[INFO] cloning repository https://github.com/heroku-buildpacks/cache_diff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/heroku-buildpacks/cache_diff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheroku-buildpacks%2Fcache_diff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheroku-buildpacks%2Fcache_diff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b70a49ef264d9b43ad46a2e57281c9176607a242
[INFO] checking heroku-buildpacks/cache_diff against master#f2d69d5a7c04617d122facd0a7a5bdde0af928ae for pr-138363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheroku-buildpacks%2Fcache_diff" "/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/heroku-buildpacks/cache_diff on toolchain f2d69d5a7c04617d122facd0a7a5bdde0af928ae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f2d69d5a7c04617d122facd0a7a5bdde0af928ae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/heroku-buildpacks/cache_diff
[INFO] finished tweaking git repo https://github.com/heroku-buildpacks/cache_diff
[INFO] tweaked toml for git repo https://github.com/heroku-buildpacks/cache_diff written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/heroku-buildpacks/cache_diff 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" "+f2d69d5a7c04617d122facd0a7a5bdde0af928ae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bullet_stream v0.3.0
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+f2d69d5a7c04617d122facd0a7a5bdde0af928ae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6bbc1be059814b2c6263a4a3b8385d95ce8d695c9d2d123a05e348b3ece86537
[INFO] running `Command { std: "docker" "start" "-a" "6bbc1be059814b2c6263a4a3b8385d95ce8d695c9d2d123a05e348b3ece86537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bbc1be059814b2c6263a4a3b8385d95ce8d695c9d2d123a05e348b3ece86537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bbc1be059814b2c6263a4a3b8385d95ce8d695c9d2d123a05e348b3ece86537", kill_on_drop: false }`
[INFO] [stdout] 6bbc1be059814b2c6263a4a3b8385d95ce8d695c9d2d123a05e348b3ece86537
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+f2d69d5a7c04617d122facd0a7a5bdde0af928ae" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8555bac5258e4387ee053a05a2e27771be597568ecc5cc23e822da53792abfe
[INFO] running `Command { std: "docker" "start" "-a" "a8555bac5258e4387ee053a05a2e27771be597568ecc5cc23e822da53792abfe", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling rustversion v1.0.18
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling serde v1.0.214
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking winnow v0.6.20
[INFO] [stderr]    Compiling serde_json v1.0.132
[INFO] [stderr]    Compiling target-triple v0.1.3
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking pretty_assertions v1.4.1
[INFO] [stderr]     Checking indexmap v2.6.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking syn v2.0.85
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling serde_derive v1.0.214
[INFO] [stderr]    Compiling strum v0.26.3
[INFO] [stderr]     Checking cache_diff_derive v1.1.0 (/opt/rustwide/workdir/cache_diff_derive)
[INFO] [stderr]     Checking cache_diff v1.1.0 (/opt/rustwide/workdir/cache_diff)
[INFO] [stderr]     Checking usage v0.1.0 (/opt/rustwide/workdir/usage)
[INFO] [stderr]     Checking serde_spanned v0.6.8
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking toml_edit v0.22.22
[INFO] [stderr]     Checking toml v0.8.19
[INFO] [stderr]     Checking trybuild v1.0.101
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.50s
[INFO] running `Command { std: "docker" "inspect" "a8555bac5258e4387ee053a05a2e27771be597568ecc5cc23e822da53792abfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8555bac5258e4387ee053a05a2e27771be597568ecc5cc23e822da53792abfe", kill_on_drop: false }`
[INFO] [stdout] a8555bac5258e4387ee053a05a2e27771be597568ecc5cc23e822da53792abfe