[INFO] cloning repository https://github.com/james-o-johnstone/rust-dns-in-a-weekend
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/james-o-johnstone/rust-dns-in-a-weekend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjames-o-johnstone%2Frust-dns-in-a-weekend", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjames-o-johnstone%2Frust-dns-in-a-weekend'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0773e6dda826cbd98558b551429781a79f5c5d84
[INFO] building james-o-johnstone/rust-dns-in-a-weekend against try#9a3ef2cd3ecaae3c6ef59768612837d797602a6d for pr-137044-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjames-o-johnstone%2Frust-dns-in-a-weekend" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/james-o-johnstone/rust-dns-in-a-weekend on toolchain 9a3ef2cd3ecaae3c6ef59768612837d797602a6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/james-o-johnstone/rust-dns-in-a-weekend
[INFO] finished tweaking git repo https://github.com/james-o-johnstone/rust-dns-in-a-weekend
[INFO] tweaked toml for git repo https://github.com/james-o-johnstone/rust-dns-in-a-weekend written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/james-o-johnstone/rust-dns-in-a-weekend 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" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec034230cc3e35a658bf154777ae3fce497a683502f8b4da126bd063ec5106d1
[INFO] running `Command { std: "docker" "start" "-a" "ec034230cc3e35a658bf154777ae3fce497a683502f8b4da126bd063ec5106d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec034230cc3e35a658bf154777ae3fce497a683502f8b4da126bd063ec5106d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec034230cc3e35a658bf154777ae3fce497a683502f8b4da126bd063ec5106d1", kill_on_drop: false }`
[INFO] [stdout] ec034230cc3e35a658bf154777ae3fce497a683502f8b4da126bd063ec5106d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89aa63e6a18fefeb80c6a36efd89a4b2774eb3c4344369822095591dd7c5efef
[INFO] running `Command { std: "docker" "start" "-a" "89aa63e6a18fefeb80c6a36efd89a4b2774eb3c4344369822095591dd7c5efef", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling struct_bytes_derive v0.1.0 (/opt/rustwide/workdir/struct_bytes_derive)
[INFO] [stderr]    Compiling struct_bytes v0.1.0 (/opt/rustwide/workdir/struct_bytes)
[INFO] [stderr]    Compiling rust-dns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `RECURSION_DESIRED` should have a snake case name
[INFO] [stdout]   --> src/main.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let RECURSION_DESIRED = 1 << 8;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `recursion_desired`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.13s
[INFO] running `Command { std: "docker" "inspect" "89aa63e6a18fefeb80c6a36efd89a4b2774eb3c4344369822095591dd7c5efef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89aa63e6a18fefeb80c6a36efd89a4b2774eb3c4344369822095591dd7c5efef", kill_on_drop: false }`
[INFO] [stdout] 89aa63e6a18fefeb80c6a36efd89a4b2774eb3c4344369822095591dd7c5efef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2f6d046b9408053dab42ad9e1332444753e99060e6ef3168ee7659fa1c1cff7
[INFO] running `Command { std: "docker" "start" "-a" "c2f6d046b9408053dab42ad9e1332444753e99060e6ef3168ee7659fa1c1cff7", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-dns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `RECURSION_DESIRED` should have a snake case name
[INFO] [stdout]   --> src/main.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let RECURSION_DESIRED = 1 << 8;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `recursion_desired`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "c2f6d046b9408053dab42ad9e1332444753e99060e6ef3168ee7659fa1c1cff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2f6d046b9408053dab42ad9e1332444753e99060e6ef3168ee7659fa1c1cff7", kill_on_drop: false }`
[INFO] [stdout] c2f6d046b9408053dab42ad9e1332444753e99060e6ef3168ee7659fa1c1cff7