[INFO] updating cached repository https://github.com/jlewisbrewer/rust_kana
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d67bd05ccfa84c4f3c4a587c9784f6be2a5ebb6b
[INFO] checking jlewisbrewer/rust_kana against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjlewisbrewer%2Frust_kana" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jlewisbrewer/rust_kana on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jlewisbrewer/rust_kana
[INFO] finished tweaking git repo https://github.com/jlewisbrewer/rust_kana
[INFO] tweaked toml for git repo https://github.com/jlewisbrewer/rust_kana written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/jlewisbrewer/rust_kana already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d8a16b7ab5f6b6e1338281e77a0cddef88638e7540d46e579817c52748c9ca24
[INFO] running `"docker" "start" "-a" "d8a16b7ab5f6b6e1338281e77a0cddef88638e7540d46e579817c52748c9ca24"`
[INFO] [stderr]     Checking to_kana v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | /     /// Global constant hashmaps that map Latin 1 syllables to Japanese
[INFO] [stderr] 22 | |     /// kana in unicode.
[INFO] [stderr]    | |________________________^
[INFO] [stderr] 23 | /     lazy_static! {
[INFO] [stderr] 24 | |         static ref HIRAGANA: HashMap<String, String> = { initialize_hiragana() };
[INFO] [stderr] 25 | |         static ref KATAKANA: HashMap<String, String> = { initialize_katakana() };
[INFO] [stderr] 26 | |         static ref ROOMAJI_HIRAGANA: HashMap<String, String> = { initilize_roomaji(initialize_hiragana_keys) };
[INFO] [stderr] ...  |
[INFO] [stderr] 30 | |
[INFO] [stderr] 31 | |     }
[INFO] [stderr]    | |_____- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | /     /// Global constant hashmaps that map Latin 1 syllables to Japanese
[INFO] [stderr] 22 | |     /// kana in unicode.
[INFO] [stderr]    | |________________________^
[INFO] [stderr] 23 | /     lazy_static! {
[INFO] [stderr] 24 | |         static ref HIRAGANA: HashMap<String, String> = { initialize_hiragana() };
[INFO] [stderr] 25 | |         static ref KATAKANA: HashMap<String, String> = { initialize_katakana() };
[INFO] [stderr] 26 | |         static ref ROOMAJI_HIRAGANA: HashMap<String, String> = { initilize_roomaji(initialize_hiragana_keys) };
[INFO] [stderr] ...  |
[INFO] [stderr] 30 | |
[INFO] [stderr] 31 | |     }
[INFO] [stderr]    | |_____- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:740:21
[INFO] [stderr]     |
[INFO] [stderr] 740 |                 let mut temp = c.to_string();
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:798:21
[INFO] [stderr]     |
[INFO] [stderr] 798 |                 let mut temp = c.to_string();
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:895:9
[INFO] [stderr]     |
[INFO] [stderr] 895 |     for mut phone in &mut eng_phones {
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:740:21
[INFO] [stderr]     |
[INFO] [stderr] 740 |                 let mut temp = c.to_string();
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:798:21
[INFO] [stderr]     |
[INFO] [stderr] 798 |                 let mut temp = c.to_string();
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:895:9
[INFO] [stderr]     |
[INFO] [stderr] 895 |     for mut phone in &mut eng_phones {
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `"docker" "inspect" "d8a16b7ab5f6b6e1338281e77a0cddef88638e7540d46e579817c52748c9ca24"`
[INFO] running `"docker" "rm" "-f" "d8a16b7ab5f6b6e1338281e77a0cddef88638e7540d46e579817c52748c9ca24"`
[INFO] [stdout] d8a16b7ab5f6b6e1338281e77a0cddef88638e7540d46e579817c52748c9ca24