[INFO] fetching crate file_log 0.1.1...
[INFO] testing file_log-0.1.1 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate file_log 0.1.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate file_log 0.1.1
[INFO] finished tweaking crates.io crate file_log 0.1.1
[INFO] tweaked toml for crates.io crate file_log 0.1.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate file_log 0.1.1 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 942d12f697076d614a299b1cd461c25c2ddc193241d7506b23ac4f6e8e8508b2
[INFO] running `Command { std: "docker" "start" "-a" "942d12f697076d614a299b1cd461c25c2ddc193241d7506b23ac4f6e8e8508b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "942d12f697076d614a299b1cd461c25c2ddc193241d7506b23ac4f6e8e8508b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "942d12f697076d614a299b1cd461c25c2ddc193241d7506b23ac4f6e8e8508b2", kill_on_drop: false }`
[INFO] [stdout] 942d12f697076d614a299b1cd461c25c2ddc193241d7506b23ac4f6e8e8508b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac41be8b0ba5dbd97579d4c615d1e412f3f5c2ed0d1f6a92a1bb854937a2e47d
[INFO] running `Command { std: "docker" "start" "-a" "ac41be8b0ba5dbd97579d4c615d1e412f3f5c2ed0d1f6a92a1bb854937a2e47d", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling file_log v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "ac41be8b0ba5dbd97579d4c615d1e412f3f5c2ed0d1f6a92a1bb854937a2e47d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac41be8b0ba5dbd97579d4c615d1e412f3f5c2ed0d1f6a92a1bb854937a2e47d", kill_on_drop: false }`
[INFO] [stdout] ac41be8b0ba5dbd97579d4c615d1e412f3f5c2ed0d1f6a92a1bb854937a2e47d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22f2139ca124c04e35d36a745bb4d1e9d5c17ab76affaf0908fbba4b245028dd
[INFO] running `Command { std: "docker" "start" "-a" "22f2139ca124c04e35d36a745bb4d1e9d5c17ab76affaf0908fbba4b245028dd", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling file_log v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "22f2139ca124c04e35d36a745bb4d1e9d5c17ab76affaf0908fbba4b245028dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22f2139ca124c04e35d36a745bb4d1e9d5c17ab76affaf0908fbba4b245028dd", kill_on_drop: false }`
[INFO] [stdout] 22f2139ca124c04e35d36a745bb4d1e9d5c17ab76affaf0908fbba4b245028dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cf3dc982ccababa3a699ea219737005d2870c92ddba620ee003a87a77e4756da
[INFO] running `Command { std: "docker" "start" "-a" "cf3dc982ccababa3a699ea219737005d2870c92ddba620ee003a87a77e4756da", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/file_log-ea3301c186ad2446)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_index_next ... FAILED
[INFO] [stdout] test tests::test_index_write_log ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_index_next stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::test_index_next' (25) panicked at src/lib.rs:63:49:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x602f8d264ed2 - std::backtrace_rs::backtrace::libunwind::trace::hc4a5f428cfb78751
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x602f8d264ed2 - std::backtrace_rs::backtrace::trace_unsynchronized::h20e1095684b4c296
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x602f8d264ed2 - std::sys::backtrace::_print_fmt::h461f2e3a8f6b29e2
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x602f8d264ed2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h4ee3a75aa71a2c45
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x602f8d2878df - core::fmt::rt::Argument::fmt::h6f1564705cd089af
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x602f8d2878df - core::fmt::write::h21ca93b65a7c281a
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x602f8d251dc3 - std::io::default_write_fmt::h6f3360f4711e9130
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x602f8d251dc3 - std::io::Write::write_fmt::hf4539125c0e0bc30
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x602f8d2654e2 - std::sys::backtrace::BacktraceLock::print::h58d5d73f9e953cf1
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x602f8d25041c - std::panicking::default_hook::{{closure}}::h1457fbe47c9457d1
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x602f8d250294 - std::panicking::default_hook::hccb5e73b206c0830
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x602f8d2018ee - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h04940a86aa899793
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x602f8d2018ee - test::test_main_with_exit_callback::{{closure}}::hca6cc295403b83e8
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x602f8d251073 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h9d85285925beb538
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x602f8d251073 - std::panicking::panic_with_hook::h3190ecc6229cdd29
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x602f8d2652ea - std::panicking::panic_handler::{{closure}}::ha1f1b769bc2bb40c
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x602f8d265249 - std::sys::backtrace::__rust_end_short_backtrace::h5f9cf66f19c2a172
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x602f8d250d1d - __rustc[a93bd50104b99ad4]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x602f8d28e8a0 - core::panicking::panic_fmt::hc70c3c83f13c1375
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x602f8d28f956 - core::result::unwrap_failed::ha809bf80017a514a
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/result.rs:1852:5
[INFO] [stdout]   20:     0x602f8d1f0cc8 - core::result::Result<T,E>::unwrap::h6766492d7398fe9b
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/result.rs:1223:23
[INFO] [stdout]   21:     0x602f8d1f0cc8 - file_log::Index::save::h75156ff736e7c63a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:63:49
[INFO] [stdout]   22:     0x602f8d1f11b7 - <file_log::Index as core::default::Default>::default::h742e2bf67230e373
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:105:19
[INFO] [stdout]   23:     0x602f8d1f3089 - file_log::tests::test_index_next::hf8731eebbb4bb313
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:121:25
[INFO] [stdout]   24:     0x602f8d1f35a7 - file_log::tests::test_index_next::{{closure}}::hbbe6b53f8d4c7859
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:120:25
[INFO] [stdout]   25:     0x602f8d1eebe6 - core::ops::function::FnOnce::call_once::h9fae8f14781b4396
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   26:     0x602f8d20296b - core::ops::function::FnOnce::call_once::h70d190c46966003b
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   27:     0x602f8d20296b - test::__rust_begin_short_backtrace::hb077ccaabb17d2ec
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:663:18
[INFO] [stdout]   28:     0x602f8d2005d5 - test::run_test_in_process::{{closure}}::hd73eeb633a1507bd
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:686:74
[INFO] [stdout]   29:     0x602f8d2005d5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h033c82756fc9d192
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   30:     0x602f8d2005d5 - std::panicking::catch_unwind::do_call::h734b44e243d34585
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:590:40
[INFO] [stdout]   31:     0x602f8d2005d5 - std::panicking::catch_unwind::h5e85417122517fb1
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:553:19
[INFO] [stdout]   32:     0x602f8d2005d5 - std::panic::catch_unwind::h0900e58a82a7d188
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panic.rs:359:14
[INFO] [stdout]   33:     0x602f8d2005d5 - test::run_test_in_process::h27721efd62ae77d0
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:686:27
[INFO] [stdout]   34:     0x602f8d2005d5 - test::run_test::{{closure}}::h8b1264838cc597aa
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:607:43
[INFO] [stdout]   35:     0x602f8d2274e4 - test::run_test::{{closure}}::h6ecb96835e2eae4f
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:637:41
[INFO] [stdout]   36:     0x602f8d2274e4 - std::sys::backtrace::__rust_begin_short_backtrace::h098f38ee82a820a7
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   37:     0x602f8d20e0fa - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h042592f748f5e369
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   38:     0x602f8d20e0fa - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h134fe7f3a2d9ec8d
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   39:     0x602f8d20e0fa - std::panicking::catch_unwind::do_call::heb87d604f60aee16
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:590:40
[INFO] [stdout]   40:     0x602f8d20e0fa - std::panicking::catch_unwind::h2203a0f553b89fd7
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:553:19
[INFO] [stdout]   41:     0x602f8d20e0fa - std::panic::catch_unwind::h4d383e0b0e25d838
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panic.rs:359:14
[INFO] [stdout]   42:     0x602f8d20e0fa - std::thread::Builder::spawn_unchecked_::{{closure}}::h76cbdd4635cfd58b
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   43:     0x602f8d20e0fa - core::ops::function::FnOnce::call_once{{vtable.shim}}::he72e066680f5e267
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   44:     0x602f8d23b30f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h1b9c6fea2cbefc68
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   45:     0x602f8d23b30f - std::sys::pal::unix::thread::Thread::new::thread_start::h92caa992bc760789
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   46:     0x76da83cf9aa4 - <unknown>
[INFO] [stdout]   47:     0x76da83d86a34 - clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_index_write_log stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::test_index_write_log' (26) panicked at src/lib.rs:63:49:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x602f8d264ed2 - std::backtrace_rs::backtrace::libunwind::trace::hc4a5f428cfb78751
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x602f8d264ed2 - std::backtrace_rs::backtrace::trace_unsynchronized::h20e1095684b4c296
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x602f8d264ed2 - std::sys::backtrace::_print_fmt::h461f2e3a8f6b29e2
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x602f8d264ed2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h4ee3a75aa71a2c45
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x602f8d2878df - core::fmt::rt::Argument::fmt::h6f1564705cd089af
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x602f8d2878df - core::fmt::write::h21ca93b65a7c281a
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x602f8d251dc3 - std::io::default_write_fmt::h6f3360f4711e9130
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x602f8d251dc3 - std::io::Write::write_fmt::hf4539125c0e0bc30
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x602f8d2654e2 - std::sys::backtrace::BacktraceLock::print::h58d5d73f9e953cf1
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x602f8d25041c - std::panicking::default_hook::{{closure}}::h1457fbe47c9457d1
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x602f8d250294 - std::panicking::default_hook::hccb5e73b206c0830
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x602f8d2018ee - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h04940a86aa899793
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x602f8d2018ee - test::test_main_with_exit_callback::{{closure}}::hca6cc295403b83e8
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x602f8d251073 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h9d85285925beb538
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x602f8d251073 - std::panicking::panic_with_hook::h3190ecc6229cdd29
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x602f8d2652ea - std::panicking::panic_handler::{{closure}}::ha1f1b769bc2bb40c
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x602f8d265249 - std::sys::backtrace::__rust_end_short_backtrace::h5f9cf66f19c2a172
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x602f8d250d1d - __rustc[a93bd50104b99ad4]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x602f8d28e8a0 - core::panicking::panic_fmt::hc70c3c83f13c1375
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x602f8d28f956 - core::result::unwrap_failed::ha809bf80017a514a
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/result.rs:1852:5
[INFO] [stdout]   20:     0x602f8d1f0cc8 - core::result::Result<T,E>::unwrap::h6766492d7398fe9b
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/result.rs:1223:23
[INFO] [stdout]   21:     0x602f8d1f0cc8 - file_log::Index::save::h75156ff736e7c63a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:63:49
[INFO] [stdout]   22:     0x602f8d1f11b7 - <file_log::Index as core::default::Default>::default::h742e2bf67230e373
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:105:19
[INFO] [stdout]   23:     0x602f8d1f31a4 - file_log::tests::test_index_write_log::h5f4d610ddcddc4cf
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:129:21
[INFO] [stdout]   24:     0x602f8d1f3157 - file_log::tests::test_index_write_log::{{closure}}::h4556b6be8a10b522
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:128:30
[INFO] [stdout]   25:     0x602f8d1ee9b6 - core::ops::function::FnOnce::call_once::haa82abb275152473
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   26:     0x602f8d20296b - core::ops::function::FnOnce::call_once::h70d190c46966003b
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   27:     0x602f8d20296b - test::__rust_begin_short_backtrace::hb077ccaabb17d2ec
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:663:18
[INFO] [stdout]   28:     0x602f8d2005d5 - test::run_test_in_process::{{closure}}::hd73eeb633a1507bd
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:686:74
[INFO] [stdout]   29:     0x602f8d2005d5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h033c82756fc9d192
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   30:     0x602f8d2005d5 - std::panicking::catch_unwind::do_call::h734b44e243d34585
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:590:40
[INFO] [stdout]   31:     0x602f8d2005d5 - std::panicking::catch_unwind::h5e85417122517fb1
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:553:19
[INFO] [stdout]   32:     0x602f8d2005d5 - std::panic::catch_unwind::h0900e58a82a7d188
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panic.rs:359:14
[INFO] [stdout]   33:     0x602f8d2005d5 - test::run_test_in_process::h27721efd62ae77d0
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:686:27
[INFO] [stdout]   34:     0x602f8d2005d5 - test::run_test::{{closure}}::h8b1264838cc597aa
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:607:43
[INFO] [stdout]   35:     0x602f8d2274e4 - test::run_test::{{closure}}::h6ecb96835e2eae4f
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/test/src/lib.rs:637:41
[INFO] [stdout]   36:     0x602f8d2274e4 - std::sys::backtrace::__rust_begin_short_backtrace::h098f38ee82a820a7
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   37:     0x602f8d20e0fa - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h042592f748f5e369
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   38:     0x602f8d20e0fa - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h134fe7f3a2d9ec8d
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   39:     0x602f8d20e0fa - std::panicking::catch_unwind::do_call::heb87d604f60aee16
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:590:40
[INFO] [stdout]   40:     0x602f8d20e0fa - std::panicking::catch_unwind::h2203a0f553b89fd7
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:553:19
[INFO] [stdout]   41:     0x602f8d20e0fa - std::panic::catch_unwind::h4d383e0b0e25d838
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panic.rs:359:14
[INFO] [stdout]   42:     0x602f8d20e0fa - std::thread::Builder::spawn_unchecked_::{{closure}}::h76cbdd4635cfd58b
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   43:     0x602f8d20e0fa - core::ops::function::FnOnce::call_once{{vtable.shim}}::he72e066680f5e267
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   44:     0x602f8d23b30f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h1b9c6fea2cbefc68
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   45:     0x602f8d23b30f - std::sys::pal::unix::thread::Thread::new::thread_start::h92caa992bc760789
[INFO] [stdout]                                at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   46:     0x76da83cf9aa4 - <unknown>
[INFO] [stdout]   47:     0x76da83d86a34 - clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_index_next
[INFO] [stdout]     tests::test_index_write_log
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "cf3dc982ccababa3a699ea219737005d2870c92ddba620ee003a87a77e4756da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf3dc982ccababa3a699ea219737005d2870c92ddba620ee003a87a77e4756da", kill_on_drop: false }`
[INFO] [stdout] cf3dc982ccababa3a699ea219737005d2870c92ddba620ee003a87a77e4756da