[INFO] cloning repository https://github.com/vognev/rust-dhns
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vognev/rust-dhns" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvognev%2Frust-dhns", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvognev%2Frust-dhns'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c6236b0686e493a3510176dc22f16a97c24ac18
[INFO] checking vognev/rust-dhns against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvognev%2Frust-dhns" "/workspace/builds/worker-95/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-95/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vognev/rust-dhns on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vognev/rust-dhns
[INFO] finished tweaking git repo https://github.com/vognev/rust-dhns
[INFO] tweaked toml for git repo https://github.com/vognev/rust-dhns written to /workspace/builds/worker-95/source/Cargo.toml
[INFO] crate git repo https://github.com/vognev/rust-dhns already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08ab8b5c35544ecfa29052abaa298229ce6501659baa174e5af59b4676da678e
[INFO] running `Command { std: "docker" "start" "-a" "08ab8b5c35544ecfa29052abaa298229ce6501659baa174e5af59b4676da678e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08ab8b5c35544ecfa29052abaa298229ce6501659baa174e5af59b4676da678e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08ab8b5c35544ecfa29052abaa298229ce6501659baa174e5af59b4676da678e", kill_on_drop: false }`
[INFO] [stdout] 08ab8b5c35544ecfa29052abaa298229ce6501659baa174e5af59b4676da678e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d108a1b7d78309f6a5a962981539a6261d38ec607f0cfcc48513b15a66133626
[INFO] running `Command { std: "docker" "start" "-a" "d108a1b7d78309f6a5a962981539a6261d38ec607f0cfcc48513b15a66133626", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking utils v0.1.0 (/opt/rustwide/workdir/crate-utils)
[INFO] [stderr]     Checking json v0.1.0 (/opt/rustwide/workdir/crate-json)
[INFO] [stderr]     Checking docker v0.1.0 (/opt/rustwide/workdir/crate-docker)
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking dns v0.1.0 (/opt/rustwide/workdir/crate-dns)
[INFO] [stdout] warning: field is never read: `proto`
[INFO] [stdout]   --> crate-dns/src/client/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     proto: Protocol,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `proto`
[INFO] [stdout]   --> crate-dns/src/client/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     proto: Protocol,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking dhns v0.1.0 (/opt/rustwide/workdir/crate-dhns)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.49s
[INFO] running `Command { std: "docker" "inspect" "d108a1b7d78309f6a5a962981539a6261d38ec607f0cfcc48513b15a66133626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d108a1b7d78309f6a5a962981539a6261d38ec607f0cfcc48513b15a66133626", kill_on_drop: false }`
[INFO] [stdout] d108a1b7d78309f6a5a962981539a6261d38ec607f0cfcc48513b15a66133626