[INFO] updating cached repository https://github.com/sjbaker47/rust-nslookup
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 1ae35cc62e1c2401b077b320cb2d3404b02b40cb
[INFO] checking sjbaker47/rust-nslookup against nightly-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjbaker47%2Frust-nslookup" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sjbaker47/rust-nslookup on toolchain nightly-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+nightly-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/sjbaker47/rust-nslookup
[INFO] finished tweaking git repo https://github.com/sjbaker47/rust-nslookup
[INFO] tweaked toml for git repo https://github.com/sjbaker47/rust-nslookup written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/sjbaker47/rust-nslookup already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+nightly-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-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" "+nightly-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9e623274ddb8167fd49b545728f19dcafab51b870659dbd8771a53eb9e50cd4a
[INFO] running `"docker" "start" "-a" "9e623274ddb8167fd49b545728f19dcafab51b870659dbd8771a53eb9e50cd4a"`
[INFO] [stderr]     Checking nslookup v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Cursor`
[INFO] [stderr]    --> src/protocol/name.rs:114:40
[INFO] [stderr]     |
[INFO] [stderr] 114 |     let decoded = decode_name_rdr(&mut Cursor::new(&buf)).unwrap();
[INFO] [stderr]     |                                        ^^^^^^ use of undeclared type or module `Cursor`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Cursor`
[INFO] [stderr]    --> src/protocol/name.rs:119:40
[INFO] [stderr]     |
[INFO] [stderr] 119 |     let decoded = decode_name_rdr(&mut Cursor::new(&buf)).unwrap();
[INFO] [stderr]     |                                        ^^^^^^ use of undeclared type or module `Cursor`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `decode_name` in this scope
[INFO] [stderr]    --> src/protocol/name.rs:101:19
[INFO] [stderr]     |
[INFO] [stderr] 101 |     let decoded = decode_name(&buf);
[INFO] [stderr]     |                   ^^^^^^^^^^^ help: a function with a similar name exists: `encode_name`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `decode_name` in this scope
[INFO] [stderr]    --> src/protocol/name.rs:106:19
[INFO] [stderr]     |
[INFO] [stderr] 106 |     let decoded = decode_name(&buf);
[INFO] [stderr]     |                   ^^^^^^^^^^^ help: a function with a similar name exists: `encode_name`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `nslookup`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "9e623274ddb8167fd49b545728f19dcafab51b870659dbd8771a53eb9e50cd4a"`
[INFO] running `"docker" "rm" "-f" "9e623274ddb8167fd49b545728f19dcafab51b870659dbd8771a53eb9e50cd4a"`
[INFO] [stdout] 9e623274ddb8167fd49b545728f19dcafab51b870659dbd8771a53eb9e50cd4a