[INFO] fetching crate flexi_logger_rotate_writer 0.0.0... [INFO] testing flexi_logger_rotate_writer-0.0.0 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate flexi_logger_rotate_writer 0.0.0 into /workspace/builds/worker-93/source [INFO] validating manifest of crates.io crate flexi_logger_rotate_writer 0.0.0 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-93/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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" "+beta-2021-09-08" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9f7156b71371a641f855b1e29797e2dd27b66a86ca97568d80eb8821fe12049d [INFO] running `Command { std: "docker" "start" "-a" "9f7156b71371a641f855b1e29797e2dd27b66a86ca97568d80eb8821fe12049d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9f7156b71371a641f855b1e29797e2dd27b66a86ca97568d80eb8821fe12049d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f7156b71371a641f855b1e29797e2dd27b66a86ca97568d80eb8821fe12049d", kill_on_drop: false }` [INFO] [stdout] 9f7156b71371a641f855b1e29797e2dd27b66a86ca97568d80eb8821fe12049d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7e847e38b06c7f31dd1ff65a8267f589b96481a8907d0c917eb8ca78925dcb99 [INFO] running `Command { std: "docker" "start" "-a" "7e847e38b06c7f31dd1ff65a8267f589b96481a8907d0c917eb8ca78925dcb99", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling log v0.4.14 [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 time v0.1.44 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling thiserror-impl v1.0.29 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling thiserror v1.0.29 [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 6.78s [INFO] running `Command { std: "docker" "inspect" "7e847e38b06c7f31dd1ff65a8267f589b96481a8907d0c917eb8ca78925dcb99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e847e38b06c7f31dd1ff65a8267f589b96481a8907d0c917eb8ca78925dcb99", kill_on_drop: false }` [INFO] [stdout] 7e847e38b06c7f31dd1ff65a8267f589b96481a8907d0c917eb8ca78925dcb99 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a8e5d0835329bb3c12966ee831a8d2e01eaaf28b4edfc60a01c21f13a1bb8c1a [INFO] running `Command { std: "docker" "start" "-a" "a8e5d0835329bb3c12966ee831a8d2e01eaaf28b4edfc60a01c21f13a1bb8c1a", 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 3.52s [INFO] running `Command { std: "docker" "inspect" "a8e5d0835329bb3c12966ee831a8d2e01eaaf28b4edfc60a01c21f13a1bb8c1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a8e5d0835329bb3c12966ee831a8d2e01eaaf28b4edfc60a01c21f13a1bb8c1a", kill_on_drop: false }` [INFO] [stdout] a8e5d0835329bb3c12966ee831a8d2e01eaaf28b4edfc60a01c21f13a1bb8c1a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 12705ca9dde0d4135b7b42258990ed3e09825d3dc55caf456b65c24f74fd1f48 [INFO] running `Command { std: "docker" "start" "-a" "12705ca9dde0d4135b7b42258990ed3e09825d3dc55caf456b65c24f74fd1f48", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/flexi_logger_rotate_writer-caf8c9776b689b81) [INFO] [stdout] [INFO] [stderr] Doc-tests flexi_logger_rotate_writer [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] [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: 0x56158986d89c - std::backtrace_rs::backtrace::libunwind::trace::h51faa62df48810e4 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x56158986d89c - std::backtrace_rs::backtrace::trace_unsynchronized::h91de4d8e16d607e4 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x56158986d89c - std::sys_common::backtrace::_print_fmt::h71b0935f97e4322c [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x56158986d89c - ::fmt::h9a78218788c14e18 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x56158988b1dc - core::fmt::write::h3381b3176fe2b3d3 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/fmt/mod.rs:1150:17 [INFO] [stdout] 5: 0x56158986a515 - std::io::Write::write_fmt::h1d5220480c7a2437 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/io/mod.rs:1667:15 [INFO] [stdout] 6: 0x56158986f410 - std::sys_common::backtrace::_print::h4b77abc4d907ed0e [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x56158986f410 - std::sys_common::backtrace::print::hb170c60b542377ad [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x56158986f410 - std::panicking::default_hook::{{closure}}::h12bbda9af8901ee3 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:210:50 [INFO] [stdout] 9: 0x56158986efc7 - std::panicking::default_hook::h8c6c66d3f3ba6768 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:227:9 [INFO] [stdout] 10: 0x56158986fac4 - std::panicking::rust_panic_with_hook::h36f2fa0bb09f4069 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:624:17 [INFO] [stdout] 11: 0x56158986f5a0 - std::panicking::begin_panic_handler::{{closure}}::h9c42b65a42d06a7a [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:521:13 [INFO] [stdout] 12: 0x56158986dd64 - std::sys_common::backtrace::__rust_end_short_backtrace::hc791bddfe31e532c [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x56158986f509 - rust_begin_unwind [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:517:5 [INFO] [stdout] 14: 0x56158961b641 - core::panicking::panic_fmt::hf9de31d4acbce4db [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panicking.rs:101:14 [INFO] [stdout] 15: 0x56158961b6d3 - core::result::unwrap_failed::ha0c84e81219e5878 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/result.rs:1617:5 [INFO] [stdout] 16: 0x56158961d9c5 - core::result::Result::unwrap::h9ed6d67ca923d900 [INFO] [stdout] 17: 0x56158961de75 - rust_out::main::_doctest_main_src_lib_rs_9_0::hc4a5691c877e93a2 [INFO] [stdout] 18: 0x56158961ddf6 - rust_out::main::h61823b600df25383 [INFO] [stdout] 19: 0x56158961d223 - core::ops::function::FnOnce::call_once::h3d07824a44777914 [INFO] [stdout] 20: 0x56158961caf9 - std::sys_common::backtrace::__rust_begin_short_backtrace::hd0fdc54e9188a18d [INFO] [stdout] 21: 0x56158961cb79 - std::rt::lang_start::{{closure}}::hec4f5193e4af3c47 [INFO] [stdout] 22: 0x56158986ffca - core::ops::function::impls:: for &F>::call_once::hc590b210ed55e22f [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 23: 0x56158986ffca - std::panicking::try::do_call::h5f0600b7a33ea1af [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40 [INFO] [stdout] 24: 0x56158986ffca - std::panicking::try::he15826df0f376a33 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19 [INFO] [stdout] 25: 0x56158986ffca - std::panic::catch_unwind::hd8af3a578b6b4c86 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14 [INFO] [stdout] 26: 0x56158986ffca - std::rt::lang_start_internal::{{closure}}::h301d1329324ae1f0 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/rt.rs:45:48 [INFO] [stdout] 27: 0x56158986ffca - std::panicking::try::do_call::h941e8fdb0bd03655 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40 [INFO] [stdout] 28: 0x56158986ffca - std::panicking::try::ha20a77bf65530f63 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19 [INFO] [stdout] 29: 0x56158986ffca - std::panic::catch_unwind::h33afc061cc69ef90 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14 [INFO] [stdout] 30: 0x56158986ffca - std::rt::lang_start_internal::hc05c244593147106 [INFO] [stdout] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/rt.rs:45:20 [INFO] [stdout] 31: 0x56158961cb51 - std::rt::lang_start::he85d58294892489a [INFO] [stdout] 32: 0x56158961e043 - main [INFO] [stdout] 33: 0x7f1bd88670b3 - __libc_start_main [INFO] [stdout] 34: 0x56158961bdde - _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 1.42s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "12705ca9dde0d4135b7b42258990ed3e09825d3dc55caf456b65c24f74fd1f48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12705ca9dde0d4135b7b42258990ed3e09825d3dc55caf456b65c24f74fd1f48", kill_on_drop: false }` [INFO] [stdout] 12705ca9dde0d4135b7b42258990ed3e09825d3dc55caf456b65c24f74fd1f48