[INFO] updating cached repository lazau/rust-irc-server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lazau/rust-irc-server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lazau/rust-irc-server" "work/ex/beta-1.38-1/sources/1.37.0/gh/lazau/rust-irc-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/lazau/rust-irc-server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lazau/rust-irc-server" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lazau/rust-irc-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lazau/rust-irc-server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fcf8328c55a577e859f41701f11cc3abb2288b2c
[INFO] sha for GitHub repo lazau/rust-irc-server: fcf8328c55a577e859f41701f11cc3abb2288b2c
[INFO] validating manifest of lazau/rust-irc-server 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 lazau/rust-irc-server 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 lazau/rust-irc-server
[INFO] finished frobbing lazau/rust-irc-server
[INFO] frobbed toml for lazau/rust-irc-server written to work/ex/beta-1.38-1/sources/1.37.0/gh/lazau/rust-irc-server/Cargo.toml
[INFO] started frobbing lazau/rust-irc-server
[INFO] finished frobbing lazau/rust-irc-server
[INFO] frobbed toml for lazau/rust-irc-server written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lazau/rust-irc-server/Cargo.toml
[INFO] crate lazau/rust-irc-server 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 lazau/rust-irc-server 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-7/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/lazau/rust-irc-server:/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] 60f665e87463ce8ee0de6d232883c28cc558948ddf578072a87936a1c084f919
[INFO] running `"docker" "start" "-a" "60f665e87463ce8ee0de6d232883c28cc558948ddf578072a87936a1c084f919"`
[INFO] [stderr]    Compiling futures v0.1.17
[INFO] [stderr]    Compiling lazycell v0.5.1
[INFO] [stderr]    Compiling num-traits v0.1.40
[INFO] [stderr]    Compiling lazy_static v0.2.9
[INFO] [stderr]    Compiling scoped-tls v0.1.0
[INFO] [stderr]    Compiling slab v0.4.0
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling regex-syntax v0.4.1
[INFO] [stderr]    Compiling serde v1.0.21
[INFO] [stderr]    Compiling linked-hash-map v0.5.0
[INFO] [stderr]    Compiling httparse v1.2.3
[INFO] [stderr]    Compiling pest v0.3.3
[INFO] [stderr]    Compiling quick-error v1.2.1
[INFO] [stderr]    Compiling getopts v0.2.15
[INFO] [stderr]    Compiling iovec v0.1.1
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr] error[E0503]: cannot use `state` because it was mutably borrowed
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.15/src/lib.rs:1033:33
[INFO] [stderr]      |
[INFO] [stderr] 978  |     let mut machine = |cont: &mut bool, (i, c): (usize, char)| {
[INFO] [stderr]      |                       ---------------------------------------- borrow of `state` occurs here
[INFO] [stderr] ...
[INFO] [stderr] 982  |         state = match (state, whitespace, limit) {
[INFO] [stderr]      |                        ----- borrow occurs due to use of `state` in closure
[INFO] [stderr] ...
[INFO] [stderr] 1033 |     while cont && match state { B | C => true, A => false } {
[INFO] [stderr]      |                                 ^ use of borrowed `state`
[INFO] [stderr] 1034 |         machine(&mut cont, (fake_i, ' '));
[INFO] [stderr]      |         ------- borrow later used here
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0503`.
[INFO] [stderr] error: Could not compile `getopts`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "60f665e87463ce8ee0de6d232883c28cc558948ddf578072a87936a1c084f919"`
[INFO] running `"docker" "rm" "-f" "60f665e87463ce8ee0de6d232883c28cc558948ddf578072a87936a1c084f919"`
[INFO] [stdout] 60f665e87463ce8ee0de6d232883c28cc558948ddf578072a87936a1c084f919