Dec 04 12:26:38.220 INFO checking phyber/cyd against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 12:26:38.220 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 04 12:26:38.628 INFO [stdout] ec80b678f54811618f21634c233d3bd7e3a6710d2d7fc7af2e7e94ec819be592
Dec 04 12:26:38.632 INFO running `"docker" "start" "-a" "ec80b678f54811618f21634c233d3bd7e3a6710d2d7fc7af2e7e94ec819be592"`
Dec 04 12:26:39.727 INFO [stderr] usermod: no changes
Dec 04 12:26:39.908 INFO [stderr]    Compiling syn v0.15.20
Dec 04 12:26:50.343 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 04 12:27:06.225 INFO [stderr]     Checking cyd v0.1.0 (/source)
Dec 04 12:27:07.431 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 12:27:07.431 INFO [stderr]   --> src/main.rs:55:17
Dec 04 12:27:07.432 INFO [stderr]    |
Dec 04 12:27:07.432 INFO [stderr] 55 |                 write!(out, "{}", s);
Dec 04 12:27:07.432 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 04 12:27:07.432 INFO [stderr]    |
Dec 04 12:27:07.433 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 12:27:07.433 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 12:27:07.433 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 04 12:27:07.434 INFO [stderr] 
Dec 04 12:27:07.484 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 12:27:07.485 INFO [stderr]   --> src/main.rs:55:17
Dec 04 12:27:07.485 INFO [stderr]    |
Dec 04 12:27:07.485 INFO [stderr] 55 |                 write!(out, "{}", s);
Dec 04 12:27:07.485 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 04 12:27:07.485 INFO [stderr]    |
Dec 04 12:27:07.485 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 12:27:07.485 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 12:27:07.485 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 04 12:27:07.485 INFO [stderr] 
Dec 04 12:27:07.515 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.75s
Dec 04 12:27:07.539 INFO [stderr] su: No module specific data is present
Dec 04 12:27:08.689 INFO running `"docker" "inspect" "ec80b678f54811618f21634c233d3bd7e3a6710d2d7fc7af2e7e94ec819be592"`
Dec 04 12:27:09.095 INFO running `"docker" "rm" "-f" "ec80b678f54811618f21634c233d3bd7e3a6710d2d7fc7af2e7e94ec819be592"`
Dec 04 12:27:09.555 INFO [stdout] ec80b678f54811618f21634c233d3bd7e3a6710d2d7fc7af2e7e94ec819be592