[INFO] fetching crate general-parser 0.0.6...
[INFO] testing general-parser-0.0.6 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate general-parser 0.0.6 into /workspace/builds/worker-3-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate general-parser 0.0.6 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d271cbbd5f8e04079cd45af3bb86294d962c288ba1bef256559c7ff10753f68
[INFO] running `Command { std: "docker" "start" "-a" "6d271cbbd5f8e04079cd45af3bb86294d962c288ba1bef256559c7ff10753f68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d271cbbd5f8e04079cd45af3bb86294d962c288ba1bef256559c7ff10753f68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d271cbbd5f8e04079cd45af3bb86294d962c288ba1bef256559c7ff10753f68", kill_on_drop: false }`
[INFO] [stdout] 6d271cbbd5f8e04079cd45af3bb86294d962c288ba1bef256559c7ff10753f68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a3cc08db19ddfe14d8e4f75c4c98c4417dfc84c6e48e59c74a452c4b33db43a
[INFO] running `Command { std: "docker" "start" "-a" "5a3cc08db19ddfe14d8e4f75c4c98c4417dfc84c6e48e59c74a452c4b33db43a", 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 1.52s
[INFO] running `Command { std: "docker" "inspect" "5a3cc08db19ddfe14d8e4f75c4c98c4417dfc84c6e48e59c74a452c4b33db43a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a3cc08db19ddfe14d8e4f75c4c98c4417dfc84c6e48e59c74a452c4b33db43a", kill_on_drop: false }`
[INFO] [stdout] 5a3cc08db19ddfe14d8e4f75c4c98c4417dfc84c6e48e59c74a452c4b33db43a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b6e7c0c25828e4adca676481367720e878b19330649159c253a5a0f9adcf875
[INFO] running `Command { std: "docker" "start" "-a" "5b6e7c0c25828e4adca676481367720e878b19330649159c253a5a0f9adcf875", 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 1.37s
[INFO] running `Command { std: "docker" "inspect" "5b6e7c0c25828e4adca676481367720e878b19330649159c253a5a0f9adcf875", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b6e7c0c25828e4adca676481367720e878b19330649159c253a5a0f9adcf875", kill_on_drop: false }`
[INFO] [stdout] 5b6e7c0c25828e4adca676481367720e878b19330649159c253a5a0f9adcf875
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6b09f46a26be6a886ecce00b093699f6f9c94625816fd085192c60dff155e3cf
[INFO] running `Command { std: "docker" "start" "-a" "6b09f46a26be6a886ecce00b093699f6f9c94625816fd085192c60dff155e3cf", 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] [stderr]      Running tests/specification.rs (/opt/rustwide/target/debug/deps/specification-791eb3ff545247b0)
[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' (18) 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:     0x58d8744f817a - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x58d8744f817a - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x58d8744f817a - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stderr]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]    3:     0x58d8744f817a - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stderr]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]    4:     0x58d8745089fa - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]    5:     0x58d8745089fa - core[fa0eadad68403074]::fmt::write
[INFO] [stderr]    6:     0x58d8744fbc22 - std[31e582c13f4e914f]::io::default_write_fmt::<std[31e582c13f4e914f]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x58d8744fbc22 - <std[31e582c13f4e914f]::sys::stdio::unix::Stderr as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stderr]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]    8:     0x58d8744de8ff - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]    9:     0x58d8744de8ff - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stderr]   10:     0x58d8744f4371 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stderr]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:319:9
[INFO] [stderr]   11:     0x58d8744f452b - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stderr]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:825:13
[INFO] [stderr]   12:     0x58d8744de9b8 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stderr]   13:     0x58d8744d3fa9 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]   14:     0x58d8744df19d - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stderr]   15:     0x58d8745090ec - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stderr]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stderr]   16:     0x58d874508ec2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stderr]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stderr]   17:     0x58d8744c552f - <core[fa0eadad68403074]::result::Result<std[31e582c13f4e914f]::process::ExitStatus, std[31e582c13f4e914f]::io::error::Error>>::unwrap
[INFO] [stderr]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1233:23
[INFO] [stderr]   18:     0x58d8744c552f - specification[89feaf592a96e1cd]::main
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/specification.rs:7:4
[INFO] [stderr]   19:     0x58d8744c7c2b - <fn() -> std[31e582c13f4e914f]::process::ExitCode as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   20:     0x58d8744c4e2e - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<fn() -> std[31e582c13f4e914f]::process::ExitCode, std[31e582c13f4e914f]::process::ExitCode>
[INFO] [stderr]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:166:18
[INFO] [stderr]   21:     0x58d8744c5391 - std[31e582c13f4e914f]::rt::lang_start::<std[31e582c13f4e914f]::process::ExitCode>::{closure#0}
[INFO] [stderr]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/rt.rs:206:18
[INFO] [stderr]   22:     0x58d8744f36f4 - <&dyn core[fa0eadad68403074]::ops::function::Fn<(), Output = i32> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::panic::unwind_safe::RefUnwindSafe as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:287:21
[INFO] [stderr]   23:     0x58d8744f36f4 - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<&dyn core[fa0eadad68403074]::ops::function::Fn<(), Output = i32> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stderr]   24:     0x58d8744f36f4 - std[31e582c13f4e914f]::panicking::catch_unwind::<i32, &dyn core[fa0eadad68403074]::ops::function::Fn<(), Output = i32> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stderr]   25:     0x58d8744f36f4 - std[31e582c13f4e914f]::panic::catch_unwind::<&dyn core[fa0eadad68403074]::ops::function::Fn<(), Output = i32> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stderr]   26:     0x58d8744f36f4 - std[31e582c13f4e914f]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/rt.rs:175:24
[INFO] [stderr]   27:     0x58d8744f36f4 - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<std[31e582c13f4e914f]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stderr]   28:     0x58d8744f36f4 - std[31e582c13f4e914f]::panicking::catch_unwind::<isize, std[31e582c13f4e914f]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stderr]   29:     0x58d8744f36f4 - std[31e582c13f4e914f]::panic::catch_unwind::<std[31e582c13f4e914f]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stderr]   30:     0x58d8744f36f4 - std[31e582c13f4e914f]::rt::lang_start_internal
[INFO] [stderr]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/rt.rs:171:5
[INFO] [stderr]   31:     0x58d8744c4567 - std[31e582c13f4e914f]::rt::lang_start::<std[31e582c13f4e914f]::process::ExitCode>
[INFO] [stderr]                                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/rt.rs:205:5
[INFO] [stderr]   32:     0x58d8744c801e - main
[INFO] [stderr]   33:     0x78182e52f1ca - <unknown>
[INFO] [stderr]   34:     0x78182e52f28b - __libc_start_main
[INFO] [stderr]   35:     0x58d8744c3c15 - _start
[INFO] [stderr]   36:                0x0 - <unknown>
[INFO] [stderr] error: test failed, to rerun pass `--test specification`
[INFO] running `Command { std: "docker" "inspect" "6b09f46a26be6a886ecce00b093699f6f9c94625816fd085192c60dff155e3cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b09f46a26be6a886ecce00b093699f6f9c94625816fd085192c60dff155e3cf", kill_on_drop: false }`
[INFO] [stdout] 6b09f46a26be6a886ecce00b093699f6f9c94625816fd085192c60dff155e3cf