Dec 04 20:16:42.704 INFO checking danielsonner/wk5-starter against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 20:16:42.704 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 20:16:43.071 INFO [stdout] b4fa0afed375dd8cc706ddda8f95e05c29da423639f0264219a749b626e977be
Dec 04 20:16:43.078 INFO running `"docker" "start" "-a" "b4fa0afed375dd8cc706ddda8f95e05c29da423639f0264219a749b626e977be"`
Dec 04 20:16:44.267 INFO [stderr] usermod: no changes
Dec 04 20:16:44.335 INFO [stderr]     Checking wk5 v0.1.0 (/source)
Dec 04 20:16:44.788 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:16:44.788 INFO [stderr]   --> src/main.rs:13:5
Dec 04 20:16:44.788 INFO [stderr]    |
Dec 04 20:16:44.788 INFO [stderr] 13 |     std::io::stdout().flush();
Dec 04 20:16:44.788 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:16:44.788 INFO [stderr]    |
Dec 04 20:16:44.788 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 20:16:44.788 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:16:44.788 INFO [stderr] 
Dec 04 20:16:44.788 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:16:44.788 INFO [stderr]   --> src/main.rs:90:9
Dec 04 20:16:44.788 INFO [stderr]    |
Dec 04 20:16:44.788 INFO [stderr] 90 |         std::io::stdout().flush();
Dec 04 20:16:44.788 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:16:44.788 INFO [stderr]    |
Dec 04 20:16:44.788 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:16:44.788 INFO [stderr] 
Dec 04 20:16:45.026 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:16:45.027 INFO [stderr]   --> src/main.rs:13:5
Dec 04 20:16:45.027 INFO [stderr]    |
Dec 04 20:16:45.027 INFO [stderr] 13 |     std::io::stdout().flush();
Dec 04 20:16:45.027 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:16:45.027 INFO [stderr]    |
Dec 04 20:16:45.027 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 20:16:45.027 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:16:45.027 INFO [stderr] 
Dec 04 20:16:45.027 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 20:16:45.027 INFO [stderr]   --> src/main.rs:90:9
Dec 04 20:16:45.027 INFO [stderr]    |
Dec 04 20:16:45.027 INFO [stderr] 90 |         std::io::stdout().flush();
Dec 04 20:16:45.027 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:16:45.027 INFO [stderr]    |
Dec 04 20:16:45.027 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 20:16:45.027 INFO [stderr] 
Dec 04 20:16:45.078 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
Dec 04 20:16:45.078 INFO [stderr] su: No module specific data is present
Dec 04 20:16:45.943 INFO running `"docker" "inspect" "b4fa0afed375dd8cc706ddda8f95e05c29da423639f0264219a749b626e977be"`
Dec 04 20:16:46.196 INFO running `"docker" "rm" "-f" "b4fa0afed375dd8cc706ddda8f95e05c29da423639f0264219a749b626e977be"`
Dec 04 20:16:46.471 INFO [stdout] b4fa0afed375dd8cc706ddda8f95e05c29da423639f0264219a749b626e977be