[INFO] fetching crate task_log 0.1.6... [INFO] testing task_log-0.1.6 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2 [INFO] extracting crate task_log 0.1.6 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate task_log 0.1.6 [INFO] finished tweaking crates.io crate task_log 0.1.6 [INFO] tweaked toml for crates.io crate task_log 0.1.6 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate task_log 0.1.6 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 task_log 0.1.6 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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded link-cplusplus v1.0.7 [INFO] [stderr] Downloaded scratch v1.0.2 [INFO] [stderr] Downloaded cxxbridge-flags v1.0.82 [INFO] [stderr] Downloaded cxxbridge-macro v1.0.82 [INFO] [stderr] Downloaded cxx v1.0.82 [INFO] [stderr] Downloaded cxx-build v1.0.82 [INFO] [stderr] Downloaded bumpalo v3.11.1 [INFO] [stderr] Downloaded chrono v0.4.23 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] de0ec018dee9c7eab7e765135b56e7160a34f37a919ed7395374018341d4444c [INFO] running `Command { std: "docker" "start" "-a" "de0ec018dee9c7eab7e765135b56e7160a34f37a919ed7395374018341d4444c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "de0ec018dee9c7eab7e765135b56e7160a34f37a919ed7395374018341d4444c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de0ec018dee9c7eab7e765135b56e7160a34f37a919ed7395374018341d4444c", kill_on_drop: false }` [INFO] [stdout] de0ec018dee9c7eab7e765135b56e7160a34f37a919ed7395374018341d4444c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d0df456022c47a8685351cea1903104238ebc5bdedd7b4c03afa347b890258ae [INFO] running `Command { std: "docker" "start" "-a" "d0df456022c47a8685351cea1903104238ebc5bdedd7b4c03afa347b890258ae", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.137 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling colorful v0.2.1 [INFO] [stderr] Compiling time v0.1.45 [INFO] [stderr] Compiling chrono v0.4.23 [INFO] [stderr] Compiling task_log v0.1.6 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.70s [INFO] running `Command { std: "docker" "inspect" "d0df456022c47a8685351cea1903104238ebc5bdedd7b4c03afa347b890258ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d0df456022c47a8685351cea1903104238ebc5bdedd7b4c03afa347b890258ae", kill_on_drop: false }` [INFO] [stdout] d0df456022c47a8685351cea1903104238ebc5bdedd7b4c03afa347b890258ae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 510e4697e7824b11295bf2a4f166c842e22cf9c7aaf878e69e93449a2bc64eec [INFO] running `Command { std: "docker" "start" "-a" "510e4697e7824b11295bf2a4f166c842e22cf9c7aaf878e69e93449a2bc64eec", kill_on_drop: false }` [INFO] [stderr] Compiling anyhow v1.0.66 [INFO] [stderr] Compiling task_log v0.1.6 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.93s [INFO] running `Command { std: "docker" "inspect" "510e4697e7824b11295bf2a4f166c842e22cf9c7aaf878e69e93449a2bc64eec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "510e4697e7824b11295bf2a4f166c842e22cf9c7aaf878e69e93449a2bc64eec", kill_on_drop: false }` [INFO] [stdout] 510e4697e7824b11295bf2a4f166c842e22cf9c7aaf878e69e93449a2bc64eec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6a58db63e0709896e6d2cf467469ad6af826c52275ed16bb80566720978f4332 [INFO] running `Command { std: "docker" "start" "-a" "6a58db63e0709896e6d2cf467469ad6af826c52275ed16bb80566720978f4332", 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/task_log-969eba62e1119e64) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test util::tests::duration_formatter ... ok [INFO] [stdout] test tests::basic_run ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests task_log [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/lib.rs - ConfigBuilder (line 20) ... ok [INFO] [stdout] test src/lib.rs - task (line 94) ... ok [INFO] [stdout] test src/lib.rs - task (line 103) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - task (line 103) stdout ---- [INFO] [stdout] Test executable failed (exit status: 101). [INFO] [stdout] [INFO] [stdout] stdout: [INFO] [stdout]  RUNNING | Creating and removing file [INFO] [stdout]  [INFO] [stdout]  DONE in 61µs  | Creating and removing file [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] [INFO] [stdout] thread 'main' (80) panicked at src/lib.rs:16:2: [INFO] [stdout] Failed to create and remove the file: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" } [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x6467ad5986fa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x6467ad5986fa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized:: [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x6467ad5986fa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9 [INFO] [stdout] 3: 0x6467ad5986fa - <::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26 [INFO] [stdout] 4: 0x6467ad5a988a - ::fmt [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76 [INFO] [stdout] 5: 0x6467ad5a988a - core[fa0eadad68403074]::fmt::write [INFO] [stdout] 6: 0x6467ad59c492 - std[31e582c13f4e914f]::io::default_write_fmt:: [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x6467ad59c492 - ::write_fmt [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13 [INFO] [stdout] 8: 0x6467ad583ecf - ::print [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9 [INFO] [stdout] 9: 0x6467ad583ecf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0} [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27 [INFO] [stdout] 10: 0x6467ad5946f1 - std[31e582c13f4e914f]::panicking::default_hook [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:319:9 [INFO] [stdout] 11: 0x6467ad5948ab - std[31e582c13f4e914f]::panicking::panic_with_hook [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:825:13 [INFO] [stdout] 12: 0x6467ad583f88 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0} [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13 [INFO] [stdout] 13: 0x6467ad579419 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18 [INFO] [stdout] 14: 0x6467ad5847ed - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5 [INFO] [stdout] 15: 0x6467ad5a9fdc - core[fa0eadad68403074]::panicking::panic_fmt [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14 [INFO] [stdout] 16: 0x6467ad5a9d52 - core[fa0eadad68403074]::result::unwrap_failed [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5 [INFO] [stdout] 17: 0x6467ad55ee10 - >::expect [INFO] [stdout] 18: 0x6467ad55f7cd - rust_out[6ca516bbe19c3985]::main::_doctest_main_src_lib_rs_103_0 [INFO] [stdout] 19: 0x6467ad55eda6 - rust_out[6ca516bbe19c3985]::main [INFO] [stdout] 20: 0x6467ad5602d3 - >::call_once [INFO] [stdout] 21: 0x6467ad55ec36 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace:: [INFO] [stdout] 22: 0x6467ad55eca9 - std[31e582c13f4e914f]::rt::lang_start::<()>::{closure#0} [INFO] [stdout] 23: 0x6467ad593e74 - <&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] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 24: 0x6467ad593e74 - 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] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40 [INFO] [stdout] 25: 0x6467ad593e74 - std[31e582c13f4e914f]::panicking::catch_unwind:: + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::panic::unwind_safe::RefUnwindSafe> [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19 [INFO] [stdout] 26: 0x6467ad593e74 - 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] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14 [INFO] [stdout] 27: 0x6467ad593e74 - std[31e582c13f4e914f]::rt::lang_start_internal::{closure#0} [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/rt.rs:175:24 [INFO] [stdout] 28: 0x6467ad593e74 - std[31e582c13f4e914f]::panicking::catch_unwind::do_call:: [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40 [INFO] [stdout] 29: 0x6467ad593e74 - std[31e582c13f4e914f]::panicking::catch_unwind:: [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19 [INFO] [stdout] 30: 0x6467ad593e74 - std[31e582c13f4e914f]::panic::catch_unwind:: [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x6467ad593e74 - std[31e582c13f4e914f]::rt::lang_start_internal [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/rt.rs:171:5 [INFO] [stdout] 32: 0x6467ad55ea91 - std[31e582c13f4e914f]::rt::lang_start::<()> [INFO] [stdout] 33: 0x6467ad5603f5 - main [INFO] [stdout] 34: 0x7c5a519821ca - [INFO] [stdout] 35: 0x7c5a5198228b - __libc_start_main [INFO] [stdout] 36: 0x6467ad55d7a5 - _start [INFO] [stdout] 37: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - task (line 103) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "6a58db63e0709896e6d2cf467469ad6af826c52275ed16bb80566720978f4332", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a58db63e0709896e6d2cf467469ad6af826c52275ed16bb80566720978f4332", kill_on_drop: false }` [INFO] [stdout] 6a58db63e0709896e6d2cf467469ad6af826c52275ed16bb80566720978f4332