[INFO] cloning repository https://github.com/schneems/basic_rust_lol_cnb_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/basic_rust_lol_cnb_buildpack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschneems%2Fbasic_rust_lol_cnb_buildpack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschneems%2Fbasic_rust_lol_cnb_buildpack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f4585b049a3687ea5af4a07ad682dfb6978d584
[INFO] checking schneems/basic_rust_lol_cnb_buildpack against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschneems%2Fbasic_rust_lol_cnb_buildpack" "/workspace/builds/worker-109/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-109/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/schneems/basic_rust_lol_cnb_buildpack on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/schneems/basic_rust_lol_cnb_buildpack
[INFO] finished tweaking git repo https://github.com/schneems/basic_rust_lol_cnb_buildpack
[INFO] tweaked toml for git repo https://github.com/schneems/basic_rust_lol_cnb_buildpack written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] crate git repo https://github.com/schneems/basic_rust_lol_cnb_buildpack already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87a557bdc4cc2612b56562fd77a42cadd0aec95cbeccc1ca0e2c1f290455bedd
[INFO] running `Command { std: "docker" "start" "-a" "87a557bdc4cc2612b56562fd77a42cadd0aec95cbeccc1ca0e2c1f290455bedd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87a557bdc4cc2612b56562fd77a42cadd0aec95cbeccc1ca0e2c1f290455bedd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87a557bdc4cc2612b56562fd77a42cadd0aec95cbeccc1ca0e2c1f290455bedd", kill_on_drop: false }`
[INFO] [stdout] 87a557bdc4cc2612b56562fd77a42cadd0aec95cbeccc1ca0e2c1f290455bedd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e71beb930558d4c8fcc5a92ac13092a81a00bd34904e09235a3842003608187
[INFO] running `Command { std: "docker" "start" "-a" "2e71beb930558d4c8fcc5a92ac13092a81a00bd34904e09235a3842003608187", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.28
[INFO] [stderr]     Checking thiserror v1.0.28
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking libcnb v0.2.0
[INFO] [stderr]     Checking example-01-basics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ProcessTypeError`
[INFO] [stdout]  --> src/main.rs:2:45
[INFO] [stdout]   |
[INFO] [stdout] 2 | use libcnb::data::launch::{Launch, Process, ProcessTypeError};
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ProcessTypeError`
[INFO] [stdout]  --> src/main.rs:2:45
[INFO] [stdout]   |
[INFO] [stdout] 2 | use libcnb::data::launch::{Launch, Process, ProcessTypeError};
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 36.89s
[INFO] running `Command { std: "docker" "inspect" "2e71beb930558d4c8fcc5a92ac13092a81a00bd34904e09235a3842003608187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e71beb930558d4c8fcc5a92ac13092a81a00bd34904e09235a3842003608187", kill_on_drop: false }`
[INFO] [stdout] 2e71beb930558d4c8fcc5a92ac13092a81a00bd34904e09235a3842003608187