Dec 05 11:09:28.537 INFO testing plopgrizzly/nahar against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 11:09:28.537 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 11:09:28.834 INFO [stdout] 498a82b76b18f170f89162e54695f307a253473d40e064c82edef3ec3699f01e
Dec 05 11:09:28.837 INFO running `"docker" "start" "-a" "498a82b76b18f170f89162e54695f307a253473d40e064c82edef3ec3699f01e"`
Dec 05 11:09:29.750 INFO [stderr] usermod: no changes
Dec 05 11:09:29.812 INFO [stderr]    Compiling nr v0.1.0 (/source)
Dec 05 11:09:30.033 INFO [stderr] warning: unused import: `std::fs`
Dec 05 11:09:30.033 INFO [stderr]  --> src/main.rs:8:5
Dec 05 11:09:30.033 INFO [stderr]   |
Dec 05 11:09:30.033 INFO [stderr] 8 | use std::fs;
Dec 05 11:09:30.033 INFO [stderr]   |     ^^^^^^^
Dec 05 11:09:30.033 INFO [stderr]   |
Dec 05 11:09:30.033 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 11:09:30.033 INFO [stderr] 
Dec 05 11:09:30.101 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:09:30.101 INFO [stderr]   --> src/main.rs:43:6
Dec 05 11:09:30.101 INFO [stderr]    |
Dec 05 11:09:30.101 INFO [stderr] 43 |     let mut buf_reader = BufReader::new(file);
Dec 05 11:09:30.101 INFO [stderr]    |         ----^^^^^^^^^^
Dec 05 11:09:30.101 INFO [stderr]    |         |
Dec 05 11:09:30.101 INFO [stderr]    |         help: remove this `mut`
Dec 05 11:09:30.101 INFO [stderr]    |
Dec 05 11:09:30.101 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 11:09:30.101 INFO [stderr] 
Dec 05 11:09:30.101 INFO [stderr] warning: variant is never constructed: `Mod`
Dec 05 11:09:30.101 INFO [stderr]   --> src/main.rs:18:2
Dec 05 11:09:30.101 INFO [stderr]    |
Dec 05 11:09:30.101 INFO [stderr] 18 |     Mod, // mod - module exports
Dec 05 11:09:30.101 INFO [stderr]    |     ^^^
Dec 05 11:09:30.101 INFO [stderr]    |
Dec 05 11:09:30.101 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 11:09:30.101 INFO [stderr] 
Dec 05 11:09:30.101 INFO [stderr] warning: variant is never constructed: `Obj`
Dec 05 11:09:30.101 INFO [stderr]   --> src/main.rs:19:2
Dec 05 11:09:30.101 INFO [stderr]    |
Dec 05 11:09:30.101 INFO [stderr] 19 |     Obj, // obj - object exports
Dec 05 11:09:30.101 INFO [stderr]    |     ^^^
Dec 05 11:09:30.101 INFO [stderr] 
Dec 05 11:09:30.101 INFO [stderr] warning: variant is never constructed: `Dep`
Dec 05 11:09:30.101 INFO [stderr]   --> src/main.rs:20:2
Dec 05 11:09:30.101 INFO [stderr]    |
Dec 05 11:09:30.101 INFO [stderr] 20 |     Dep, // dep - dependency imports
Dec 05 11:09:30.101 INFO [stderr]    |     ^^^
Dec 05 11:09:30.101 INFO [stderr] 
Dec 05 11:09:30.101 INFO [stderr] warning: variant is never constructed: `Fun`
Dec 05 11:09:30.101 INFO [stderr]   --> src/main.rs:21:2
Dec 05 11:09:30.101 INFO [stderr]    |
Dec 05 11:09:30.101 INFO [stderr] 21 |     Fun, // fun - function
Dec 05 11:09:30.101 INFO [stderr]    |     ^^^
Dec 05 11:09:30.101 INFO [stderr] 
Dec 05 11:09:30.101 INFO [stderr] warning: variant is never constructed: `Var`
Dec 05 11:09:30.101 INFO [stderr]   --> src/main.rs:22:2
Dec 05 11:09:30.101 INFO [stderr]    |
Dec 05 11:09:30.101 INFO [stderr] 22 |     Var, // var - variable
Dec 05 11:09:30.101 INFO [stderr]    |     ^^^
Dec 05 11:09:30.101 INFO [stderr] 
Dec 05 11:09:30.101 INFO [stderr] warning: variant is never constructed: `Con`
Dec 05 11:09:30.101 INFO [stderr]   --> src/main.rs:23:2
Dec 05 11:09:30.101 INFO [stderr]    |
Dec 05 11:09:30.101 INFO [stderr] 23 |     Con, // con - constant
Dec 05 11:09:30.101 INFO [stderr]    |     ^^^
Dec 05 11:09:30.101 INFO [stderr] 
Dec 05 11:09:30.101 INFO [stderr] warning: variant is never constructed: `Mac`
Dec 05 11:09:30.101 INFO [stderr]   --> src/main.rs:24:2
Dec 05 11:09:30.101 INFO [stderr]    |
Dec 05 11:09:30.101 INFO [stderr] 24 |     Mac, // mac - macro
Dec 05 11:09:30.101 INFO [stderr]    |     ^^^
Dec 05 11:09:30.101 INFO [stderr] 
Dec 05 11:09:30.101 INFO [stderr] warning: variant is never constructed: `Ffi`
Dec 05 11:09:30.101 INFO [stderr]   --> src/main.rs:25:2
Dec 05 11:09:30.101 INFO [stderr]    |
Dec 05 11:09:30.101 INFO [stderr] 25 |     Ffi, // ffi - foreign function interface
Dec 05 11:09:30.101 INFO [stderr]    |     ^^^
Dec 05 11:09:30.101 INFO [stderr] 
Dec 05 11:09:30.101 INFO [stderr] warning: variant is never constructed: `Fvi`
Dec 05 11:09:30.101 INFO [stderr]   --> src/main.rs:26:2
Dec 05 11:09:30.101 INFO [stderr]    |
Dec 05 11:09:30.101 INFO [stderr] 26 |     Fvi, // fvi - foreign variable interface
Dec 05 11:09:30.101 INFO [stderr]    |     ^^^
Dec 05 11:09:30.101 INFO [stderr] 
Dec 05 11:09:30.101 INFO [stderr] warning: variant is never constructed: `Set`
Dec 05 11:09:30.102 INFO [stderr]   --> src/main.rs:27:2
Dec 05 11:09:30.102 INFO [stderr]    |
Dec 05 11:09:30.102 INFO [stderr] 27 |     Set, // set - set a built-in function for this module or object.
Dec 05 11:09:30.102 INFO [stderr]    |     ^^^
Dec 05 11:09:30.102 INFO [stderr] 
Dec 05 11:09:31.078 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
Dec 05 11:09:31.078 INFO [stderr] su: No module specific data is present
Dec 05 11:09:31.921 INFO running `"docker" "inspect" "498a82b76b18f170f89162e54695f307a253473d40e064c82edef3ec3699f01e"`
Dec 05 11:09:32.230 INFO running `"docker" "rm" "-f" "498a82b76b18f170f89162e54695f307a253473d40e064c82edef3ec3699f01e"`
Dec 05 11:09:32.508 INFO [stdout] 498a82b76b18f170f89162e54695f307a253473d40e064c82edef3ec3699f01e
Dec 05 11:09:32.510 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 11:09:32.947 INFO [stdout] 5cb7e1f722aea32d72cdac2e92735a2833214b6717d50eae444b56dba7e53d22
Dec 05 11:09:32.949 INFO running `"docker" "start" "-a" "5cb7e1f722aea32d72cdac2e92735a2833214b6717d50eae444b56dba7e53d22"`
Dec 05 11:09:34.215 INFO [stderr] usermod: no changes
Dec 05 11:09:34.280 INFO [stderr]    Compiling nr v0.1.0 (/source)
Dec 05 11:09:34.588 INFO [stderr] warning: unused import: `std::fs`
Dec 05 11:09:34.588 INFO [stderr]  --> src/main.rs:8:5
Dec 05 11:09:34.588 INFO [stderr]   |
Dec 05 11:09:34.588 INFO [stderr] 8 | use std::fs;
Dec 05 11:09:34.588 INFO [stderr]   |     ^^^^^^^
Dec 05 11:09:34.588 INFO [stderr]   |
Dec 05 11:09:34.588 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 11:09:34.588 INFO [stderr] 
Dec 05 11:09:34.668 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:09:34.668 INFO [stderr]   --> src/main.rs:43:6
Dec 05 11:09:34.668 INFO [stderr]    |
Dec 05 11:09:34.668 INFO [stderr] 43 |     let mut buf_reader = BufReader::new(file);
Dec 05 11:09:34.668 INFO [stderr]    |         ----^^^^^^^^^^
Dec 05 11:09:34.668 INFO [stderr]    |         |
Dec 05 11:09:34.668 INFO [stderr]    |         help: remove this `mut`
Dec 05 11:09:34.668 INFO [stderr]    |
Dec 05 11:09:34.668 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 11:09:34.668 INFO [stderr] 
Dec 05 11:09:34.668 INFO [stderr] warning: variant is never constructed: `Mod`
Dec 05 11:09:34.668 INFO [stderr]   --> src/main.rs:18:2
Dec 05 11:09:34.668 INFO [stderr]    |
Dec 05 11:09:34.669 INFO [stderr] 18 |     Mod, // mod - module exports
Dec 05 11:09:34.669 INFO [stderr]    |     ^^^
Dec 05 11:09:34.669 INFO [stderr]    |
Dec 05 11:09:34.669 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 11:09:34.669 INFO [stderr] 
Dec 05 11:09:34.669 INFO [stderr] warning: variant is never constructed: `Obj`
Dec 05 11:09:34.669 INFO [stderr]   --> src/main.rs:19:2
Dec 05 11:09:34.669 INFO [stderr]    |
Dec 05 11:09:34.669 INFO [stderr] 19 |     Obj, // obj - object exports
Dec 05 11:09:34.669 INFO [stderr]    |     ^^^
Dec 05 11:09:34.669 INFO [stderr] 
Dec 05 11:09:34.669 INFO [stderr] warning: variant is never constructed: `Dep`
Dec 05 11:09:34.669 INFO [stderr]   --> src/main.rs:20:2
Dec 05 11:09:34.669 INFO [stderr]    |
Dec 05 11:09:34.669 INFO [stderr] 20 |     Dep, // dep - dependency imports
Dec 05 11:09:34.669 INFO [stderr]    |     ^^^
Dec 05 11:09:34.669 INFO [stderr] 
Dec 05 11:09:34.669 INFO [stderr] warning: variant is never constructed: `Fun`
Dec 05 11:09:34.669 INFO [stderr]   --> src/main.rs:21:2
Dec 05 11:09:34.669 INFO [stderr]    |
Dec 05 11:09:34.669 INFO [stderr] 21 |     Fun, // fun - function
Dec 05 11:09:34.669 INFO [stderr]    |     ^^^
Dec 05 11:09:34.669 INFO [stderr] 
Dec 05 11:09:34.669 INFO [stderr] warning: variant is never constructed: `Var`
Dec 05 11:09:34.669 INFO [stderr]   --> src/main.rs:22:2
Dec 05 11:09:34.669 INFO [stderr]    |
Dec 05 11:09:34.669 INFO [stderr] 22 |     Var, // var - variable
Dec 05 11:09:34.669 INFO [stderr]    |     ^^^
Dec 05 11:09:34.669 INFO [stderr] 
Dec 05 11:09:34.669 INFO [stderr] warning: variant is never constructed: `Con`
Dec 05 11:09:34.669 INFO [stderr]   --> src/main.rs:23:2
Dec 05 11:09:34.669 INFO [stderr]    |
Dec 05 11:09:34.669 INFO [stderr] 23 |     Con, // con - constant
Dec 05 11:09:34.669 INFO [stderr]    |     ^^^
Dec 05 11:09:34.669 INFO [stderr] 
Dec 05 11:09:34.669 INFO [stderr] warning: variant is never constructed: `Mac`
Dec 05 11:09:34.669 INFO [stderr]   --> src/main.rs:24:2
Dec 05 11:09:34.669 INFO [stderr]    |
Dec 05 11:09:34.669 INFO [stderr] 24 |     Mac, // mac - macro
Dec 05 11:09:34.669 INFO [stderr]    |     ^^^
Dec 05 11:09:34.669 INFO [stderr] 
Dec 05 11:09:34.669 INFO [stderr] warning: variant is never constructed: `Ffi`
Dec 05 11:09:34.669 INFO [stderr]   --> src/main.rs:25:2
Dec 05 11:09:34.669 INFO [stderr]    |
Dec 05 11:09:34.669 INFO [stderr] 25 |     Ffi, // ffi - foreign function interface
Dec 05 11:09:34.669 INFO [stderr]    |     ^^^
Dec 05 11:09:34.669 INFO [stderr] 
Dec 05 11:09:34.669 INFO [stderr] warning: variant is never constructed: `Fvi`
Dec 05 11:09:34.669 INFO [stderr]   --> src/main.rs:26:2
Dec 05 11:09:34.669 INFO [stderr]    |
Dec 05 11:09:34.669 INFO [stderr] 26 |     Fvi, // fvi - foreign variable interface
Dec 05 11:09:34.669 INFO [stderr]    |     ^^^
Dec 05 11:09:34.669 INFO [stderr] 
Dec 05 11:09:34.669 INFO [stderr] warning: variant is never constructed: `Set`
Dec 05 11:09:34.669 INFO [stderr]   --> src/main.rs:27:2
Dec 05 11:09:34.669 INFO [stderr]    |
Dec 05 11:09:34.669 INFO [stderr] 27 |     Set, // set - set a built-in function for this module or object.
Dec 05 11:09:34.669 INFO [stderr]    |     ^^^
Dec 05 11:09:34.669 INFO [stderr] 
Dec 05 11:09:35.100 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
Dec 05 11:09:35.100 INFO [stderr] su: No module specific data is present
Dec 05 11:09:36.106 INFO running `"docker" "inspect" "5cb7e1f722aea32d72cdac2e92735a2833214b6717d50eae444b56dba7e53d22"`
Dec 05 11:09:36.402 INFO running `"docker" "rm" "-f" "5cb7e1f722aea32d72cdac2e92735a2833214b6717d50eae444b56dba7e53d22"`
Dec 05 11:09:36.768 INFO [stdout] 5cb7e1f722aea32d72cdac2e92735a2833214b6717d50eae444b56dba7e53d22
Dec 05 11:09:36.776 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 11:09:37.273 INFO [stdout] 184c0b94d2c40f3ca3351be86a65f3ab20502c7d861c1fd993bc7263318cd881
Dec 05 11:09:37.275 INFO running `"docker" "start" "-a" "184c0b94d2c40f3ca3351be86a65f3ab20502c7d861c1fd993bc7263318cd881"`
Dec 05 11:09:38.472 INFO [stderr] usermod: no changes
Dec 05 11:09:38.512 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 05 11:09:38.516 INFO [stderr]      Running /target/debug/deps/nr-1f1510d871058dc9
Dec 05 11:09:38.520 INFO [stdout] 
Dec 05 11:09:38.520 INFO [stdout] running 0 tests
Dec 05 11:09:38.520 INFO [stdout] 
Dec 05 11:09:38.520 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 11:09:38.520 INFO [stdout] 
Dec 05 11:09:38.522 INFO [stderr] su: No module specific data is present
Dec 05 11:09:38.964 INFO running `"docker" "inspect" "184c0b94d2c40f3ca3351be86a65f3ab20502c7d861c1fd993bc7263318cd881"`
Dec 05 11:09:39.101 INFO running `"docker" "rm" "-f" "184c0b94d2c40f3ca3351be86a65f3ab20502c7d861c1fd993bc7263318cd881"`
Dec 05 11:09:39.225 INFO [stdout] 184c0b94d2c40f3ca3351be86a65f3ab20502c7d861c1fd993bc7263318cd881