[INFO] cloning repository https://github.com/campenr/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/campenr/dns-resolver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcampenr%2Fdns-resolver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcampenr%2Fdns-resolver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 81a1252c91b17510b86921c00df21e6bb575034a
[INFO] checking campenr/dns-resolver against try#e071e73523bfcdcab2878dbf652ac8ebb9b9eee4 for pr-144386
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcampenr%2Fdns-resolver" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/campenr/dns-resolver
[INFO] finished tweaking git repo https://github.com/campenr/dns-resolver
[INFO] tweaked toml for git repo https://github.com/campenr/dns-resolver written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/campenr/dns-resolver on toolchain e071e73523bfcdcab2878dbf652ac8ebb9b9eee4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e071e73523bfcdcab2878dbf652ac8ebb9b9eee4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/campenr/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" "+e071e73523bfcdcab2878dbf652ac8ebb9b9eee4" "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] 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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+e071e73523bfcdcab2878dbf652ac8ebb9b9eee4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d1b4036189b930cdc0dd070e848c211e3d257e4e525f803583ba1bb53e10f72
[INFO] running `Command { std: "docker" "start" "-a" "3d1b4036189b930cdc0dd070e848c211e3d257e4e525f803583ba1bb53e10f72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d1b4036189b930cdc0dd070e848c211e3d257e4e525f803583ba1bb53e10f72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d1b4036189b930cdc0dd070e848c211e3d257e4e525f803583ba1bb53e10f72", kill_on_drop: false }`
[INFO] [stdout] 3d1b4036189b930cdc0dd070e848c211e3d257e4e525f803583ba1bb53e10f72
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+e071e73523bfcdcab2878dbf652ac8ebb9b9eee4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffa748fdbeddd8f933d2890596d79de108b50fba752fd8dae23e9178685e56ef
[INFO] running `Command { std: "docker" "start" "-a" "ffa748fdbeddd8f933d2890596d79de108b50fba752fd8dae23e9178685e56ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking dns-resolver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `u32: AsRef<[u8]>` is not satisfied
[INFO] [stdout]    --> src/main.rs:26:36
[INFO] [stdout]     |
[INFO] [stdout] 26  |         let id_bytes = hex::encode(self.id);
[INFO] [stdout]     |                        ----------- ^^^^^^^ the trait `AsRef<[u8]>` is not implemented for `u32`
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `encode`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/hex-0.4.3/src/lib.rs:259:18
[INFO] [stdout]     |
[INFO] [stdout] 259 | pub fn encode<T: AsRef<[u8]>>(data: T) -> String {
[INFO] [stdout]     |                  ^^^^^^^^^^^ required by this bound in `encode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `u32: AsRef<[u8]>` is not satisfied
[INFO] [stdout]    --> src/main.rs:26:36
[INFO] [stdout]     |
[INFO] [stdout] 26  |         let id_bytes = hex::encode(self.id);
[INFO] [stdout]     |                        ----------- ^^^^^^^ the trait `AsRef<[u8]>` is not implemented for `u32`
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `encode`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/hex-0.4.3/src/lib.rs:259:18
[INFO] [stdout]     |
[INFO] [stdout] 259 | pub fn encode<T: AsRef<[u8]>>(data: T) -> String {
[INFO] [stdout]     |                  ^^^^^^^^^^^ required by this bound in `encode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dns-resolver` (bin "dns-resolver" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `dns-resolver` (bin "dns-resolver") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "ffa748fdbeddd8f933d2890596d79de108b50fba752fd8dae23e9178685e56ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffa748fdbeddd8f933d2890596d79de108b50fba752fd8dae23e9178685e56ef", kill_on_drop: false }`
[INFO] [stdout] ffa748fdbeddd8f933d2890596d79de108b50fba752fd8dae23e9178685e56ef