[INFO] cloning repository https://github.com/Malax/rust-cnb-starter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Malax/rust-cnb-starter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMalax%2Frust-cnb-starter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMalax%2Frust-cnb-starter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b04adbcd3f250f8517b8b1f2f243c13e375bde3
[INFO] checking Malax/rust-cnb-starter against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMalax%2Frust-cnb-starter" "/workspace/builds/worker-112/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-112/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Malax/rust-cnb-starter on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Malax/rust-cnb-starter
[INFO] finished tweaking git repo https://github.com/Malax/rust-cnb-starter
[INFO] tweaked toml for git repo https://github.com/Malax/rust-cnb-starter written to /workspace/builds/worker-112/source/Cargo.toml
[INFO] crate git repo https://github.com/Malax/rust-cnb-starter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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 libcnb v0.2.0-prerelease1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 289121f01f0dc5cc6491ce3bd2b144d31aae3e5b123ec2a15d56f5d9c0520d16
[INFO] running `Command { std: "docker" "start" "-a" "289121f01f0dc5cc6491ce3bd2b144d31aae3e5b123ec2a15d56f5d9c0520d16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "289121f01f0dc5cc6491ce3bd2b144d31aae3e5b123ec2a15d56f5d9c0520d16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "289121f01f0dc5cc6491ce3bd2b144d31aae3e5b123ec2a15d56f5d9c0520d16", kill_on_drop: false }`
[INFO] [stdout] 289121f01f0dc5cc6491ce3bd2b144d31aae3e5b123ec2a15d56f5d9c0520d16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57fa9b5e66de613c603f96f3c3c17f6a022066c69ebd8ac02bfd6fe04e4a2889
[INFO] running `Command { std: "docker" "start" "-a" "57fa9b5e66de613c603f96f3c3c17f6a022066c69ebd8ac02bfd6fe04e4a2889", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking semver-parser v0.10.2
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking semver v0.11.0
[INFO] [stderr]     Checking libcnb v0.2.0-prerelease1
[INFO] [stderr]     Checking rust-cnb-starter v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `PathBuf`, `Path`
[INFO] [stdout]  --> src/main.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf`, `Path`
[INFO] [stdout]  --> src/main.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SomeError`
[INFO] [stdout]   --> src/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     SomeError,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SomeError`
[INFO] [stdout]   --> src/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     SomeError,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `Command { std: "docker" "inspect" "57fa9b5e66de613c603f96f3c3c17f6a022066c69ebd8ac02bfd6fe04e4a2889", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57fa9b5e66de613c603f96f3c3c17f6a022066c69ebd8ac02bfd6fe04e4a2889", kill_on_drop: false }`
[INFO] [stdout] 57fa9b5e66de613c603f96f3c3c17f6a022066c69ebd8ac02bfd6fe04e4a2889