[INFO] cloning repository https://github.com/schneems/wip_procfile_rust_buildpack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/schneems/wip_procfile_rust_buildpack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschneems%2Fwip_procfile_rust_buildpack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschneems%2Fwip_procfile_rust_buildpack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee8a0a92e5b52662c9f32c05cc17b0873e7fcac2
[INFO] checking schneems/wip_procfile_rust_buildpack against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschneems%2Fwip_procfile_rust_buildpack" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/schneems/wip_procfile_rust_buildpack 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/schneems/wip_procfile_rust_buildpack
[INFO] finished tweaking git repo https://github.com/schneems/wip_procfile_rust_buildpack
[INFO] tweaked toml for git repo https://github.com/schneems/wip_procfile_rust_buildpack written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/schneems/wip_procfile_rust_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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libherokubuildpack v0.1.1
[INFO] [stderr]   Downloaded pathdiff v0.2.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.63
[INFO] [stderr]   Downloaded vcpkg v0.2.13
[INFO] [stderr]   Downloaded tar v0.4.37
[INFO] [stderr]   Downloaded libcnb v0.2.0
[INFO] [stderr]   Downloaded openssl v0.10.34
[INFO] [stderr]   Downloaded tokio v1.6.1
[INFO] [stderr]   Downloaded openssl-src v111.15.0+1.1.1k
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] cdcce885054a5a70ff3ce5fadedeedf7a8cdc03c198d348dada643dfe6f517d8
[INFO] running `Command { std: "docker" "start" "-a" "cdcce885054a5a70ff3ce5fadedeedf7a8cdc03c198d348dada643dfe6f517d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdcce885054a5a70ff3ce5fadedeedf7a8cdc03c198d348dada643dfe6f517d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdcce885054a5a70ff3ce5fadedeedf7a8cdc03c198d348dada643dfe6f517d8", kill_on_drop: false }`
[INFO] [stdout] cdcce885054a5a70ff3ce5fadedeedf7a8cdc03c198d348dada643dfe6f517d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 3b737feec051ffc5ded4bcd9906a084fc3f2d5fd914f89e5490ce29ea4fbe8a5
[INFO] running `Command { std: "docker" "start" "-a" "3b737feec051ffc5ded4bcd9906a084fc3f2d5fd914f89e5490ce29ea4fbe8a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling openssl-src v111.15.0+1.1.1k
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling openssl-sys v0.9.63
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking openssl-probe v0.1.4
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[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking cpufeatures v0.1.4
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking tar v0.4.37
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking pathdiff v0.2.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.28
[INFO] [stderr]     Checking thiserror v1.0.28
[INFO] [stderr]     Checking hyper v0.14.9
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking libcnb v0.2.0
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.3
[INFO] [stderr]     Checking libherokubuildpack v0.1.1
[INFO] [stderr]     Checking jvm-function-invoker-buildpack v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 25s
[INFO] running `Command { std: "docker" "inspect" "3b737feec051ffc5ded4bcd9906a084fc3f2d5fd914f89e5490ce29ea4fbe8a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b737feec051ffc5ded4bcd9906a084fc3f2d5fd914f89e5490ce29ea4fbe8a5", kill_on_drop: false }`
[INFO] [stdout] 3b737feec051ffc5ded4bcd9906a084fc3f2d5fd914f89e5490ce29ea4fbe8a5