[INFO] cloning repository https://github.com/kujirahand/klex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kujirahand/klex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkujirahand%2Fklex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkujirahand%2Fklex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8c207cb214306b67ccde6d272521a85b366d9936
[INFO] testing kujirahand/klex against 1.98.0-beta.1 for beta-1.98-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkujirahand%2Fklex" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kujirahand/klex
[INFO] finished tweaking git repo https://github.com/kujirahand/klex
[INFO] tweaked toml for git repo https://github.com/kujirahand/klex written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kujirahand/klex on toolchain 1.98.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kujirahand/klex 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" "+1.98.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c7e88a6708c2894c2de320c09ac8095b622b31d491ac266512579a11954d4be8
[INFO] running `Command { std: "docker" "start" "c7e88a6708c2894c2de320c09ac8095b622b31d491ac266512579a11954d4be8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7e88a6708c2894c2de320c09ac8095b622b31d491ac266512579a11954d4be8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c7e88a6708c2894c2de320c09ac8095b622b31d491ac266512579a11954d4be8" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7e88a6708c2894c2de320c09ac8095b622b31d491ac266512579a11954d4be8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c7e88a6708c2894c2de320c09ac8095b622b31d491ac266512579a11954d4be8" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling klex v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: klex@0.1.2: klex binary not found. Run 'make generate-lexers' after build to generate test lexers.
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.19s
[INFO] running `Command { std: "docker" "inspect" "c7e88a6708c2894c2de320c09ac8095b622b31d491ac266512579a11954d4be8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c7e88a6708c2894c2de320c09ac8095b622b31d491ac266512579a11954d4be8" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: klex@0.1.2: klex binary not found. Run 'make generate-lexers' after build to generate test lexers.
[INFO] [stderr]    Compiling klex v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "c7e88a6708c2894c2de320c09ac8095b622b31d491ac266512579a11954d4be8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c7e88a6708c2894c2de320c09ac8095b622b31d491ac266512579a11954d4be8" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: klex@0.1.2: klex binary not found. Run 'make generate-lexers' after build to generate test lexers.
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/klex-85482aa6ad55c4e7)
[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 unittests src/main.rs (/opt/rustwide/target/debug/deps/klex-26f0ceff6f8bdd56)
[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]    Doc-tests klex
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 12) ... FAILED
[INFO] [stdout] test src/parser.rs - parser::parse_spec (line 317) ... ok
[INFO] [stdout] test src/generator.rs - generator::generate_lexer (line 200) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 12) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (399) panicked at src/lib.rs:18:32:
[INFO] [stdout] Failed to write output: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5b75cdb085e1 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5b75cdb085e1 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5b75cdb085e1 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5b75cdb085e1 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5b75cdb1902a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5b75cdb1902a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5b75cdb0bccc - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5b75cdb0bccc - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5b75cdaf3696 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5b75cdaf3696 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5b75cdb04041 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x5b75cdb041fb - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:815:13
[INFO] [stdout]   12:     0x5b75cdaf3742 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stdout]   13:     0x5b75cdaeb299 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x5b75cdaf3ebd - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   15:     0x5b75cdb1979c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x5b75cdb19572 - core[6883ba1bc0fe4ed1]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1870:5
[INFO] [stdout]   17:     0x5b75cdab59b0 - <core[6883ba1bc0fe4ed1]::result::Result<(), core[6883ba1bc0fe4ed1]::io::error::Error>>::expect
[INFO] [stdout]   18:     0x5b75cdab5e94 - rust_out[c5d83d26dbed9be7]::main::_doctest_main_src_lib_rs_12_0
[INFO] [stdout]   19:     0x5b75cdab57a6 - rust_out[c5d83d26dbed9be7]::main
[INFO] [stdout]   20:     0x5b75cdab6143 - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   21:     0x5b75cdab55f6 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]   22:     0x5b75cdab5759 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]   23:     0x5b75cdb03797 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   24:     0x5b75cdb03797 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   25:     0x5b75cdb03797 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   26:     0x5b75cdb03797 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   27:     0x5b75cdb03797 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stdout]   28:     0x5b75cdb03797 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   29:     0x5b75cdb03797 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5b75cdb03797 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5b75cdb03797 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stdout]   32:     0x5b75cdab55e1 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stdout]   33:     0x5b75cdab61a5 - main
[INFO] [stdout]   34:     0x799b378c61ca - <unknown>
[INFO] [stdout]   35:     0x799b378c628b - __libc_start_main
[INFO] [stdout]   36:     0x5b75cdab52e5 - _start
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 12)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.39s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "c7e88a6708c2894c2de320c09ac8095b622b31d491ac266512579a11954d4be8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7e88a6708c2894c2de320c09ac8095b622b31d491ac266512579a11954d4be8", kill_on_drop: false }`
[INFO] [stdout] c7e88a6708c2894c2de320c09ac8095b622b31d491ac266512579a11954d4be8
