[INFO] fetching crate libherokubuildpack 0.7.0...
[INFO] checking libherokubuildpack-0.7.0 against master#43d9f3859e0204e764161ee085a360274b5f3e9a for pr-97346
[INFO] extracting crate libherokubuildpack 0.7.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate libherokubuildpack 0.7.0 on toolchain 43d9f3859e0204e764161ee085a360274b5f3e9a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libherokubuildpack 0.7.0
[INFO] finished tweaking crates.io crate libherokubuildpack 0.7.0
[INFO] tweaked toml for crates.io crate libherokubuildpack 0.7.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fancy-regex v0.8.0
[INFO] [stderr]   Downloaded libcnb-proc-macros v0.2.1
[INFO] [stderr]   Downloaded libcnb v0.7.0
[INFO] [stderr]   Downloaded libcnb-data v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec3c8fab771a2c5cedb09225f8f61fa8f87622da4ca4118b04449ae70e23e483
[INFO] running `Command { std: "docker" "start" "-a" "ec3c8fab771a2c5cedb09225f8f61fa8f87622da4ca4118b04449ae70e23e483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec3c8fab771a2c5cedb09225f8f61fa8f87622da4ca4118b04449ae70e23e483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec3c8fab771a2c5cedb09225f8f61fa8f87622da4ca4118b04449ae70e23e483", kill_on_drop: false }`
[INFO] [stdout] ec3c8fab771a2c5cedb09225f8f61fa8f87622da4ca4118b04449ae70e23e483
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03b98fa7760f61255489812c6c9ad66e1cf88116ad7bee48acf579e462a55b52
[INFO] running `Command { std: "docker" "start" "-a" "03b98fa7760f61255489812c6c9ad66e1cf88116ad7bee48acf579e462a55b52", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling semver v1.0.10
[INFO] [stderr]    Compiling camino v1.0.9
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[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 tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]    Compiling rustls v0.20.6
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking chunked_transfer v1.4.0
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]     Checking xattr v0.2.3
[INFO] [stderr]     Checking filetime v0.2.16
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking tar v0.4.38
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking fancy-regex v0.8.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking sha2 v0.10.2
[INFO] [stderr]     Checking webpki-roots v0.22.3
[INFO] [stderr]     Checking ureq v2.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]    Compiling cargo-platform v0.1.2
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]    Compiling cargo_metadata v0.14.2
[INFO] [stderr]    Compiling libcnb-proc-macros v0.2.1
[INFO] [stderr]     Checking libcnb-data v0.6.0
[INFO] [stderr]     Checking libcnb v0.7.0
[INFO] [stderr]     Checking libherokubuildpack v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.89s
[INFO] running `Command { std: "docker" "inspect" "03b98fa7760f61255489812c6c9ad66e1cf88116ad7bee48acf579e462a55b52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03b98fa7760f61255489812c6c9ad66e1cf88116ad7bee48acf579e462a55b52", kill_on_drop: false }`
[INFO] [stdout] 03b98fa7760f61255489812c6c9ad66e1cf88116ad7bee48acf579e462a55b52