[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 master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschneems%2Fbasic_rust_lol_cnb_buildpack" "/workspace/builds/worker-103/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-103/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/schneems/basic_rust_lol_cnb_buildpack on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-103/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43eeba879960b3d5980d2a228310e66d1f647fe4e0bd355c6bad7df8e602cc21
[INFO] running `Command { std: "docker" "start" "-a" "43eeba879960b3d5980d2a228310e66d1f647fe4e0bd355c6bad7df8e602cc21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43eeba879960b3d5980d2a228310e66d1f647fe4e0bd355c6bad7df8e602cc21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43eeba879960b3d5980d2a228310e66d1f647fe4e0bd355c6bad7df8e602cc21", kill_on_drop: false }`
[INFO] [stdout] 43eeba879960b3d5980d2a228310e66d1f647fe4e0bd355c6bad7df8e602cc21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 187e06ee61aaf3bf384c01493fa78c017b56859e7f7869d16564f08bb5e79cff
[INFO] running `Command { std: "docker" "start" "-a" "187e06ee61aaf3bf384c01493fa78c017b56859e7f7869d16564f08bb5e79cff", kill_on_drop: false }`
[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 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 lazy_static v1.4.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.8
[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 32.63s
[INFO] running `Command { std: "docker" "inspect" "187e06ee61aaf3bf384c01493fa78c017b56859e7f7869d16564f08bb5e79cff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "187e06ee61aaf3bf384c01493fa78c017b56859e7f7869d16564f08bb5e79cff", kill_on_drop: false }`
[INFO] [stdout] 187e06ee61aaf3bf384c01493fa78c017b56859e7f7869d16564f08bb5e79cff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05ee67191cc92ef65b35e2e27342e9826551d91833bf36a814ffe5951d39b48f
[INFO] running `Command { std: "docker" "start" "-a" "05ee67191cc92ef65b35e2e27342e9826551d91833bf36a814ffe5951d39b48f", 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 0.89s
[INFO] running `Command { std: "docker" "inspect" "05ee67191cc92ef65b35e2e27342e9826551d91833bf36a814ffe5951d39b48f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05ee67191cc92ef65b35e2e27342e9826551d91833bf36a814ffe5951d39b48f", kill_on_drop: false }`
[INFO] [stdout] 05ee67191cc92ef65b35e2e27342e9826551d91833bf36a814ffe5951d39b48f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fc9b0b2c6c415fc436c50a0771ede18c035e280f6384dffe7567af39d7633afb
[INFO] running `Command { std: "docker" "start" "-a" "fc9b0b2c6c415fc436c50a0771ede18c035e280f6384dffe7567af39d7633afb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.29s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/example_01_basics-218517904cdb2d17)
[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" "fc9b0b2c6c415fc436c50a0771ede18c035e280f6384dffe7567af39d7633afb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc9b0b2c6c415fc436c50a0771ede18c035e280f6384dffe7567af39d7633afb", kill_on_drop: false }`
[INFO] [stdout] fc9b0b2c6c415fc436c50a0771ede18c035e280f6384dffe7567af39d7633afb