[INFO] cloning repository https://github.com/ffff-official/dns-forward-over-tcp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ffff-official/dns-forward-over-tcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fffff-official%2Fdns-forward-over-tcp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fffff-official%2Fdns-forward-over-tcp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84915d12645ba24c23d287c49ce0e3a9d2dfb50a
[INFO] checking ffff-official/dns-forward-over-tcp against master#ca77504943887037504c7fc0b9bf06dab3910373 for pr-145181
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fffff-official%2Fdns-forward-over-tcp" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ffff-official/dns-forward-over-tcp
[INFO] finished tweaking git repo https://github.com/ffff-official/dns-forward-over-tcp
[INFO] tweaked toml for git repo https://github.com/ffff-official/dns-forward-over-tcp written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ffff-official/dns-forward-over-tcp on toolchain ca77504943887037504c7fc0b9bf06dab3910373
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ffff-official/dns-forward-over-tcp 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" "+ca77504943887037504c7fc0b9bf06dab3910373" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1966417874c7c8c7c5890c0120b0a123c884eda16d3dfdb8896edc2eb239db16
[INFO] running `Command { std: "docker" "start" "-a" "1966417874c7c8c7c5890c0120b0a123c884eda16d3dfdb8896edc2eb239db16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1966417874c7c8c7c5890c0120b0a123c884eda16d3dfdb8896edc2eb239db16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1966417874c7c8c7c5890c0120b0a123c884eda16d3dfdb8896edc2eb239db16", kill_on_drop: false }`
[INFO] [stdout] 1966417874c7c8c7c5890c0120b0a123c884eda16d3dfdb8896edc2eb239db16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d52433c94729fb0d986c3ddf5df65ad17f0e4a8cdb8fffdd18c28c9d7ac86f1
[INFO] running `Command { std: "docker" "start" "-a" "2d52433c94729fb0d986c3ddf5df65ad17f0e4a8cdb8fffdd18c28c9d7ac86f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking unicode-width v0.1.13
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking bytes v1.7.1
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking dns-parser v0.8.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking mio v1.0.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking simple_logger v2.3.0
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling async-trait v0.1.81
[INFO] [stderr]     Checking tokio v1.39.2
[INFO] [stderr]     Checking dns-forward-over-tcp v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `error` and `info`
[INFO] [stdout]  --> src/server.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log::{error, info, warn};
[INFO] [stdout]   |           ^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error` and `info`
[INFO] [stdout]  --> src/server.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log::{error, info, warn};
[INFO] [stdout]   |           ^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.11s
[INFO] running `Command { std: "docker" "inspect" "2d52433c94729fb0d986c3ddf5df65ad17f0e4a8cdb8fffdd18c28c9d7ac86f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d52433c94729fb0d986c3ddf5df65ad17f0e4a8cdb8fffdd18c28c9d7ac86f1", kill_on_drop: false }`
[INFO] [stdout] 2d52433c94729fb0d986c3ddf5df65ad17f0e4a8cdb8fffdd18c28c9d7ac86f1