[INFO] cloning repository https://github.com/RyosukeHashimotoGithub/kana-kanji
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RyosukeHashimotoGithub/kana-kanji" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyosukeHashimotoGithub%2Fkana-kanji", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyosukeHashimotoGithub%2Fkana-kanji'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff2a55c5621dab9e0810dd0611377b6e85f0dc76
[INFO] checking RyosukeHashimotoGithub/kana-kanji against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyosukeHashimotoGithub%2Fkana-kanji" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RyosukeHashimotoGithub/kana-kanji on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RyosukeHashimotoGithub/kana-kanji
[INFO] finished tweaking git repo https://github.com/RyosukeHashimotoGithub/kana-kanji
[INFO] tweaked toml for git repo https://github.com/RyosukeHashimotoGithub/kana-kanji written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/RyosukeHashimotoGithub/kana-kanji already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1cb1c570b8d1cd3a52ebaeb17eea411c61498733fd3f93e4d0d68c3e24678d44
[INFO] running `Command { std: "docker" "start" "-a" "1cb1c570b8d1cd3a52ebaeb17eea411c61498733fd3f93e4d0d68c3e24678d44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cb1c570b8d1cd3a52ebaeb17eea411c61498733fd3f93e4d0d68c3e24678d44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cb1c570b8d1cd3a52ebaeb17eea411c61498733fd3f93e4d0d68c3e24678d44", kill_on_drop: false }`
[INFO] [stdout] 1cb1c570b8d1cd3a52ebaeb17eea411c61498733fd3f93e4d0d68c3e24678d44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19a3d8427dec3ac03171397865ffd5b50c3d1353c0fa8d9056892ea53ae29af1
[INFO] running `Command { std: "docker" "start" "-a" "19a3d8427dec3ac03171397865ffd5b50c3d1353c0fa8d9056892ea53ae29af1", kill_on_drop: false }`
[INFO] [stderr]     Checking kana-kanji v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |         if (m.contains_key(&c)) {
[INFO] [stdout]    |            ^                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 57 -         if (m.contains_key(&c)) {
[INFO] [stdout] 57 +         if m.contains_key(&c) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |         if (m.contains_key(&c)) {
[INFO] [stdout]    |            ^                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 57 -         if (m.contains_key(&c)) {
[INFO] [stdout] 57 +         if m.contains_key(&c) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "19a3d8427dec3ac03171397865ffd5b50c3d1353c0fa8d9056892ea53ae29af1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19a3d8427dec3ac03171397865ffd5b50c3d1353c0fa8d9056892ea53ae29af1", kill_on_drop: false }`
[INFO] [stdout] 19a3d8427dec3ac03171397865ffd5b50c3d1353c0fa8d9056892ea53ae29af1