[INFO] updating cached repository Canop/btree
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Canop/btree
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Canop/btree" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/Canop/btree"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/Canop/btree'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Canop/btree" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/Canop/btree"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/Canop/btree'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a0ec37999cbd904c6006dd88aa84788952d98cf3
[INFO] sha for GitHub repo Canop/btree: a0ec37999cbd904c6006dd88aa84788952d98cf3
[INFO] validating manifest of Canop/btree on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Canop/btree on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Canop/btree
[INFO] finished frobbing Canop/btree
[INFO] frobbed toml for Canop/btree written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/Canop/btree/Cargo.toml
[INFO] started frobbing Canop/btree
[INFO] finished frobbing Canop/btree
[INFO] frobbed toml for Canop/btree written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/Canop/btree/Cargo.toml
[INFO] crate Canop/btree has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Canop/btree against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-7/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/Canop/btree:/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" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9062fd4e8f315f76662ae3f81451a1d9012fc7eabf2ba6e99b1c3161d68709f8
[INFO] running `"docker" "start" "-a" "9062fd4e8f315f76662ae3f81451a1d9012fc7eabf2ba6e99b1c3161d68709f8"`
[INFO] [stderr]     Checking custom_error v1.3.0
[INFO] [stderr]     Checking broot v0.3.4 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `toml`
[INFO] [stderr]   --> src/main.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | use toml;
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `toml`
[INFO] [stderr]   --> src/main.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | use toml;
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `size_cache_mutex` should have an upper case name
[INFO] [stderr]   --> src/file_sizes.rs:25:24
[INFO] [stderr]    |
[INFO] [stderr] 25 |             static ref size_cache_mutex: Mutex<HashMap<PathBuf, Size>> = Mutex::new(HashMap::new());
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `SIZE_CACHE_MUTEX`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `bold_regex` should have an upper case name
[INFO] [stderr]    --> src/help_states.rs:103:24
[INFO] [stderr]     |
[INFO] [stderr] 103 |             static ref bold_regex: Regex = Regex::new(r"\*\*([^*]+)\*\*").unwrap();
[INFO] [stderr]     |                        ^^^^^^^^^^ help: convert the identifier to upper case: `BOLD_REGEX`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `bold_repl` should have an upper case name
[INFO] [stderr]    --> src/help_states.rs:104:24
[INFO] [stderr]     |
[INFO] [stderr] 104 |             static ref bold_repl: String = format!("{}$1{}", style::Bold, style::Reset);
[INFO] [stderr]     |                        ^^^^^^^^^ help: convert the identifier to upper case: `BOLD_REPL`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `code_regex` should have an upper case name
[INFO] [stderr]    --> src/help_states.rs:105:24
[INFO] [stderr]     |
[INFO] [stderr] 105 |             static ref code_regex: Regex = Regex::new(r"`([^`]+)`").unwrap();
[INFO] [stderr]     |                        ^^^^^^^^^^ help: convert the identifier to upper case: `CODE_REGEX`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `code_repl` should have an upper case name
[INFO] [stderr]    --> src/help_states.rs:106:24
[INFO] [stderr]     |
[INFO] [stderr] 106 |             static ref code_repl: String = format!(
[INFO] [stderr]     |                        ^^^^^^^^^ help: convert the identifier to upper case: `CODE_REPL`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `fg_reset` should have an upper case name
[INFO] [stderr]    --> src/tree_views.rs:119:24
[INFO] [stderr]     |
[INFO] [stderr] 119 |             static ref fg_reset: String = format!("{}", color::Fg(color::Reset)).to_string();
[INFO] [stderr]     |                        ^^^^^^^^ help: convert the identifier to upper case: `FG_RESET`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `fg_dir` should have an upper case name
[INFO] [stderr]    --> src/tree_views.rs:120:24
[INFO] [stderr]     |
[INFO] [stderr] 120 |             static ref fg_dir: String = format!("{}", color::Fg(color::LightBlue)).to_string();
[INFO] [stderr]     |                        ^^^^^^ help: convert the identifier to upper case: `FG_DIR`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `fg_link` should have an upper case name
[INFO] [stderr]    --> src/tree_views.rs:121:24
[INFO] [stderr]     |
[INFO] [stderr] 121 |             static ref fg_link: String = format!("{}", color::Fg(color::LightMagenta)).to_string();
[INFO] [stderr]     |                        ^^^^^^^ help: convert the identifier to upper case: `FG_LINK`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `fg_match` should have an upper case name
[INFO] [stderr]    --> src/tree_views.rs:122:24
[INFO] [stderr]     |
[INFO] [stderr] 122 |             static ref fg_match: String = format!("{}", color::Fg(color::Green)).to_string();
[INFO] [stderr]     |                        ^^^^^^^^ help: convert the identifier to upper case: `FG_MATCH`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `fg_reset_dir` should have an upper case name
[INFO] [stderr]    --> src/tree_views.rs:123:24
[INFO] [stderr]     |
[INFO] [stderr] 123 |             static ref fg_reset_dir: String = format!("{}{}", &*fg_reset, &*fg_dir).to_string();
[INFO] [stderr]     |                        ^^^^^^^^^^^^ help: convert the identifier to upper case: `FG_RESET_DIR`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `fg_reset_link` should have an upper case name
[INFO] [stderr]    --> src/tree_views.rs:124:24
[INFO] [stderr]     |
[INFO] [stderr] 124 |             static ref fg_reset_link: String = format!("{}{}", &*fg_reset, &*fg_link).to_string();
[INFO] [stderr]     |                        ^^^^^^^^^^^^^ help: convert the identifier to upper case: `FG_RESET_LINK`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `regex` should have an upper case name
[INFO] [stderr]   --> src/verbs.rs:27:24
[INFO] [stderr]    |
[INFO] [stderr] 27 |             static ref regex: Regex = Regex::new(r"\{([\w.]+)\}").unwrap();
[INFO] [stderr]    |                        ^^^^^ help: convert the identifier to upper case: `REGEX`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `size_cache_mutex` should have an upper case name
[INFO] [stderr]   --> src/file_sizes.rs:25:24
[INFO] [stderr]    |
[INFO] [stderr] 25 |             static ref size_cache_mutex: Mutex<HashMap<PathBuf, Size>> = Mutex::new(HashMap::new());
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `SIZE_CACHE_MUTEX`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `bold_regex` should have an upper case name
[INFO] [stderr]    --> src/help_states.rs:103:24
[INFO] [stderr]     |
[INFO] [stderr] 103 |             static ref bold_regex: Regex = Regex::new(r"\*\*([^*]+)\*\*").unwrap();
[INFO] [stderr]     |                        ^^^^^^^^^^ help: convert the identifier to upper case: `BOLD_REGEX`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `bold_repl` should have an upper case name
[INFO] [stderr]    --> src/help_states.rs:104:24
[INFO] [stderr]     |
[INFO] [stderr] 104 |             static ref bold_repl: String = format!("{}$1{}", style::Bold, style::Reset);
[INFO] [stderr]     |                        ^^^^^^^^^ help: convert the identifier to upper case: `BOLD_REPL`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `code_regex` should have an upper case name
[INFO] [stderr]    --> src/help_states.rs:105:24
[INFO] [stderr]     |
[INFO] [stderr] 105 |             static ref code_regex: Regex = Regex::new(r"`([^`]+)`").unwrap();
[INFO] [stderr]     |                        ^^^^^^^^^^ help: convert the identifier to upper case: `CODE_REGEX`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `code_repl` should have an upper case name
[INFO] [stderr]    --> src/help_states.rs:106:24
[INFO] [stderr]     |
[INFO] [stderr] 106 |             static ref code_repl: String = format!(
[INFO] [stderr]     |                        ^^^^^^^^^ help: convert the identifier to upper case: `CODE_REPL`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `fg_reset` should have an upper case name
[INFO] [stderr]    --> src/tree_views.rs:119:24
[INFO] [stderr]     |
[INFO] [stderr] 119 |             static ref fg_reset: String = format!("{}", color::Fg(color::Reset)).to_string();
[INFO] [stderr]     |                        ^^^^^^^^ help: convert the identifier to upper case: `FG_RESET`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `fg_dir` should have an upper case name
[INFO] [stderr]    --> src/tree_views.rs:120:24
[INFO] [stderr]     |
[INFO] [stderr] 120 |             static ref fg_dir: String = format!("{}", color::Fg(color::LightBlue)).to_string();
[INFO] [stderr]     |                        ^^^^^^ help: convert the identifier to upper case: `FG_DIR`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `fg_link` should have an upper case name
[INFO] [stderr]    --> src/tree_views.rs:121:24
[INFO] [stderr]     |
[INFO] [stderr] 121 |             static ref fg_link: String = format!("{}", color::Fg(color::LightMagenta)).to_string();
[INFO] [stderr]     |                        ^^^^^^^ help: convert the identifier to upper case: `FG_LINK`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `fg_match` should have an upper case name
[INFO] [stderr]    --> src/tree_views.rs:122:24
[INFO] [stderr]     |
[INFO] [stderr] 122 |             static ref fg_match: String = format!("{}", color::Fg(color::Green)).to_string();
[INFO] [stderr]     |                        ^^^^^^^^ help: convert the identifier to upper case: `FG_MATCH`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `fg_reset_dir` should have an upper case name
[INFO] [stderr]    --> src/tree_views.rs:123:24
[INFO] [stderr]     |
[INFO] [stderr] 123 |             static ref fg_reset_dir: String = format!("{}{}", &*fg_reset, &*fg_dir).to_string();
[INFO] [stderr]     |                        ^^^^^^^^^^^^ help: convert the identifier to upper case: `FG_RESET_DIR`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `fg_reset_link` should have an upper case name
[INFO] [stderr]    --> src/tree_views.rs:124:24
[INFO] [stderr]     |
[INFO] [stderr] 124 |             static ref fg_reset_link: String = format!("{}{}", &*fg_reset, &*fg_link).to_string();
[INFO] [stderr]     |                        ^^^^^^^^^^^^^ help: convert the identifier to upper case: `FG_RESET_LINK`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `regex` should have an upper case name
[INFO] [stderr]   --> src/verbs.rs:27:24
[INFO] [stderr]    |
[INFO] [stderr] 27 |             static ref regex: Regex = Regex::new(r"\{([\w.]+)\}").unwrap();
[INFO] [stderr]    |                        ^^^^^ help: convert the identifier to upper case: `REGEX`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.66s
[INFO] running `"docker" "inspect" "9062fd4e8f315f76662ae3f81451a1d9012fc7eabf2ba6e99b1c3161d68709f8"`
[INFO] running `"docker" "rm" "-f" "9062fd4e8f315f76662ae3f81451a1d9012fc7eabf2ba6e99b1c3161d68709f8"`
[INFO] [stdout] 9062fd4e8f315f76662ae3f81451a1d9012fc7eabf2ba6e99b1c3161d68709f8