Nov 28 07:59:07.821 INFO checking cedricleroy/rust-tuto against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 07:59:07.822 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-1/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 07:59:08.225 INFO [stdout] 31e53dff5fb6098c76cc78e17ad1f33e1289c2cea3cc0de6a2cdabbb2cc75baa
Nov 28 07:59:08.230 INFO running `"docker" "start" "-a" "31e53dff5fb6098c76cc78e17ad1f33e1289c2cea3cc0de6a2cdabbb2cc75baa"`
Nov 28 07:59:09.652 INFO [stderr] usermod: no changes
Nov 28 07:59:09.720 INFO [stderr]     Checking rust-tuto v0.1.0 (/source)
Nov 28 07:59:10.652 INFO [stderr] warning: value assigned to `y` is never read
Nov 28 07:59:10.652 INFO [stderr]   --> src/main.rs:13:13
Nov 28 07:59:10.652 INFO [stderr]    |
Nov 28 07:59:10.652 INFO [stderr] 13 |     let mut y = 21;
Nov 28 07:59:10.652 INFO [stderr]    |             ^
Nov 28 07:59:10.652 INFO [stderr]    |
Nov 28 07:59:10.652 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 28 07:59:10.652 INFO [stderr] 
Nov 28 07:59:10.684 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 07:59:10.684 INFO [stderr]   --> src/json.rs:12:5
Nov 28 07:59:10.684 INFO [stderr]    |
Nov 28 07:59:10.684 INFO [stderr] 12 |     file.read_to_string(&mut content);
Nov 28 07:59:10.684 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 07:59:10.684 INFO [stderr]    |
Nov 28 07:59:10.684 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 07:59:10.684 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 07:59:10.684 INFO [stderr] 
Nov 28 07:59:10.748 INFO [stderr] warning: value assigned to `y` is never read
Nov 28 07:59:10.748 INFO [stderr]   --> src/main.rs:13:13
Nov 28 07:59:10.748 INFO [stderr]    |
Nov 28 07:59:10.748 INFO [stderr] 13 |     let mut y = 21;
Nov 28 07:59:10.748 INFO [stderr]    |             ^
Nov 28 07:59:10.748 INFO [stderr]    |
Nov 28 07:59:10.748 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 28 07:59:10.748 INFO [stderr] 
Nov 28 07:59:10.774 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 07:59:10.774 INFO [stderr]   --> src/json.rs:12:5
Nov 28 07:59:10.774 INFO [stderr]    |
Nov 28 07:59:10.774 INFO [stderr] 12 |     file.read_to_string(&mut content);
Nov 28 07:59:10.774 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 07:59:10.774 INFO [stderr]    |
Nov 28 07:59:10.774 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 07:59:10.774 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 07:59:10.774 INFO [stderr] 
Nov 28 07:59:10.797 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
Nov 28 07:59:10.808 INFO [stderr] su: No module specific data is present
Nov 28 07:59:11.399 INFO running `"docker" "inspect" "31e53dff5fb6098c76cc78e17ad1f33e1289c2cea3cc0de6a2cdabbb2cc75baa"`
Nov 28 07:59:11.658 INFO running `"docker" "rm" "-f" "31e53dff5fb6098c76cc78e17ad1f33e1289c2cea3cc0de6a2cdabbb2cc75baa"`
Nov 28 07:59:11.897 INFO [stdout] 31e53dff5fb6098c76cc78e17ad1f33e1289c2cea3cc0de6a2cdabbb2cc75baa