[INFO] fetching crate dns-forward-over-tcp 0.2.1...
[INFO] testing dns-forward-over-tcp-0.2.1 against master#552a959051cebf8f88a8f558399baf733bec9ce0 for pr-136932
[INFO] extracting crate dns-forward-over-tcp 0.2.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate dns-forward-over-tcp 0.2.1 on toolchain 552a959051cebf8f88a8f558399baf733bec9ce0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dns-forward-over-tcp 0.2.1
[INFO] finished tweaking crates.io crate dns-forward-over-tcp 0.2.1
[INFO] tweaked toml for crates.io crate dns-forward-over-tcp 0.2.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate dns-forward-over-tcp 0.2.1 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" "+552a959051cebf8f88a8f558399baf733bec9ce0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simple_logger v2.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4df3e7ec16b19d22da3b0d03fe36e59891f6304aa94767f3ab169a220e085a64
[INFO] running `Command { std: "docker" "start" "-a" "4df3e7ec16b19d22da3b0d03fe36e59891f6304aa94767f3ab169a220e085a64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4df3e7ec16b19d22da3b0d03fe36e59891f6304aa94767f3ab169a220e085a64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4df3e7ec16b19d22da3b0d03fe36e59891f6304aa94767f3ab169a220e085a64", kill_on_drop: false }`
[INFO] [stdout] 4df3e7ec16b19d22da3b0d03fe36e59891f6304aa94767f3ab169a220e085a64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6acbe1b53d637b80c675ee1566e4a7faee2e75fe8a81eb382263d7beeac684c9
[INFO] running `Command { std: "docker" "start" "-a" "6acbe1b53d637b80c675ee1566e4a7faee2e75fe8a81eb382263d7beeac684c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling colored v2.1.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unicode-width v0.1.13
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling bytes v1.7.1
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling mio v1.0.1
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling flume v0.11.0
[INFO] [stderr]    Compiling dns-parser v0.8.0
[INFO] [stderr]    Compiling time v0.3.36
[INFO] [stderr]    Compiling simple_logger v2.3.0
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling async-trait v0.1.81
[INFO] [stderr]    Compiling tokio v1.39.2
[INFO] [stderr]    Compiling 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.39s
[INFO] running `Command { std: "docker" "inspect" "6acbe1b53d637b80c675ee1566e4a7faee2e75fe8a81eb382263d7beeac684c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6acbe1b53d637b80c675ee1566e4a7faee2e75fe8a81eb382263d7beeac684c9", kill_on_drop: false }`
[INFO] [stdout] 6acbe1b53d637b80c675ee1566e4a7faee2e75fe8a81eb382263d7beeac684c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6671ecc5c09b82526aafe175400ebd4d9afc062b54fe794b3844fe8c25eea7d
[INFO] running `Command { std: "docker" "start" "-a" "d6671ecc5c09b82526aafe175400ebd4d9afc062b54fe794b3844fe8c25eea7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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 `test` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "d6671ecc5c09b82526aafe175400ebd4d9afc062b54fe794b3844fe8c25eea7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6671ecc5c09b82526aafe175400ebd4d9afc062b54fe794b3844fe8c25eea7d", kill_on_drop: false }`
[INFO] [stdout] d6671ecc5c09b82526aafe175400ebd4d9afc062b54fe794b3844fe8c25eea7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e718d4e15cb3f07c957f5b7876d196b9966499b857d2b17525578aa93dd6804f
[INFO] running `Command { std: "docker" "start" "-a" "e718d4e15cb3f07c957f5b7876d196b9966499b857d2b17525578aa93dd6804f", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `error` and `info`
[INFO] [stderr]  --> src/server.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | use log::{error, info, warn};
[INFO] [stderr]   |           ^^^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `dns-forward-over-tcp` (lib) generated 1 warning (run `cargo fix --lib -p dns-forward-over-tcp` to apply 1 suggestion)
[INFO] [stderr] warning: `dns-forward-over-tcp` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dns_forward_over_tcp-bfac0ec090683ebe)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/dns_forward_over_tcp-228d2d2e73f3904f)
[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] [stderr]    Doc-tests dns_forward_over_tcp
[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" "e718d4e15cb3f07c957f5b7876d196b9966499b857d2b17525578aa93dd6804f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e718d4e15cb3f07c957f5b7876d196b9966499b857d2b17525578aa93dd6804f", kill_on_drop: false }`
[INFO] [stdout] e718d4e15cb3f07c957f5b7876d196b9966499b857d2b17525578aa93dd6804f