Dec 05 16:16:16.479 INFO checking bflog-0.3.1 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 16:16:16.479 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 16:16:16.776 INFO [stdout] 848393b5b31749fb204dd98597c9080c47457722f47a0f7d24ffa1079e49cb92
Dec 05 16:16:16.778 INFO running `"docker" "start" "-a" "848393b5b31749fb204dd98597c9080c47457722f47a0f7d24ffa1079e49cb92"`
Dec 05 16:16:17.430 INFO [stderr] usermod: no changes
Dec 05 16:16:17.519 INFO [stderr]     Checking bflog v0.3.1 (/source)
Dec 05 16:16:21.239 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 16:16:21.239 INFO [stderr]    --> src/output.rs:176:7
Dec 05 16:16:21.239 INFO [stderr]     |
Dec 05 16:16:21.239 INFO [stderr] 176 |       write!(writer, " {}:", key);
Dec 05 16:16:21.239 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:16:21.239 INFO [stderr]     |
Dec 05 16:16:21.239 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 16:16:21.239 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 16:16:21.239 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 16:16:21.239 INFO [stderr] 
Dec 05 16:16:21.239 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 16:16:21.239 INFO [stderr]    --> src/output.rs:181:7
Dec 05 16:16:21.239 INFO [stderr]     |
Dec 05 16:16:21.239 INFO [stderr] 181 |       write!(writer, " {}{}:{}", KEY_COLOR, key, VALUE_COLOR);
Dec 05 16:16:21.239 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:16:21.239 INFO [stderr]     |
Dec 05 16:16:21.239 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 16:16:21.239 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 16:16:21.239 INFO [stderr] 
Dec 05 16:16:21.239 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 16:16:21.239 INFO [stderr]    --> src/output.rs:186:7
Dec 05 16:16:21.239 INFO [stderr]     |
Dec 05 16:16:21.239 INFO [stderr] 186 |       write!(writer, ",{:?}:", key);
Dec 05 16:16:21.239 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:16:21.239 INFO [stderr]     |
Dec 05 16:16:21.239 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 16:16:21.239 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 16:16:21.239 INFO [stderr] 
Dec 05 16:16:21.239 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 16:16:21.239 INFO [stderr]    --> src/output.rs:196:7
Dec 05 16:16:21.239 INFO [stderr]     |
Dec 05 16:16:21.239 INFO [stderr] 196 |       write!(writer, "\n{}: ", key);
Dec 05 16:16:21.239 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:16:21.239 INFO [stderr]     |
Dec 05 16:16:21.239 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 16:16:21.239 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 16:16:21.239 INFO [stderr] 
Dec 05 16:16:21.239 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 16:16:21.239 INFO [stderr]    --> src/output.rs:201:7
Dec 05 16:16:21.239 INFO [stderr]     |
Dec 05 16:16:21.239 INFO [stderr] 201 |       write!(writer, "\n{}{}:{} ", KEY_COLOR, key, Color::Reset);
Dec 05 16:16:21.239 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:16:21.239 INFO [stderr]     |
Dec 05 16:16:21.240 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 16:16:21.240 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 16:16:21.240 INFO [stderr] 
Dec 05 16:16:21.240 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 16:16:21.240 INFO [stderr]    --> src/output.rs:206:7
Dec 05 16:16:21.240 INFO [stderr]     |
Dec 05 16:16:21.240 INFO [stderr] 206 |       write!(writer, ",{:?}:", key);
Dec 05 16:16:21.240 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:16:21.240 INFO [stderr]     |
Dec 05 16:16:21.240 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 16:16:21.240 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 16:16:21.240 INFO [stderr] 
Dec 05 16:16:21.543 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 16:16:21.543 INFO [stderr]    --> src/output.rs:176:7
Dec 05 16:16:21.543 INFO [stderr]     |
Dec 05 16:16:21.543 INFO [stderr] 176 |       write!(writer, " {}:", key);
Dec 05 16:16:21.543 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:16:21.543 INFO [stderr]     |
Dec 05 16:16:21.543 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 16:16:21.543 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 16:16:21.543 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 16:16:21.543 INFO [stderr] 
Dec 05 16:16:21.543 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 16:16:21.543 INFO [stderr]    --> src/output.rs:181:7
Dec 05 16:16:21.543 INFO [stderr]     |
Dec 05 16:16:21.543 INFO [stderr] 181 |       write!(writer, " {}{}:{}", KEY_COLOR, key, VALUE_COLOR);
Dec 05 16:16:21.543 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:16:21.543 INFO [stderr]     |
Dec 05 16:16:21.543 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 16:16:21.543 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 16:16:21.543 INFO [stderr] 
Dec 05 16:16:21.543 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 16:16:21.543 INFO [stderr]    --> src/output.rs:186:7
Dec 05 16:16:21.543 INFO [stderr]     |
Dec 05 16:16:21.543 INFO [stderr] 186 |       write!(writer, ",{:?}:", key);
Dec 05 16:16:21.543 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:16:21.543 INFO [stderr]     |
Dec 05 16:16:21.543 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 16:16:21.543 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 16:16:21.543 INFO [stderr] 
Dec 05 16:16:21.543 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 16:16:21.543 INFO [stderr]    --> src/output.rs:196:7
Dec 05 16:16:21.543 INFO [stderr]     |
Dec 05 16:16:21.543 INFO [stderr] 196 |       write!(writer, "\n{}: ", key);
Dec 05 16:16:21.543 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:16:21.543 INFO [stderr]     |
Dec 05 16:16:21.543 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 16:16:21.543 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 16:16:21.543 INFO [stderr] 
Dec 05 16:16:21.543 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 16:16:21.543 INFO [stderr]    --> src/output.rs:201:7
Dec 05 16:16:21.543 INFO [stderr]     |
Dec 05 16:16:21.543 INFO [stderr] 201 |       write!(writer, "\n{}{}:{} ", KEY_COLOR, key, Color::Reset);
Dec 05 16:16:21.543 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:16:21.543 INFO [stderr]     |
Dec 05 16:16:21.543 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 16:16:21.543 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 16:16:21.544 INFO [stderr] 
Dec 05 16:16:21.544 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 16:16:21.544 INFO [stderr]    --> src/output.rs:206:7
Dec 05 16:16:21.544 INFO [stderr]     |
Dec 05 16:16:21.544 INFO [stderr] 206 |       write!(writer, ",{:?}:", key);
Dec 05 16:16:21.544 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:16:21.544 INFO [stderr]     |
Dec 05 16:16:21.544 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 16:16:21.544 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 16:16:21.544 INFO [stderr] 
Dec 05 16:16:21.619 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.16s
Dec 05 16:16:21.622 INFO [stderr] su: No module specific data is present
Dec 05 16:16:22.554 INFO running `"docker" "inspect" "848393b5b31749fb204dd98597c9080c47457722f47a0f7d24ffa1079e49cb92"`
Dec 05 16:16:22.864 INFO running `"docker" "rm" "-f" "848393b5b31749fb204dd98597c9080c47457722f47a0f7d24ffa1079e49cb92"`
Dec 05 16:16:23.307 INFO [stdout] 848393b5b31749fb204dd98597c9080c47457722f47a0f7d24ffa1079e49cb92