Dec 13 07:11:09.085 INFO testing plopgrizzly/nahar against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 07:11:09.085 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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"`
Dec 13 07:11:09.246 INFO [stdout] 8441b10460fb05dc05d01bc3a6a3da950ecc6b077ec76d6cded716d477fa7f3f
Dec 13 07:11:09.249 INFO running `"docker" "start" "-a" "8441b10460fb05dc05d01bc3a6a3da950ecc6b077ec76d6cded716d477fa7f3f"`
Dec 13 07:11:09.753 INFO [stderr] usermod: no changes
Dec 13 07:11:09.783 INFO [stderr]    Compiling nr v0.1.0 (/source)
Dec 13 07:11:09.989 INFO [stderr] warning: unused import: `std::fs`
Dec 13 07:11:09.989 INFO [stderr]  --> src/main.rs:8:5
Dec 13 07:11:09.989 INFO [stderr]   |
Dec 13 07:11:09.989 INFO [stderr] 8 | use std::fs;
Dec 13 07:11:09.989 INFO [stderr]   |     ^^^^^^^
Dec 13 07:11:09.989 INFO [stderr]   |
Dec 13 07:11:09.989 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 07:11:09.989 INFO [stderr] 
Dec 13 07:11:10.055 INFO [stderr] warning: variable does not need to be mutable
Dec 13 07:11:10.055 INFO [stderr]   --> src/main.rs:43:6
Dec 13 07:11:10.055 INFO [stderr]    |
Dec 13 07:11:10.055 INFO [stderr] 43 |     let mut buf_reader = BufReader::new(file);
Dec 13 07:11:10.055 INFO [stderr]    |         ----^^^^^^^^^^
Dec 13 07:11:10.055 INFO [stderr]    |         |
Dec 13 07:11:10.055 INFO [stderr]    |         help: remove this `mut`
Dec 13 07:11:10.055 INFO [stderr]    |
Dec 13 07:11:10.055 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 07:11:10.055 INFO [stderr] 
Dec 13 07:11:10.055 INFO [stderr] warning: variant is never constructed: `Mod`
Dec 13 07:11:10.055 INFO [stderr]   --> src/main.rs:18:2
Dec 13 07:11:10.055 INFO [stderr]    |
Dec 13 07:11:10.055 INFO [stderr] 18 |     Mod, // mod - module exports
Dec 13 07:11:10.055 INFO [stderr]    |     ^^^
Dec 13 07:11:10.055 INFO [stderr]    |
Dec 13 07:11:10.055 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 07:11:10.055 INFO [stderr] 
Dec 13 07:11:10.055 INFO [stderr] warning: variant is never constructed: `Obj`
Dec 13 07:11:10.055 INFO [stderr]   --> src/main.rs:19:2
Dec 13 07:11:10.055 INFO [stderr]    |
Dec 13 07:11:10.055 INFO [stderr] 19 |     Obj, // obj - object exports
Dec 13 07:11:10.055 INFO [stderr]    |     ^^^
Dec 13 07:11:10.055 INFO [stderr] 
Dec 13 07:11:10.055 INFO [stderr] warning: variant is never constructed: `Dep`
Dec 13 07:11:10.055 INFO [stderr]   --> src/main.rs:20:2
Dec 13 07:11:10.055 INFO [stderr]    |
Dec 13 07:11:10.055 INFO [stderr] 20 |     Dep, // dep - dependency imports
Dec 13 07:11:10.055 INFO [stderr]    |     ^^^
Dec 13 07:11:10.055 INFO [stderr] 
Dec 13 07:11:10.055 INFO [stderr] warning: variant is never constructed: `Fun`
Dec 13 07:11:10.055 INFO [stderr]   --> src/main.rs:21:2
Dec 13 07:11:10.055 INFO [stderr]    |
Dec 13 07:11:10.055 INFO [stderr] 21 |     Fun, // fun - function
Dec 13 07:11:10.055 INFO [stderr]    |     ^^^
Dec 13 07:11:10.055 INFO [stderr] 
Dec 13 07:11:10.055 INFO [stderr] warning: variant is never constructed: `Var`
Dec 13 07:11:10.055 INFO [stderr]   --> src/main.rs:22:2
Dec 13 07:11:10.055 INFO [stderr]    |
Dec 13 07:11:10.055 INFO [stderr] 22 |     Var, // var - variable
Dec 13 07:11:10.055 INFO [stderr]    |     ^^^
Dec 13 07:11:10.055 INFO [stderr] 
Dec 13 07:11:10.055 INFO [stderr] warning: variant is never constructed: `Con`
Dec 13 07:11:10.055 INFO [stderr]   --> src/main.rs:23:2
Dec 13 07:11:10.056 INFO [stderr]    |
Dec 13 07:11:10.056 INFO [stderr] 23 |     Con, // con - constant
Dec 13 07:11:10.056 INFO [stderr]    |     ^^^
Dec 13 07:11:10.056 INFO [stderr] 
Dec 13 07:11:10.056 INFO [stderr] warning: variant is never constructed: `Mac`
Dec 13 07:11:10.056 INFO [stderr]   --> src/main.rs:24:2
Dec 13 07:11:10.056 INFO [stderr]    |
Dec 13 07:11:10.056 INFO [stderr] 24 |     Mac, // mac - macro
Dec 13 07:11:10.056 INFO [stderr]    |     ^^^
Dec 13 07:11:10.056 INFO [stderr] 
Dec 13 07:11:10.056 INFO [stderr] warning: variant is never constructed: `Ffi`
Dec 13 07:11:10.056 INFO [stderr]   --> src/main.rs:25:2
Dec 13 07:11:10.056 INFO [stderr]    |
Dec 13 07:11:10.056 INFO [stderr] 25 |     Ffi, // ffi - foreign function interface
Dec 13 07:11:10.056 INFO [stderr]    |     ^^^
Dec 13 07:11:10.056 INFO [stderr] 
Dec 13 07:11:10.056 INFO [stderr] warning: variant is never constructed: `Fvi`
Dec 13 07:11:10.056 INFO [stderr]   --> src/main.rs:26:2
Dec 13 07:11:10.056 INFO [stderr]    |
Dec 13 07:11:10.056 INFO [stderr] 26 |     Fvi, // fvi - foreign variable interface
Dec 13 07:11:10.056 INFO [stderr]    |     ^^^
Dec 13 07:11:10.056 INFO [stderr] 
Dec 13 07:11:10.056 INFO [stderr] warning: variant is never constructed: `Set`
Dec 13 07:11:10.056 INFO [stderr]   --> src/main.rs:27:2
Dec 13 07:11:10.056 INFO [stderr]    |
Dec 13 07:11:10.056 INFO [stderr] 27 |     Set, // set - set a built-in function for this module or object.
Dec 13 07:11:10.056 INFO [stderr]    |     ^^^
Dec 13 07:11:10.056 INFO [stderr] 
Dec 13 07:11:10.901 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
Dec 13 07:11:10.907 INFO [stderr] su: No module specific data is present
Dec 13 07:11:11.197 INFO running `"docker" "inspect" "8441b10460fb05dc05d01bc3a6a3da950ecc6b077ec76d6cded716d477fa7f3f"`
Dec 13 07:11:11.320 INFO running `"docker" "rm" "-f" "8441b10460fb05dc05d01bc3a6a3da950ecc6b077ec76d6cded716d477fa7f3f"`
Dec 13 07:11:11.511 INFO [stdout] 8441b10460fb05dc05d01bc3a6a3da950ecc6b077ec76d6cded716d477fa7f3f
Dec 13 07:11:11.513 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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"`
Dec 13 07:11:11.857 INFO [stdout] 72e74e3c8df4fa78e8e98bcf03b63a73e630ceb0431f4e46f35d3c58cd24dd20
Dec 13 07:11:11.858 INFO running `"docker" "start" "-a" "72e74e3c8df4fa78e8e98bcf03b63a73e630ceb0431f4e46f35d3c58cd24dd20"`
Dec 13 07:11:12.380 INFO [stderr] usermod: no changes
Dec 13 07:11:12.403 INFO [stderr]    Compiling nr v0.1.0 (/source)
Dec 13 07:11:12.610 INFO [stderr] warning: unused import: `std::fs`
Dec 13 07:11:12.611 INFO [stderr]  --> src/main.rs:8:5
Dec 13 07:11:12.611 INFO [stderr]   |
Dec 13 07:11:12.611 INFO [stderr] 8 | use std::fs;
Dec 13 07:11:12.611 INFO [stderr]   |     ^^^^^^^
Dec 13 07:11:12.611 INFO [stderr]   |
Dec 13 07:11:12.611 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 07:11:12.611 INFO [stderr] 
Dec 13 07:11:12.682 INFO [stderr] warning: variable does not need to be mutable
Dec 13 07:11:12.682 INFO [stderr]   --> src/main.rs:43:6
Dec 13 07:11:12.682 INFO [stderr]    |
Dec 13 07:11:12.682 INFO [stderr] 43 |     let mut buf_reader = BufReader::new(file);
Dec 13 07:11:12.682 INFO [stderr]    |         ----^^^^^^^^^^
Dec 13 07:11:12.682 INFO [stderr]    |         |
Dec 13 07:11:12.682 INFO [stderr]    |         help: remove this `mut`
Dec 13 07:11:12.682 INFO [stderr]    |
Dec 13 07:11:12.682 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 07:11:12.682 INFO [stderr] 
Dec 13 07:11:12.686 INFO [stderr] warning: variant is never constructed: `Mod`
Dec 13 07:11:12.686 INFO [stderr]   --> src/main.rs:18:2
Dec 13 07:11:12.686 INFO [stderr]    |
Dec 13 07:11:12.686 INFO [stderr] 18 |     Mod, // mod - module exports
Dec 13 07:11:12.686 INFO [stderr]    |     ^^^
Dec 13 07:11:12.686 INFO [stderr]    |
Dec 13 07:11:12.686 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 07:11:12.686 INFO [stderr] 
Dec 13 07:11:12.686 INFO [stderr] warning: variant is never constructed: `Obj`
Dec 13 07:11:12.686 INFO [stderr]   --> src/main.rs:19:2
Dec 13 07:11:12.686 INFO [stderr]    |
Dec 13 07:11:12.686 INFO [stderr] 19 |     Obj, // obj - object exports
Dec 13 07:11:12.686 INFO [stderr]    |     ^^^
Dec 13 07:11:12.686 INFO [stderr] 
Dec 13 07:11:12.686 INFO [stderr] warning: variant is never constructed: `Dep`
Dec 13 07:11:12.686 INFO [stderr]   --> src/main.rs:20:2
Dec 13 07:11:12.686 INFO [stderr]    |
Dec 13 07:11:12.686 INFO [stderr] 20 |     Dep, // dep - dependency imports
Dec 13 07:11:12.686 INFO [stderr]    |     ^^^
Dec 13 07:11:12.686 INFO [stderr] 
Dec 13 07:11:12.686 INFO [stderr] warning: variant is never constructed: `Fun`
Dec 13 07:11:12.686 INFO [stderr]   --> src/main.rs:21:2
Dec 13 07:11:12.686 INFO [stderr]    |
Dec 13 07:11:12.686 INFO [stderr] 21 |     Fun, // fun - function
Dec 13 07:11:12.686 INFO [stderr]    |     ^^^
Dec 13 07:11:12.686 INFO [stderr] 
Dec 13 07:11:12.686 INFO [stderr] warning: variant is never constructed: `Var`
Dec 13 07:11:12.686 INFO [stderr]   --> src/main.rs:22:2
Dec 13 07:11:12.686 INFO [stderr]    |
Dec 13 07:11:12.686 INFO [stderr] 22 |     Var, // var - variable
Dec 13 07:11:12.686 INFO [stderr]    |     ^^^
Dec 13 07:11:12.686 INFO [stderr] 
Dec 13 07:11:12.686 INFO [stderr] warning: variant is never constructed: `Con`
Dec 13 07:11:12.686 INFO [stderr]   --> src/main.rs:23:2
Dec 13 07:11:12.686 INFO [stderr]    |
Dec 13 07:11:12.686 INFO [stderr] 23 |     Con, // con - constant
Dec 13 07:11:12.686 INFO [stderr]    |     ^^^
Dec 13 07:11:12.686 INFO [stderr] 
Dec 13 07:11:12.686 INFO [stderr] warning: variant is never constructed: `Mac`
Dec 13 07:11:12.686 INFO [stderr]   --> src/main.rs:24:2
Dec 13 07:11:12.686 INFO [stderr]    |
Dec 13 07:11:12.686 INFO [stderr] 24 |     Mac, // mac - macro
Dec 13 07:11:12.686 INFO [stderr]    |     ^^^
Dec 13 07:11:12.686 INFO [stderr] 
Dec 13 07:11:12.686 INFO [stderr] warning: variant is never constructed: `Ffi`
Dec 13 07:11:12.686 INFO [stderr]   --> src/main.rs:25:2
Dec 13 07:11:12.686 INFO [stderr]    |
Dec 13 07:11:12.686 INFO [stderr] 25 |     Ffi, // ffi - foreign function interface
Dec 13 07:11:12.686 INFO [stderr]    |     ^^^
Dec 13 07:11:12.686 INFO [stderr] 
Dec 13 07:11:12.686 INFO [stderr] warning: variant is never constructed: `Fvi`
Dec 13 07:11:12.686 INFO [stderr]   --> src/main.rs:26:2
Dec 13 07:11:12.686 INFO [stderr]    |
Dec 13 07:11:12.686 INFO [stderr] 26 |     Fvi, // fvi - foreign variable interface
Dec 13 07:11:12.686 INFO [stderr]    |     ^^^
Dec 13 07:11:12.686 INFO [stderr] 
Dec 13 07:11:12.686 INFO [stderr] warning: variant is never constructed: `Set`
Dec 13 07:11:12.686 INFO [stderr]   --> src/main.rs:27:2
Dec 13 07:11:12.686 INFO [stderr]    |
Dec 13 07:11:12.686 INFO [stderr] 27 |     Set, // set - set a built-in function for this module or object.
Dec 13 07:11:12.687 INFO [stderr]    |     ^^^
Dec 13 07:11:12.687 INFO [stderr] 
Dec 13 07:11:12.923 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
Dec 13 07:11:12.923 INFO [stderr] su: No module specific data is present
Dec 13 07:11:13.328 INFO running `"docker" "inspect" "72e74e3c8df4fa78e8e98bcf03b63a73e630ceb0431f4e46f35d3c58cd24dd20"`
Dec 13 07:11:13.482 INFO running `"docker" "rm" "-f" "72e74e3c8df4fa78e8e98bcf03b63a73e630ceb0431f4e46f35d3c58cd24dd20"`
Dec 13 07:11:13.749 INFO [stdout] 72e74e3c8df4fa78e8e98bcf03b63a73e630ceb0431f4e46f35d3c58cd24dd20
Dec 13 07:11:13.756 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-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"`
Dec 13 07:11:14.112 INFO [stdout] a6f7bc010341e36301a40e19b868e1897fd68af271751cc2e0870bfb593a24e8
Dec 13 07:11:14.114 INFO running `"docker" "start" "-a" "a6f7bc010341e36301a40e19b868e1897fd68af271751cc2e0870bfb593a24e8"`
Dec 13 07:11:14.812 INFO [stderr] usermod: no changes
Dec 13 07:11:14.847 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 13 07:11:14.854 INFO [stderr]      Running /target/debug/deps/nr-ad929ee3cdd40d31
Dec 13 07:11:14.854 INFO [stdout] 
Dec 13 07:11:14.854 INFO [stdout] running 0 tests
Dec 13 07:11:14.854 INFO [stdout] 
Dec 13 07:11:14.854 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 07:11:14.854 INFO [stdout] 
Dec 13 07:11:14.855 INFO [stderr] su: No module specific data is present
Dec 13 07:11:15.165 INFO running `"docker" "inspect" "a6f7bc010341e36301a40e19b868e1897fd68af271751cc2e0870bfb593a24e8"`
Dec 13 07:11:15.241 INFO running `"docker" "rm" "-f" "a6f7bc010341e36301a40e19b868e1897fd68af271751cc2e0870bfb593a24e8"`
Dec 13 07:11:15.369 INFO [stdout] a6f7bc010341e36301a40e19b868e1897fd68af271751cc2e0870bfb593a24e8