Nov 30 20:37:12.975 INFO checking jens-0.4.2 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 20:37:12.975 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 20:37:13.257 INFO [stdout] 9ba4ebdea7b552e46a613195d97f626b0fa31c40f8020208e204ab7ca3c75e14
Nov 30 20:37:13.262 INFO running `"docker" "start" "-a" "9ba4ebdea7b552e46a613195d97f626b0fa31c40f8020208e204ab7ca3c75e14"`
Nov 30 20:37:14.012 INFO [stderr] usermod: no changes
Nov 30 20:37:14.128 INFO [stderr]     Checking jens v0.4.2 (/source)
Nov 30 20:37:15.462 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 20:37:15.462 INFO [stderr]    --> src/block.rs:129:17
Nov 30 20:37:15.462 INFO [stderr]     |
Nov 30 20:37:15.462 INFO [stderr] 129 |                 write!(f, "\n{}", prefix);
Nov 30 20:37:15.462 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 20:37:15.462 INFO [stderr]     |
Nov 30 20:37:15.462 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 30 20:37:15.462 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 20:37:15.462 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 30 20:37:15.462 INFO [stderr] 
Nov 30 20:37:15.667 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 20:37:15.667 INFO [stderr]    --> src/block.rs:129:17
Nov 30 20:37:15.667 INFO [stderr]     |
Nov 30 20:37:15.667 INFO [stderr] 129 |                 write!(f, "\n{}", prefix);
Nov 30 20:37:15.667 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 20:37:15.667 INFO [stderr]     |
Nov 30 20:37:15.667 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 30 20:37:15.667 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 20:37:15.667 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 30 20:37:15.667 INFO [stderr] 
Nov 30 20:37:15.667 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 20:37:15.667 INFO [stderr]    --> src/block.rs:257:9
Nov 30 20:37:15.667 INFO [stderr]     |
Nov 30 20:37:15.667 INFO [stderr] 257 |         write!(&mut s, "{}", function);
Nov 30 20:37:15.667 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 20:37:15.667 INFO [stderr]     |
Nov 30 20:37:15.667 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 20:37:15.667 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 30 20:37:15.667 INFO [stderr] 
Nov 30 20:37:17.055 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.00s
Nov 30 20:37:17.065 INFO [stderr] su: No module specific data is present
Nov 30 20:37:17.892 INFO running `"docker" "inspect" "9ba4ebdea7b552e46a613195d97f626b0fa31c40f8020208e204ab7ca3c75e14"`
Nov 30 20:37:18.206 INFO running `"docker" "rm" "-f" "9ba4ebdea7b552e46a613195d97f626b0fa31c40f8020208e204ab7ca3c75e14"`
Nov 30 20:37:18.508 INFO [stdout] 9ba4ebdea7b552e46a613195d97f626b0fa31c40f8020208e204ab7ca3c75e14