Dec 04 21:09:58.861 INFO checking cedricleroy/rust-tuto against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 21:09:58.861 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 21:09:59.044 INFO [stdout] 8208af6a69760bf45f57afeb77a9ad35de5ad3d1507e84d3e1fc3f2f75eb7e74
Dec 04 21:09:59.056 INFO running `"docker" "start" "-a" "8208af6a69760bf45f57afeb77a9ad35de5ad3d1507e84d3e1fc3f2f75eb7e74"`
Dec 04 21:09:59.552 INFO [stderr] usermod: no changes
Dec 04 21:09:59.613 INFO [stderr]     Checking rust-tuto v0.1.0 (/source)
Dec 04 21:10:00.235 INFO [stderr] warning: value assigned to `y` is never read
Dec 04 21:10:00.235 INFO [stderr]   --> src/main.rs:13:13
Dec 04 21:10:00.235 INFO [stderr]    |
Dec 04 21:10:00.235 INFO [stderr] 13 |     let mut y = 21;
Dec 04 21:10:00.235 INFO [stderr]    |             ^
Dec 04 21:10:00.235 INFO [stderr]    |
Dec 04 21:10:00.235 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 04 21:10:00.235 INFO [stderr] 
Dec 04 21:10:00.255 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 21:10:00.255 INFO [stderr]   --> src/json.rs:12:5
Dec 04 21:10:00.255 INFO [stderr]    |
Dec 04 21:10:00.255 INFO [stderr] 12 |     file.read_to_string(&mut content);
Dec 04 21:10:00.255 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 21:10:00.255 INFO [stderr]    |
Dec 04 21:10:00.255 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 21:10:00.255 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 21:10:00.255 INFO [stderr] 
Dec 04 21:10:00.343 INFO [stderr] warning: value assigned to `y` is never read
Dec 04 21:10:00.343 INFO [stderr]   --> src/main.rs:13:13
Dec 04 21:10:00.343 INFO [stderr]    |
Dec 04 21:10:00.343 INFO [stderr] 13 |     let mut y = 21;
Dec 04 21:10:00.343 INFO [stderr]    |             ^
Dec 04 21:10:00.343 INFO [stderr]    |
Dec 04 21:10:00.343 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 04 21:10:00.343 INFO [stderr] 
Dec 04 21:10:00.360 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 21:10:00.360 INFO [stderr]   --> src/json.rs:12:5
Dec 04 21:10:00.360 INFO [stderr]    |
Dec 04 21:10:00.360 INFO [stderr] 12 |     file.read_to_string(&mut content);
Dec 04 21:10:00.360 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 21:10:00.360 INFO [stderr]    |
Dec 04 21:10:00.360 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 21:10:00.360 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 21:10:00.360 INFO [stderr] 
Dec 04 21:10:00.375 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
Dec 04 21:10:00.379 INFO [stderr] su: No module specific data is present
Dec 04 21:10:00.888 INFO running `"docker" "inspect" "8208af6a69760bf45f57afeb77a9ad35de5ad3d1507e84d3e1fc3f2f75eb7e74"`
Dec 04 21:10:01.161 INFO running `"docker" "rm" "-f" "8208af6a69760bf45f57afeb77a9ad35de5ad3d1507e84d3e1fc3f2f75eb7e74"`
Dec 04 21:10:01.467 INFO [stdout] 8208af6a69760bf45f57afeb77a9ad35de5ad3d1507e84d3e1fc3f2f75eb7e74