Dec 11 21:04:52.014 INFO checking cedricleroy/rust-tuto against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 21:04:52.014 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 11 21:04:52.450 INFO [stdout] 854fa4ffa79d28c5e69c8a540ea3fb776c0442dccb60e3238a28deec795453ab
Dec 11 21:04:52.454 INFO running `"docker" "start" "-a" "854fa4ffa79d28c5e69c8a540ea3fb776c0442dccb60e3238a28deec795453ab"`
Dec 11 21:04:53.653 INFO [stderr] usermod: no changes
Dec 11 21:04:53.724 INFO [stderr]     Checking rust-tuto v0.1.0 (/source)
Dec 11 21:04:54.857 INFO [stderr] warning: value assigned to `y` is never read
Dec 11 21:04:54.857 INFO [stderr]   --> src/main.rs:13:13
Dec 11 21:04:54.858 INFO [stderr]    |
Dec 11 21:04:54.858 INFO [stderr] 13 |     let mut y = 21;
Dec 11 21:04:54.858 INFO [stderr]    |             ^
Dec 11 21:04:54.858 INFO [stderr]    |
Dec 11 21:04:54.858 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 11 21:04:54.858 INFO [stderr] 
Dec 11 21:04:54.924 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 21:04:54.924 INFO [stderr]   --> src/json.rs:12:5
Dec 11 21:04:54.924 INFO [stderr]    |
Dec 11 21:04:54.924 INFO [stderr] 12 |     file.read_to_string(&mut content);
Dec 11 21:04:54.924 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:04:54.924 INFO [stderr]    |
Dec 11 21:04:54.924 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 21:04:54.924 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 21:04:54.924 INFO [stderr] 
Dec 11 21:04:55.264 INFO [stderr] warning: value assigned to `y` is never read
Dec 11 21:04:55.264 INFO [stderr]   --> src/main.rs:13:13
Dec 11 21:04:55.264 INFO [stderr]    |
Dec 11 21:04:55.264 INFO [stderr] 13 |     let mut y = 21;
Dec 11 21:04:55.264 INFO [stderr]    |             ^
Dec 11 21:04:55.264 INFO [stderr]    |
Dec 11 21:04:55.264 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 11 21:04:55.264 INFO [stderr] 
Dec 11 21:04:55.288 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 21:04:55.288 INFO [stderr]   --> src/json.rs:12:5
Dec 11 21:04:55.288 INFO [stderr]    |
Dec 11 21:04:55.288 INFO [stderr] 12 |     file.read_to_string(&mut content);
Dec 11 21:04:55.288 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:04:55.288 INFO [stderr]    |
Dec 11 21:04:55.288 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 21:04:55.288 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 21:04:55.288 INFO [stderr] 
Dec 11 21:04:55.333 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.66s
Dec 11 21:04:55.336 INFO [stderr] su: No module specific data is present
Dec 11 21:04:56.471 INFO running `"docker" "inspect" "854fa4ffa79d28c5e69c8a540ea3fb776c0442dccb60e3238a28deec795453ab"`
Dec 11 21:04:56.782 INFO running `"docker" "rm" "-f" "854fa4ffa79d28c5e69c8a540ea3fb776c0442dccb60e3238a28deec795453ab"`
Dec 11 21:04:57.076 INFO [stdout] 854fa4ffa79d28c5e69c8a540ea3fb776c0442dccb60e3238a28deec795453ab