[INFO] cloning repository https://github.com/Bfault/my_rust_dns
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bfault/my_rust_dns" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBfault%2Fmy_rust_dns", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBfault%2Fmy_rust_dns'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 543815fb904c967bd1b19268646c354c54ca554d
[INFO] checking Bfault/my_rust_dns against try#9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 for pr-129249
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBfault%2Fmy_rust_dns" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Bfault/my_rust_dns on toolchain 9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Bfault/my_rust_dns
[INFO] finished tweaking git repo https://github.com/Bfault/my_rust_dns
[INFO] tweaked toml for git repo https://github.com/Bfault/my_rust_dns written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Bfault/my_rust_dns 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" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca22b2c49fe707a0feb402f7fe631676845964a9dd2640ba53b231c08b44e159
[INFO] running `Command { std: "docker" "start" "-a" "ca22b2c49fe707a0feb402f7fe631676845964a9dd2640ba53b231c08b44e159", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca22b2c49fe707a0feb402f7fe631676845964a9dd2640ba53b231c08b44e159", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca22b2c49fe707a0feb402f7fe631676845964a9dd2640ba53b231c08b44e159", kill_on_drop: false }`
[INFO] [stdout] ca22b2c49fe707a0feb402f7fe631676845964a9dd2640ba53b231c08b44e159
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4512f3fe6d26fd12e63f4c27bb107e4cb51f23d6de9088465762331e4845213b
[INFO] running `Command { std: "docker" "start" "-a" "4512f3fe6d26fd12e63f4c27bb107e4cb51f23d6de9088465762331e4845213b", kill_on_drop: false }`
[INFO] [stderr]     Checking my_dns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this conversion is useless `u8` to `u8`
[INFO] [stdout]   --> src/rescode.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 |         match num.into() {
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `u8` to `u8`
[INFO] [stdout]   --> src/rescode.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 |         match num.into() {
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `my_dns` (bin "my_dns") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `my_dns` (bin "my_dns" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "4512f3fe6d26fd12e63f4c27bb107e4cb51f23d6de9088465762331e4845213b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4512f3fe6d26fd12e63f4c27bb107e4cb51f23d6de9088465762331e4845213b", kill_on_drop: false }`
[INFO] [stdout] 4512f3fe6d26fd12e63f4c27bb107e4cb51f23d6de9088465762331e4845213b