[INFO] cloning repository https://github.com/kawaemon/romaji-code-generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kawaemon/romaji-code-generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkawaemon%2Fromaji-code-generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkawaemon%2Fromaji-code-generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4136989ec75001bf7f37ae7d8a3f9b0342a79064
[INFO] checking kawaemon/romaji-code-generator against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkawaemon%2Fromaji-code-generator" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kawaemon/romaji-code-generator on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kawaemon/romaji-code-generator
[INFO] finished tweaking git repo https://github.com/kawaemon/romaji-code-generator
[INFO] tweaked toml for git repo https://github.com/kawaemon/romaji-code-generator written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/kawaemon/romaji-code-generator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 094128c3beac8ae40845b59a46af681f3cba6ebeb2d1ff6c434d8da165e1d0c1
[INFO] running `Command { std: "docker" "start" "-a" "094128c3beac8ae40845b59a46af681f3cba6ebeb2d1ff6c434d8da165e1d0c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "094128c3beac8ae40845b59a46af681f3cba6ebeb2d1ff6c434d8da165e1d0c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "094128c3beac8ae40845b59a46af681f3cba6ebeb2d1ff6c434d8da165e1d0c1", kill_on_drop: false }`
[INFO] [stdout] 094128c3beac8ae40845b59a46af681f3cba6ebeb2d1ff6c434d8da165e1d0c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbe0c71ad772aa87adc874d44b4a05458ae4ed042dbb4b501314385da3a1316d
[INFO] running `Command { std: "docker" "start" "-a" "bbe0c71ad772aa87adc874d44b4a05458ae4ed042dbb4b501314385da3a1316d", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `doubles`
[INFO] [stdout]   --> src/main.rs:84:41
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn format(singles: &[RomaPair<'_>], doubles: &[RomaPair<'_>]) -> String {
[INFO] [stdout]    |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_doubles`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `doubles`
[INFO] [stdout]   --> src/main.rs:84:41
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn format(singles: &[RomaPair<'_>], doubles: &[RomaPair<'_>]) -> String {
[INFO] [stdout]    |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_doubles`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[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 [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "bbe0c71ad772aa87adc874d44b4a05458ae4ed042dbb4b501314385da3a1316d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbe0c71ad772aa87adc874d44b4a05458ae4ed042dbb4b501314385da3a1316d", kill_on_drop: false }`
[INFO] [stdout] bbe0c71ad772aa87adc874d44b4a05458ae4ed042dbb4b501314385da3a1316d