[INFO] cloning repository https://github.com/TiceCosmos/dprint-plugin-mesonbuild
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TiceCosmos/dprint-plugin-mesonbuild" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTiceCosmos%2Fdprint-plugin-mesonbuild", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTiceCosmos%2Fdprint-plugin-mesonbuild'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b6a18a8014a437ceb77af9be2ffac5c7e5f5431e
[INFO] checking TiceCosmos/dprint-plugin-mesonbuild against try#b0d0ea232bdae12fa8da8491a91ae1db029990ef for pr-84037
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTiceCosmos%2Fdprint-plugin-mesonbuild" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TiceCosmos/dprint-plugin-mesonbuild on toolchain b0d0ea232bdae12fa8da8491a91ae1db029990ef
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TiceCosmos/dprint-plugin-mesonbuild
[INFO] finished tweaking git repo https://github.com/TiceCosmos/dprint-plugin-mesonbuild
[INFO] tweaked toml for git repo https://github.com/TiceCosmos/dprint-plugin-mesonbuild written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/TiceCosmos/dprint-plugin-mesonbuild already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "fetch" "--locked" "--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 dprint-core v0.35.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0c4dd6169f48a35ccd160aaf0e0b52a2f153b19e2b4014a1f803a72dbcf2609b
[INFO] running `Command { std: "docker" "start" "-a" "0c4dd6169f48a35ccd160aaf0e0b52a2f153b19e2b4014a1f803a72dbcf2609b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c4dd6169f48a35ccd160aaf0e0b52a2f153b19e2b4014a1f803a72dbcf2609b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c4dd6169f48a35ccd160aaf0e0b52a2f153b19e2b4014a1f803a72dbcf2609b", kill_on_drop: false }`
[INFO] [stdout] 0c4dd6169f48a35ccd160aaf0e0b52a2f153b19e2b4014a1f803a72dbcf2609b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 31f281b72f68b51d5c6a0c59e02a209826d65739ec20bf3026f33702a7fd0fd9
[INFO] running `Command { std: "docker" "start" "-a" "31f281b72f68b51d5c6a0c59e02a209826d65739ec20bf3026f33702a7fd0fd9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking serde v1.0.123
[INFO] [stderr]     Checking dprint-core v0.35.1
[INFO] [stderr]     Checking dprint-plugin-mesonbuild v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `file_text`
[INFO] [stdout]  --> src/format_text.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn format_text(file_text: &str, config: &Configuration) -> Result<String, String> {
[INFO] [stdout]   |                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_text`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]  --> src/format_text.rs:3:37
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn format_text(file_text: &str, config: &Configuration) -> Result<String, String> {
[INFO] [stdout]   |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_text`
[INFO] [stdout]  --> src/format_text.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn format_text(file_text: &str, config: &Configuration) -> Result<String, String> {
[INFO] [stdout]   |                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_text`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]  --> src/format_text.rs:3:37
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn format_text(file_text: &str, config: &Configuration) -> Result<String, String> {
[INFO] [stdout]   |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `format_text`
[INFO] [stdout]  --> src/format_text.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn format_text(file_text: &str, config: &Configuration) -> Result<String, String> {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `format_text`
[INFO] [stdout]  --> src/format_text.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn format_text(file_text: &str, config: &Configuration) -> Result<String, String> {
[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] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.35s
[INFO] running `Command { std: "docker" "inspect" "31f281b72f68b51d5c6a0c59e02a209826d65739ec20bf3026f33702a7fd0fd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31f281b72f68b51d5c6a0c59e02a209826d65739ec20bf3026f33702a7fd0fd9", kill_on_drop: false }`
[INFO] [stdout] 31f281b72f68b51d5c6a0c59e02a209826d65739ec20bf3026f33702a7fd0fd9