[INFO] cloning repository https://github.com/dzania/toy-dns-resolver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dzania/toy-dns-resolver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzania%2Ftoy-dns-resolver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzania%2Ftoy-dns-resolver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc6e3904a3605edc86f09fe715146a659b2b2763
[INFO] checking dzania/toy-dns-resolver against 1.95.0-beta.7 for beta-1.95-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzania%2Ftoy-dns-resolver" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dzania/toy-dns-resolver
[INFO] finished tweaking git repo https://github.com/dzania/toy-dns-resolver
[INFO] tweaked toml for git repo https://github.com/dzania/toy-dns-resolver written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dzania/toy-dns-resolver on toolchain 1.95.0-beta.7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0-beta.7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dzania/toy-dns-resolver 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" "+1.95.0-beta.7" "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 dzania/toy-dns-resolver against 1.95.0-beta.7 for beta-1.95-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzania%2Ftoy-dns-resolver" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dzania/toy-dns-resolver
[INFO] finished tweaking git repo https://github.com/dzania/toy-dns-resolver
[INFO] tweaked toml for git repo https://github.com/dzania/toy-dns-resolver written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dzania/toy-dns-resolver on toolchain 1.95.0-beta.7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0-beta.7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dzania/toy-dns-resolver 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" "+1.95.0-beta.7" "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 unicode-ident v1.0.23
[INFO] [stderr]   Downloaded zerocopy v0.8.39
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.39
[INFO] [stderr]   Downloaded syn v2.0.115
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0-beta.7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06d8e44b203bedb865ce0e5b5128615a45877cc569a919ff382e76cb5b66a644
[INFO] running `Command { std: "docker" "start" "-a" "06d8e44b203bedb865ce0e5b5128615a45877cc569a919ff382e76cb5b66a644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06d8e44b203bedb865ce0e5b5128615a45877cc569a919ff382e76cb5b66a644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06d8e44b203bedb865ce0e5b5128615a45877cc569a919ff382e76cb5b66a644", kill_on_drop: false }`
[INFO] [stdout] 06d8e44b203bedb865ce0e5b5128615a45877cc569a919ff382e76cb5b66a644
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0-beta.7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 142ade8a2d89d2c6f43c89c871d56b5273cb36e4233dcd7c389e60752e95c8c8
[INFO] running `Command { std: "docker" "start" "-a" "142ade8a2d89d2c6f43c89c871d56b5273cb36e4233dcd7c389e60752e95c8c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling zerocopy v0.8.39
[INFO] [stderr]     Checking rand_core v0.9.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking toy-dns-resolver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `TYPE_A` is never used
[INFO] [stdout]  --> src/query.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const TYPE_A: u8 = 1;
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TYPE_A` is never used
[INFO] [stdout]  --> src/query.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const TYPE_A: u8 = 1;
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.93s
[INFO] running `Command { std: "docker" "inspect" "142ade8a2d89d2c6f43c89c871d56b5273cb36e4233dcd7c389e60752e95c8c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "142ade8a2d89d2c6f43c89c871d56b5273cb36e4233dcd7c389e60752e95c8c8", kill_on_drop: false }`
[INFO] [stdout] 142ade8a2d89d2c6f43c89c871d56b5273cb36e4233dcd7c389e60752e95c8c8