Dec 17 18:44:56.069 INFO checking nicohman/carbon against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 18:44:56.069 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/nicohman/carbon:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 18:44:56.678 INFO [stdout] 3ce9497f768f52f5fcb12f8387bd4b6ec0b8717a2f41331a03b386d89e0f83cc
Dec 17 18:44:56.679 INFO running `"docker" "start" "-a" "3ce9497f768f52f5fcb12f8387bd4b6ec0b8717a2f41331a03b386d89e0f83cc"`
Dec 17 18:44:58.772 INFO [stderr]     Checking carbon v0.1.0 (/opt/crater/workdir)
Dec 17 18:44:58.986 INFO [stderr] warning: unused import: `std::str::FromStr`
Dec 17 18:44:58.986 INFO [stderr]  --> src/bin/carbon.rs:8:5
Dec 17 18:44:58.986 INFO [stderr]   |
Dec 17 18:44:58.986 INFO [stderr] 8 | use std::str::FromStr;
Dec 17 18:44:58.986 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 17 18:44:58.986 INFO [stderr]   |
Dec 17 18:44:58.986 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 18:44:58.986 INFO [stderr] 
Dec 17 18:44:59.005 INFO [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
Dec 17 18:44:59.005 INFO [stderr]    --> src/bin/carbon.rs:179:25
Dec 17 18:44:59.005 INFO [stderr]     |
Dec 17 18:44:59.005 INFO [stderr] 179 |     return String::from(env::home_dir().unwrap().to_str().unwrap());
Dec 17 18:44:59.005 INFO [stderr]     |                         ^^^^^^^^^^^^^
Dec 17 18:44:59.005 INFO [stderr]     |
Dec 17 18:44:59.005 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 17 18:44:59.005 INFO [stderr] 
Dec 17 18:44:59.104 INFO [stderr] warning: unused variable: `disp`
Dec 17 18:44:59.105 INFO [stderr]   --> src/bin/carbon.rs:81:23
Dec 17 18:44:59.108 INFO [stderr]    |
Dec 17 18:44:59.108 INFO [stderr] 81 | fn gen_npc(sys: &str, disp: bool) {
Dec 17 18:44:59.109 INFO [stderr]    |                       ^^^^ help: consider using `_disp` instead
Dec 17 18:44:59.109 INFO [stderr]    |
Dec 17 18:44:59.109 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 18:44:59.109 INFO [stderr] 
Dec 17 18:44:59.144 INFO [stderr] warning: variable does not need to be mutable
Dec 17 18:44:59.145 INFO [stderr]   --> src/bin/carbon.rs:91:9
Dec 17 18:44:59.145 INFO [stderr]    |
Dec 17 18:44:59.145 INFO [stderr] 91 |     let mut vec: Vec<String>;
Dec 17 18:44:59.145 INFO [stderr]    |         ----^^^
Dec 17 18:44:59.146 INFO [stderr]    |         |
Dec 17 18:44:59.146 INFO [stderr]    |         help: remove this `mut`
Dec 17 18:44:59.146 INFO [stderr]    |
Dec 17 18:44:59.152 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 18:44:59.152 INFO [stderr] 
Dec 17 18:44:59.156 INFO [stderr] warning: struct is never constructed: `Npc`
Dec 17 18:44:59.156 INFO [stderr]   --> src/bin/carbon.rs:10:1
Dec 17 18:44:59.157 INFO [stderr]    |
Dec 17 18:44:59.157 INFO [stderr] 10 | struct Npc {
Dec 17 18:44:59.157 INFO [stderr]    | ^^^^^^^^^^
Dec 17 18:44:59.157 INFO [stderr]    |
Dec 17 18:44:59.158 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 18:44:59.158 INFO [stderr] 
Dec 17 18:44:59.158 INFO [stderr] warning: method is never used: `to_string`
Dec 17 18:44:59.159 INFO [stderr]   --> src/bin/carbon.rs:17:5
Dec 17 18:44:59.159 INFO [stderr]    |
Dec 17 18:44:59.159 INFO [stderr] 17 |     fn to_string(&self) -> String {
Dec 17 18:44:59.159 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:44:59.160 INFO [stderr] 
Dec 17 18:44:59.160 INFO [stderr] warning: function is never used: `add_npc`
Dec 17 18:44:59.160 INFO [stderr]   --> src/bin/carbon.rs:76:1
Dec 17 18:44:59.160 INFO [stderr]    |
Dec 17 18:44:59.160 INFO [stderr] 76 | fn add_npc(npc:Npc, camp:&str){
Dec 17 18:44:59.160 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:44:59.161 INFO [stderr] 
Dec 17 18:44:59.161 INFO [stderr] warning: function is never used: `proc_path`
Dec 17 18:44:59.161 INFO [stderr]    --> src/bin/carbon.rs:181:1
Dec 17 18:44:59.161 INFO [stderr]     |
Dec 17 18:44:59.161 INFO [stderr] 181 | fn proc_path(path: DirEntry) -> String {
Dec 17 18:44:59.161 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:44:59.162 INFO [stderr] 
Dec 17 18:44:59.204 INFO [stderr] warning: unused import: `std::str::FromStr`
Dec 17 18:44:59.204 INFO [stderr]  --> src/bin/carbon.rs:8:5
Dec 17 18:44:59.204 INFO [stderr]   |
Dec 17 18:44:59.204 INFO [stderr] 8 | use std::str::FromStr;
Dec 17 18:44:59.204 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 17 18:44:59.204 INFO [stderr]   |
Dec 17 18:44:59.204 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 18:44:59.204 INFO [stderr] 
Dec 17 18:44:59.232 INFO [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
Dec 17 18:44:59.232 INFO [stderr]    --> src/bin/carbon.rs:179:25
Dec 17 18:44:59.232 INFO [stderr]     |
Dec 17 18:44:59.232 INFO [stderr] 179 |     return String::from(env::home_dir().unwrap().to_str().unwrap());
Dec 17 18:44:59.232 INFO [stderr]     |                         ^^^^^^^^^^^^^
Dec 17 18:44:59.232 INFO [stderr]     |
Dec 17 18:44:59.232 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 17 18:44:59.232 INFO [stderr] 
Dec 17 18:44:59.332 INFO [stderr] warning: unused variable: `disp`
Dec 17 18:44:59.332 INFO [stderr]   --> src/bin/carbon.rs:81:23
Dec 17 18:44:59.332 INFO [stderr]    |
Dec 17 18:44:59.332 INFO [stderr] 81 | fn gen_npc(sys: &str, disp: bool) {
Dec 17 18:44:59.332 INFO [stderr]    |                       ^^^^ help: consider using `_disp` instead
Dec 17 18:44:59.332 INFO [stderr]    |
Dec 17 18:44:59.332 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 18:44:59.332 INFO [stderr] 
Dec 17 18:44:59.362 INFO [stderr] warning: variable does not need to be mutable
Dec 17 18:44:59.362 INFO [stderr]   --> src/bin/carbon.rs:91:9
Dec 17 18:44:59.362 INFO [stderr]    |
Dec 17 18:44:59.362 INFO [stderr] 91 |     let mut vec: Vec<String>;
Dec 17 18:44:59.362 INFO [stderr]    |         ----^^^
Dec 17 18:44:59.362 INFO [stderr]    |         |
Dec 17 18:44:59.362 INFO [stderr]    |         help: remove this `mut`
Dec 17 18:44:59.362 INFO [stderr]    |
Dec 17 18:44:59.362 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 18:44:59.362 INFO [stderr] 
Dec 17 18:44:59.370 INFO [stderr] warning: struct is never constructed: `Npc`
Dec 17 18:44:59.370 INFO [stderr]   --> src/bin/carbon.rs:10:1
Dec 17 18:44:59.370 INFO [stderr]    |
Dec 17 18:44:59.370 INFO [stderr] 10 | struct Npc {
Dec 17 18:44:59.370 INFO [stderr]    | ^^^^^^^^^^
Dec 17 18:44:59.370 INFO [stderr]    |
Dec 17 18:44:59.370 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 18:44:59.370 INFO [stderr] 
Dec 17 18:44:59.370 INFO [stderr] warning: method is never used: `to_string`
Dec 17 18:44:59.370 INFO [stderr]   --> src/bin/carbon.rs:17:5
Dec 17 18:44:59.370 INFO [stderr]    |
Dec 17 18:44:59.370 INFO [stderr] 17 |     fn to_string(&self) -> String {
Dec 17 18:44:59.370 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:44:59.370 INFO [stderr] 
Dec 17 18:44:59.370 INFO [stderr] warning: function is never used: `add_npc`
Dec 17 18:44:59.370 INFO [stderr]   --> src/bin/carbon.rs:76:1
Dec 17 18:44:59.370 INFO [stderr]    |
Dec 17 18:44:59.370 INFO [stderr] 76 | fn add_npc(npc:Npc, camp:&str){
Dec 17 18:44:59.370 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:44:59.370 INFO [stderr] 
Dec 17 18:44:59.370 INFO [stderr] warning: function is never used: `proc_path`
Dec 17 18:44:59.370 INFO [stderr]    --> src/bin/carbon.rs:181:1
Dec 17 18:44:59.370 INFO [stderr]     |
Dec 17 18:44:59.370 INFO [stderr] 181 | fn proc_path(path: DirEntry) -> String {
Dec 17 18:44:59.370 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:44:59.370 INFO [stderr] 
Dec 17 18:44:59.432 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
Dec 17 18:45:00.407 INFO running `"docker" "inspect" "3ce9497f768f52f5fcb12f8387bd4b6ec0b8717a2f41331a03b386d89e0f83cc"`
Dec 17 18:45:00.756 INFO running `"docker" "rm" "-f" "3ce9497f768f52f5fcb12f8387bd4b6ec0b8717a2f41331a03b386d89e0f83cc"`
Dec 17 18:45:01.072 INFO [stdout] 3ce9497f768f52f5fcb12f8387bd4b6ec0b8717a2f41331a03b386d89e0f83cc