[INFO] updating cached repository https://github.com/oxidizers/drdns
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 98c1153a09642c2a5d8d2ed77ef7d9429d94995a
[INFO] checking oxidizers/drdns against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Foxidizers%2Fdrdns" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oxidizers/drdns on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/oxidizers/drdns
[INFO] finished tweaking git repo https://github.com/oxidizers/drdns
[INFO] tweaked toml for git repo https://github.com/oxidizers/drdns written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/oxidizers/drdns already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8668795f9b398cc5230213ccce93efb403e68fc578ee6efd0b34881663761278
[INFO] running `"docker" "start" "-a" "8668795f9b398cc5230213ccce93efb403e68fc578ee6efd0b34881663761278"`
[INFO] [stderr]     Checking errno v0.2.3
[INFO] [stderr]     Checking drdns v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: unused comparison that must be used
[INFO] [stderr]    --> src/buffer.rs:249:13
[INFO] [stderr]     |
[INFO] [stderr] 249 |             w == 0i32;
[INFO] [stderr]     |             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:3:9
[INFO] [stderr]     |
[INFO] [stderr] 3   | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[deny(unused_must_use)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `drdns`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: unused comparison that must be used
[INFO] [stderr]    --> src/buffer.rs:249:13
[INFO] [stderr]     |
[INFO] [stderr] 249 |             w == 0i32;
[INFO] [stderr]     |             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:3:9
[INFO] [stderr]     |
[INFO] [stderr] 3   | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[deny(unused_must_use)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `drdns`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "8668795f9b398cc5230213ccce93efb403e68fc578ee6efd0b34881663761278"`
[INFO] running `"docker" "rm" "-f" "8668795f9b398cc5230213ccce93efb403e68fc578ee6efd0b34881663761278"`
[INFO] [stdout] 8668795f9b398cc5230213ccce93efb403e68fc578ee6efd0b34881663761278