[INFO] fetching crate poly_logger 0.1.1...
[INFO] testing poly_logger-0.1.1 against 1.75.0 for beta-1.76-1
[INFO] extracting crate poly_logger 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate poly_logger 0.1.1 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate poly_logger 0.1.1
[INFO] finished tweaking crates.io crate poly_logger 0.1.1
[INFO] tweaked toml for crates.io crate poly_logger 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate poly_logger 0.1.1 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strfmt v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0aa78bb594b8a88b3c434b921f25813dd84d86f876622eaa111d974574a76d8c
[INFO] running `Command { std: "docker" "start" "-a" "0aa78bb594b8a88b3c434b921f25813dd84d86f876622eaa111d974574a76d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0aa78bb594b8a88b3c434b921f25813dd84d86f876622eaa111d974574a76d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0aa78bb594b8a88b3c434b921f25813dd84d86f876622eaa111d974574a76d8c", kill_on_drop: false }`
[INFO] [stdout] 0aa78bb594b8a88b3c434b921f25813dd84d86f876622eaa111d974574a76d8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71bfd72e1c8f67b4755a1eb05dbc56b05a50fd590fe713fb05c6e089a96f617e
[INFO] running `Command { std: "docker" "start" "-a" "71bfd72e1c8f67b4755a1eb05dbc56b05a50fd590fe713fb05c6e089a96f617e", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling strfmt v0.1.6
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling chrono v0.4.15
[INFO] [stderr]    Compiling poly_logger v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/log_formatter.rs:22:52
[INFO] [stdout]    |
[INFO] [stdout] 22 |             timestamp_format: self.timestamp_format.clone(),
[INFO] [stdout]    |                                                    ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/log_formatter.rs:23:40
[INFO] [stdout]    |
[INFO] [stdout] 23 |             msg_format: self.msg_format.clone(),
[INFO] [stdout]    |                                        ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.36s
[INFO] running `Command { std: "docker" "inspect" "71bfd72e1c8f67b4755a1eb05dbc56b05a50fd590fe713fb05c6e089a96f617e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71bfd72e1c8f67b4755a1eb05dbc56b05a50fd590fe713fb05c6e089a96f617e", kill_on_drop: false }`
[INFO] [stdout] 71bfd72e1c8f67b4755a1eb05dbc56b05a50fd590fe713fb05c6e089a96f617e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47d2ca0906515528bc0a79fa58359654dd1a03529c9314756ba29d4f061910e2
[INFO] running `Command { std: "docker" "start" "-a" "47d2ca0906515528bc0a79fa58359654dd1a03529c9314756ba29d4f061910e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling poly_logger v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/log_formatter.rs:22:52
[INFO] [stdout]    |
[INFO] [stdout] 22 |             timestamp_format: self.timestamp_format.clone(),
[INFO] [stdout]    |                                                    ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/log_formatter.rs:23:40
[INFO] [stdout]    |
[INFO] [stdout] 23 |             msg_format: self.msg_format.clone(),
[INFO] [stdout]    |                                        ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/log_formatter.rs:22:52
[INFO] [stdout]    |
[INFO] [stdout] 22 |             timestamp_format: self.timestamp_format.clone(),
[INFO] [stdout]    |                                                    ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/log_formatter.rs:23:40
[INFO] [stdout]    |
[INFO] [stdout] 23 |             msg_format: self.msg_format.clone(),
[INFO] [stdout]    |                                        ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "47d2ca0906515528bc0a79fa58359654dd1a03529c9314756ba29d4f061910e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47d2ca0906515528bc0a79fa58359654dd1a03529c9314756ba29d4f061910e2", kill_on_drop: false }`
[INFO] [stdout] 47d2ca0906515528bc0a79fa58359654dd1a03529c9314756ba29d4f061910e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2c3eae8357a92a8f70ba0022c8bca3208061698b6e24a6f968339260cf5e44fc
[INFO] running `Command { std: "docker" "start" "-a" "2c3eae8357a92a8f70ba0022c8bca3208061698b6e24a6f968339260cf5e44fc", kill_on_drop: false }`
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]   --> src/log_formatter.rs:22:52
[INFO] [stderr]    |
[INFO] [stderr] 22 |             timestamp_format: self.timestamp_format.clone(),
[INFO] [stderr]    |                                                    ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]    |
[INFO] [stderr]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]   --> src/log_formatter.rs:23:40
[INFO] [stderr]    |
[INFO] [stderr] 23 |             msg_format: self.msg_format.clone(),
[INFO] [stderr]    |                                        ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]    |
[INFO] [stderr]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr] 
[INFO] [stderr] warning: `poly_logger` (lib) generated 2 warnings (run `cargo fix --lib -p poly_logger` to apply 2 suggestions)
[INFO] [stderr] warning: `poly_logger` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/poly_logger-89196395fdaa8a14)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests poly_logger
[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 9 tests
[INFO] [stdout] test src/instance.rs - instance::StderrLogger (line 66) ... ok
[INFO] [stdout] test src/gen_logger.rs - gen_logger::GenLogger (line 10) ... ok
[INFO] [stdout] test src/instance.rs - instance::FileLogger (line 98) ... FAILED
[INFO] [stdout] test src/instance.rs - instance::StdoutLogger (line 23) ... ok
[INFO] [stdout] test src/instance.rs - instance::FileLogger (line 116) ... FAILED
[INFO] [stdout] test src/gen_logger.rs - gen_logger::GenLogger (line 21) ... ok
[INFO] [stdout] test src/instance.rs - instance::StderrLogger (line 54) ... ok
[INFO] [stdout] test src/instance.rs - instance::StdoutLogger (line 11) ... ok
[INFO] [stdout] test src/poly_logger.rs - poly_logger::PolyLogger (line 16) ... FAILED
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/instance.rs - instance::FileLogger (line 98) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at src/instance.rs:213:22:
[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:     0x555996f55c7c - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x555996f55c7c - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x555996f55c7c - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x555996f55c7c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x555996f76290 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x555996f76290 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x555996f53fbf - std::io::Write::write_fmt::h5fc9997dfe05f882
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stdout]    7:     0x555996f55a64 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x555996f55a64 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x555996f56f77 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stdout]   10:     0x555996f56cdf - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:292:9
[INFO] [stdout]   11:     0x555996f573f8 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:779:13
[INFO] [stdout]   12:     0x555996f572de - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:657:13
[INFO] [stdout]   13:     0x555996f56146 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stdout]   14:     0x555996f57042 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stdout]   15:     0x555996f07f15 - core::panicking::panic_fmt::hbf0e066aabfa482c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14
[INFO] [stdout]   16:     0x555996f08373 - core::result::unwrap_failed::hddb4fea594200c52
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1653:5
[INFO] [stdout]   17:     0x555996f170eb - core::result::Result<T,E>::unwrap::h423f6830f3f6402c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1077:23
[INFO] [stdout]   18:     0x555996f0eaf1 - poly_logger::instance::FileLogger::create::ha579077e81e9f6d6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/instance.rs:211:28
[INFO] [stdout]   19:     0x555996f0e775 - poly_logger::instance::FileLogger::init::h68ecca932a1326ef
[INFO] [stdout]                                at /opt/rustwide/workdir/src/instance.rs:162:22
[INFO] [stdout]   20:     0x555996f08a77 - rust_out::main::_doctest_main_src_instance_rs_98_0::h5dc0287b915f2e93
[INFO] [stdout]   21:     0x555996f089f6 - rust_out::main::hc20c0d07e2402830
[INFO] [stdout]   22:     0x555996f08863 - core::ops::function::FnOnce::call_once::hbc459743598298c4
[INFO] [stdout]   23:     0x555996f08706 - std::sys_common::backtrace::__rust_begin_short_backtrace::h62debe7d3058b76a
[INFO] [stdout]   24:     0x555996f08759 - std::rt::lang_start::{{closure}}::h8f486f3e1e6418b2
[INFO] [stdout]   25:     0x555996f50fb7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd95060ecd5e1ca24
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   26:     0x555996f50fb7 - std::panicking::try::do_call::h6e8cf51db32a6e4b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   27:     0x555996f50fb7 - std::panicking::try::h3a52eefe24fe3c29
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   28:     0x555996f50fb7 - std::panic::catch_unwind::h24c28c23c02c3841
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   29:     0x555996f50fb7 - std::rt::lang_start_internal::{{closure}}::h705d3c9cbc06ef47
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/rt.rs:148:48
[INFO] [stdout]   30:     0x555996f50fb7 - std::panicking::try::do_call::ha21f52ba13158470
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   31:     0x555996f50fb7 - std::panicking::try::h5581346bf6aeb1f8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   32:     0x555996f50fb7 - std::panic::catch_unwind::h7919645a6b72e25b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   33:     0x555996f50fb7 - std::rt::lang_start_internal::h12de51168669836e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/rt.rs:148:20
[INFO] [stdout]   34:     0x555996f08737 - std::rt::lang_start::h2c48f91a7bf85629
[INFO] [stdout]   35:     0x555996f08ba5 - main
[INFO] [stdout]   36:     0x7fcd28856d90 - <unknown>
[INFO] [stdout]   37:     0x7fcd28856e40 - __libc_start_main
[INFO] [stdout]   38:     0x555996f08635 - _start
[INFO] [stdout]   39:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/instance.rs - instance::FileLogger (line 116) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at src/instance.rs:213:22:
[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:     0x55acb5010d9c - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55acb5010d9c - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55acb5010d9c - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55acb5010d9c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55acb50313b0 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55acb50313b0 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55acb500f0df - std::io::Write::write_fmt::h5fc9997dfe05f882
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stdout]    7:     0x55acb5010b84 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55acb5010b84 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55acb5012097 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stdout]   10:     0x55acb5011dff - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:292:9
[INFO] [stdout]   11:     0x55acb5012518 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:779:13
[INFO] [stdout]   12:     0x55acb50123fe - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:657:13
[INFO] [stdout]   13:     0x55acb5011266 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stdout]   14:     0x55acb5012162 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stdout]   15:     0x55acb4fc2f15 - core::panicking::panic_fmt::hbf0e066aabfa482c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14
[INFO] [stdout]   16:     0x55acb4fc3373 - core::result::unwrap_failed::hddb4fea594200c52
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1653:5
[INFO] [stdout]   17:     0x55acb4fd21cb - core::result::Result<T,E>::unwrap::h423f6830f3f6402c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1077:23
[INFO] [stdout]   18:     0x55acb4fc9bd1 - poly_logger::instance::FileLogger::create::ha579077e81e9f6d6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/instance.rs:211:28
[INFO] [stdout]   19:     0x55acb4fc97d5 - poly_logger::instance::FileLogger::init::h68ecca932a1326ef
[INFO] [stdout]                                at /opt/rustwide/workdir/src/instance.rs:162:22
[INFO] [stdout]   20:     0x55acb4fc3ad6 - rust_out::main::_doctest_main_src_instance_rs_116_0::ha6656c5a3dddf58e
[INFO] [stdout]   21:     0x55acb4fc39f6 - rust_out::main::hc20c0d07e2402830
[INFO] [stdout]   22:     0x55acb4fc3863 - core::ops::function::FnOnce::call_once::hbc459743598298c4
[INFO] [stdout]   23:     0x55acb4fc3706 - std::sys_common::backtrace::__rust_begin_short_backtrace::h62debe7d3058b76a
[INFO] [stdout]   24:     0x55acb4fc3759 - std::rt::lang_start::{{closure}}::h8f486f3e1e6418b2
[INFO] [stdout]   25:     0x55acb500c0d7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd95060ecd5e1ca24
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   26:     0x55acb500c0d7 - std::panicking::try::do_call::h6e8cf51db32a6e4b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   27:     0x55acb500c0d7 - std::panicking::try::h3a52eefe24fe3c29
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   28:     0x55acb500c0d7 - std::panic::catch_unwind::h24c28c23c02c3841
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   29:     0x55acb500c0d7 - std::rt::lang_start_internal::{{closure}}::h705d3c9cbc06ef47
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/rt.rs:148:48
[INFO] [stdout]   30:     0x55acb500c0d7 - std::panicking::try::do_call::ha21f52ba13158470
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   31:     0x55acb500c0d7 - std::panicking::try::h5581346bf6aeb1f8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   32:     0x55acb500c0d7 - std::panic::catch_unwind::h7919645a6b72e25b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   33:     0x55acb500c0d7 - std::rt::lang_start_internal::h12de51168669836e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/rt.rs:148:20
[INFO] [stdout]   34:     0x55acb4fc3737 - std::rt::lang_start::h2c48f91a7bf85629
[INFO] [stdout]   35:     0x55acb4fc3c05 - main
[INFO] [stdout]   36:     0x7f6d6f205d90 - <unknown>
[INFO] [stdout]   37:     0x7f6d6f205e40 - __libc_start_main
[INFO] [stdout]   38:     0x55acb4fc3635 - _start
[INFO] [stdout]   39:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/poly_logger.rs - poly_logger::PolyLogger (line 16) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at src/instance.rs:213:22:
[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:     0x55b7d46f30ec - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55b7d46f30ec - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55b7d46f30ec - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55b7d46f30ec - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55b7d4713700 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55b7d4713700 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55b7d46f142f - std::io::Write::write_fmt::h5fc9997dfe05f882
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stdout]    7:     0x55b7d46f2ed4 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55b7d46f2ed4 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55b7d46f43e7 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stdout]   10:     0x55b7d46f414f - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:292:9
[INFO] [stdout]   11:     0x55b7d46f4868 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:779:13
[INFO] [stdout]   12:     0x55b7d46f474e - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:657:13
[INFO] [stdout]   13:     0x55b7d46f35b6 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stdout]   14:     0x55b7d46f44b2 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stdout]   15:     0x55b7d46a1f15 - core::panicking::panic_fmt::hbf0e066aabfa482c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14
[INFO] [stdout]   16:     0x55b7d46a2463 - core::result::unwrap_failed::hddb4fea594200c52
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1653:5
[INFO] [stdout]   17:     0x55b7d46b402b - core::result::Result<T,E>::unwrap::h423f6830f3f6402c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1077:23
[INFO] [stdout]   18:     0x55b7d46ab5a1 - poly_logger::instance::FileLogger::create::ha579077e81e9f6d6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/instance.rs:211:28
[INFO] [stdout]   19:     0x55b7d46a500e - rust_out::main::_doctest_main_src_poly_logger_rs_16_0::h18b156f8d380c9c6
[INFO] [stdout]   20:     0x55b7d46a4f16 - rust_out::main::hc20c0d07e2402830
[INFO] [stdout]   21:     0x55b7d46a3813 - core::ops::function::FnOnce::call_once::hbc459743598298c4
[INFO] [stdout]   22:     0x55b7d46a3296 - std::sys_common::backtrace::__rust_begin_short_backtrace::h62debe7d3058b76a
[INFO] [stdout]   23:     0x55b7d46a32e9 - std::rt::lang_start::{{closure}}::h8f486f3e1e6418b2
[INFO] [stdout]   24:     0x55b7d46ee1c7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd95060ecd5e1ca24
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   25:     0x55b7d46ee1c7 - std::panicking::try::do_call::h6e8cf51db32a6e4b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   26:     0x55b7d46ee1c7 - std::panicking::try::h3a52eefe24fe3c29
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   27:     0x55b7d46ee1c7 - std::panic::catch_unwind::h24c28c23c02c3841
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   28:     0x55b7d46ee1c7 - std::rt::lang_start_internal::{{closure}}::h705d3c9cbc06ef47
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/rt.rs:148:48
[INFO] [stdout]   29:     0x55b7d46ee1c7 - std::panicking::try::do_call::ha21f52ba13158470
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   30:     0x55b7d46ee1c7 - std::panicking::try::h5581346bf6aeb1f8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   31:     0x55b7d46ee1c7 - std::panic::catch_unwind::h7919645a6b72e25b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   32:     0x55b7d46ee1c7 - std::rt::lang_start_internal::h12de51168669836e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/rt.rs:148:20
[INFO] [stdout]   33:     0x55b7d46a32c7 - std::rt::lang_start::h2c48f91a7bf85629
[INFO] [stdout]   34:     0x55b7d46a52d5 - main
[INFO] [stdout]   35:     0x7fb612c03d90 - <unknown>
[INFO] [stdout]   36:     0x7fb612c03e40 - __libc_start_main
[INFO] [stdout]   37:     0x55b7d46a2725 - _start
[INFO] [stdout]   38:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/instance.rs - instance::FileLogger (line 116)
[INFO] [stdout]     src/instance.rs - instance::FileLogger (line 98)
[INFO] [stdout]     src/poly_logger.rs - poly_logger::PolyLogger (line 16)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.26s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2c3eae8357a92a8f70ba0022c8bca3208061698b6e24a6f968339260cf5e44fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c3eae8357a92a8f70ba0022c8bca3208061698b6e24a6f968339260cf5e44fc", kill_on_drop: false }`
[INFO] [stdout] 2c3eae8357a92a8f70ba0022c8bca3208061698b6e24a6f968339260cf5e44fc
[INFO] testing poly_logger-0.1.1 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate poly_logger 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate poly_logger 0.1.1 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate poly_logger 0.1.1
[INFO] finished tweaking crates.io crate poly_logger 0.1.1
[INFO] tweaked toml for crates.io crate poly_logger 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate poly_logger 0.1.1 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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e92d0bfc02114674fe87cda605515f22bf2ea67bc12019e08a4916857c6b5e1
[INFO] running `Command { std: "docker" "start" "-a" "8e92d0bfc02114674fe87cda605515f22bf2ea67bc12019e08a4916857c6b5e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e92d0bfc02114674fe87cda605515f22bf2ea67bc12019e08a4916857c6b5e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e92d0bfc02114674fe87cda605515f22bf2ea67bc12019e08a4916857c6b5e1", kill_on_drop: false }`
[INFO] [stdout] 8e92d0bfc02114674fe87cda605515f22bf2ea67bc12019e08a4916857c6b5e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5f28c9846a6f2466837b82e5d9b446aa13f46e7d209031f29f1450040d74a8e
[INFO] running `Command { std: "docker" "start" "-a" "a5f28c9846a6f2466837b82e5d9b446aa13f46e7d209031f29f1450040d74a8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling strfmt v0.1.6
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling chrono v0.4.15
[INFO] [stderr]    Compiling poly_logger v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/log_formatter.rs:22:52
[INFO] [stdout]    |
[INFO] [stdout] 22 |             timestamp_format: self.timestamp_format.clone(),
[INFO] [stdout]    |                                                    ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/log_formatter.rs:23:40
[INFO] [stdout]    |
[INFO] [stdout] 23 |             msg_format: self.msg_format.clone(),
[INFO] [stdout]    |                                        ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.91s
[INFO] running `Command { std: "docker" "inspect" "a5f28c9846a6f2466837b82e5d9b446aa13f46e7d209031f29f1450040d74a8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5f28c9846a6f2466837b82e5d9b446aa13f46e7d209031f29f1450040d74a8e", kill_on_drop: false }`
[INFO] [stdout] a5f28c9846a6f2466837b82e5d9b446aa13f46e7d209031f29f1450040d74a8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5625eba69f03a7fe4cc7dec0283d2252d5ce847976d297a8825b313f0692792
[INFO] running `Command { std: "docker" "start" "-a" "a5625eba69f03a7fe4cc7dec0283d2252d5ce847976d297a8825b313f0692792", kill_on_drop: false }`
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/log_formatter.rs:22:52
[INFO] [stdout]    |
[INFO] [stdout] 22 |             timestamp_format: self.timestamp_format.clone(),
[INFO] [stdout]    |                                                    ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/log_formatter.rs:23:40
[INFO] [stdout]    |
[INFO] [stdout] 23 |             msg_format: self.msg_format.clone(),
[INFO] [stdout]    |                                        ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling poly_logger v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/log_formatter.rs:22:52
[INFO] [stdout]    |
[INFO] [stdout] 22 |             timestamp_format: self.timestamp_format.clone(),
[INFO] [stdout]    |                                                    ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/log_formatter.rs:23:40
[INFO] [stdout]    |
[INFO] [stdout] 23 |             msg_format: self.msg_format.clone(),
[INFO] [stdout]    |                                        ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "a5625eba69f03a7fe4cc7dec0283d2252d5ce847976d297a8825b313f0692792", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5625eba69f03a7fe4cc7dec0283d2252d5ce847976d297a8825b313f0692792", kill_on_drop: false }`
[INFO] [stdout] a5625eba69f03a7fe4cc7dec0283d2252d5ce847976d297a8825b313f0692792
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 173260cb96ccbdfe4637fb7be0b243ee62f7db996c2d81c7093c605fb7bd4b3f
[INFO] running `Command { std: "docker" "start" "-a" "173260cb96ccbdfe4637fb7be0b243ee62f7db996c2d81c7093c605fb7bd4b3f", kill_on_drop: false }`
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]   --> src/log_formatter.rs:22:52
[INFO] [stderr]    |
[INFO] [stderr] 22 |             timestamp_format: self.timestamp_format.clone(),
[INFO] [stderr]    |                                                    ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]    |
[INFO] [stderr]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]   --> src/log_formatter.rs:23:40
[INFO] [stderr]    |
[INFO] [stderr] 23 |             msg_format: self.msg_format.clone(),
[INFO] [stderr]    |                                        ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]    |
[INFO] [stderr]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr] 
[INFO] [stderr] warning: `poly_logger` (lib) generated 2 warnings (run `cargo fix --lib -p poly_logger` to apply 2 suggestions)
[INFO] [stderr] warning: `poly_logger` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/poly_logger-b7e98bb75a4800fc)
[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 poly_logger
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/instance.rs - instance::StdoutLogger (line 23) ... ok
[INFO] [stdout] test src/gen_logger.rs - gen_logger::GenLogger (line 10) ... ok
[INFO] [stdout] test src/instance.rs - instance::FileLogger (line 116) ... FAILED
[INFO] [stdout] test src/instance.rs - instance::StderrLogger (line 66) ... ok
[INFO] [stdout] test src/instance.rs - instance::StderrLogger (line 54) ... ok
[INFO] [stdout] test src/instance.rs - instance::StdoutLogger (line 11) ... ok
[INFO] [stdout] test src/instance.rs - instance::FileLogger (line 98) ... FAILED
[INFO] [stdout] test src/gen_logger.rs - gen_logger::GenLogger (line 21) ... ok
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] test src/poly_logger.rs - poly_logger::PolyLogger (line 16) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/instance.rs - instance::FileLogger (line 116) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at src/instance.rs:213:22:
[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:     0x55669944af76 - std::backtrace_rs::backtrace::libunwind::trace::h261606ad26a499c1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55669944af76 - std::backtrace_rs::backtrace::trace_unsynchronized::hd183f0625477fb28
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55669944af76 - std::sys_common::backtrace::_print_fmt::hd7f8fef21b4eda67
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55669944af76 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h623d9b51f2f453f1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55669946a6c0 - core::fmt::rt::Argument::fmt::h9f417ac76a86f368
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55669946a6c0 - core::fmt::write::hc9b6faf4ac2aeff7
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x5566994492cf - std::io::Write::write_fmt::hfead1eee52c2e65e
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x55669944ad54 - std::sys_common::backtrace::_print::hd5d66399c7df88a2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55669944ad54 - std::sys_common::backtrace::print::he81ed2da642d37e5
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55669944c2b7 - std::panicking::default_hook::{{closure}}::h85773f4fa117163d
[INFO] [stdout]   10:     0x55669944c019 - std::panicking::default_hook::h6a1694a91d09b278
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:292:9
[INFO] [stdout]   11:     0x55669944c748 - std::panicking::rust_panic_with_hook::h0a7ad96e90f7145b
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:779:13
[INFO] [stdout]   12:     0x55669944c622 - std::panicking::begin_panic_handler::{{closure}}::h7919090525c6485e
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:657:13
[INFO] [stdout]   13:     0x55669944b476 - std::sys_common::backtrace::__rust_end_short_backtrace::hf3289479464f7dfe
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   14:     0x55669944c380 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:645:5
[INFO] [stdout]   15:     0x5566993fcf25 - core::panicking::panic_fmt::hcc9f77c5c132af55
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panicking.rs:72:14
[INFO] [stdout]   16:     0x5566993fd393 - core::result::unwrap_failed::hbe14f498be1452f9
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/result.rs:1649:5
[INFO] [stdout]   17:     0x55669940c68b - core::result::Result<T,E>::unwrap::hd453ce49e544119b
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/result.rs:1073:23
[INFO] [stdout]   18:     0x556699403115 - poly_logger::instance::FileLogger::create::h83985ff0b1b56db3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/instance.rs:211:28
[INFO] [stdout]   19:     0x556699402d25 - poly_logger::instance::FileLogger::init::hbfb35bb503d3ff68
[INFO] [stdout]                                at /opt/rustwide/workdir/src/instance.rs:162:22
[INFO] [stdout]   20:     0x5566993fdaf6 - rust_out::main::_doctest_main_src_instance_rs_116_0::h8f80ab0e46c95004
[INFO] [stdout]   21:     0x5566993fda16 - rust_out::main::h71185a25be64b52e
[INFO] [stdout]   22:     0x5566993fd883 - core::ops::function::FnOnce::call_once::h0a5e8bc522cf7e26
[INFO] [stdout]   23:     0x5566993fd726 - std::sys_common::backtrace::__rust_begin_short_backtrace::h904992c6a2208b49
[INFO] [stdout]   24:     0x5566993fd779 - std::rt::lang_start::{{closure}}::h95a4dad7805b7c7c
[INFO] [stdout]   25:     0x5566994461b1 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h4eb4c5e1620f29b0
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   26:     0x5566994461b1 - std::panicking::try::do_call::h73fd26535faffcdf
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stdout]   27:     0x5566994461b1 - std::panicking::try::h77ff1d98f0fb9f39
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stdout]   28:     0x5566994461b1 - std::panic::catch_unwind::hab3caf2448b95e37
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stdout]   29:     0x5566994461b1 - std::rt::lang_start_internal::{{closure}}::h8086711f9c783f78
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/rt.rs:148:48
[INFO] [stdout]   30:     0x5566994461b1 - std::panicking::try::do_call::hf920d4dc291cd6ca
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stdout]   31:     0x5566994461b1 - std::panicking::try::h2b806ccc0a85db74
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stdout]   32:     0x5566994461b1 - std::panic::catch_unwind::h038489539c507df2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stdout]   33:     0x5566994461b1 - std::rt::lang_start_internal::h28503b88912e8a5c
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/rt.rs:148:20
[INFO] [stdout]   34:     0x5566993fd757 - std::rt::lang_start::h9942cc54b4d5350a
[INFO] [stdout]   35:     0x5566993fdc25 - main
[INFO] [stdout]   36:     0x7eff22b30d90 - <unknown>
[INFO] [stdout]   37:     0x7eff22b30e40 - __libc_start_main
[INFO] [stdout]   38:     0x5566993fd655 - _start
[INFO] [stdout]   39:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/instance.rs - instance::FileLogger (line 98) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at src/instance.rs:213:22:
[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:     0x55e64b975e56 - std::backtrace_rs::backtrace::libunwind::trace::h261606ad26a499c1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55e64b975e56 - std::backtrace_rs::backtrace::trace_unsynchronized::hd183f0625477fb28
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55e64b975e56 - std::sys_common::backtrace::_print_fmt::hd7f8fef21b4eda67
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55e64b975e56 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h623d9b51f2f453f1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55e64b9955a0 - core::fmt::rt::Argument::fmt::h9f417ac76a86f368
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55e64b9955a0 - core::fmt::write::hc9b6faf4ac2aeff7
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55e64b9741af - std::io::Write::write_fmt::hfead1eee52c2e65e
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x55e64b975c34 - std::sys_common::backtrace::_print::hd5d66399c7df88a2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55e64b975c34 - std::sys_common::backtrace::print::he81ed2da642d37e5
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55e64b977197 - std::panicking::default_hook::{{closure}}::h85773f4fa117163d
[INFO] [stdout]   10:     0x55e64b976ef9 - std::panicking::default_hook::h6a1694a91d09b278
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:292:9
[INFO] [stdout]   11:     0x55e64b977628 - std::panicking::rust_panic_with_hook::h0a7ad96e90f7145b
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:779:13
[INFO] [stdout]   12:     0x55e64b977502 - std::panicking::begin_panic_handler::{{closure}}::h7919090525c6485e
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:657:13
[INFO] [stdout]   13:     0x55e64b976356 - std::sys_common::backtrace::__rust_end_short_backtrace::hf3289479464f7dfe
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   14:     0x55e64b977260 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:645:5
[INFO] [stdout]   15:     0x55e64b927f25 - core::panicking::panic_fmt::hcc9f77c5c132af55
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panicking.rs:72:14
[INFO] [stdout]   16:     0x55e64b928393 - core::result::unwrap_failed::hbe14f498be1452f9
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/result.rs:1649:5
[INFO] [stdout]   17:     0x55e64b93756b - core::result::Result<T,E>::unwrap::hd453ce49e544119b
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/result.rs:1073:23
[INFO] [stdout]   18:     0x55e64b92dff5 - poly_logger::instance::FileLogger::create::h83985ff0b1b56db3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/instance.rs:211:28
[INFO] [stdout]   19:     0x55e64b92dc85 - poly_logger::instance::FileLogger::init::hbfb35bb503d3ff68
[INFO] [stdout]                                at /opt/rustwide/workdir/src/instance.rs:162:22
[INFO] [stdout]   20:     0x55e64b928a97 - rust_out::main::_doctest_main_src_instance_rs_98_0::he064472d0cac0fde
[INFO] [stdout]   21:     0x55e64b928a16 - rust_out::main::h71185a25be64b52e
[INFO] [stdout]   22:     0x55e64b928883 - core::ops::function::FnOnce::call_once::h0a5e8bc522cf7e26
[INFO] [stdout]   23:     0x55e64b928726 - std::sys_common::backtrace::__rust_begin_short_backtrace::h904992c6a2208b49
[INFO] [stdout]   24:     0x55e64b928779 - std::rt::lang_start::{{closure}}::h95a4dad7805b7c7c
[INFO] [stdout]   25:     0x55e64b971091 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h4eb4c5e1620f29b0
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   26:     0x55e64b971091 - std::panicking::try::do_call::h73fd26535faffcdf
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stdout]   27:     0x55e64b971091 - std::panicking::try::h77ff1d98f0fb9f39
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stdout]   28:     0x55e64b971091 - std::panic::catch_unwind::hab3caf2448b95e37
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stdout]   29:     0x55e64b971091 - std::rt::lang_start_internal::{{closure}}::h8086711f9c783f78
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/rt.rs:148:48
[INFO] [stdout]   30:     0x55e64b971091 - std::panicking::try::do_call::hf920d4dc291cd6ca
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stdout]   31:     0x55e64b971091 - std::panicking::try::h2b806ccc0a85db74
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stdout]   32:     0x55e64b971091 - std::panic::catch_unwind::h038489539c507df2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stdout]   33:     0x55e64b971091 - std::rt::lang_start_internal::h28503b88912e8a5c
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/rt.rs:148:20
[INFO] [stdout]   34:     0x55e64b928757 - std::rt::lang_start::h9942cc54b4d5350a
[INFO] [stdout]   35:     0x55e64b928bc5 - main
[INFO] [stdout]   36:     0x7f606e58ed90 - <unknown>
[INFO] [stdout]   37:     0x7f606e58ee40 - __libc_start_main
[INFO] [stdout]   38:     0x55e64b928655 - _start
[INFO] [stdout]   39:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/poly_logger.rs - poly_logger::PolyLogger (line 16) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at src/instance.rs:213:22:
[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:     0x564fc4912306 - std::backtrace_rs::backtrace::libunwind::trace::h261606ad26a499c1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x564fc4912306 - std::backtrace_rs::backtrace::trace_unsynchronized::hd183f0625477fb28
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x564fc4912306 - std::sys_common::backtrace::_print_fmt::hd7f8fef21b4eda67
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x564fc4912306 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h623d9b51f2f453f1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x564fc4931a50 - core::fmt::rt::Argument::fmt::h9f417ac76a86f368
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x564fc4931a50 - core::fmt::write::hc9b6faf4ac2aeff7
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x564fc491065f - std::io::Write::write_fmt::hfead1eee52c2e65e
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x564fc49120e4 - std::sys_common::backtrace::_print::hd5d66399c7df88a2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x564fc49120e4 - std::sys_common::backtrace::print::he81ed2da642d37e5
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x564fc4913647 - std::panicking::default_hook::{{closure}}::h85773f4fa117163d
[INFO] [stdout]   10:     0x564fc49133a9 - std::panicking::default_hook::h6a1694a91d09b278
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:292:9
[INFO] [stdout]   11:     0x564fc4913ad8 - std::panicking::rust_panic_with_hook::h0a7ad96e90f7145b
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:779:13
[INFO] [stdout]   12:     0x564fc49139b2 - std::panicking::begin_panic_handler::{{closure}}::h7919090525c6485e
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:657:13
[INFO] [stdout]   13:     0x564fc4912806 - std::sys_common::backtrace::__rust_end_short_backtrace::hf3289479464f7dfe
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   14:     0x564fc4913710 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:645:5
[INFO] [stdout]   15:     0x564fc48c0f25 - core::panicking::panic_fmt::hcc9f77c5c132af55
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panicking.rs:72:14
[INFO] [stdout]   16:     0x564fc48c1483 - core::result::unwrap_failed::hbe14f498be1452f9
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/result.rs:1649:5
[INFO] [stdout]   17:     0x564fc48d351b - core::result::Result<T,E>::unwrap::hd453ce49e544119b
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/result.rs:1073:23
[INFO] [stdout]   18:     0x564fc48c9d55 - poly_logger::instance::FileLogger::create::h83985ff0b1b56db3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/instance.rs:211:28
[INFO] [stdout]   19:     0x564fc48c408e - rust_out::main::_doctest_main_src_poly_logger_rs_16_0::hcf6fe85a09f8896d
[INFO] [stdout]   20:     0x564fc48c3f96 - rust_out::main::h71185a25be64b52e
[INFO] [stdout]   21:     0x564fc48c2843 - core::ops::function::FnOnce::call_once::h0a5e8bc522cf7e26
[INFO] [stdout]   22:     0x564fc48c22d6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h904992c6a2208b49
[INFO] [stdout]   23:     0x564fc48c2329 - std::rt::lang_start::{{closure}}::h95a4dad7805b7c7c
[INFO] [stdout]   24:     0x564fc490d2e1 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h4eb4c5e1620f29b0
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   25:     0x564fc490d2e1 - std::panicking::try::do_call::h73fd26535faffcdf
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stdout]   26:     0x564fc490d2e1 - std::panicking::try::h77ff1d98f0fb9f39
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stdout]   27:     0x564fc490d2e1 - std::panic::catch_unwind::hab3caf2448b95e37
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stdout]   28:     0x564fc490d2e1 - std::rt::lang_start_internal::{{closure}}::h8086711f9c783f78
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/rt.rs:148:48
[INFO] [stdout]   29:     0x564fc490d2e1 - std::panicking::try::do_call::hf920d4dc291cd6ca
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stdout]   30:     0x564fc490d2e1 - std::panicking::try::h2b806ccc0a85db74
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stdout]   31:     0x564fc490d2e1 - std::panic::catch_unwind::h038489539c507df2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stdout]   32:     0x564fc490d2e1 - std::rt::lang_start_internal::h28503b88912e8a5c
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/rt.rs:148:20
[INFO] [stdout]   33:     0x564fc48c2307 - std::rt::lang_start::h9942cc54b4d5350a
[INFO] [stdout]   34:     0x564fc48c4355 - main
[INFO] [stdout]   35:     0x7f7490e83d90 - <unknown>
[INFO] [stdout]   36:     0x7f7490e83e40 - __libc_start_main
[INFO] [stdout]   37:     0x564fc48c1745 - _start
[INFO] [stdout]   38:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/instance.rs - instance::FileLogger (line 116)
[INFO] [stdout]     src/instance.rs - instance::FileLogger (line 98)
[INFO] [stdout]     src/poly_logger.rs - poly_logger::PolyLogger (line 16)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "173260cb96ccbdfe4637fb7be0b243ee62f7db996c2d81c7093c605fb7bd4b3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "173260cb96ccbdfe4637fb7be0b243ee62f7db996c2d81c7093c605fb7bd4b3f", kill_on_drop: false }`
[INFO] [stdout] 173260cb96ccbdfe4637fb7be0b243ee62f7db996c2d81c7093c605fb7bd4b3f
