Dec 18 18:13:37.589 INFO checking bflog-0.3.1 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 18:13:37.589 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/bflog/0.3.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 18:13:37.801 INFO [stdout] cf79c3ebb15ee41f43b8026ed179bce2eda867aeadd260226f6ff4ceb2246789
Dec 18 18:13:37.808 INFO running `"docker" "start" "-a" "cf79c3ebb15ee41f43b8026ed179bce2eda867aeadd260226f6ff4ceb2246789"`
Dec 18 18:13:38.924 INFO [stderr]     Checking bflog v0.3.1 (/opt/crater/workdir)
Dec 18 18:13:39.894 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 18:13:39.894 INFO [stderr]    --> src/output.rs:176:7
Dec 18 18:13:39.894 INFO [stderr]     |
Dec 18 18:13:39.894 INFO [stderr] 176 |       write!(writer, " {}:", key);
Dec 18 18:13:39.894 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 18:13:39.894 INFO [stderr]     |
Dec 18 18:13:39.894 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 18:13:39.894 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 18:13:39.894 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 18 18:13:39.894 INFO [stderr] 
Dec 18 18:13:39.894 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 18:13:39.894 INFO [stderr]    --> src/output.rs:181:7
Dec 18 18:13:39.894 INFO [stderr]     |
Dec 18 18:13:39.894 INFO [stderr] 181 |       write!(writer, " {}{}:{}", KEY_COLOR, key, VALUE_COLOR);
Dec 18 18:13:39.894 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 18:13:39.894 INFO [stderr]     |
Dec 18 18:13:39.894 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 18:13:39.894 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 18 18:13:39.894 INFO [stderr] 
Dec 18 18:13:39.894 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 18:13:39.894 INFO [stderr]    --> src/output.rs:186:7
Dec 18 18:13:39.894 INFO [stderr]     |
Dec 18 18:13:39.894 INFO [stderr] 186 |       write!(writer, ",{:?}:", key);
Dec 18 18:13:39.894 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 18:13:39.894 INFO [stderr]     |
Dec 18 18:13:39.894 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 18:13:39.894 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 18 18:13:39.894 INFO [stderr] 
Dec 18 18:13:39.894 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 18:13:39.894 INFO [stderr]    --> src/output.rs:196:7
Dec 18 18:13:39.894 INFO [stderr]     |
Dec 18 18:13:39.894 INFO [stderr] 196 |       write!(writer, "\n{}: ", key);
Dec 18 18:13:39.894 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 18:13:39.894 INFO [stderr]     |
Dec 18 18:13:39.894 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 18:13:39.894 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 18 18:13:39.894 INFO [stderr] 
Dec 18 18:13:39.894 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 18:13:39.894 INFO [stderr]    --> src/output.rs:201:7
Dec 18 18:13:39.894 INFO [stderr]     |
Dec 18 18:13:39.894 INFO [stderr] 201 |       write!(writer, "\n{}{}:{} ", KEY_COLOR, key, Color::Reset);
Dec 18 18:13:39.894 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 18:13:39.894 INFO [stderr]     |
Dec 18 18:13:39.894 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 18:13:39.894 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 18 18:13:39.894 INFO [stderr] 
Dec 18 18:13:39.894 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 18:13:39.894 INFO [stderr]    --> src/output.rs:206:7
Dec 18 18:13:39.894 INFO [stderr]     |
Dec 18 18:13:39.894 INFO [stderr] 206 |       write!(writer, ",{:?}:", key);
Dec 18 18:13:39.894 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 18:13:39.894 INFO [stderr]     |
Dec 18 18:13:39.894 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 18:13:39.894 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 18 18:13:39.894 INFO [stderr] 
Dec 18 18:13:40.285 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 18:13:40.285 INFO [stderr]    --> src/output.rs:176:7
Dec 18 18:13:40.285 INFO [stderr]     |
Dec 18 18:13:40.285 INFO [stderr] 176 |       write!(writer, " {}:", key);
Dec 18 18:13:40.285 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 18:13:40.285 INFO [stderr]     |
Dec 18 18:13:40.285 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 18:13:40.285 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 18:13:40.285 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 18 18:13:40.285 INFO [stderr] 
Dec 18 18:13:40.285 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 18:13:40.285 INFO [stderr]    --> src/output.rs:181:7
Dec 18 18:13:40.285 INFO [stderr]     |
Dec 18 18:13:40.285 INFO [stderr] 181 |       write!(writer, " {}{}:{}", KEY_COLOR, key, VALUE_COLOR);
Dec 18 18:13:40.285 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 18:13:40.285 INFO [stderr]     |
Dec 18 18:13:40.285 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 18:13:40.285 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 18 18:13:40.285 INFO [stderr] 
Dec 18 18:13:40.285 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 18:13:40.285 INFO [stderr]    --> src/output.rs:186:7
Dec 18 18:13:40.285 INFO [stderr]     |
Dec 18 18:13:40.285 INFO [stderr] 186 |       write!(writer, ",{:?}:", key);
Dec 18 18:13:40.285 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 18:13:40.285 INFO [stderr]     |
Dec 18 18:13:40.285 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 18:13:40.285 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 18 18:13:40.285 INFO [stderr] 
Dec 18 18:13:40.285 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 18:13:40.285 INFO [stderr]    --> src/output.rs:196:7
Dec 18 18:13:40.285 INFO [stderr]     |
Dec 18 18:13:40.285 INFO [stderr] 196 |       write!(writer, "\n{}: ", key);
Dec 18 18:13:40.285 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 18:13:40.285 INFO [stderr]     |
Dec 18 18:13:40.285 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 18:13:40.285 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 18 18:13:40.285 INFO [stderr] 
Dec 18 18:13:40.285 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 18:13:40.285 INFO [stderr]    --> src/output.rs:201:7
Dec 18 18:13:40.285 INFO [stderr]     |
Dec 18 18:13:40.285 INFO [stderr] 201 |       write!(writer, "\n{}{}:{} ", KEY_COLOR, key, Color::Reset);
Dec 18 18:13:40.285 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 18:13:40.285 INFO [stderr]     |
Dec 18 18:13:40.285 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 18:13:40.285 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 18 18:13:40.285 INFO [stderr] 
Dec 18 18:13:40.285 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 18:13:40.285 INFO [stderr]    --> src/output.rs:206:7
Dec 18 18:13:40.285 INFO [stderr]     |
Dec 18 18:13:40.285 INFO [stderr] 206 |       write!(writer, ",{:?}:", key);
Dec 18 18:13:40.285 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 18:13:40.285 INFO [stderr]     |
Dec 18 18:13:40.285 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 18:13:40.285 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 18 18:13:40.285 INFO [stderr] 
Dec 18 18:13:40.315 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
Dec 18 18:13:40.826 INFO running `"docker" "inspect" "cf79c3ebb15ee41f43b8026ed179bce2eda867aeadd260226f6ff4ceb2246789"`
Dec 18 18:13:40.899 INFO running `"docker" "rm" "-f" "cf79c3ebb15ee41f43b8026ed179bce2eda867aeadd260226f6ff4ceb2246789"`
Dec 18 18:13:40.995 INFO [stdout] cf79c3ebb15ee41f43b8026ed179bce2eda867aeadd260226f6ff4ceb2246789