[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] testing schneems/basic_rust_lol_cnb_buildpack against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschneems%2Fbasic_rust_lol_cnb_buildpack" "/workspace/builds/worker-83/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-83/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/schneems/basic_rust_lol_cnb_buildpack on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-83/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" "+beta-2021-09-08" "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-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83c982ffefeab32fe6d59d5585f8bedb231c55e4014093cd0a27ae5a6d55e9e6
[INFO] running `Command { std: "docker" "start" "-a" "83c982ffefeab32fe6d59d5585f8bedb231c55e4014093cd0a27ae5a6d55e9e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83c982ffefeab32fe6d59d5585f8bedb231c55e4014093cd0a27ae5a6d55e9e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83c982ffefeab32fe6d59d5585f8bedb231c55e4014093cd0a27ae5a6d55e9e6", kill_on_drop: false }`
[INFO] [stdout] 83c982ffefeab32fe6d59d5585f8bedb231c55e4014093cd0a27ae5a6d55e9e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2946285abf25fcf882de3d9138cb9b0c1ecbafdf5d7c0732252a8904fcd7927
[INFO] running `Command { std: "docker" "start" "-a" "d2946285abf25fcf882de3d9138cb9b0c1ecbafdf5d7c0732252a8904fcd7927", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.28
[INFO] [stderr]    Compiling thiserror v1.0.28
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling libcnb v0.2.0
[INFO] [stderr]    Compiling 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 03s
[INFO] running `Command { std: "docker" "inspect" "d2946285abf25fcf882de3d9138cb9b0c1ecbafdf5d7c0732252a8904fcd7927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2946285abf25fcf882de3d9138cb9b0c1ecbafdf5d7c0732252a8904fcd7927", kill_on_drop: false }`
[INFO] [stdout] d2946285abf25fcf882de3d9138cb9b0c1ecbafdf5d7c0732252a8904fcd7927
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cab8780a9ed6d256fb1d2d4bd751420f7653049fa49ba80c416727d00d68cca0
[INFO] running `Command { std: "docker" "start" "-a" "cab8780a9ed6d256fb1d2d4bd751420f7653049fa49ba80c416727d00d68cca0", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "cab8780a9ed6d256fb1d2d4bd751420f7653049fa49ba80c416727d00d68cca0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cab8780a9ed6d256fb1d2d4bd751420f7653049fa49ba80c416727d00d68cca0", kill_on_drop: false }`
[INFO] [stdout] cab8780a9ed6d256fb1d2d4bd751420f7653049fa49ba80c416727d00d68cca0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 25b13de7e0a710239921be87c05191c199858844af1750529ea9c45ea4106f23
[INFO] running `Command { std: "docker" "start" "-a" "25b13de7e0a710239921be87c05191c199858844af1750529ea9c45ea4106f23", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `ProcessTypeError`
[INFO] [stderr]  --> src/main.rs:2:45
[INFO] [stderr]   |
[INFO] [stderr] 2 | use libcnb::data::launch::{Launch, Process, ProcessTypeError};
[INFO] [stderr]   |                                             ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `example-01-basics` (bin "example-01-basics" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/example_01_basics-5f3cda6a5d1bd5b6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "25b13de7e0a710239921be87c05191c199858844af1750529ea9c45ea4106f23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25b13de7e0a710239921be87c05191c199858844af1750529ea9c45ea4106f23", kill_on_drop: false }`
[INFO] [stdout] 25b13de7e0a710239921be87c05191c199858844af1750529ea9c45ea4106f23