Nov 28 11:41:31.924 INFO checking Peter-Van-Drunen/readable against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 11:41:31.924 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 11:41:32.112 INFO [stdout] 5d2b8198b1495eaefd7f9e08a9464ebe3ecd12a815f215796365950a3ac76564
Nov 28 11:41:32.114 INFO running `"docker" "start" "-a" "5d2b8198b1495eaefd7f9e08a9464ebe3ecd12a815f215796365950a3ac76564"`
Nov 28 11:41:32.532 INFO [stderr] usermod: no changes
Nov 28 11:41:32.565 INFO [stderr]     Checking readable v0.1.0 (/source)
Nov 28 11:41:33.046 INFO [stderr] warning: value assigned to `op_node` is never read
Nov 28 11:41:33.046 INFO [stderr]    --> src/main.rs:240:21
Nov 28 11:41:33.046 INFO [stderr]     |
Nov 28 11:41:33.046 INFO [stderr] 240 |             let mut op_node: Node = Node { t: "error_in_transformer".to_string(), val: "".to_string(), kids: Vec::new() };
Nov 28 11:41:33.046 INFO [stderr]     |                     ^^^^^^^
Nov 28 11:41:33.046 INFO [stderr]     |
Nov 28 11:41:33.046 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Nov 28 11:41:33.046 INFO [stderr] 
Nov 28 11:41:33.087 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 11:41:33.087 INFO [stderr]   --> src/main.rs:25:5
Nov 28 11:41:33.088 INFO [stderr]    |
Nov 28 11:41:33.088 INFO [stderr] 25 |     in_file.read_to_string(&mut s);
Nov 28 11:41:33.089 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:41:33.089 INFO [stderr]    |
Nov 28 11:41:33.089 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 11:41:33.090 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 11:41:33.090 INFO [stderr] 
Nov 28 11:41:33.365 INFO [stderr] warning: value assigned to `op_node` is never read
Nov 28 11:41:33.365 INFO [stderr]    --> src/main.rs:240:21
Nov 28 11:41:33.365 INFO [stderr]     |
Nov 28 11:41:33.365 INFO [stderr] 240 |             let mut op_node: Node = Node { t: "error_in_transformer".to_string(), val: "".to_string(), kids: Vec::new() };
Nov 28 11:41:33.365 INFO [stderr]     |                     ^^^^^^^
Nov 28 11:41:33.365 INFO [stderr]     |
Nov 28 11:41:33.365 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Nov 28 11:41:33.365 INFO [stderr] 
Nov 28 11:41:33.386 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 11:41:33.386 INFO [stderr]   --> src/main.rs:25:5
Nov 28 11:41:33.386 INFO [stderr]    |
Nov 28 11:41:33.386 INFO [stderr] 25 |     in_file.read_to_string(&mut s);
Nov 28 11:41:33.387 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:41:33.387 INFO [stderr]    |
Nov 28 11:41:33.387 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 11:41:33.387 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 11:41:33.387 INFO [stderr] 
Nov 28 11:41:33.399 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
Nov 28 11:41:33.400 INFO [stderr] su: No module specific data is present
Nov 28 11:41:33.710 INFO running `"docker" "inspect" "5d2b8198b1495eaefd7f9e08a9464ebe3ecd12a815f215796365950a3ac76564"`
Nov 28 11:41:33.850 INFO running `"docker" "rm" "-f" "5d2b8198b1495eaefd7f9e08a9464ebe3ecd12a815f215796365950a3ac76564"`
Nov 28 11:41:33.934 INFO [stdout] 5d2b8198b1495eaefd7f9e08a9464ebe3ecd12a815f215796365950a3ac76564