[INFO] updating cached repository carllerche/minidb
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/carllerche/minidb
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/carllerche/minidb" "work/ex/beta-1.38-1/sources/1.37.0/gh/carllerche/minidb"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/carllerche/minidb'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/carllerche/minidb" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/carllerche/minidb"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/carllerche/minidb'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 43d80944bdda1d927ebae55cc08624271b4acfb1
[INFO] sha for GitHub repo carllerche/minidb: 43d80944bdda1d927ebae55cc08624271b4acfb1
[INFO] validating manifest of carllerche/minidb on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of carllerche/minidb on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing carllerche/minidb
[INFO] finished frobbing carllerche/minidb
[INFO] frobbed toml for carllerche/minidb written to work/ex/beta-1.38-1/sources/1.37.0/gh/carllerche/minidb/Cargo.toml
[INFO] started frobbing carllerche/minidb
[INFO] finished frobbing carllerche/minidb
[INFO] frobbed toml for carllerche/minidb written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/carllerche/minidb/Cargo.toml
[INFO] crate carllerche/minidb already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing carllerche/minidb against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/carllerche/minidb:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 63ff200a2e3a4a3bebc86dd1cbd5c896a5fde60b430846e732df3339dbd560be
[INFO] running `"docker" "start" "-a" "63ff200a2e3a4a3bebc86dd1cbd5c896a5fde60b430846e732df3339dbd560be"`
[INFO] [stderr]    Compiling strsim v0.5.1
[INFO] [stderr]    Compiling rustc-serialize v0.3.19
[INFO] [stderr]    Compiling futures v0.1.3
[INFO] [stderr]    Compiling buffoon v0.5.0 (https://github.com/carllerche/buffoon#93c022ee)
[INFO] [stderr]    Compiling bytes v0.4.0-dev (https://github.com/carllerche/bytes#d717fde5)
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr] error[E0642]: patterns aren't allowed in methods without bodies
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.19/src/serialize.rs:147:45
[INFO] [stderr]     |
[INFO] [stderr] 147 |                                             &f_name: &str,
[INFO] [stderr]     |                                             ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling regex v0.1.77
[INFO] [stderr]    Compiling tokio-service v0.1.0 (https://github.com/tokio-rs/tokio-service#92eccdc1)
[INFO] [stderr]    Compiling tokio-timer v0.1.0 (https://github.com/tokio-rs/tokio-timer#4acaed62)
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0642`.
[INFO] [stderr] error: Could not compile `rustc-serialize`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "63ff200a2e3a4a3bebc86dd1cbd5c896a5fde60b430846e732df3339dbd560be"`
[INFO] running `"docker" "rm" "-f" "63ff200a2e3a4a3bebc86dd1cbd5c896a5fde60b430846e732df3339dbd560be"`
[INFO] [stdout] 63ff200a2e3a4a3bebc86dd1cbd5c896a5fde60b430846e732df3339dbd560be