Oct 12 15:36:15.373 INFO checking plopgrizzly/nahar against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 15:36:15.375 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/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 12 15:36:16.056 INFO blam! bc90f170b759344f35b5b2b732cdd4cf77bc6356e802e8779cf1a97925a65ba1
Oct 12 15:36:16.068 INFO running `"docker" "start" "-a" "bc90f170b759344f35b5b2b732cdd4cf77bc6356e802e8779cf1a97925a65ba1"`
Oct 12 15:36:17.826 INFO kablam! usermod: no changes
Oct 12 15:36:17.921 INFO kablam!     Checking nr v0.1.0 (/source)
Oct 12 15:36:18.532 INFO kablam! warning: unused import: `std::fs`
Oct 12 15:36:18.532 INFO kablam!  --> src/main.rs:8:5
Oct 12 15:36:18.532 INFO kablam!   |
Oct 12 15:36:18.532 INFO kablam! 8 | use std::fs;
Oct 12 15:36:18.532 INFO kablam!   |     ^^^^^^^
Oct 12 15:36:18.532 INFO kablam!   |
Oct 12 15:36:18.548 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 15:36:18.548 INFO kablam! 
Oct 12 15:36:18.556 INFO kablam! warning: unused import: `std::fs`
Oct 12 15:36:18.556 INFO kablam!  --> src/main.rs:8:5
Oct 12 15:36:18.556 INFO kablam!   |
Oct 12 15:36:18.556 INFO kablam! 8 | use std::fs;
Oct 12 15:36:18.556 INFO kablam!   |     ^^^^^^^
Oct 12 15:36:18.556 INFO kablam!   |
Oct 12 15:36:18.556 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 15:36:18.556 INFO kablam! 
Oct 12 15:36:18.731 INFO kablam! warning: variable does not need to be mutable
Oct 12 15:36:18.731 INFO kablam!   --> src/main.rs:43:6
Oct 12 15:36:18.731 INFO kablam!    |
Oct 12 15:36:18.731 INFO kablam! 43 |     let mut buf_reader = BufReader::new(file);
Oct 12 15:36:18.736 INFO kablam!    |         ----^^^^^^^^^^
Oct 12 15:36:18.737 INFO kablam!    |         |
Oct 12 15:36:18.737 INFO kablam!    |         help: remove this `mut`
Oct 12 15:36:18.737 INFO kablam!    |
Oct 12 15:36:18.737 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 15:36:18.737 INFO kablam! 
Oct 12 15:36:18.737 INFO kablam! warning: variant is never constructed: `Mod`
Oct 12 15:36:18.737 INFO kablam!   --> src/main.rs:18:2
Oct 12 15:36:18.737 INFO kablam!    |
Oct 12 15:36:18.737 INFO kablam! 18 |     Mod, // mod - module exports
Oct 12 15:36:18.737 INFO kablam!    |     ^^^
Oct 12 15:36:18.737 INFO kablam!    |
Oct 12 15:36:18.737 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 15:36:18.737 INFO kablam! 
Oct 12 15:36:18.737 INFO kablam! warning: variant is never constructed: `Obj`
Oct 12 15:36:18.737 INFO kablam!   --> src/main.rs:19:2
Oct 12 15:36:18.737 INFO kablam!    |
Oct 12 15:36:18.737 INFO kablam! 19 |     Obj, // obj - object exports
Oct 12 15:36:18.737 INFO kablam!    |     ^^^
Oct 12 15:36:18.737 INFO kablam! 
Oct 12 15:36:18.737 INFO kablam! warning: variant is never constructed: `Dep`
Oct 12 15:36:18.737 INFO kablam!   --> src/main.rs:20:2
Oct 12 15:36:18.737 INFO kablam!    |
Oct 12 15:36:18.737 INFO kablam! 20 |     Dep, // dep - dependency imports
Oct 12 15:36:18.737 INFO kablam!    |     ^^^
Oct 12 15:36:18.737 INFO kablam! 
Oct 12 15:36:18.737 INFO kablam! warning: variant is never constructed: `Fun`
Oct 12 15:36:18.737 INFO kablam!   --> src/main.rs:21:2
Oct 12 15:36:18.737 INFO kablam!    |
Oct 12 15:36:18.737 INFO kablam! 21 |     Fun, // fun - function
Oct 12 15:36:18.737 INFO kablam!    |     ^^^
Oct 12 15:36:18.737 INFO kablam! 
Oct 12 15:36:18.737 INFO kablam! warning: variant is never constructed: `Var`
Oct 12 15:36:18.737 INFO kablam!   --> src/main.rs:22:2
Oct 12 15:36:18.737 INFO kablam!    |
Oct 12 15:36:18.737 INFO kablam! 22 |     Var, // var - variable
Oct 12 15:36:18.737 INFO kablam!    |     ^^^
Oct 12 15:36:18.737 INFO kablam! 
Oct 12 15:36:18.737 INFO kablam! warning: variant is never constructed: `Con`
Oct 12 15:36:18.737 INFO kablam!   --> src/main.rs:23:2
Oct 12 15:36:18.737 INFO kablam!    |
Oct 12 15:36:18.748 INFO kablam! 23 |     Con, // con - constant
Oct 12 15:36:18.748 INFO kablam!    |     ^^^
Oct 12 15:36:18.748 INFO kablam! 
Oct 12 15:36:18.748 INFO kablam! warning: variant is never constructed: `Mac`
Oct 12 15:36:18.748 INFO kablam!   --> src/main.rs:24:2
Oct 12 15:36:18.748 INFO kablam!    |
Oct 12 15:36:18.748 INFO kablam! 24 |     Mac, // mac - macro
Oct 12 15:36:18.748 INFO kablam!    |     ^^^
Oct 12 15:36:18.748 INFO kablam! 
Oct 12 15:36:18.748 INFO kablam! warning: variant is never constructed: `Ffi`
Oct 12 15:36:18.748 INFO kablam!   --> src/main.rs:25:2
Oct 12 15:36:18.748 INFO kablam!    |
Oct 12 15:36:18.748 INFO kablam! 25 |     Ffi, // ffi - foreign function interface
Oct 12 15:36:18.748 INFO kablam!    |     ^^^
Oct 12 15:36:18.748 INFO kablam! 
Oct 12 15:36:18.748 INFO kablam! warning: variant is never constructed: `Fvi`
Oct 12 15:36:18.748 INFO kablam!   --> src/main.rs:26:2
Oct 12 15:36:18.748 INFO kablam!    |
Oct 12 15:36:18.748 INFO kablam! 26 |     Fvi, // fvi - foreign variable interface
Oct 12 15:36:18.748 INFO kablam!    |     ^^^
Oct 12 15:36:18.748 INFO kablam! 
Oct 12 15:36:18.748 INFO kablam! warning: variant is never constructed: `Set`
Oct 12 15:36:18.748 INFO kablam!   --> src/main.rs:27:2
Oct 12 15:36:18.748 INFO kablam!    |
Oct 12 15:36:18.748 INFO kablam! 27 |     Set, // set - set a built-in function for this module or object.
Oct 12 15:36:18.748 INFO kablam!    |     ^^^
Oct 12 15:36:18.748 INFO kablam! 
Oct 12 15:36:18.765 INFO kablam! warning: variable does not need to be mutable
Oct 12 15:36:18.766 INFO kablam!   --> src/main.rs:43:6
Oct 12 15:36:18.766 INFO kablam!    |
Oct 12 15:36:18.766 INFO kablam! 43 |     let mut buf_reader = BufReader::new(file);
Oct 12 15:36:18.766 INFO kablam!    |         ----^^^^^^^^^^
Oct 12 15:36:18.766 INFO kablam!    |         |
Oct 12 15:36:18.766 INFO kablam!    |         help: remove this `mut`
Oct 12 15:36:18.766 INFO kablam!    |
Oct 12 15:36:18.766 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 15:36:18.766 INFO kablam! 
Oct 12 15:36:18.766 INFO kablam! warning: variant is never constructed: `Mod`
Oct 12 15:36:18.766 INFO kablam!   --> src/main.rs:18:2
Oct 12 15:36:18.766 INFO kablam!    |
Oct 12 15:36:18.766 INFO kablam! 18 |     Mod, // mod - module exports
Oct 12 15:36:18.766 INFO kablam!    |     ^^^
Oct 12 15:36:18.766 INFO kablam!    |
Oct 12 15:36:18.766 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 15:36:18.766 INFO kablam! 
Oct 12 15:36:18.770 INFO kablam! warning: variant is never constructed: `Obj`
Oct 12 15:36:18.770 INFO kablam!   --> src/main.rs:19:2
Oct 12 15:36:18.770 INFO kablam!    |
Oct 12 15:36:18.770 INFO kablam! 19 |     Obj, // obj - object exports
Oct 12 15:36:18.770 INFO kablam!    |     ^^^
Oct 12 15:36:18.770 INFO kablam! 
Oct 12 15:36:18.770 INFO kablam! warning: variant is never constructed: `Dep`
Oct 12 15:36:18.770 INFO kablam!   --> src/main.rs:20:2
Oct 12 15:36:18.771 INFO kablam!    |
Oct 12 15:36:18.771 INFO kablam! 20 |     Dep, // dep - dependency imports
Oct 12 15:36:18.771 INFO kablam!    |     ^^^
Oct 12 15:36:18.771 INFO kablam! 
Oct 12 15:36:18.771 INFO kablam! warning: variant is never constructed: `Fun`
Oct 12 15:36:18.771 INFO kablam!   --> src/main.rs:21:2
Oct 12 15:36:18.771 INFO kablam!    |
Oct 12 15:36:18.771 INFO kablam! 21 |     Fun, // fun - function
Oct 12 15:36:18.771 INFO kablam!    |     ^^^
Oct 12 15:36:18.771 INFO kablam! 
Oct 12 15:36:18.777 INFO kablam! warning: variant is never constructed: `Var`
Oct 12 15:36:18.777 INFO kablam!   --> src/main.rs:22:2
Oct 12 15:36:18.777 INFO kablam!    |
Oct 12 15:36:18.777 INFO kablam! 22 |     Var, // var - variable
Oct 12 15:36:18.777 INFO kablam!    |     ^^^
Oct 12 15:36:18.777 INFO kablam! 
Oct 12 15:36:18.777 INFO kablam! warning: variant is never constructed: `Con`
Oct 12 15:36:18.777 INFO kablam!   --> src/main.rs:23:2
Oct 12 15:36:18.777 INFO kablam!    |
Oct 12 15:36:18.777 INFO kablam! 23 |     Con, // con - constant
Oct 12 15:36:18.777 INFO kablam!    |     ^^^
Oct 12 15:36:18.777 INFO kablam! 
Oct 12 15:36:18.777 INFO kablam! warning: variant is never constructed: `Mac`
Oct 12 15:36:18.777 INFO kablam!   --> src/main.rs:24:2
Oct 12 15:36:18.777 INFO kablam!    |
Oct 12 15:36:18.777 INFO kablam! 24 |     Mac, // mac - macro
Oct 12 15:36:18.777 INFO kablam!    |     ^^^
Oct 12 15:36:18.777 INFO kablam! 
Oct 12 15:36:18.778 INFO kablam! warning: variant is never constructed: `Ffi`
Oct 12 15:36:18.778 INFO kablam!   --> src/main.rs:25:2
Oct 12 15:36:18.778 INFO kablam!    |
Oct 12 15:36:18.778 INFO kablam! 25 |     Ffi, // ffi - foreign function interface
Oct 12 15:36:18.778 INFO kablam!    |     ^^^
Oct 12 15:36:18.778 INFO kablam! 
Oct 12 15:36:18.778 INFO kablam! warning: variant is never constructed: `Fvi`
Oct 12 15:36:18.778 INFO kablam!   --> src/main.rs:26:2
Oct 12 15:36:18.778 INFO kablam!    |
Oct 12 15:36:18.778 INFO kablam! 26 |     Fvi, // fvi - foreign variable interface
Oct 12 15:36:18.778 INFO kablam!    |     ^^^
Oct 12 15:36:18.778 INFO kablam! 
Oct 12 15:36:18.778 INFO kablam! warning: variant is never constructed: `Set`
Oct 12 15:36:18.778 INFO kablam!   --> src/main.rs:27:2
Oct 12 15:36:18.778 INFO kablam!    |
Oct 12 15:36:18.778 INFO kablam! 27 |     Set, // set - set a built-in function for this module or object.
Oct 12 15:36:18.778 INFO kablam!    |     ^^^
Oct 12 15:36:18.778 INFO kablam! 
Oct 12 15:36:18.856 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
Oct 12 15:36:18.858 INFO kablam! su: No module specific data is present
Oct 12 15:36:20.233 INFO running `"docker" "rm" "-f" "bc90f170b759344f35b5b2b732cdd4cf77bc6356e802e8779cf1a97925a65ba1"`
Oct 12 15:36:20.495 INFO blam! bc90f170b759344f35b5b2b732cdd4cf77bc6356e802e8779cf1a97925a65ba1