Nov 27 22:40:34.398 INFO checking plopgrizzly/nahar against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 22:40:34.398 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 27 22:40:34.873 INFO [stdout] d113c970f4c2a8aa05110e350c7d2b8266bf7994c32a0469d3fbf16cac960b87
Nov 27 22:40:34.878 INFO running `"docker" "start" "-a" "d113c970f4c2a8aa05110e350c7d2b8266bf7994c32a0469d3fbf16cac960b87"`
Nov 27 22:40:36.124 INFO [stderr] usermod: no changes
Nov 27 22:40:36.200 INFO [stderr]     Checking nr v0.1.0 (/source)
Nov 27 22:40:36.557 INFO [stderr] warning: unused import: `std::fs`
Nov 27 22:40:36.557 INFO [stderr]  --> src/main.rs:8:5
Nov 27 22:40:36.557 INFO [stderr]   |
Nov 27 22:40:36.557 INFO [stderr] 8 | use std::fs;
Nov 27 22:40:36.557 INFO [stderr]   |     ^^^^^^^
Nov 27 22:40:36.558 INFO [stderr]   |
Nov 27 22:40:36.561 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 27 22:40:36.561 INFO [stderr] 
Nov 27 22:40:36.649 INFO [stderr] warning: unused import: `std::fs`
Nov 27 22:40:36.649 INFO [stderr]  --> src/main.rs:8:5
Nov 27 22:40:36.649 INFO [stderr]   |
Nov 27 22:40:36.649 INFO [stderr] 8 | use std::fs;
Nov 27 22:40:36.650 INFO [stderr]   |     ^^^^^^^
Nov 27 22:40:36.650 INFO [stderr]   |
Nov 27 22:40:36.650 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 27 22:40:36.650 INFO [stderr] 
Nov 27 22:40:36.720 INFO [stderr] warning: variable does not need to be mutable
Nov 27 22:40:36.720 INFO [stderr]   --> src/main.rs:43:6
Nov 27 22:40:36.720 INFO [stderr]    |
Nov 27 22:40:36.720 INFO [stderr] 43 |     let mut buf_reader = BufReader::new(file);
Nov 27 22:40:36.720 INFO [stderr]    |         ----^^^^^^^^^^
Nov 27 22:40:36.720 INFO [stderr]    |         |
Nov 27 22:40:36.720 INFO [stderr]    |         help: remove this `mut`
Nov 27 22:40:36.720 INFO [stderr]    |
Nov 27 22:40:36.720 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 27 22:40:36.720 INFO [stderr] 
Nov 27 22:40:36.720 INFO [stderr] warning: variant is never constructed: `Mod`
Nov 27 22:40:36.720 INFO [stderr]   --> src/main.rs:18:2
Nov 27 22:40:36.720 INFO [stderr]    |
Nov 27 22:40:36.720 INFO [stderr] 18 |     Mod, // mod - module exports
Nov 27 22:40:36.720 INFO [stderr]    |     ^^^
Nov 27 22:40:36.720 INFO [stderr]    |
Nov 27 22:40:36.720 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 27 22:40:36.720 INFO [stderr] 
Nov 27 22:40:36.720 INFO [stderr] warning: variant is never constructed: `Obj`
Nov 27 22:40:36.720 INFO [stderr]   --> src/main.rs:19:2
Nov 27 22:40:36.720 INFO [stderr]    |
Nov 27 22:40:36.720 INFO [stderr] 19 |     Obj, // obj - object exports
Nov 27 22:40:36.720 INFO [stderr]    |     ^^^
Nov 27 22:40:36.720 INFO [stderr] 
Nov 27 22:40:36.720 INFO [stderr] warning: variant is never constructed: `Dep`
Nov 27 22:40:36.720 INFO [stderr]   --> src/main.rs:20:2
Nov 27 22:40:36.720 INFO [stderr]    |
Nov 27 22:40:36.720 INFO [stderr] 20 |     Dep, // dep - dependency imports
Nov 27 22:40:36.720 INFO [stderr]    |     ^^^
Nov 27 22:40:36.720 INFO [stderr] 
Nov 27 22:40:36.720 INFO [stderr] warning: variant is never constructed: `Fun`
Nov 27 22:40:36.720 INFO [stderr]   --> src/main.rs:21:2
Nov 27 22:40:36.720 INFO [stderr]    |
Nov 27 22:40:36.720 INFO [stderr] 21 |     Fun, // fun - function
Nov 27 22:40:36.720 INFO [stderr]    |     ^^^
Nov 27 22:40:36.720 INFO [stderr] 
Nov 27 22:40:36.720 INFO [stderr] warning: variant is never constructed: `Var`
Nov 27 22:40:36.720 INFO [stderr]   --> src/main.rs:22:2
Nov 27 22:40:36.720 INFO [stderr]    |
Nov 27 22:40:36.720 INFO [stderr] 22 |     Var, // var - variable
Nov 27 22:40:36.720 INFO [stderr]    |     ^^^
Nov 27 22:40:36.720 INFO [stderr] 
Nov 27 22:40:36.720 INFO [stderr] warning: variant is never constructed: `Con`
Nov 27 22:40:36.720 INFO [stderr]   --> src/main.rs:23:2
Nov 27 22:40:36.721 INFO [stderr]    |
Nov 27 22:40:36.721 INFO [stderr] 23 |     Con, // con - constant
Nov 27 22:40:36.721 INFO [stderr]    |     ^^^
Nov 27 22:40:36.721 INFO [stderr] 
Nov 27 22:40:36.721 INFO [stderr] warning: variant is never constructed: `Mac`
Nov 27 22:40:36.721 INFO [stderr]   --> src/main.rs:24:2
Nov 27 22:40:36.721 INFO [stderr]    |
Nov 27 22:40:36.721 INFO [stderr] 24 |     Mac, // mac - macro
Nov 27 22:40:36.721 INFO [stderr]    |     ^^^
Nov 27 22:40:36.721 INFO [stderr] 
Nov 27 22:40:36.721 INFO [stderr] warning: variant is never constructed: `Ffi`
Nov 27 22:40:36.721 INFO [stderr]   --> src/main.rs:25:2
Nov 27 22:40:36.721 INFO [stderr]    |
Nov 27 22:40:36.721 INFO [stderr] 25 |     Ffi, // ffi - foreign function interface
Nov 27 22:40:36.721 INFO [stderr]    |     ^^^
Nov 27 22:40:36.721 INFO [stderr] 
Nov 27 22:40:36.721 INFO [stderr] warning: variant is never constructed: `Fvi`
Nov 27 22:40:36.721 INFO [stderr]   --> src/main.rs:26:2
Nov 27 22:40:36.721 INFO [stderr]    |
Nov 27 22:40:36.721 INFO [stderr] 26 |     Fvi, // fvi - foreign variable interface
Nov 27 22:40:36.721 INFO [stderr]    |     ^^^
Nov 27 22:40:36.721 INFO [stderr] 
Nov 27 22:40:36.721 INFO [stderr] warning: variant is never constructed: `Set`
Nov 27 22:40:36.721 INFO [stderr]   --> src/main.rs:27:2
Nov 27 22:40:36.721 INFO [stderr]    |
Nov 27 22:40:36.721 INFO [stderr] 27 |     Set, // set - set a built-in function for this module or object.
Nov 27 22:40:36.721 INFO [stderr]    |     ^^^
Nov 27 22:40:36.721 INFO [stderr] 
Nov 27 22:40:36.752 INFO [stderr] warning: variable does not need to be mutable
Nov 27 22:40:36.752 INFO [stderr]   --> src/main.rs:43:6
Nov 27 22:40:36.752 INFO [stderr]    |
Nov 27 22:40:36.752 INFO [stderr] 43 |     let mut buf_reader = BufReader::new(file);
Nov 27 22:40:36.752 INFO [stderr]    |         ----^^^^^^^^^^
Nov 27 22:40:36.752 INFO [stderr]    |         |
Nov 27 22:40:36.752 INFO [stderr]    |         help: remove this `mut`
Nov 27 22:40:36.752 INFO [stderr]    |
Nov 27 22:40:36.752 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 27 22:40:36.752 INFO [stderr] 
Nov 27 22:40:36.752 INFO [stderr] warning: variant is never constructed: `Mod`
Nov 27 22:40:36.752 INFO [stderr]   --> src/main.rs:18:2
Nov 27 22:40:36.752 INFO [stderr]    |
Nov 27 22:40:36.752 INFO [stderr] 18 |     Mod, // mod - module exports
Nov 27 22:40:36.752 INFO [stderr]    |     ^^^
Nov 27 22:40:36.752 INFO [stderr]    |
Nov 27 22:40:36.752 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 27 22:40:36.752 INFO [stderr] 
Nov 27 22:40:36.752 INFO [stderr] warning: variant is never constructed: `Obj`
Nov 27 22:40:36.752 INFO [stderr]   --> src/main.rs:19:2
Nov 27 22:40:36.752 INFO [stderr]    |
Nov 27 22:40:36.752 INFO [stderr] 19 |     Obj, // obj - object exports
Nov 27 22:40:36.752 INFO [stderr]    |     ^^^
Nov 27 22:40:36.752 INFO [stderr] 
Nov 27 22:40:36.752 INFO [stderr] warning: variant is never constructed: `Dep`
Nov 27 22:40:36.752 INFO [stderr]   --> src/main.rs:20:2
Nov 27 22:40:36.752 INFO [stderr]    |
Nov 27 22:40:36.752 INFO [stderr] 20 |     Dep, // dep - dependency imports
Nov 27 22:40:36.752 INFO [stderr]    |     ^^^
Nov 27 22:40:36.752 INFO [stderr] 
Nov 27 22:40:36.752 INFO [stderr] warning: variant is never constructed: `Fun`
Nov 27 22:40:36.752 INFO [stderr]   --> src/main.rs:21:2
Nov 27 22:40:36.752 INFO [stderr]    |
Nov 27 22:40:36.752 INFO [stderr] 21 |     Fun, // fun - function
Nov 27 22:40:36.752 INFO [stderr]    |     ^^^
Nov 27 22:40:36.752 INFO [stderr] 
Nov 27 22:40:36.753 INFO [stderr] warning: variant is never constructed: `Var`
Nov 27 22:40:36.753 INFO [stderr]   --> src/main.rs:22:2
Nov 27 22:40:36.753 INFO [stderr]    |
Nov 27 22:40:36.753 INFO [stderr] 22 |     Var, // var - variable
Nov 27 22:40:36.753 INFO [stderr]    |     ^^^
Nov 27 22:40:36.753 INFO [stderr] 
Nov 27 22:40:36.753 INFO [stderr] warning: variant is never constructed: `Con`
Nov 27 22:40:36.753 INFO [stderr]   --> src/main.rs:23:2
Nov 27 22:40:36.753 INFO [stderr]    |
Nov 27 22:40:36.753 INFO [stderr] 23 |     Con, // con - constant
Nov 27 22:40:36.753 INFO [stderr]    |     ^^^
Nov 27 22:40:36.753 INFO [stderr] 
Nov 27 22:40:36.753 INFO [stderr] warning: variant is never constructed: `Mac`
Nov 27 22:40:36.753 INFO [stderr]   --> src/main.rs:24:2
Nov 27 22:40:36.753 INFO [stderr]    |
Nov 27 22:40:36.753 INFO [stderr] 24 |     Mac, // mac - macro
Nov 27 22:40:36.753 INFO [stderr]    |     ^^^
Nov 27 22:40:36.753 INFO [stderr] 
Nov 27 22:40:36.753 INFO [stderr] warning: variant is never constructed: `Ffi`
Nov 27 22:40:36.753 INFO [stderr]   --> src/main.rs:25:2
Nov 27 22:40:36.753 INFO [stderr]    |
Nov 27 22:40:36.753 INFO [stderr] 25 |     Ffi, // ffi - foreign function interface
Nov 27 22:40:36.753 INFO [stderr]    |     ^^^
Nov 27 22:40:36.753 INFO [stderr] 
Nov 27 22:40:36.753 INFO [stderr] warning: variant is never constructed: `Fvi`
Nov 27 22:40:36.753 INFO [stderr]   --> src/main.rs:26:2
Nov 27 22:40:36.753 INFO [stderr]    |
Nov 27 22:40:36.753 INFO [stderr] 26 |     Fvi, // fvi - foreign variable interface
Nov 27 22:40:36.753 INFO [stderr]    |     ^^^
Nov 27 22:40:36.753 INFO [stderr] 
Nov 27 22:40:36.753 INFO [stderr] warning: variant is never constructed: `Set`
Nov 27 22:40:36.753 INFO [stderr]   --> src/main.rs:27:2
Nov 27 22:40:36.753 INFO [stderr]    |
Nov 27 22:40:36.753 INFO [stderr] 27 |     Set, // set - set a built-in function for this module or object.
Nov 27 22:40:36.753 INFO [stderr]    |     ^^^
Nov 27 22:40:36.753 INFO [stderr] 
Nov 27 22:40:36.800 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
Nov 27 22:40:36.800 INFO [stderr] su: No module specific data is present
Nov 27 22:40:37.650 INFO running `"docker" "inspect" "d113c970f4c2a8aa05110e350c7d2b8266bf7994c32a0469d3fbf16cac960b87"`
Nov 27 22:40:37.934 INFO running `"docker" "rm" "-f" "d113c970f4c2a8aa05110e350c7d2b8266bf7994c32a0469d3fbf16cac960b87"`
Nov 27 22:40:38.256 INFO [stdout] d113c970f4c2a8aa05110e350c7d2b8266bf7994c32a0469d3fbf16cac960b87