[INFO] fetching crate tracing-chrome 0.7.2...
[INFO] testing tracing-chrome-0.7.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate tracing-chrome 0.7.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate tracing-chrome 0.7.2
[INFO] finished tweaking crates.io crate tracing-chrome 0.7.2
[INFO] tweaked toml for crates.io crate tracing-chrome 0.7.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracing-chrome 0.7.2 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tracing-chrome 0.7.2 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded plotters-backend v0.3.5
[INFO] [stderr]   Downloaded plotters-svg v0.3.5
[INFO] [stderr]   Downloaded ryu v1.0.17
[INFO] [stderr]   Downloaded is-terminal v0.4.12
[INFO] [stderr]   Downloaded oorandom v11.1.3
[INFO] [stderr]   Downloaded rayon v1.9.0
[INFO] [stderr]   Downloaded num-traits v0.2.18
[INFO] [stderr]   Downloaded bumpalo v3.15.4
[INFO] [stderr]   Downloaded clap v4.5.3
[INFO] [stderr]   Downloaded plotters v0.3.5
[INFO] [stderr]   Downloaded serde_json v1.0.114
[INFO] [stderr]   Downloaded syn v2.0.52
[INFO] [stderr]   Downloaded libc v0.2.153
[INFO] [stderr]   Downloaded regex v1.10.3
[INFO] [stderr]   Downloaded half v2.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0571623c8fc34f0b1913f8e1dff6884c1dddfc8a993fde72ff3afd5494b0bd1e
[INFO] running `Command { std: "docker" "start" "-a" "0571623c8fc34f0b1913f8e1dff6884c1dddfc8a993fde72ff3afd5494b0bd1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0571623c8fc34f0b1913f8e1dff6884c1dddfc8a993fde72ff3afd5494b0bd1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0571623c8fc34f0b1913f8e1dff6884c1dddfc8a993fde72ff3afd5494b0bd1e", kill_on_drop: false }`
[INFO] [stdout] 0571623c8fc34f0b1913f8e1dff6884c1dddfc8a993fde72ff3afd5494b0bd1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76f96a1dd7f241845bfd45fd71ab83f9538d43bbe93451c79fbf05689d94f854
[INFO] running `Command { std: "docker" "start" "-a" "76f96a1dd7f241845bfd45fd71ab83f9538d43bbe93451c79fbf05689d94f854", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling tracing-chrome v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.64s
[INFO] running `Command { std: "docker" "inspect" "76f96a1dd7f241845bfd45fd71ab83f9538d43bbe93451c79fbf05689d94f854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76f96a1dd7f241845bfd45fd71ab83f9538d43bbe93451c79fbf05689d94f854", kill_on_drop: false }`
[INFO] [stdout] 76f96a1dd7f241845bfd45fd71ab83f9538d43bbe93451c79fbf05689d94f854
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52760bf0369d9257ed95612b9e767e5c91e3da0b29bb6aafea18f39a134ba9e9
[INFO] running `Command { std: "docker" "start" "-a" "52760bf0369d9257ed95612b9e767e5c91e3da0b29bb6aafea18f39a134ba9e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling half v2.4.0
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling anstyle v1.0.6
[INFO] [stderr]    Compiling plotters-backend v0.3.5
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling plotters-svg v0.3.5
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling clap_builder v4.5.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling is-terminal v0.4.12
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling plotters v0.3.5
[INFO] [stderr]    Compiling rayon v1.9.0
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling clap v4.5.3
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling tracing-chrome v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 19.36s
[INFO] running `Command { std: "docker" "inspect" "52760bf0369d9257ed95612b9e767e5c91e3da0b29bb6aafea18f39a134ba9e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52760bf0369d9257ed95612b9e767e5c91e3da0b29bb6aafea18f39a134ba9e9", kill_on_drop: false }`
[INFO] [stdout] 52760bf0369d9257ed95612b9e767e5c91e3da0b29bb6aafea18f39a134ba9e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b96ecae92520cbfa8ed458cb881fc3211733c178b276f38a03b9072356b26d9d
[INFO] running `Command { std: "docker" "start" "-a" "b96ecae92520cbfa8ed458cb881fc3211733c178b276f38a03b9072356b26d9d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tracing_chrome-3bfe2e7d6db4f926)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tracing_chrome
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - ChromeLayerBuilder<S>::name_fn (line 157) ... FAILED
[INFO] [stdout] test src/lib.rs - ChromeLayerBuilder<S>::category_fn (line 179) ... FAILED
[INFO] [stdout] test src/lib.rs - ChromeLayerBuilder<S>::writer (line 111) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - ChromeLayerBuilder<S>::name_fn (line 157) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (78) panicked at src/lib.rs:279:10:
[INFO] [stdout] Failed to create trace file.: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5e8a91db9552 - std::backtrace_rs::backtrace::libunwind::trace::ha50a1f28c7a10cf8
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5e8a91db9552 - std::backtrace_rs::backtrace::trace_unsynchronized::h34f8c4ec82a320bc
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5e8a91db9552 - std::sys::backtrace::_print_fmt::h2d23e84e13d343bc
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5e8a91db9552 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hde21067283f7e82e
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5e8a91dc9eff - core::fmt::rt::Argument::fmt::he65307037dca33c6
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5e8a91dc9eff - core::fmt::write::h24186904251c31cb
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x5e8a91d95593 - std::io::default_write_fmt::hdc5d19b6df666f61
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5e8a91d95593 - std::io::Write::write_fmt::h3ab9f1f4d8d19b72
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5e8a91d9b4f2 - std::sys::backtrace::BacktraceLock::print::he038489aba5894a6
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5e8a91d9dc8f - std::panicking::default_hook::{{closure}}::h80a26d916c49679b
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5e8a91d9dae9 - std::panicking::default_hook::he2e9efee79b3dce9
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:328:9
[INFO] [stdout]   11:     0x5e8a91d9e265 - std::panicking::panic_with_hook::hf5648b7cec6bc73e
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:834:13
[INFO] [stdout]   12:     0x5e8a91d9e0fa - std::panicking::panic_handler::{{closure}}::h1b2ed3864ba94359
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:707:13
[INFO] [stdout]   13:     0x5e8a91d9b639 - std::sys::backtrace::__rust_end_short_backtrace::hd0186b2b27f5aaa7
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   14:     0x5e8a91d89fbd - __rustc[f7dae8b92efe1d7a]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:698:5
[INFO] [stdout]   15:     0x5e8a91dd19d0 - core::panicking::panic_fmt::hb5d6b83773432920
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x5e8a91dd0f86 - core::result::unwrap_failed::h427ee4a8bb06d8af
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/result.rs:1862:5
[INFO] [stdout]   17:     0x5e8a91d3562e - core::result::Result<T,E>::expect::h9e8e147b96024e5f
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/result.rs:1185:23
[INFO] [stdout]   18:     0x5e8a91d325f4 - tracing_chrome::create_default_writer::h25ddc6375456ef63
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:279:10
[INFO] [stdout]   19:     0x5e8a91d1b69a - tracing_chrome::ChromeLayer<S>::new::{{closure}}::ha3d8c4ec6e625ef6
[INFO] [stdout]   20:     0x5e8a91d26935 - core::option::Option<T>::unwrap_or_else::ha7e852c9fce74e95
[INFO] [stdout]   21:     0x5e8a91d178f9 - tracing_chrome::ChromeLayer<S>::new::hce770755ab4f8cbf
[INFO] [stdout]   22:     0x5e8a91d1bb1d - tracing_chrome::ChromeLayerBuilder<S>::build::hcb6caaf5e8e33824
[INFO] [stdout]   23:     0x5e8a91d2a116 - rust_out::main::_doctest_main_src_lib_rs_157_0::h422a134f68a06e7a
[INFO] [stdout]   24:     0x5e8a91d2a016 - rust_out::main::hbdf05be24bd65ee6
[INFO] [stdout]   25:     0x5e8a91d24763 - core::ops::function::FnOnce::call_once::h1e8c751e4a62d14e
[INFO] [stdout]   26:     0x5e8a91d1d386 - std::sys::backtrace::__rust_begin_short_backtrace::h6f205b09ee900b2a
[INFO] [stdout]   27:     0x5e8a91d1d1f9 - std::rt::lang_start::{{closure}}::h374dad1e7f5efc95
[INFO] [stdout]   28:     0x5e8a91d96d00 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h8434f550918e723f
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   29:     0x5e8a91d96d00 - std::panicking::catch_unwind::do_call::h7f7a838f33db43be
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40
[INFO] [stdout]   30:     0x5e8a91d96d00 - std::panicking::catch_unwind::hf345702047129f6d
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19
[INFO] [stdout]   31:     0x5e8a91d96d00 - std::panic::catch_unwind::h42f92c278294a3a0
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x5e8a91d96d00 - std::rt::lang_start_internal::{{closure}}::ha6834eab5ce60f45
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/rt.rs:175:24
[INFO] [stdout]   33:     0x5e8a91d96d00 - std::panicking::catch_unwind::do_call::hf4afda32c60c9e55
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40
[INFO] [stdout]   34:     0x5e8a91d96d00 - std::panicking::catch_unwind::hbfda5503aab4db1e
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19
[INFO] [stdout]   35:     0x5e8a91d96d00 - std::panic::catch_unwind::h1a1ed11560d244f4
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14
[INFO] [stdout]   36:     0x5e8a91d96d00 - std::rt::lang_start_internal::h1f713c0146d469ad
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/rt.rs:171:5
[INFO] [stdout]   37:     0x5e8a91d1d1e1 - std::rt::lang_start::h25a068bab729a087
[INFO] [stdout]   38:     0x5e8a91d2ba75 - main
[INFO] [stdout]   39:     0x7c9cfd43c1ca - <unknown>
[INFO] [stdout]   40:     0x7c9cfd43c28b - __libc_start_main
[INFO] [stdout]   41:     0x5e8a91d147a5 - _start
[INFO] [stdout]   42:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - ChromeLayerBuilder<S>::category_fn (line 179) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (137) panicked at src/lib.rs:279:10:
[INFO] [stdout] Failed to create trace file.: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5d086e2f14f2 - std::backtrace_rs::backtrace::libunwind::trace::ha50a1f28c7a10cf8
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5d086e2f14f2 - std::backtrace_rs::backtrace::trace_unsynchronized::h34f8c4ec82a320bc
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5d086e2f14f2 - std::sys::backtrace::_print_fmt::h2d23e84e13d343bc
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5d086e2f14f2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hde21067283f7e82e
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5d086e301e9f - core::fmt::rt::Argument::fmt::he65307037dca33c6
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5d086e301e9f - core::fmt::write::h24186904251c31cb
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x5d086e2cd533 - std::io::default_write_fmt::hdc5d19b6df666f61
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5d086e2cd533 - std::io::Write::write_fmt::h3ab9f1f4d8d19b72
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5d086e2d3492 - std::sys::backtrace::BacktraceLock::print::he038489aba5894a6
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5d086e2d5c2f - std::panicking::default_hook::{{closure}}::h80a26d916c49679b
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5d086e2d5a89 - std::panicking::default_hook::he2e9efee79b3dce9
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:328:9
[INFO] [stdout]   11:     0x5d086e2d6205 - std::panicking::panic_with_hook::hf5648b7cec6bc73e
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:834:13
[INFO] [stdout]   12:     0x5d086e2d609a - std::panicking::panic_handler::{{closure}}::h1b2ed3864ba94359
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:707:13
[INFO] [stdout]   13:     0x5d086e2d35d9 - std::sys::backtrace::__rust_end_short_backtrace::hd0186b2b27f5aaa7
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   14:     0x5d086e2c1f5d - __rustc[f7dae8b92efe1d7a]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:698:5
[INFO] [stdout]   15:     0x5d086e309970 - core::panicking::panic_fmt::hb5d6b83773432920
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x5d086e308f26 - core::result::unwrap_failed::h427ee4a8bb06d8af
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/result.rs:1862:5
[INFO] [stdout]   17:     0x5d086e26d5ce - core::result::Result<T,E>::expect::h9e8e147b96024e5f
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/result.rs:1185:23
[INFO] [stdout]   18:     0x5d086e26a594 - tracing_chrome::create_default_writer::h25ddc6375456ef63
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:279:10
[INFO] [stdout]   19:     0x5d086e25367a - tracing_chrome::ChromeLayer<S>::new::{{closure}}::ha3d8c4ec6e625ef6
[INFO] [stdout]   20:     0x5d086e25e915 - core::option::Option<T>::unwrap_or_else::ha7e852c9fce74e95
[INFO] [stdout]   21:     0x5d086e24f8d9 - tracing_chrome::ChromeLayer<S>::new::hce770755ab4f8cbf
[INFO] [stdout]   22:     0x5d086e253b9d - tracing_chrome::ChromeLayerBuilder<S>::build::hcb6caaf5e8e33824
[INFO] [stdout]   23:     0x5d086e2620f6 - rust_out::main::_doctest_main_src_lib_rs_179_0::h2519e70ad383df99
[INFO] [stdout]   24:     0x5d086e261ff6 - rust_out::main::hbdf05be24bd65ee6
[INFO] [stdout]   25:     0x5d086e25c743 - core::ops::function::FnOnce::call_once::h1e8c751e4a62d14e
[INFO] [stdout]   26:     0x5d086e255366 - std::sys::backtrace::__rust_begin_short_backtrace::h6f205b09ee900b2a
[INFO] [stdout]   27:     0x5d086e2551d9 - std::rt::lang_start::{{closure}}::h374dad1e7f5efc95
[INFO] [stdout]   28:     0x5d086e2ceca0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h8434f550918e723f
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   29:     0x5d086e2ceca0 - std::panicking::catch_unwind::do_call::h7f7a838f33db43be
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40
[INFO] [stdout]   30:     0x5d086e2ceca0 - std::panicking::catch_unwind::hf345702047129f6d
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19
[INFO] [stdout]   31:     0x5d086e2ceca0 - std::panic::catch_unwind::h42f92c278294a3a0
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x5d086e2ceca0 - std::rt::lang_start_internal::{{closure}}::ha6834eab5ce60f45
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/rt.rs:175:24
[INFO] [stdout]   33:     0x5d086e2ceca0 - std::panicking::catch_unwind::do_call::hf4afda32c60c9e55
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40
[INFO] [stdout]   34:     0x5d086e2ceca0 - std::panicking::catch_unwind::hbfda5503aab4db1e
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19
[INFO] [stdout]   35:     0x5d086e2ceca0 - std::panic::catch_unwind::h1a1ed11560d244f4
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14
[INFO] [stdout]   36:     0x5d086e2ceca0 - std::rt::lang_start_internal::h1f713c0146d469ad
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/rt.rs:171:5
[INFO] [stdout]   37:     0x5d086e2551c1 - std::rt::lang_start::h25a068bab729a087
[INFO] [stdout]   38:     0x5d086e263a15 - main
[INFO] [stdout]   39:     0x7345cee051ca - <unknown>
[INFO] [stdout]   40:     0x7345cee0528b - __libc_start_main
[INFO] [stdout]   41:     0x5d086e24c785 - _start
[INFO] [stdout]   42:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 16) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (138) panicked at src/lib.rs:279:10:
[INFO] [stdout] Failed to create trace file.: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x60fca233e0d2 - std::backtrace_rs::backtrace::libunwind::trace::ha50a1f28c7a10cf8
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x60fca233e0d2 - std::backtrace_rs::backtrace::trace_unsynchronized::h34f8c4ec82a320bc
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x60fca233e0d2 - std::sys::backtrace::_print_fmt::h2d23e84e13d343bc
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x60fca233e0d2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hde21067283f7e82e
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x60fca234ea7f - core::fmt::rt::Argument::fmt::he65307037dca33c6
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x60fca234ea7f - core::fmt::write::h24186904251c31cb
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x60fca231a113 - std::io::default_write_fmt::hdc5d19b6df666f61
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x60fca231a113 - std::io::Write::write_fmt::h3ab9f1f4d8d19b72
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x60fca2320072 - std::sys::backtrace::BacktraceLock::print::he038489aba5894a6
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x60fca232280f - std::panicking::default_hook::{{closure}}::h80a26d916c49679b
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x60fca2322669 - std::panicking::default_hook::he2e9efee79b3dce9
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:328:9
[INFO] [stdout]   11:     0x60fca2322de5 - std::panicking::panic_with_hook::hf5648b7cec6bc73e
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:834:13
[INFO] [stdout]   12:     0x60fca2322c7a - std::panicking::panic_handler::{{closure}}::h1b2ed3864ba94359
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:707:13
[INFO] [stdout]   13:     0x60fca23201b9 - std::sys::backtrace::__rust_end_short_backtrace::hd0186b2b27f5aaa7
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   14:     0x60fca230eb3d - __rustc[f7dae8b92efe1d7a]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:698:5
[INFO] [stdout]   15:     0x60fca2356550 - core::panicking::panic_fmt::hb5d6b83773432920
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x60fca2355b06 - core::result::unwrap_failed::h427ee4a8bb06d8af
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/result.rs:1862:5
[INFO] [stdout]   17:     0x60fca22ba1ae - core::result::Result<T,E>::expect::h9e8e147b96024e5f
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/result.rs:1185:23
[INFO] [stdout]   18:     0x60fca22b7174 - tracing_chrome::create_default_writer::h25ddc6375456ef63
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:279:10
[INFO] [stdout]   19:     0x60fca22a050a - tracing_chrome::ChromeLayer<S>::new::{{closure}}::ha3d8c4ec6e625ef6
[INFO] [stdout]   20:     0x60fca22ab5f5 - core::option::Option<T>::unwrap_or_else::ha7e852c9fce74e95
[INFO] [stdout]   21:     0x60fca229c769 - tracing_chrome::ChromeLayer<S>::new::hce770755ab4f8cbf
[INFO] [stdout]   22:     0x60fca22a098d - tracing_chrome::ChromeLayerBuilder<S>::build::hcb6caaf5e8e33824
[INFO] [stdout]   23:     0x60fca22aed13 - rust_out::main::_doctest_main_src_lib_rs_16_0::h37144f9a13161390
[INFO] [stdout]   24:     0x60fca22aecd6 - rust_out::main::hbdf05be24bd65ee6
[INFO] [stdout]   25:     0x60fca22a9503 - core::ops::function::FnOnce::call_once::h1e8c751e4a62d14e
[INFO] [stdout]   26:     0x60fca22a2156 - std::sys::backtrace::__rust_begin_short_backtrace::h6f205b09ee900b2a
[INFO] [stdout]   27:     0x60fca22a1fc9 - std::rt::lang_start::{{closure}}::h374dad1e7f5efc95
[INFO] [stdout]   28:     0x60fca231b880 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h8434f550918e723f
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   29:     0x60fca231b880 - std::panicking::catch_unwind::do_call::h7f7a838f33db43be
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40
[INFO] [stdout]   30:     0x60fca231b880 - std::panicking::catch_unwind::hf345702047129f6d
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19
[INFO] [stdout]   31:     0x60fca231b880 - std::panic::catch_unwind::h42f92c278294a3a0
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x60fca231b880 - std::rt::lang_start_internal::{{closure}}::ha6834eab5ce60f45
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/rt.rs:175:24
[INFO] [stdout]   33:     0x60fca231b880 - std::panicking::catch_unwind::do_call::hf4afda32c60c9e55
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40
[INFO] [stdout]   34:     0x60fca231b880 - std::panicking::catch_unwind::hbfda5503aab4db1e
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19
[INFO] [stdout]   35:     0x60fca231b880 - std::panic::catch_unwind::h1a1ed11560d244f4
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14
[INFO] [stdout]   36:     0x60fca231b880 - std::rt::lang_start_internal::h1f713c0146d469ad
[INFO] [stdout]                                at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/rt.rs:171:5
[INFO] [stdout]   37:     0x60fca22a1fb1 - std::rt::lang_start::h25a068bab729a087
[INFO] [stdout]   38:     0x60fca22b05f5 - main
[INFO] [stdout]   39:     0x781f1eddf1ca - <unknown>
[INFO] [stdout]   40:     0x781f1eddf28b - __libc_start_main
[INFO] [stdout]   41:     0x60fca2299615 - _start
[INFO] [stdout]   42:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 16)
[INFO] [stdout]     src/lib.rs - ChromeLayerBuilder<S>::category_fn (line 179)
[INFO] [stdout]     src/lib.rs - ChromeLayerBuilder<S>::name_fn (line 157)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.08s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "b96ecae92520cbfa8ed458cb881fc3211733c178b276f38a03b9072356b26d9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b96ecae92520cbfa8ed458cb881fc3211733c178b276f38a03b9072356b26d9d", kill_on_drop: false }`
[INFO] [stdout] b96ecae92520cbfa8ed458cb881fc3211733c178b276f38a03b9072356b26d9d
