[INFO] cloning repository https://github.com/YZYKKL/dns-server-rest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/YZYKKL/dns-server-rest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYZYKKL%2Fdns-server-rest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYZYKKL%2Fdns-server-rest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eac6e0a5f0f7528ab73d410691d3d0242d3cb8e5
[INFO] checking YZYKKL/dns-server-rest against try#a7b168ac4977e8e93a43448b44847adaa305d5a9 for pr-150557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYZYKKL%2Fdns-server-rest" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/YZYKKL/dns-server-rest
[INFO] finished tweaking git repo https://github.com/YZYKKL/dns-server-rest
[INFO] tweaked toml for git repo https://github.com/YZYKKL/dns-server-rest written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/YZYKKL/dns-server-rest on toolchain a7b168ac4977e8e93a43448b44847adaa305d5a9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/YZYKKL/dns-server-rest already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking YZYKKL/dns-server-rest against try#a7b168ac4977e8e93a43448b44847adaa305d5a9 for pr-150557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYZYKKL%2Fdns-server-rest" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/YZYKKL/dns-server-rest
[INFO] finished tweaking git repo https://github.com/YZYKKL/dns-server-rest
[INFO] tweaked toml for git repo https://github.com/YZYKKL/dns-server-rest written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/YZYKKL/dns-server-rest on toolchain a7b168ac4977e8e93a43448b44847adaa305d5a9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/YZYKKL/dns-server-rest already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "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 syn v1.0.48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9cb08ce248f726c82eb4b33d38e9d07e37d1f479fcaaafd6784fa16a0ba87e3e
[INFO] running `Command { std: "docker" "start" "-a" "9cb08ce248f726c82eb4b33d38e9d07e37d1f479fcaaafd6784fa16a0ba87e3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cb08ce248f726c82eb4b33d38e9d07e37d1f479fcaaafd6784fa16a0ba87e3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cb08ce248f726c82eb4b33d38e9d07e37d1f479fcaaafd6784fa16a0ba87e3e", kill_on_drop: false }`
[INFO] [stdout] 9cb08ce248f726c82eb4b33d38e9d07e37d1f479fcaaafd6784fa16a0ba87e3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f0380465df58b31094e38bbdc9cc68604557e87c65842e80f73dfcd5975846d
[INFO] running `Command { std: "docker" "start" "-a" "9f0380465df58b31094e38bbdc9cc68604557e87c65842e80f73dfcd5975846d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]     Checking thiserror v1.0.38
[INFO] [stderr]     Checking dns-starter-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/main.rs:286:9
[INFO] [stdout]     |
[INFO] [stdout] 286 |     let args: Vec<String> = env::args().collect();
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/main.rs:286:9
[INFO] [stdout]     |
[INFO] [stdout] 286 |     let args: Vec<String> = env::args().collect();
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.20s
[INFO] running `Command { std: "docker" "inspect" "9f0380465df58b31094e38bbdc9cc68604557e87c65842e80f73dfcd5975846d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f0380465df58b31094e38bbdc9cc68604557e87c65842e80f73dfcd5975846d", kill_on_drop: false }`
[INFO] [stdout] 9f0380465df58b31094e38bbdc9cc68604557e87c65842e80f73dfcd5975846d