docker" "inspect" "37bb5b558be02667a0aac5e8199071accbc647a914687ee2be56c92a83ee10c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37bb5b558be02667a0aac5e8199071accbc647a914687ee2be56c92a83ee10c0", kill_on_drop: false }`
[INFO] [stdout] 37bb5b558be02667a0aac5e8199071accbc647a914687ee2be56c92a83ee10c0