[INFO] updating cached repository https://github.com/slyphon/cdb_rs
[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] 5c6a484b2596d07875090597de781d72f203187f
[INFO] checking slyphon/cdb_rs against beta-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslyphon%2Fcdb_rs" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/slyphon/cdb_rs on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/slyphon/cdb_rs
[INFO] finished tweaking git repo https://github.com/slyphon/cdb_rs
[INFO] tweaked toml for git repo https://github.com/slyphon/cdb_rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/slyphon/cdb_rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-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] 6efa41aae5342e86df05ba77308cc3b1694fce25444d9ec33a7fdc55e48a12df
[INFO] running `"docker" "start" "-a" "6efa41aae5342e86df05ba77308cc3b1694fce25444d9ec33a7fdc55e48a12df"`
[INFO] [stderr]     Checking rand v0.5.1
[INFO] [stderr]     Checking cdb_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/cdb/input.rs:144:56
[INFO] [stderr]     |
[INFO] [stderr] 144 |         let recs: Vec<Result<KV, WriterError>> = parse(&mut br).collect();
[INFO] [stderr]     |                                                        ^^^^^^^ expected struct `std::fs::File`, found struct `std::io::BufReader`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `&mut std::fs::File`
[INFO] [stderr]                found type `&mut std::io::BufReader<bytes::Reader<std::io::Cursor<bytes::Bytes>>>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `cdb_rs`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "6efa41aae5342e86df05ba77308cc3b1694fce25444d9ec33a7fdc55e48a12df"`
[INFO] running `"docker" "rm" "-f" "6efa41aae5342e86df05ba77308cc3b1694fce25444d9ec33a7fdc55e48a12df"`
[INFO] [stdout] 6efa41aae5342e86df05ba77308cc3b1694fce25444d9ec33a7fdc55e48a12df