Oct 13 03:06:35.917 INFO checking Peter-Van-Drunen/readable against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 03:06:35.917 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-6/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 03:06:36.257 INFO blam! 1456441ca5ceabce7e49fd78941d24f7da153c5ecbcb1c864135cf9a08d9474d
Oct 13 03:06:36.260 INFO running `"docker" "start" "-a" "1456441ca5ceabce7e49fd78941d24f7da153c5ecbcb1c864135cf9a08d9474d"`
Oct 13 03:06:37.566 INFO kablam! usermod: no changes
Oct 13 03:06:37.640 INFO kablam!     Checking readable v0.1.0 (/source)
Oct 13 03:06:38.676 INFO kablam! warning: value assigned to `op_node` is never read
Oct 13 03:06:38.676 INFO kablam!    --> src/main.rs:240:21
Oct 13 03:06:38.676 INFO kablam!     |
Oct 13 03:06:38.676 INFO kablam! 240 |             let mut op_node: Node = Node { t: "error_in_transformer".to_string(), val: "".to_string(), kids: Vec::new() };
Oct 13 03:06:38.676 INFO kablam!     |                     ^^^^^^^
Oct 13 03:06:38.676 INFO kablam!     |
Oct 13 03:06:38.676 INFO kablam!     = note: #[warn(unused_assignments)] on by default
Oct 13 03:06:38.676 INFO kablam! 
Oct 13 03:06:38.688 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 03:06:38.688 INFO kablam!   --> src/main.rs:25:5
Oct 13 03:06:38.688 INFO kablam!    |
Oct 13 03:06:38.690 INFO kablam! 25 |     in_file.read_to_string(&mut s);
Oct 13 03:06:38.692 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 03:06:38.693 INFO kablam!    |
Oct 13 03:06:38.693 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 13 03:06:38.693 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 03:06:38.694 INFO kablam! 
Oct 13 03:06:38.721 INFO kablam! warning: value assigned to `op_node` is never read
Oct 13 03:06:38.721 INFO kablam!    --> src/main.rs:240:21
Oct 13 03:06:38.721 INFO kablam!     |
Oct 13 03:06:38.721 INFO kablam! 240 |             let mut op_node: Node = Node { t: "error_in_transformer".to_string(), val: "".to_string(), kids: Vec::new() };
Oct 13 03:06:38.721 INFO kablam!     |                     ^^^^^^^
Oct 13 03:06:38.722 INFO kablam!     |
Oct 13 03:06:38.722 INFO kablam!     = note: #[warn(unused_assignments)] on by default
Oct 13 03:06:38.722 INFO kablam! 
Oct 13 03:06:38.781 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 03:06:38.781 INFO kablam!   --> src/main.rs:25:5
Oct 13 03:06:38.781 INFO kablam!    |
Oct 13 03:06:38.781 INFO kablam! 25 |     in_file.read_to_string(&mut s);
Oct 13 03:06:38.781 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 03:06:38.781 INFO kablam!    |
Oct 13 03:06:38.782 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 13 03:06:38.782 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 03:06:38.782 INFO kablam! 
Oct 13 03:06:38.812 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
Oct 13 03:06:38.815 INFO kablam! su: No module specific data is present
Oct 13 03:06:39.381 INFO running `"docker" "rm" "-f" "1456441ca5ceabce7e49fd78941d24f7da153c5ecbcb1c864135cf9a08d9474d"`
Oct 13 03:06:39.744 INFO blam! 1456441ca5ceabce7e49fd78941d24f7da153c5ecbcb1c864135cf9a08d9474d