Dec 05 16:16:17.024 INFO checking bflog-0.3.1 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 16:16:17.024 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-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 05 16:16:17.233 INFO [stdout] b018915ca8b5b7c3d1b534afc7b2003b06e6f8afced7a76aa626151d6d32555b
Dec 05 16:16:17.236 INFO running `"docker" "start" "-a" "b018915ca8b5b7c3d1b534afc7b2003b06e6f8afced7a76aa626151d6d32555b"`
Dec 05 16:16:18.608 INFO [stderr] usermod: no changes
Dec 05 16:16:18.771 INFO [stderr]     Checking bflog v0.3.1 (/source)
Dec 05 16:16:23.691 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 16:16:23.691 INFO [stderr]    --> src/output.rs:176:7
Dec 05 16:16:23.691 INFO [stderr]     |
Dec 05 16:16:23.691 INFO [stderr] 176 |       write!(writer, " {}:", key);
Dec 05 16:16:23.691 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:16:23.691 INFO [stderr]     |
Dec 05 16:16:23.691 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 16:16:23.692 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 16:16:23.692 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 05 16:16:23.692 INFO [stderr] 
Dec 05 16:16:23.692 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 16:16:23.692 INFO [stderr]    --> src/output.rs:181:7
Dec 05 16:16:23.692 INFO [stderr]     |
Dec 05 16:16:23.692 INFO [stderr] 181 |       write!(writer, " {}{}:{}", KEY_COLOR, key, VALUE_COLOR);
Dec 05 16:16:23.692 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:16:23.692 INFO [stderr]     |
Dec 05 16:16:23.692 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 16:16:23.692 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 05 16:16:23.692 INFO [stderr] 
Dec 05 16:16:23.693 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 16:16:23.693 INFO [stderr]    --> src/output.rs:186:7
Dec 05 16:16:23.693 INFO [stderr]     |
Dec 05 16:16:23.693 INFO [stderr] 186 |       write!(writer, ",{:?}:", key);
Dec 05 16:16:23.693 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:16:23.693 INFO [stderr]     |
Dec 05 16:16:23.693 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 16:16:23.693 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 05 16:16:23.693 INFO [stderr] 
Dec 05 16:16:23.693 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 16:16:23.693 INFO [stderr]    --> src/output.rs:196:7
Dec 05 16:16:23.693 INFO [stderr]     |
Dec 05 16:16:23.693 INFO [stderr] 196 |       write!(writer, "\n{}: ", key);
Dec 05 16:16:23.693 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:16:23.693 INFO [stderr]     |
Dec 05 16:16:23.695 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 16:16:23.695 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 05 16:16:23.695 INFO [stderr] 
Dec 05 16:16:23.695 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 16:16:23.695 INFO [stderr]    --> src/output.rs:201:7
Dec 05 16:16:23.695 INFO [stderr]     |
Dec 05 16:16:23.695 INFO [stderr] 201 |       write!(writer, "\n{}{}:{} ", KEY_COLOR, key, Color::Reset);
Dec 05 16:16:23.695 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:16:23.695 INFO [stderr]     |
Dec 05 16:16:23.695 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 16:16:23.695 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 05 16:16:23.695 INFO [stderr] 
Dec 05 16:16:23.695 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 16:16:23.695 INFO [stderr]    --> src/output.rs:206:7
Dec 05 16:16:23.695 INFO [stderr]     |
Dec 05 16:16:23.695 INFO [stderr] 206 |       write!(writer, ",{:?}:", key);
Dec 05 16:16:23.695 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:16:23.695 INFO [stderr]     |
Dec 05 16:16:23.695 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 16:16:23.695 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 05 16:16:23.695 INFO [stderr] 
Dec 05 16:16:23.751 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 16:16:23.751 INFO [stderr]    --> src/output.rs:176:7
Dec 05 16:16:23.751 INFO [stderr]     |
Dec 05 16:16:23.752 INFO [stderr] 176 |       write!(writer, " {}:", key);
Dec 05 16:16:23.752 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:16:23.752 INFO [stderr]     |
Dec 05 16:16:23.752 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 16:16:23.752 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 16:16:23.752 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 05 16:16:23.752 INFO [stderr] 
Dec 05 16:16:23.752 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 16:16:23.752 INFO [stderr]    --> src/output.rs:181:7
Dec 05 16:16:23.752 INFO [stderr]     |
Dec 05 16:16:23.752 INFO [stderr] 181 |       write!(writer, " {}{}:{}", KEY_COLOR, key, VALUE_COLOR);
Dec 05 16:16:23.752 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:16:23.752 INFO [stderr]     |
Dec 05 16:16:23.752 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 16:16:23.752 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 05 16:16:23.752 INFO [stderr] 
Dec 05 16:16:23.753 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 16:16:23.753 INFO [stderr]    --> src/output.rs:186:7
Dec 05 16:16:23.753 INFO [stderr]     |
Dec 05 16:16:23.753 INFO [stderr] 186 |       write!(writer, ",{:?}:", key);
Dec 05 16:16:23.753 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:16:23.753 INFO [stderr]     |
Dec 05 16:16:23.753 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 16:16:23.753 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 05 16:16:23.753 INFO [stderr] 
Dec 05 16:16:23.753 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 16:16:23.753 INFO [stderr]    --> src/output.rs:196:7
Dec 05 16:16:23.753 INFO [stderr]     |
Dec 05 16:16:23.753 INFO [stderr] 196 |       write!(writer, "\n{}: ", key);
Dec 05 16:16:23.753 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:16:23.753 INFO [stderr]     |
Dec 05 16:16:23.753 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 16:16:23.753 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 05 16:16:23.753 INFO [stderr] 
Dec 05 16:16:23.753 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 16:16:23.753 INFO [stderr]    --> src/output.rs:201:7
Dec 05 16:16:23.753 INFO [stderr]     |
Dec 05 16:16:23.753 INFO [stderr] 201 |       write!(writer, "\n{}{}:{} ", KEY_COLOR, key, Color::Reset);
Dec 05 16:16:23.753 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:16:23.753 INFO [stderr]     |
Dec 05 16:16:23.753 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 16:16:23.753 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 05 16:16:23.753 INFO [stderr] 
Dec 05 16:16:23.753 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 16:16:23.753 INFO [stderr]    --> src/output.rs:206:7
Dec 05 16:16:23.753 INFO [stderr]     |
Dec 05 16:16:23.753 INFO [stderr] 206 |       write!(writer, ",{:?}:", key);
Dec 05 16:16:23.753 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:16:23.753 INFO [stderr]     |
Dec 05 16:16:23.753 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 16:16:23.753 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 05 16:16:23.753 INFO [stderr] 
Dec 05 16:16:23.789 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.15s
Dec 05 16:16:23.796 INFO [stderr] su: No module specific data is present
Dec 05 16:16:24.144 INFO running `"docker" "inspect" "b018915ca8b5b7c3d1b534afc7b2003b06e6f8afced7a76aa626151d6d32555b"`
Dec 05 16:16:24.300 INFO running `"docker" "rm" "-f" "b018915ca8b5b7c3d1b534afc7b2003b06e6f8afced7a76aa626151d6d32555b"`
Dec 05 16:16:24.443 INFO [stdout] b018915ca8b5b7c3d1b534afc7b2003b06e6f8afced7a76aa626151d6d32555b