Dec 12 04:17:54.669 INFO checking zopen-0.3.1 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 04:17:54.669 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 12 04:17:55.180 INFO [stdout] 6944bc7e69647521b20b1faee0806ba579f2acdeb2efe10725f33edec92e8100
Dec 12 04:17:55.182 INFO running `"docker" "start" "-a" "6944bc7e69647521b20b1faee0806ba579f2acdeb2efe10725f33edec92e8100"`
Dec 12 04:17:56.496 INFO [stderr] usermod: no changes
Dec 12 04:17:56.652 INFO [stderr]     Checking zopen v0.3.1 (/source)
Dec 12 04:17:58.573 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 04:17:58.573 INFO [stderr]    --> src/tool.rs:189:13
Dec 12 04:17:58.573 INFO [stderr]     |
Dec 12 04:17:58.573 INFO [stderr] 189 |             writeln!(output, "Welt");
Dec 12 04:17:58.573 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 04:17:58.573 INFO [stderr]     |
Dec 12 04:17:58.573 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 04:17:58.573 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 04:17:58.573 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 12 04:17:58.573 INFO [stderr] 
Dec 12 04:17:58.573 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 04:17:58.573 INFO [stderr]    --> src/tool.rs:190:13
Dec 12 04:17:58.573 INFO [stderr]     |
Dec 12 04:17:58.573 INFO [stderr] 190 |             writeln!(output, "Hallo");
Dec 12 04:17:58.573 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 04:17:58.573 INFO [stderr]     |
Dec 12 04:17:58.573 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 04:17:58.573 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 12 04:17:58.573 INFO [stderr] 
Dec 12 04:17:58.597 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
Dec 12 04:17:58.606 INFO [stderr] su: No module specific data is present
Dec 12 04:17:59.294 INFO running `"docker" "inspect" "6944bc7e69647521b20b1faee0806ba579f2acdeb2efe10725f33edec92e8100"`
Dec 12 04:17:59.509 INFO running `"docker" "rm" "-f" "6944bc7e69647521b20b1faee0806ba579f2acdeb2efe10725f33edec92e8100"`
Dec 12 04:17:59.985 INFO [stdout] 6944bc7e69647521b20b1faee0806ba579f2acdeb2efe10725f33edec92e8100