Dec 15 21:24:11.997 INFO testing bflog-0.3.1 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 21:24:11.997 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 15 21:24:12.301 INFO [stdout] 82262098315f521311f724b1ca30130e91b1d0c88ae0b7b9d3064e9eb34ad1ca
Dec 15 21:24:12.307 INFO running `"docker" "start" "-a" "82262098315f521311f724b1ca30130e91b1d0c88ae0b7b9d3064e9eb34ad1ca"`
Dec 15 21:24:12.719 INFO [stderr] usermod: no changes
Dec 15 21:24:12.796 INFO [stderr]    Compiling bflog v0.3.1 (/source)
Dec 15 21:24:15.424 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 21:24:15.425 INFO [stderr]    --> src/output.rs:176:7
Dec 15 21:24:15.425 INFO [stderr]     |
Dec 15 21:24:15.425 INFO [stderr] 176 |       write!(writer, " {}:", key);
Dec 15 21:24:15.425 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 21:24:15.425 INFO [stderr]     |
Dec 15 21:24:15.425 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 15 21:24:15.425 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 21:24:15.425 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 15 21:24:15.425 INFO [stderr] 
Dec 15 21:24:15.425 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 21:24:15.425 INFO [stderr]    --> src/output.rs:181:7
Dec 15 21:24:15.425 INFO [stderr]     |
Dec 15 21:24:15.425 INFO [stderr] 181 |       write!(writer, " {}{}:{}", KEY_COLOR, key, VALUE_COLOR);
Dec 15 21:24:15.425 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 21:24:15.425 INFO [stderr]     |
Dec 15 21:24:15.425 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 21:24:15.425 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 15 21:24:15.425 INFO [stderr] 
Dec 15 21:24:15.425 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 21:24:15.425 INFO [stderr]    --> src/output.rs:186:7
Dec 15 21:24:15.425 INFO [stderr]     |
Dec 15 21:24:15.425 INFO [stderr] 186 |       write!(writer, ",{:?}:", key);
Dec 15 21:24:15.425 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 21:24:15.425 INFO [stderr]     |
Dec 15 21:24:15.425 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 21:24:15.425 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 15 21:24:15.425 INFO [stderr] 
Dec 15 21:24:15.425 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 21:24:15.425 INFO [stderr]    --> src/output.rs:196:7
Dec 15 21:24:15.425 INFO [stderr]     |
Dec 15 21:24:15.425 INFO [stderr] 196 |       write!(writer, "\n{}: ", key);
Dec 15 21:24:15.425 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 21:24:15.425 INFO [stderr]     |
Dec 15 21:24:15.425 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 21:24:15.425 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 15 21:24:15.425 INFO [stderr] 
Dec 15 21:24:15.425 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 21:24:15.425 INFO [stderr]    --> src/output.rs:201:7
Dec 15 21:24:15.425 INFO [stderr]     |
Dec 15 21:24:15.425 INFO [stderr] 201 |       write!(writer, "\n{}{}:{} ", KEY_COLOR, key, Color::Reset);
Dec 15 21:24:15.425 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 21:24:15.425 INFO [stderr]     |
Dec 15 21:24:15.425 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 21:24:15.425 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 15 21:24:15.425 INFO [stderr] 
Dec 15 21:24:15.425 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 21:24:15.425 INFO [stderr]    --> src/output.rs:206:7
Dec 15 21:24:15.425 INFO [stderr]     |
Dec 15 21:24:15.425 INFO [stderr] 206 |       write!(writer, ",{:?}:", key);
Dec 15 21:24:15.425 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 21:24:15.425 INFO [stderr]     |
Dec 15 21:24:15.425 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 21:24:15.425 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 15 21:24:15.425 INFO [stderr] 
Dec 15 21:24:16.036 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.30s
Dec 15 21:24:16.046 INFO [stderr] su: No module specific data is present
Dec 15 21:24:16.362 INFO running `"docker" "inspect" "82262098315f521311f724b1ca30130e91b1d0c88ae0b7b9d3064e9eb34ad1ca"`
Dec 15 21:24:16.460 INFO running `"docker" "rm" "-f" "82262098315f521311f724b1ca30130e91b1d0c88ae0b7b9d3064e9eb34ad1ca"`
Dec 15 21:24:16.607 INFO [stdout] 82262098315f521311f724b1ca30130e91b1d0c88ae0b7b9d3064e9eb34ad1ca
Dec 15 21:24:16.612 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 15 21:24:16.828 INFO [stdout] 6b09be7e9a5cd34c17f2f4587b733e5acbef79f9f9d0f12975f8bcac21883727
Dec 15 21:24:16.832 INFO running `"docker" "start" "-a" "6b09be7e9a5cd34c17f2f4587b733e5acbef79f9f9d0f12975f8bcac21883727"`
Dec 15 21:24:17.371 INFO [stderr] usermod: no changes
Dec 15 21:24:17.448 INFO [stderr]    Compiling bflog v0.3.1 (/source)
Dec 15 21:24:20.024 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 21:24:20.024 INFO [stderr]    --> src/output.rs:176:7
Dec 15 21:24:20.024 INFO [stderr]     |
Dec 15 21:24:20.024 INFO [stderr] 176 |       write!(writer, " {}:", key);
Dec 15 21:24:20.024 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 21:24:20.024 INFO [stderr]     |
Dec 15 21:24:20.024 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 15 21:24:20.024 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 21:24:20.024 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 15 21:24:20.024 INFO [stderr] 
Dec 15 21:24:20.024 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 21:24:20.024 INFO [stderr]    --> src/output.rs:181:7
Dec 15 21:24:20.024 INFO [stderr]     |
Dec 15 21:24:20.024 INFO [stderr] 181 |       write!(writer, " {}{}:{}", KEY_COLOR, key, VALUE_COLOR);
Dec 15 21:24:20.024 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 21:24:20.024 INFO [stderr]     |
Dec 15 21:24:20.024 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 21:24:20.024 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 15 21:24:20.024 INFO [stderr] 
Dec 15 21:24:20.024 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 21:24:20.024 INFO [stderr]    --> src/output.rs:186:7
Dec 15 21:24:20.024 INFO [stderr]     |
Dec 15 21:24:20.024 INFO [stderr] 186 |       write!(writer, ",{:?}:", key);
Dec 15 21:24:20.024 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 21:24:20.024 INFO [stderr]     |
Dec 15 21:24:20.024 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 21:24:20.024 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 15 21:24:20.024 INFO [stderr] 
Dec 15 21:24:20.024 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 21:24:20.024 INFO [stderr]    --> src/output.rs:196:7
Dec 15 21:24:20.024 INFO [stderr]     |
Dec 15 21:24:20.024 INFO [stderr] 196 |       write!(writer, "\n{}: ", key);
Dec 15 21:24:20.024 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 21:24:20.024 INFO [stderr]     |
Dec 15 21:24:20.024 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 21:24:20.024 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 15 21:24:20.024 INFO [stderr] 
Dec 15 21:24:20.024 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 21:24:20.024 INFO [stderr]    --> src/output.rs:201:7
Dec 15 21:24:20.024 INFO [stderr]     |
Dec 15 21:24:20.024 INFO [stderr] 201 |       write!(writer, "\n{}{}:{} ", KEY_COLOR, key, Color::Reset);
Dec 15 21:24:20.024 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 21:24:20.024 INFO [stderr]     |
Dec 15 21:24:20.024 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 21:24:20.024 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 15 21:24:20.024 INFO [stderr] 
Dec 15 21:24:20.024 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 21:24:20.024 INFO [stderr]    --> src/output.rs:206:7
Dec 15 21:24:20.024 INFO [stderr]     |
Dec 15 21:24:20.024 INFO [stderr] 206 |       write!(writer, ",{:?}:", key);
Dec 15 21:24:20.024 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 21:24:20.024 INFO [stderr]     |
Dec 15 21:24:20.024 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 21:24:20.024 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 15 21:24:20.024 INFO [stderr] 
Dec 15 21:24:20.317 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.92s
Dec 15 21:24:20.322 INFO [stderr] su: No module specific data is present
Dec 15 21:24:20.736 INFO running `"docker" "inspect" "6b09be7e9a5cd34c17f2f4587b733e5acbef79f9f9d0f12975f8bcac21883727"`
Dec 15 21:24:20.811 INFO running `"docker" "rm" "-f" "6b09be7e9a5cd34c17f2f4587b733e5acbef79f9f9d0f12975f8bcac21883727"`
Dec 15 21:24:20.923 INFO [stdout] 6b09be7e9a5cd34c17f2f4587b733e5acbef79f9f9d0f12975f8bcac21883727
Dec 15 21:24:20.926 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 15 21:24:21.094 INFO [stdout] cd855888031d7ca8181d4f270d9b08a0beefec47d741e0de304106b51bd9a3cd
Dec 15 21:24:21.099 INFO running `"docker" "start" "-a" "cd855888031d7ca8181d4f270d9b08a0beefec47d741e0de304106b51bd9a3cd"`
Dec 15 21:24:21.444 INFO [stderr] usermod: no changes
Dec 15 21:24:21.514 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
Dec 15 21:24:21.517 INFO [stderr]      Running /target/debug/deps/bflog-37edca2b16d17caf
Dec 15 21:24:21.519 INFO [stdout] 
Dec 15 21:24:21.519 INFO [stdout] running 0 tests
Dec 15 21:24:21.519 INFO [stdout] 
Dec 15 21:24:21.519 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 21:24:21.519 INFO [stdout] 
Dec 15 21:24:21.520 INFO [stderr]    Doc-tests bflog
Dec 15 21:24:26.004 INFO [stdout] 
Dec 15 21:24:26.004 INFO [stdout] running 0 tests
Dec 15 21:24:26.004 INFO [stdout] 
Dec 15 21:24:26.004 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 21:24:26.004 INFO [stdout] 
Dec 15 21:24:26.014 INFO [stderr] su: No module specific data is present
Dec 15 21:24:26.304 INFO running `"docker" "inspect" "cd855888031d7ca8181d4f270d9b08a0beefec47d741e0de304106b51bd9a3cd"`
Dec 15 21:24:26.393 INFO running `"docker" "rm" "-f" "cd855888031d7ca8181d4f270d9b08a0beefec47d741e0de304106b51bd9a3cd"`
Dec 15 21:24:26.505 INFO [stdout] cd855888031d7ca8181d4f270d9b08a0beefec47d741e0de304106b51bd9a3cd