[INFO] cloning repository https://github.com/joshwlewis/sample-counter-buildpack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joshwlewis/sample-counter-buildpack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshwlewis%2Fsample-counter-buildpack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshwlewis%2Fsample-counter-buildpack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0877532082229f231fa517bb162bc93936901513
[INFO] checking joshwlewis/sample-counter-buildpack against master#4847d6a9d07d4be9ba3196f6ad444af2d7bdde72 for pr-134276
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshwlewis%2Fsample-counter-buildpack" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joshwlewis/sample-counter-buildpack on toolchain 4847d6a9d07d4be9ba3196f6ad444af2d7bdde72
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/joshwlewis/sample-counter-buildpack
[INFO] finished tweaking git repo https://github.com/joshwlewis/sample-counter-buildpack
[INFO] tweaked toml for git repo https://github.com/joshwlewis/sample-counter-buildpack written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/joshwlewis/sample-counter-buildpack 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" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libcnb-data v0.8.0
[INFO] [stderr]   Downloaded libcnb-proc-macros v0.3.0
[INFO] [stderr]   Downloaded libcnb v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5fc144971a3a9bfbedb37e110797c1cd0301477230e186dd9f4fb545d6a88c72
[INFO] running `Command { std: "docker" "start" "-a" "5fc144971a3a9bfbedb37e110797c1cd0301477230e186dd9f4fb545d6a88c72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fc144971a3a9bfbedb37e110797c1cd0301477230e186dd9f4fb545d6a88c72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fc144971a3a9bfbedb37e110797c1cd0301477230e186dd9f4fb545d6a88c72", kill_on_drop: false }`
[INFO] [stdout] 5fc144971a3a9bfbedb37e110797c1cd0301477230e186dd9f4fb545d6a88c72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab5dbff0bdccef65b82487f9a9fee12a97de33d6e499ceffb5c342fb482c59b3
[INFO] running `Command { std: "docker" "start" "-a" "ab5dbff0bdccef65b82487f9a9fee12a97de33d6e499ceffb5c342fb482c59b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling serde_derive v1.0.139
[INFO] [stderr]    Compiling serde v1.0.139
[INFO] [stderr]    Compiling camino v1.0.9
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]    Compiling semver v1.0.12
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling fancy-regex v0.10.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]    Compiling cargo-platform v0.1.2
[INFO] [stderr]    Compiling cargo_metadata v0.15.0
[INFO] [stderr]    Compiling libcnb-proc-macros v0.3.0
[INFO] [stderr]     Checking libcnb-data v0.8.0
[INFO] [stderr]     Checking libcnb v0.9.0
[INFO] [stderr]     Checking sample_counter_buildpack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.54s
[INFO] running `Command { std: "docker" "inspect" "ab5dbff0bdccef65b82487f9a9fee12a97de33d6e499ceffb5c342fb482c59b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab5dbff0bdccef65b82487f9a9fee12a97de33d6e499ceffb5c342fb482c59b3", kill_on_drop: false }`
[INFO] [stdout] ab5dbff0bdccef65b82487f9a9fee12a97de33d6e499ceffb5c342fb482c59b3