[INFO] fetching crate flexi_logger_rotate_writer 0.0.0... [INFO] testing flexi_logger_rotate_writer-0.0.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] extracting crate flexi_logger_rotate_writer 0.0.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate flexi_logger_rotate_writer 0.0.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate flexi_logger_rotate_writer 0.0.0 [INFO] finished tweaking crates.io crate flexi_logger_rotate_writer 0.0.0 [INFO] tweaked toml for crates.io crate flexi_logger_rotate_writer 0.0.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded flexi_logger v0.17.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6d83ea16244aaf7d67c769718b124709296bc7d409e7d19b7f8caaf6af7d7e96 [INFO] running `Command { std: "docker" "start" "-a" "6d83ea16244aaf7d67c769718b124709296bc7d409e7d19b7f8caaf6af7d7e96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6d83ea16244aaf7d67c769718b124709296bc7d409e7d19b7f8caaf6af7d7e96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6d83ea16244aaf7d67c769718b124709296bc7d409e7d19b7f8caaf6af7d7e96", kill_on_drop: false }` [INFO] [stdout] 6d83ea16244aaf7d67c769718b124709296bc7d409e7d19b7f8caaf6af7d7e96 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c4db6a5f96563d253cc23b459dd1c3bae7b8364059a98fcad08dd35d7ca6a6df [INFO] running `Command { std: "docker" "start" "-a" "c4db6a5f96563d253cc23b459dd1c3bae7b8364059a98fcad08dd35d7ca6a6df", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling yansi v0.5.0 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling thiserror v1.0.30 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling flexi_logger v0.17.1 [INFO] [stderr] Compiling flexi_logger_rotate_writer v0.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.18s [INFO] running `Command { std: "docker" "inspect" "c4db6a5f96563d253cc23b459dd1c3bae7b8364059a98fcad08dd35d7ca6a6df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4db6a5f96563d253cc23b459dd1c3bae7b8364059a98fcad08dd35d7ca6a6df", kill_on_drop: false }` [INFO] [stdout] c4db6a5f96563d253cc23b459dd1c3bae7b8364059a98fcad08dd35d7ca6a6df [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d76ab65e5181810282426b1688da7fdd34a8c6f89398312ab301d7d5dfa2960a [INFO] running `Command { std: "docker" "start" "-a" "d76ab65e5181810282426b1688da7fdd34a8c6f89398312ab301d7d5dfa2960a", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling flexi_logger_rotate_writer v0.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.02s [INFO] running `Command { std: "docker" "inspect" "d76ab65e5181810282426b1688da7fdd34a8c6f89398312ab301d7d5dfa2960a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d76ab65e5181810282426b1688da7fdd34a8c6f89398312ab301d7d5dfa2960a", kill_on_drop: false }` [INFO] [stdout] d76ab65e5181810282426b1688da7fdd34a8c6f89398312ab301d7d5dfa2960a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 160eedc6bc89b92090c15d7aa6918d6d49a332777c213e9bb654eb8fe1d6204f [INFO] running `Command { std: "docker" "start" "-a" "160eedc6bc89b92090c15d7aa6918d6d49a332777c213e9bb654eb8fe1d6204f", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/flexi_logger_rotate_writer-f954cb33c1191d58) [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 flexi_logger_rotate_writer [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 9) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 9) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: OutputIo(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })', src/lib.rs:11:6 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x555589e1e09c - std::backtrace_rs::backtrace::libunwind::trace::h7630ba4cba718aa0 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x555589e1e09c - std::backtrace_rs::backtrace::trace_unsynchronized::he7498e79c157f5ac [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x555589e1e09c - std::sys_common::backtrace::_print_fmt::hdaebadaee17bca49 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x555589e1e09c - ::fmt::h82b0e3aaf8a96140 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x555589e3b19c - core::fmt::write::h72801a82c94e6ff1 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/fmt/mod.rs:1149:17 [INFO] [stdout] 5: 0x555589e1a6e5 - std::io::Write::write_fmt::hc2da38dc44811df8 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/io/mod.rs:1697:15 [INFO] [stdout] 6: 0x555589e1fa00 - std::sys_common::backtrace::_print::h1c9a1d19c48821c1 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x555589e1fa00 - std::sys_common::backtrace::print::h7ce8802039fa9d0e [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x555589e1fa00 - std::panicking::default_hook::{{closure}}::hb2a74a8c1499c326 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:211:50 [INFO] [stdout] 9: 0x555589e1f5ab - std::panicking::default_hook::hf4f180b00076f2b2 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:228:9 [INFO] [stdout] 10: 0x555589e200b4 - std::panicking::rust_panic_with_hook::he85ce8435493b711 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:606:17 [INFO] [stdout] 11: 0x555589e1fb90 - std::panicking::begin_panic_handler::{{closure}}::h31e15f69e6235bd2 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:502:13 [INFO] [stdout] 12: 0x555589e1e554 - std::sys_common::backtrace::__rust_end_short_backtrace::hfce2fadb61aaa3ae [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stdout] 13: 0x555589e1faf9 - rust_begin_unwind [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:498:5 [INFO] [stdout] 14: 0x555589bc8551 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/panicking.rs:107:14 [INFO] [stdout] 15: 0x555589bc85e3 - core::result::unwrap_failed::h885d3f7beb571353 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/result.rs:1613:5 [INFO] [stdout] 16: 0x555589bca715 - core::result::Result::unwrap::h098bb906c3054061 [INFO] [stdout] 17: 0x555589bcad05 - rust_out::main::_doctest_main_src_lib_rs_9_0::hc4a5691c877e93a2 [INFO] [stdout] 18: 0x555589bcac86 - rust_out::main::h61823b600df25383 [INFO] [stdout] 19: 0x555589bca133 - core::ops::function::FnOnce::call_once::h827fb1f4029b40e6 [INFO] [stdout] 20: 0x555589bc99c9 - std::sys_common::backtrace::__rust_begin_short_backtrace::h14f53ef84fb8b5f7 [INFO] [stdout] 21: 0x555589bc9a39 - std::rt::lang_start::{{closure}}::h5922618cc8a7ae58 [INFO] [stdout] 22: 0x555589e1d8e1 - core::ops::function::impls:: for &F>::call_once::h0e73392810ecd318 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 23: 0x555589e1d8e1 - std::panicking::try::do_call::h12dcb4a4f352a507 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:406:40 [INFO] [stdout] 24: 0x555589e1d8e1 - std::panicking::try::h0d978c76ab4a3863 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:370:19 [INFO] [stdout] 25: 0x555589e1d8e1 - std::panic::catch_unwind::hab40227675186980 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panic.rs:133:14 [INFO] [stdout] 26: 0x555589e1d8e1 - std::rt::lang_start_internal::{{closure}}::hc34786299e7d2cf7 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/rt.rs:128:48 [INFO] [stdout] 27: 0x555589e1d8e1 - std::panicking::try::do_call::h38e7a9128f21d387 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:406:40 [INFO] [stdout] 28: 0x555589e1d8e1 - std::panicking::try::h32d4e72fd8922bce [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:370:19 [INFO] [stdout] 29: 0x555589e1d8e1 - std::panic::catch_unwind::h9a345671d889d41f [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panic.rs:133:14 [INFO] [stdout] 30: 0x555589e1d8e1 - std::rt::lang_start_internal::h9e691a4f557eb2a3 [INFO] [stdout] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/rt.rs:128:20 [INFO] [stdout] 31: 0x555589bc9a21 - std::rt::lang_start::h886614fd12d1e379 [INFO] [stdout] 32: 0x555589bcaf23 - main [INFO] [stdout] 33: 0x7f6a5aac00b3 - __libc_start_main [INFO] [stdout] 34: 0x555589bc8cae - _start [INFO] [stdout] 35: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 9) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.45s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "160eedc6bc89b92090c15d7aa6918d6d49a332777c213e9bb654eb8fe1d6204f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "160eedc6bc89b92090c15d7aa6918d6d49a332777c213e9bb654eb8fe1d6204f", kill_on_drop: false }` [INFO] [stdout] 160eedc6bc89b92090c15d7aa6918d6d49a332777c213e9bb654eb8fe1d6204f