Nov 28 07:59:07.683 INFO checking cedricleroy/rust-tuto against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 07:59:07.683 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 07:59:08.136 INFO [stdout] 45674b735f4463571d89132ce45fc72216518f27f1adf349a3ea9e100ae7eb68
Nov 28 07:59:08.144 INFO running `"docker" "start" "-a" "45674b735f4463571d89132ce45fc72216518f27f1adf349a3ea9e100ae7eb68"`
Nov 28 07:59:09.228 INFO [stderr] usermod: no changes
Nov 28 07:59:09.308 INFO [stderr]     Checking rust-tuto v0.1.0 (/source)
Nov 28 07:59:10.328 INFO [stderr] warning: value assigned to `y` is never read
Nov 28 07:59:10.329 INFO [stderr]   --> src/main.rs:13:13
Nov 28 07:59:10.329 INFO [stderr]    |
Nov 28 07:59:10.329 INFO [stderr] 13 |     let mut y = 21;
Nov 28 07:59:10.330 INFO [stderr]    |             ^
Nov 28 07:59:10.330 INFO [stderr]    |
Nov 28 07:59:10.330 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 28 07:59:10.330 INFO [stderr] 
Nov 28 07:59:10.381 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 07:59:10.381 INFO [stderr]   --> src/json.rs:12:5
Nov 28 07:59:10.381 INFO [stderr]    |
Nov 28 07:59:10.382 INFO [stderr] 12 |     file.read_to_string(&mut content);
Nov 28 07:59:10.382 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 07:59:10.382 INFO [stderr]    |
Nov 28 07:59:10.382 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 07:59:10.383 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 07:59:10.383 INFO [stderr] 
Nov 28 07:59:10.591 INFO [stderr] warning: value assigned to `y` is never read
Nov 28 07:59:10.592 INFO [stderr]   --> src/main.rs:13:13
Nov 28 07:59:10.592 INFO [stderr]    |
Nov 28 07:59:10.592 INFO [stderr] 13 |     let mut y = 21;
Nov 28 07:59:10.592 INFO [stderr]    |             ^
Nov 28 07:59:10.593 INFO [stderr]    |
Nov 28 07:59:10.596 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 28 07:59:10.596 INFO [stderr] 
Nov 28 07:59:10.621 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 07:59:10.621 INFO [stderr]   --> src/json.rs:12:5
Nov 28 07:59:10.621 INFO [stderr]    |
Nov 28 07:59:10.622 INFO [stderr] 12 |     file.read_to_string(&mut content);
Nov 28 07:59:10.622 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 07:59:10.622 INFO [stderr]    |
Nov 28 07:59:10.622 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 07:59:10.623 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 07:59:10.623 INFO [stderr] 
Nov 28 07:59:10.644 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
Nov 28 07:59:10.647 INFO [stderr] su: No module specific data is present
Nov 28 07:59:11.224 INFO running `"docker" "inspect" "45674b735f4463571d89132ce45fc72216518f27f1adf349a3ea9e100ae7eb68"`
Nov 28 07:59:11.505 INFO running `"docker" "rm" "-f" "45674b735f4463571d89132ce45fc72216518f27f1adf349a3ea9e100ae7eb68"`
Nov 28 07:59:11.818 INFO [stdout] 45674b735f4463571d89132ce45fc72216518f27f1adf349a3ea9e100ae7eb68