[INFO] cloning repository https://github.com/0xJWLabs/sp_log2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xJWLabs/sp_log2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xJWLabs%2Fsp_log2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xJWLabs%2Fsp_log2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37c3c96c86ce7a37ab29e7868e3ae6c17581b40b
[INFO] testing 0xJWLabs/sp_log2 against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xJWLabs%2Fsp_log2" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/0xJWLabs/sp_log2
[INFO] finished tweaking git repo https://github.com/0xJWLabs/sp_log2
[INFO] tweaked toml for git repo https://github.com/0xJWLabs/sp_log2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0xJWLabs/sp_log2 on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0xJWLabs/sp_log2 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.99
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.99
[INFO] [stderr]   Downloaded termcolor2 v0.1.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.99
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.99
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.99
[INFO] [stderr]   Downloaded js-sys v0.3.76
[INFO] [stderr]   Downloaded cc v1.2.7
[INFO] [stderr]   Downloaded libc v0.2.162
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b5ac1eb098241f4fa221fb8611f54d8b2fe76cc927c6912a929d062d1eeb417
[INFO] running `Command { std: "docker" "start" "-a" "1b5ac1eb098241f4fa221fb8611f54d8b2fe76cc927c6912a929d062d1eeb417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b5ac1eb098241f4fa221fb8611f54d8b2fe76cc927c6912a929d062d1eeb417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b5ac1eb098241f4fa221fb8611f54d8b2fe76cc927c6912a929d062d1eeb417", kill_on_drop: false }`
[INFO] [stdout] 1b5ac1eb098241f4fa221fb8611f54d8b2fe76cc927c6912a929d062d1eeb417
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ae4ee2cb5fadd26c8f2b47c76158f92daf57426488161c272b193f1bf054504
[INFO] running `Command { std: "docker" "start" "-a" "9ae4ee2cb5fadd26c8f2b47c76158f92daf57426488161c272b193f1bf054504", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.61
[INFO] [stderr]    Compiling termcolor2 v0.1.1
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling chrono v0.4.39
[INFO] [stderr]    Compiling sp_log2 v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.09s
[INFO] running `Command { std: "docker" "inspect" "9ae4ee2cb5fadd26c8f2b47c76158f92daf57426488161c272b193f1bf054504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ae4ee2cb5fadd26c8f2b47c76158f92daf57426488161c272b193f1bf054504", kill_on_drop: false }`
[INFO] [stdout] 9ae4ee2cb5fadd26c8f2b47c76158f92daf57426488161c272b193f1bf054504
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 298b873e9e623a0179ec18da626a27aa7e7b4a81d5132677d4a35c3097213e64
[INFO] running `Command { std: "docker" "start" "-a" "298b873e9e623a0179ec18da626a27aa7e7b4a81d5132677d4a35c3097213e64", kill_on_drop: false }`
[INFO] [stderr]    Compiling sp_log2 v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "298b873e9e623a0179ec18da626a27aa7e7b4a81d5132677d4a35c3097213e64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "298b873e9e623a0179ec18da626a27aa7e7b4a81d5132677d4a35c3097213e64", kill_on_drop: false }`
[INFO] [stdout] 298b873e9e623a0179ec18da626a27aa7e7b4a81d5132677d4a35c3097213e64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fe2557ea0fdf97a82e8570f98cb073794081f106e41b8e723deb3fadf23e47aa
[INFO] running `Command { std: "docker" "start" "-a" "fe2557ea0fdf97a82e8570f98cb073794081f106e41b8e723deb3fadf23e47aa", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sp_log2-7b7ad78d9a37b30b)
[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 sp_log2
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/loggers/comlog.rs - loggers::comlog::CombinedLogger::init (line 23) ... FAILED
[INFO] [stdout] test src/loggers/writelog.rs - loggers::writelog::WriteLogger<W>::new (line 44) ... FAILED
[INFO] [stdout] test src/loggers/comlog.rs - loggers::comlog::CombinedLogger::new (line 53) ... FAILED
[INFO] [stdout] test src/loggers/splog.rs - loggers::splog::SimpleLogger::init (line 23) ... ok
[INFO] [stdout] test src/loggers/termlog.rs - loggers::termlog::TermLogger::init (line 47) ... ok
[INFO] [stdout] test src/config.rs - config::ConfigBuilder::set_time_format_custom (line 263) ... ok
[INFO] [stdout] test src/loggers/splog.rs - loggers::splog::SimpleLogger::new (line 43) ... ok
[INFO] [stdout] test src/lib.rs - SharedLogger::level (line 21) ... ok
[INFO] [stdout] test src/loggers/writelog.rs - loggers::writelog::WriteLogger<W>::init (line 23) ... FAILED
[INFO] [stdout] test src/lib.rs - SharedLogger::config (line 37) ... ok
[INFO] [stdout] test src/loggers/termlog.rs - loggers::termlog::TermLogger::new (line 81) ... ok
[INFO] [stdout] test src/loggers/filelog.rs - loggers::filelog::FileLogger::init (line 30) ... FAILED
[INFO] [stdout] test src/loggers/filelog.rs - loggers::filelog::FileLogger::new (line 85) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/loggers/comlog.rs - loggers::comlog::CombinedLogger::init (line 23) stdout ----
[INFO] [stdout] error: expected `;`, found keyword `use`
[INFO] [stdout]  --> src/loggers/comlog.rs:24:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate sp_log2
[INFO] [stdout]   |                     ^ help: add `;` here
[INFO] [stdout] 2 | use sp_log2:*;
[INFO] [stdout]   | --- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error: expected `::`, found `:`
[INFO] [stdout]  --> src/loggers/comlog.rs:25:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use sp_log2:*;
[INFO] [stdout]   |            ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: import paths are delimited using `::`
[INFO] [stdout] help: use double colon
[INFO] [stdout]   |
[INFO] [stdout] 2 | use sp_log2::*;
[INFO] [stdout]   |             +
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found `*`
[INFO] [stdout]  --> src/loggers/comlog.rs:25:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use sp_log2:*;
[INFO] [stdout]   |             ^ expected identifier
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/loggers/writelog.rs - loggers::writelog::WriteLogger<W>::new (line 44) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `simplelog`
[INFO] [stdout]  --> src/loggers/writelog.rs:45:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate simplelog;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `WriteLogger`
[INFO] [stdout]  --> src/loggers/writelog.rs:49:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | let file_logger = WriteLogger::new(LevelFilter::Info, Config::default(), File::create("my_rust_bin.log").unwrap());
[INFO] [stdout]   |                   ^^^^^^^^^^^ use of undeclared type `WriteLogger`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 3 + use sp_log2::WriteLogger;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LevelFilter`
[INFO] [stdout]  --> src/loggers/writelog.rs:49:36
[INFO] [stdout]   |
[INFO] [stdout] 6 | let file_logger = WriteLogger::new(LevelFilter::Info, Config::default(), File::create("my_rust_bin.log").unwrap());
[INFO] [stdout]   |                                    ^^^^^^^^^^^ use of undeclared type `LevelFilter`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these enums
[INFO] [stdout]   |
[INFO] [stdout] 3 + use log::LevelFilter;
[INFO] [stdout]   |
[INFO] [stdout] 3 + use sp_log2::LevelFilter;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Config`
[INFO] [stdout]  --> src/loggers/writelog.rs:49:55
[INFO] [stdout]   |
[INFO] [stdout] 6 | let file_logger = WriteLogger::new(LevelFilter::Info, Config::default(), File::create("my_rust_bin.log").unwrap());
[INFO] [stdout]   |                                                       ^^^^^^ use of undeclared type `Config`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 3 + use sp_log2::Config;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0463.
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/loggers/comlog.rs - loggers::comlog::CombinedLogger::new (line 53) stdout ----
[INFO] [stdout] error: expected `;`, found keyword `use`
[INFO] [stdout]  --> src/loggers/comlog.rs:54:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate sp_log2
[INFO] [stdout]   |                     ^ help: add `;` here
[INFO] [stdout] 2 | use sp_log2:*;
[INFO] [stdout]   | --- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error: expected `::`, found `:`
[INFO] [stdout]  --> src/loggers/comlog.rs:55:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use sp_log2:*;
[INFO] [stdout]   |            ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: import paths are delimited using `::`
[INFO] [stdout] help: use double colon
[INFO] [stdout]   |
[INFO] [stdout] 2 | use sp_log2::*;
[INFO] [stdout]   |             +
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found `*`
[INFO] [stdout]  --> src/loggers/comlog.rs:55:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use sp_log2:*;
[INFO] [stdout]   |             ^ expected identifier
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/loggers/writelog.rs - loggers::writelog::WriteLogger<W>::init (line 23) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `simplelog`
[INFO] [stdout]  --> src/loggers/writelog.rs:24:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate simplelog;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `WriteLogger`
[INFO] [stdout]  --> src/loggers/writelog.rs:28:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | let _ = WriteLogger::init(LevelFilter::Info, Config::default(), File::create("my_rust_bin.log").unwrap());
[INFO] [stdout]   |         ^^^^^^^^^^^ use of undeclared type `WriteLogger`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 3 + use sp_log2::WriteLogger;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LevelFilter`
[INFO] [stdout]  --> src/loggers/writelog.rs:28:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | let _ = WriteLogger::init(LevelFilter::Info, Config::default(), File::create("my_rust_bin.log").unwrap());
[INFO] [stdout]   |                           ^^^^^^^^^^^ use of undeclared type `LevelFilter`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these enums
[INFO] [stdout]   |
[INFO] [stdout] 3 + use log::LevelFilter;
[INFO] [stdout]   |
[INFO] [stdout] 3 + use sp_log2::LevelFilter;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Config`
[INFO] [stdout]  --> src/loggers/writelog.rs:28:46
[INFO] [stdout]   |
[INFO] [stdout] 6 | let _ = WriteLogger::init(LevelFilter::Info, Config::default(), File::create("my_rust_bin.log").unwrap());
[INFO] [stdout]   |                                              ^^^^^^ use of undeclared type `Config`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 3 + use sp_log2::Config;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0463.
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/loggers/filelog.rs - loggers::filelog::FileLogger::init (line 30) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Failed to remove existing backup file my_rust_bin.log.bak: Read-only file system (os error 30)
[INFO] [stdout] 
[INFO] [stdout] thread 'main' panicked at src/loggers/filelog.rs:116:14:
[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:     0x5f3e306cb102 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5f3e306cb102 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5f3e306cb102 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5f3e306cb102 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5f3e306e9463 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5f3e306e9463 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x5f3e306c8b83 - std::io::default_write_fmt::h1470b6bb31d733fd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5f3e306c8b83 - std::io::Write::write_fmt::hd8146ab3991543d1
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5f3e306caf52 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5f3e306cc486 - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5f3e306cc289 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:327:9
[INFO] [stdout]   11:     0x5f3e306ccd52 - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:833:13
[INFO] [stdout]   12:     0x5f3e306ccbea - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:706:13
[INFO] [stdout]   13:     0x5f3e306cb5f9 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   14:     0x5f3e306cc87d - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   15:     0x5f3e306e86a0 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stdout]   16:     0x5f3e306e8a16 - core::result::unwrap_failed::h31c9775ec1a50121
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:1761:5
[INFO] [stdout]   17:     0x5f3e30692082 - core::result::Result<T,E>::unwrap::h2a54553fe48fa524
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:1167:23
[INFO] [stdout]   18:     0x5f3e30692082 - sp_log2::loggers::filelog::FileLogger::new::h5dc1bdbd853c9fec
[INFO] [stdout]                                at /opt/rustwide/workdir/src/loggers/filelog.rs:116:14
[INFO] [stdout]   19:     0x5f3e30691ce1 - sp_log2::loggers::filelog::FileLogger::init::ha5cd6f9131e004db
[INFO] [stdout]                                at /opt/rustwide/workdir/src/loggers/filelog.rs:44:26
[INFO] [stdout]   20:     0x5f3e306915ba - rust_out::main::h707a703e23e8b691
[INFO] [stdout]   21:     0x5f3e306911b3 - core::ops::function::FnOnce::call_once::hacedfcda517d60ac
[INFO] [stdout]   22:     0x5f3e30691156 - std::sys::backtrace::__rust_begin_short_backtrace::h4237a9aceaf0c727
[INFO] [stdout]   23:     0x5f3e30691139 - std::rt::lang_start::{{closure}}::hd68394c0f7c71761
[INFO] [stdout]   24:     0x5f3e306c4e70 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h106557a9d245eb10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:284:21
[INFO] [stdout]   25:     0x5f3e306c4e70 - std::panicking::catch_unwind::do_call::h18100d9574045a86
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   26:     0x5f3e306c4e70 - std::panicking::catch_unwind::hf9f86a2471d520c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   27:     0x5f3e306c4e70 - std::panic::catch_unwind::h410688ae8e8348a9
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   28:     0x5f3e306c4e70 - std::rt::lang_start_internal::{{closure}}::h42fee7344f1a80c6
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/rt.rs:175:24
[INFO] [stdout]   29:     0x5f3e306c4e70 - std::panicking::catch_unwind::do_call::h62b4ab9c433ebcfb
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   30:     0x5f3e306c4e70 - std::panicking::catch_unwind::h61ceb8228d4a4310
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   31:     0x5f3e306c4e70 - std::panic::catch_unwind::hf4a60a68b20bb306
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x5f3e306c4e70 - std::rt::lang_start_internal::h3478bd2aa4cc9cb2
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/rt.rs:171:5
[INFO] [stdout]   33:     0x5f3e30691121 - std::rt::lang_start::h323b15ce03982075
[INFO] [stdout]   34:     0x5f3e30691615 - main
[INFO] [stdout]   35:     0x729c9ccc71ca - <unknown>
[INFO] [stdout]   36:     0x729c9ccc728b - __libc_start_main
[INFO] [stdout]   37:     0x5f3e30691035 - _start
[INFO] [stdout]   38:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/loggers/filelog.rs - loggers::filelog::FileLogger::new (line 85) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Failed to remove existing backup file my_rust_bin.log.bak: Read-only file system (os error 30)
[INFO] [stdout] 
[INFO] [stdout] thread 'main' panicked at src/loggers/filelog.rs:116:14:
[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:     0x5de13c808b42 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5de13c808b42 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5de13c808b42 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5de13c808b42 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5de13c8249c3 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5de13c8249c3 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x5de13c8067b3 - std::io::default_write_fmt::h1470b6bb31d733fd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5de13c8067b3 - std::io::Write::write_fmt::hd8146ab3991543d1
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5de13c808992 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5de13c809ab6 - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5de13c8098b9 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:327:9
[INFO] [stdout]   11:     0x5de13c80a382 - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:833:13
[INFO] [stdout]   12:     0x5de13c80a21a - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:706:13
[INFO] [stdout]   13:     0x5de13c809039 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   14:     0x5de13c809ead - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   15:     0x5de13c823cb0 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stdout]   16:     0x5de13c824026 - core::result::unwrap_failed::h31c9775ec1a50121
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:1761:5
[INFO] [stdout]   17:     0x5de13c7e73a2 - core::result::Result<T,E>::unwrap::h2a54553fe48fa524
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:1167:23
[INFO] [stdout]   18:     0x5de13c7e73a2 - sp_log2::loggers::filelog::FileLogger::new::h5dc1bdbd853c9fec
[INFO] [stdout]                                at /opt/rustwide/workdir/src/loggers/filelog.rs:116:14
[INFO] [stdout]   19:     0x5de13c7e6caa - rust_out::main::h707a703e23e8b691
[INFO] [stdout]   20:     0x5de13c7e5c63 - core::ops::function::FnOnce::call_once::hacedfcda517d60ac
[INFO] [stdout]   21:     0x5de13c7e5ba6 - std::sys::backtrace::__rust_begin_short_backtrace::h4237a9aceaf0c727
[INFO] [stdout]   22:     0x5de13c7e5ae9 - std::rt::lang_start::{{closure}}::hd68394c0f7c71761
[INFO] [stdout]   23:     0x5de13c803cd0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h106557a9d245eb10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:284:21
[INFO] [stdout]   24:     0x5de13c803cd0 - std::panicking::catch_unwind::do_call::h18100d9574045a86
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   25:     0x5de13c803cd0 - std::panicking::catch_unwind::hf9f86a2471d520c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   26:     0x5de13c803cd0 - std::panic::catch_unwind::h410688ae8e8348a9
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   27:     0x5de13c803cd0 - std::rt::lang_start_internal::{{closure}}::h42fee7344f1a80c6
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/rt.rs:175:24
[INFO] [stdout]   28:     0x5de13c803cd0 - std::panicking::catch_unwind::do_call::h62b4ab9c433ebcfb
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x5de13c803cd0 - std::panicking::catch_unwind::h61ceb8228d4a4310
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x5de13c803cd0 - std::panic::catch_unwind::hf4a60a68b20bb306
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5de13c803cd0 - std::rt::lang_start_internal::h3478bd2aa4cc9cb2
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/rt.rs:171:5
[INFO] [stdout]   32:     0x5de13c7e5ad1 - std::rt::lang_start::h323b15ce03982075
[INFO] [stdout]   33:     0x5de13c7e6d25 - main
[INFO] [stdout]   34:     0x7d1f500931ca - <unknown>
[INFO] [stdout]   35:     0x7d1f5009328b - __libc_start_main
[INFO] [stdout]   36:     0x5de13c7e4f45 - _start
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/loggers/comlog.rs - loggers::comlog::CombinedLogger::init (line 23)
[INFO] [stdout]     src/loggers/comlog.rs - loggers::comlog::CombinedLogger::new (line 53)
[INFO] [stdout]     src/loggers/filelog.rs - loggers::filelog::FileLogger::init (line 30)
[INFO] [stdout]     src/loggers/filelog.rs - loggers::filelog::FileLogger::new (line 85)
[INFO] [stdout]     src/loggers/writelog.rs - loggers::writelog::WriteLogger<W>::init (line 23)
[INFO] [stdout]     src/loggers/writelog.rs - loggers::writelog::WriteLogger<W>::new (line 44)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 7 passed; 6 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.88s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "fe2557ea0fdf97a82e8570f98cb073794081f106e41b8e723deb3fadf23e47aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe2557ea0fdf97a82e8570f98cb073794081f106e41b8e723deb3fadf23e47aa", kill_on_drop: false }`
[INFO] [stdout] fe2557ea0fdf97a82e8570f98cb073794081f106e41b8e723deb3fadf23e47aa
