Nov 28 23:13:12.149 INFO checking jens-0.4.2 against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 23:13:12.150 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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"`
Nov 28 23:13:12.513 INFO [stdout] 592f8933083b636ce2ea2da9d260a189403b2d7673838f8d1816572b5420c924
Nov 28 23:13:12.518 INFO running `"docker" "start" "-a" "592f8933083b636ce2ea2da9d260a189403b2d7673838f8d1816572b5420c924"`
Nov 28 23:13:13.647 INFO [stderr] usermod: no changes
Nov 28 23:13:13.688 INFO [stderr]     Checking jens v0.4.2 (/source)
Nov 28 23:13:14.693 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 23:13:14.693 INFO [stderr]    --> src/block.rs:129:17
Nov 28 23:13:14.694 INFO [stderr]     |
Nov 28 23:13:14.694 INFO [stderr] 129 |                 write!(f, "\n{}", prefix);
Nov 28 23:13:14.694 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:13:14.694 INFO [stderr]     |
Nov 28 23:13:14.694 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 28 23:13:14.694 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 23:13:14.694 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)
Nov 28 23:13:14.694 INFO [stderr] 
Nov 28 23:13:14.888 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 23:13:14.888 INFO [stderr]    --> src/block.rs:129:17
Nov 28 23:13:14.889 INFO [stderr]     |
Nov 28 23:13:14.889 INFO [stderr] 129 |                 write!(f, "\n{}", prefix);
Nov 28 23:13:14.889 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:13:14.889 INFO [stderr]     |
Nov 28 23:13:14.889 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 28 23:13:14.889 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 23:13:14.889 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)
Nov 28 23:13:14.889 INFO [stderr] 
Nov 28 23:13:14.890 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 23:13:14.891 INFO [stderr]    --> src/block.rs:257:9
Nov 28 23:13:14.891 INFO [stderr]     |
Nov 28 23:13:14.891 INFO [stderr] 257 |         write!(&mut s, "{}", function);
Nov 28 23:13:14.891 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:13:14.891 INFO [stderr]     |
Nov 28 23:13:14.891 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 23:13:14.892 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)
Nov 28 23:13:14.892 INFO [stderr] 
Nov 28 23:13:15.834 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
Nov 28 23:13:15.836 INFO [stderr] su: No module specific data is present
Nov 28 23:13:16.399 INFO running `"docker" "inspect" "592f8933083b636ce2ea2da9d260a189403b2d7673838f8d1816572b5420c924"`
Nov 28 23:13:16.736 INFO running `"docker" "rm" "-f" "592f8933083b636ce2ea2da9d260a189403b2d7673838f8d1816572b5420c924"`
Nov 28 23:13:17.116 INFO [stdout] 592f8933083b636ce2ea2da9d260a189403b2d7673838f8d1816572b5420c924