[INFO] fetching crate tracing-chrome 0.7.2... [INFO] testing tracing-chrome-0.7.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8 [INFO] extracting crate tracing-chrome 0.7.2 into /workspace/builds/worker-4-tc2/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-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate tracing-chrome 0.7.2 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 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4d5ee6d8f9f487d71ddcd83cbe66e74629925f11c00b82c90292bb659e28eb85 [INFO] running `Command { std: "docker" "start" "-a" "4d5ee6d8f9f487d71ddcd83cbe66e74629925f11c00b82c90292bb659e28eb85", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4d5ee6d8f9f487d71ddcd83cbe66e74629925f11c00b82c90292bb659e28eb85", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d5ee6d8f9f487d71ddcd83cbe66e74629925f11c00b82c90292bb659e28eb85", kill_on_drop: false }` [INFO] [stdout] 4d5ee6d8f9f487d71ddcd83cbe66e74629925f11c00b82c90292bb659e28eb85 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 799963ed392c1b2914085059b9e9cfa81f48d06a7e2c3cc1f0dbd7561335a5a2 [INFO] running `Command { std: "docker" "start" "-a" "799963ed392c1b2914085059b9e9cfa81f48d06a7e2c3cc1f0dbd7561335a5a2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling overload v0.1.1 [INFO] [stderr] Compiling log v0.4.21 [INFO] [stderr] Compiling serde_json v1.0.114 [INFO] [stderr] Compiling ryu v1.0.17 [INFO] [stderr] Compiling smallvec v1.13.1 [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 15.84s [INFO] running `Command { std: "docker" "inspect" "799963ed392c1b2914085059b9e9cfa81f48d06a7e2c3cc1f0dbd7561335a5a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "799963ed392c1b2914085059b9e9cfa81f48d06a7e2c3cc1f0dbd7561335a5a2", kill_on_drop: false }` [INFO] [stdout] 799963ed392c1b2914085059b9e9cfa81f48d06a7e2c3cc1f0dbd7561335a5a2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f8fede495dd1399906e903262115c5680d08be182f2279745a48584e1fdeb13a [INFO] running `Command { std: "docker" "start" "-a" "f8fede495dd1399906e903262115c5680d08be182f2279745a48584e1fdeb13a", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling either v1.10.0 [INFO] [stderr] Compiling plotters-backend v0.3.5 [INFO] [stderr] Compiling anstyle v1.0.6 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling half v2.4.0 [INFO] [stderr] Compiling ciborium-io v0.2.2 [INFO] [stderr] Compiling clap_lex v0.7.0 [INFO] [stderr] Compiling regex-syntax v0.8.2 [INFO] [stderr] Compiling cast v0.3.0 [INFO] [stderr] Compiling oorandom v11.1.3 [INFO] [stderr] Compiling walkdir v2.5.0 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling anes v0.1.6 [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 plotters-svg v0.3.5 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling is-terminal v0.4.12 [INFO] [stderr] Compiling tracing v0.1.40 [INFO] [stderr] Compiling regex-automata v0.4.6 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling crossbeam-deque v0.8.5 [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 21.43s [INFO] running `Command { std: "docker" "inspect" "f8fede495dd1399906e903262115c5680d08be182f2279745a48584e1fdeb13a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8fede495dd1399906e903262115c5680d08be182f2279745a48584e1fdeb13a", kill_on_drop: false }` [INFO] [stdout] f8fede495dd1399906e903262115c5680d08be182f2279745a48584e1fdeb13a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c6902a22c4a3ad8b1e659557bdcab8e84152975aefe0ac18aa78bb9d5d20476f [INFO] running `Command { std: "docker" "start" "-a" "c6902a22c4a3ad8b1e659557bdcab8e84152975aefe0ac18aa78bb9d5d20476f", 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] [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 tracing_chrome [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test src/lib.rs - ChromeLayerBuilder::writer (line 111) ... ok [INFO] [stdout] test src/lib.rs - ChromeLayerBuilder::name_fn (line 157) ... FAILED [INFO] [stdout] test src/lib.rs - ChromeLayerBuilder::category_fn (line 179) ... FAILED [INFO] [stdout] test src/lib.rs - (line 16) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - ChromeLayerBuilder::name_fn (line 157) stdout ---- [INFO] [stdout] Test executable failed (exit status: 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] [INFO] [stdout] thread 'main' (122) 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: 0x648efbce84b2 - std::backtrace_rs::backtrace::libunwind::trace::h9ea1e07ac77a25d7 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x648efbce84b2 - std::backtrace_rs::backtrace::trace_unsynchronized::h72b75eb83b53d15a [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x648efbce84b2 - std::sys::backtrace::_print_fmt::h255777b7ec902439 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x648efbce84b2 - ::fmt::h8a1ac49fcd7ee8ce [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x648efbcf8e5f - core::fmt::rt::Argument::fmt::h635cbf3c6754cc90 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x648efbcf8e5f - core::fmt::write::hbdcc0ec4f1bab1db [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/mod.rs:1469:25 [INFO] [stdout] 6: 0x648efbcc4753 - std::io::default_write_fmt::hb29d13affe7e9cd0 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x648efbcc4753 - std::io::Write::write_fmt::hec441b8c6eca32b9 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x648efbcca452 - std::sys::backtrace::BacktraceLock::print::h052febbd86f7bf07 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x648efbcccbef - std::panicking::default_hook::{{closure}}::h66aeee20dd470abb [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x648efbccca49 - std::panicking::default_hook::h9d66b9642014ce48 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x648efbccd1c5 - std::panicking::panic_with_hook::h6d5921a1a1fa5a8e [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x648efbccd05a - std::panicking::panic_handler::{{closure}}::hafeef6f707d43542 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:707:13 [INFO] [stdout] 13: 0x648efbcca589 - std::sys::backtrace::__rust_end_short_backtrace::h08cbc3319a3d0120 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x648efbcb8f1d - __rustc[ce5c411ff86ab1b2]::rust_begin_unwind [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x648efbd00930 - core::panicking::panic_fmt::h774fb860369a0f7b [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panicking.rs:80:14 [INFO] [stdout] 16: 0x648efbcffee6 - core::result::unwrap_failed::h72ee8fcbf1bf8ff9 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/result.rs:1862:5 [INFO] [stdout] 17: 0x648efbc63c3e - core::result::Result::expect::he40a24ac755b81ae [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/result.rs:1185:23 [INFO] [stdout] 18: 0x648efbc60c54 - tracing_chrome::create_default_writer::hb7ccfed1b39a3b51 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:279:10 [INFO] [stdout] 19: 0x648efbc463ea - tracing_chrome::ChromeLayer::new::{{closure}}::h0c714268490b8ca9 [INFO] [stdout] 20: 0x648efbc54e85 - core::option::Option::unwrap_or_else::h3a7c8f42e681a5c3 [INFO] [stdout] 21: 0x648efbc45ea9 - tracing_chrome::ChromeLayer::new::hd013d7ac43c0cb67 [INFO] [stdout] 22: 0x648efbc4a0cd - tracing_chrome::ChromeLayerBuilder::build::h2ba7932d161bebec [INFO] [stdout] 23: 0x648efbc586c6 - rust_out::main::_doctest_main_src_lib_rs_157_0::h9dc44f2ff058b8b2 [INFO] [stdout] 24: 0x648efbc585c6 - rust_out::main::h583ff58340d718d9 [INFO] [stdout] 25: 0x648efbc52d63 - core::ops::function::FnOnce::call_once::h14c180921ac1da5e [INFO] [stdout] 26: 0x648efbc4b936 - std::sys::backtrace::__rust_begin_short_backtrace::h6b98eb9b1ad88857 [INFO] [stdout] 27: 0x648efbc4b7a9 - std::rt::lang_start::{{closure}}::h2fc95fa84f0c83a2 [INFO] [stdout] 28: 0x648efbcc5c60 - core::ops::function::impls:: for &F>::call_once::h9095abc9db71b07e [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 29: 0x648efbcc5c60 - std::panicking::catch_unwind::do_call::h6cf5dc461761418c [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40 [INFO] [stdout] 30: 0x648efbcc5c60 - std::panicking::catch_unwind::h60074fd2327f40bd [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19 [INFO] [stdout] 31: 0x648efbcc5c60 - std::panic::catch_unwind::heb14fa8e39d051cf [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14 [INFO] [stdout] 32: 0x648efbcc5c60 - std::rt::lang_start_internal::{{closure}}::hfb550bec36306a19 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:175:24 [INFO] [stdout] 33: 0x648efbcc5c60 - std::panicking::catch_unwind::do_call::hc805f36f35b6d647 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40 [INFO] [stdout] 34: 0x648efbcc5c60 - std::panicking::catch_unwind::hb8d32f0195463ad2 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19 [INFO] [stdout] 35: 0x648efbcc5c60 - std::panic::catch_unwind::hcebe3b1d5adfc5a2 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14 [INFO] [stdout] 36: 0x648efbcc5c60 - std::rt::lang_start_internal::h27f55ed238aa26df [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:171:5 [INFO] [stdout] 37: 0x648efbc4b791 - std::rt::lang_start::h762c340aaede70f7 [INFO] [stdout] 38: 0x648efbc5a025 - main [INFO] [stdout] 39: 0x7f99881fe1ca - [INFO] [stdout] 40: 0x7f99881fe28b - __libc_start_main [INFO] [stdout] 41: 0x648efbc42d55 - _start [INFO] [stdout] 42: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - ChromeLayerBuilder::category_fn (line 179) stdout ---- [INFO] [stdout] Test executable failed (exit status: 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] [INFO] [stdout] thread 'main' (123) 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: 0x5a39f10e5452 - std::backtrace_rs::backtrace::libunwind::trace::h9ea1e07ac77a25d7 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5a39f10e5452 - std::backtrace_rs::backtrace::trace_unsynchronized::h72b75eb83b53d15a [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5a39f10e5452 - std::sys::backtrace::_print_fmt::h255777b7ec902439 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5a39f10e5452 - ::fmt::h8a1ac49fcd7ee8ce [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5a39f10f5dff - core::fmt::rt::Argument::fmt::h635cbf3c6754cc90 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5a39f10f5dff - core::fmt::write::hbdcc0ec4f1bab1db [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/mod.rs:1469:25 [INFO] [stdout] 6: 0x5a39f10c16f3 - std::io::default_write_fmt::hb29d13affe7e9cd0 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5a39f10c16f3 - std::io::Write::write_fmt::hec441b8c6eca32b9 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x5a39f10c73f2 - std::sys::backtrace::BacktraceLock::print::h052febbd86f7bf07 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5a39f10c9b8f - std::panicking::default_hook::{{closure}}::h66aeee20dd470abb [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x5a39f10c99e9 - std::panicking::default_hook::h9d66b9642014ce48 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x5a39f10ca165 - std::panicking::panic_with_hook::h6d5921a1a1fa5a8e [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x5a39f10c9ffa - std::panicking::panic_handler::{{closure}}::hafeef6f707d43542 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:707:13 [INFO] [stdout] 13: 0x5a39f10c7529 - std::sys::backtrace::__rust_end_short_backtrace::h08cbc3319a3d0120 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x5a39f10b5ebd - __rustc[ce5c411ff86ab1b2]::rust_begin_unwind [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x5a39f10fd8d0 - core::panicking::panic_fmt::h774fb860369a0f7b [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panicking.rs:80:14 [INFO] [stdout] 16: 0x5a39f10fce86 - core::result::unwrap_failed::h72ee8fcbf1bf8ff9 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/result.rs:1862:5 [INFO] [stdout] 17: 0x5a39f1060bde - core::result::Result::expect::he40a24ac755b81ae [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/result.rs:1185:23 [INFO] [stdout] 18: 0x5a39f105dbf4 - tracing_chrome::create_default_writer::hb7ccfed1b39a3b51 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:279:10 [INFO] [stdout] 19: 0x5a39f10433ca - tracing_chrome::ChromeLayer::new::{{closure}}::h0c714268490b8ca9 [INFO] [stdout] 20: 0x5a39f1051e65 - core::option::Option::unwrap_or_else::h3a7c8f42e681a5c3 [INFO] [stdout] 21: 0x5a39f1042e89 - tracing_chrome::ChromeLayer::new::hd013d7ac43c0cb67 [INFO] [stdout] 22: 0x5a39f104714d - tracing_chrome::ChromeLayerBuilder::build::h2ba7932d161bebec [INFO] [stdout] 23: 0x5a39f10556a6 - rust_out::main::_doctest_main_src_lib_rs_179_0::h17d685165c728511 [INFO] [stdout] 24: 0x5a39f10555a6 - rust_out::main::h583ff58340d718d9 [INFO] [stdout] 25: 0x5a39f104fd43 - core::ops::function::FnOnce::call_once::h14c180921ac1da5e [INFO] [stdout] 26: 0x5a39f1048916 - std::sys::backtrace::__rust_begin_short_backtrace::h6b98eb9b1ad88857 [INFO] [stdout] 27: 0x5a39f1048789 - std::rt::lang_start::{{closure}}::h2fc95fa84f0c83a2 [INFO] [stdout] 28: 0x5a39f10c2c00 - core::ops::function::impls:: for &F>::call_once::h9095abc9db71b07e [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 29: 0x5a39f10c2c00 - std::panicking::catch_unwind::do_call::h6cf5dc461761418c [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40 [INFO] [stdout] 30: 0x5a39f10c2c00 - std::panicking::catch_unwind::h60074fd2327f40bd [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19 [INFO] [stdout] 31: 0x5a39f10c2c00 - std::panic::catch_unwind::heb14fa8e39d051cf [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14 [INFO] [stdout] 32: 0x5a39f10c2c00 - std::rt::lang_start_internal::{{closure}}::hfb550bec36306a19 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:175:24 [INFO] [stdout] 33: 0x5a39f10c2c00 - std::panicking::catch_unwind::do_call::hc805f36f35b6d647 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40 [INFO] [stdout] 34: 0x5a39f10c2c00 - std::panicking::catch_unwind::hb8d32f0195463ad2 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19 [INFO] [stdout] 35: 0x5a39f10c2c00 - std::panic::catch_unwind::hcebe3b1d5adfc5a2 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14 [INFO] [stdout] 36: 0x5a39f10c2c00 - std::rt::lang_start_internal::h27f55ed238aa26df [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:171:5 [INFO] [stdout] 37: 0x5a39f1048771 - std::rt::lang_start::h762c340aaede70f7 [INFO] [stdout] 38: 0x5a39f1056fc5 - main [INFO] [stdout] 39: 0x7262587ae1ca - [INFO] [stdout] 40: 0x7262587ae28b - __libc_start_main [INFO] [stdout] 41: 0x5a39f103fd35 - _start [INFO] [stdout] 42: 0x0 - [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' (140) 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: 0x579b68179032 - std::backtrace_rs::backtrace::libunwind::trace::h9ea1e07ac77a25d7 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x579b68179032 - std::backtrace_rs::backtrace::trace_unsynchronized::h72b75eb83b53d15a [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x579b68179032 - std::sys::backtrace::_print_fmt::h255777b7ec902439 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x579b68179032 - ::fmt::h8a1ac49fcd7ee8ce [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x579b681899df - core::fmt::rt::Argument::fmt::h635cbf3c6754cc90 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x579b681899df - core::fmt::write::hbdcc0ec4f1bab1db [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/mod.rs:1469:25 [INFO] [stdout] 6: 0x579b681552d3 - std::io::default_write_fmt::hb29d13affe7e9cd0 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x579b681552d3 - std::io::Write::write_fmt::hec441b8c6eca32b9 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x579b6815afd2 - std::sys::backtrace::BacktraceLock::print::h052febbd86f7bf07 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x579b6815d76f - std::panicking::default_hook::{{closure}}::h66aeee20dd470abb [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x579b6815d5c9 - std::panicking::default_hook::h9d66b9642014ce48 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x579b6815dd45 - std::panicking::panic_with_hook::h6d5921a1a1fa5a8e [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x579b6815dbda - std::panicking::panic_handler::{{closure}}::hafeef6f707d43542 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:707:13 [INFO] [stdout] 13: 0x579b6815b109 - std::sys::backtrace::__rust_end_short_backtrace::h08cbc3319a3d0120 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x579b68149a9d - __rustc[ce5c411ff86ab1b2]::rust_begin_unwind [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x579b681914b0 - core::panicking::panic_fmt::h774fb860369a0f7b [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panicking.rs:80:14 [INFO] [stdout] 16: 0x579b68190a66 - core::result::unwrap_failed::h72ee8fcbf1bf8ff9 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/result.rs:1862:5 [INFO] [stdout] 17: 0x579b680f47be - core::result::Result::expect::he40a24ac755b81ae [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/result.rs:1185:23 [INFO] [stdout] 18: 0x579b680f17d4 - tracing_chrome::create_default_writer::hb7ccfed1b39a3b51 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:279:10 [INFO] [stdout] 19: 0x579b680d725a - tracing_chrome::ChromeLayer::new::{{closure}}::h0c714268490b8ca9 [INFO] [stdout] 20: 0x579b680e5b45 - core::option::Option::unwrap_or_else::h3a7c8f42e681a5c3 [INFO] [stdout] 21: 0x579b680d6d19 - tracing_chrome::ChromeLayer::new::hd013d7ac43c0cb67 [INFO] [stdout] 22: 0x579b680daf3d - tracing_chrome::ChromeLayerBuilder::build::h2ba7932d161bebec [INFO] [stdout] 23: 0x579b680e92c3 - rust_out::main::_doctest_main_src_lib_rs_16_0::h67405b645ff1d38b [INFO] [stdout] 24: 0x579b680e9286 - rust_out::main::h583ff58340d718d9 [INFO] [stdout] 25: 0x579b680e3b03 - core::ops::function::FnOnce::call_once::h14c180921ac1da5e [INFO] [stdout] 26: 0x579b680dc706 - std::sys::backtrace::__rust_begin_short_backtrace::h6b98eb9b1ad88857 [INFO] [stdout] 27: 0x579b680dc579 - std::rt::lang_start::{{closure}}::h2fc95fa84f0c83a2 [INFO] [stdout] 28: 0x579b681567e0 - core::ops::function::impls:: for &F>::call_once::h9095abc9db71b07e [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 29: 0x579b681567e0 - std::panicking::catch_unwind::do_call::h6cf5dc461761418c [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40 [INFO] [stdout] 30: 0x579b681567e0 - std::panicking::catch_unwind::h60074fd2327f40bd [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19 [INFO] [stdout] 31: 0x579b681567e0 - std::panic::catch_unwind::heb14fa8e39d051cf [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14 [INFO] [stdout] 32: 0x579b681567e0 - std::rt::lang_start_internal::{{closure}}::hfb550bec36306a19 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:175:24 [INFO] [stdout] 33: 0x579b681567e0 - std::panicking::catch_unwind::do_call::hc805f36f35b6d647 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40 [INFO] [stdout] 34: 0x579b681567e0 - std::panicking::catch_unwind::hb8d32f0195463ad2 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19 [INFO] [stdout] 35: 0x579b681567e0 - std::panic::catch_unwind::hcebe3b1d5adfc5a2 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14 [INFO] [stdout] 36: 0x579b681567e0 - std::rt::lang_start_internal::h27f55ed238aa26df [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:171:5 [INFO] [stdout] 37: 0x579b680dc561 - std::rt::lang_start::h762c340aaede70f7 [INFO] [stdout] 38: 0x579b680eaba5 - main [INFO] [stdout] 39: 0x7cd6e7db91ca - [INFO] [stdout] 40: 0x7cd6e7db928b - __libc_start_main [INFO] [stdout] 41: 0x579b680d3bc5 - _start [INFO] [stdout] 42: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 16) [INFO] [stdout] src/lib.rs - ChromeLayerBuilder::category_fn (line 179) [INFO] [stdout] src/lib.rs - ChromeLayerBuilder::name_fn (line 157) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 1 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.25s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "c6902a22c4a3ad8b1e659557bdcab8e84152975aefe0ac18aa78bb9d5d20476f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6902a22c4a3ad8b1e659557bdcab8e84152975aefe0ac18aa78bb9d5d20476f", kill_on_drop: false }` [INFO] [stdout] c6902a22c4a3ad8b1e659557bdcab8e84152975aefe0ac18aa78bb9d5d20476f