[INFO] cloning repository https://github.com/johngarrett/checkstyle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johngarrett/checkstyle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohngarrett%2Fcheckstyle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohngarrett%2Fcheckstyle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 61f1360ca04e117d2c472ea2285d3c17eee59722
[INFO] testing johngarrett/checkstyle against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohngarrett%2Fcheckstyle" "/workspace/builds/worker-47/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-47/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/johngarrett/checkstyle on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/johngarrett/checkstyle
[INFO] finished tweaking git repo https://github.com/johngarrett/checkstyle
[INFO] tweaked toml for git repo https://github.com/johngarrett/checkstyle written to /workspace/builds/worker-47/source/Cargo.toml
[INFO] crate git repo https://github.com/johngarrett/checkstyle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 862f96bac688b3879edb4c101527fedcdccbcb69f02ada6b902cc19e108b3928
[INFO] running `Command { std: "docker" "start" "-a" "862f96bac688b3879edb4c101527fedcdccbcb69f02ada6b902cc19e108b3928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "862f96bac688b3879edb4c101527fedcdccbcb69f02ada6b902cc19e108b3928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "862f96bac688b3879edb4c101527fedcdccbcb69f02ada6b902cc19e108b3928", kill_on_drop: false }`
[INFO] [stdout] 862f96bac688b3879edb4c101527fedcdccbcb69f02ada6b902cc19e108b3928
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2bbe43a27f045bf5141bf418ee05c2ae5ae6ebe428e1fa1d70ece20a5d3aa0a
[INFO] running `Command { std: "docker" "start" "-a" "e2bbe43a27f045bf5141bf418ee05c2ae5ae6ebe428e1fa1d70ece20a5d3aa0a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling checkstyle v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `file_contents`
[INFO] [stdout]   --> src/cs.rs:32:42
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn format_errors(std_errors: String, file_contents: &String) {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_contents`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_contents`
[INFO] [stdout]   --> src/cs.rs:41:39
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn javadoc_errors(errors: String, file_contents: &String) {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_contents`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `CSError`
[INFO] [stdout]  --> src/cs/error.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum CSError {
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 35s
[INFO] running `Command { std: "docker" "inspect" "e2bbe43a27f045bf5141bf418ee05c2ae5ae6ebe428e1fa1d70ece20a5d3aa0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2bbe43a27f045bf5141bf418ee05c2ae5ae6ebe428e1fa1d70ece20a5d3aa0a", kill_on_drop: false }`
[INFO] [stdout] e2bbe43a27f045bf5141bf418ee05c2ae5ae6ebe428e1fa1d70ece20a5d3aa0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4c10d79bb448159567c1834a345bb0d0b8cdac3bc26df62b615abfe077a9793
[INFO] running `Command { std: "docker" "start" "-a" "f4c10d79bb448159567c1834a345bb0d0b8cdac3bc26df62b615abfe077a9793", kill_on_drop: false }`
[INFO] [stderr]    Compiling checkstyle v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `file_contents`
[INFO] [stdout]   --> src/cs.rs:32:42
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn format_errors(std_errors: String, file_contents: &String) {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_contents`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_contents`
[INFO] [stdout]   --> src/cs.rs:41:39
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn javadoc_errors(errors: String, file_contents: &String) {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_contents`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `CSError`
[INFO] [stdout]  --> src/cs/error.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum CSError {
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "f4c10d79bb448159567c1834a345bb0d0b8cdac3bc26df62b615abfe077a9793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4c10d79bb448159567c1834a345bb0d0b8cdac3bc26df62b615abfe077a9793", kill_on_drop: false }`
[INFO] [stdout] f4c10d79bb448159567c1834a345bb0d0b8cdac3bc26df62b615abfe077a9793
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 545fe4208ace7c3597d4376156b7c161ae91658d90676f59d91964e6c4f754d2
[INFO] running `Command { std: "docker" "start" "-a" "545fe4208ace7c3597d4376156b7c161ae91658d90676f59d91964e6c4f754d2", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `file_contents`
[INFO] [stderr]   --> src/cs.rs:32:42
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub fn format_errors(std_errors: String, file_contents: &String) {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_contents`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file_contents`
[INFO] [stderr]   --> src/cs.rs:41:39
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub fn javadoc_errors(errors: String, file_contents: &String) {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_contents`
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `CSError`
[INFO] [stderr]  --> src/cs/error.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub enum CSError {
[INFO] [stderr]   |          ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `checkstyle` (bin "checkstyle" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/checkstyle-2bce74aa6bd0e4d5)
[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" "545fe4208ace7c3597d4376156b7c161ae91658d90676f59d91964e6c4f754d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "545fe4208ace7c3597d4376156b7c161ae91658d90676f59d91964e6c4f754d2", kill_on_drop: false }`
[INFO] [stdout] 545fe4208ace7c3597d4376156b7c161ae91658d90676f59d91964e6c4f754d2