[INFO] crate rpc-perf 2.0.3 is already in cache
[INFO] extracting crate rpc-perf 2.0.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/rpc-perf/2.0.3
[INFO] extracting crate rpc-perf 2.0.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rpc-perf/2.0.3
[INFO] validating manifest of rpc-perf-2.0.3 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 rpc-perf-2.0.3 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 rpc-perf-2.0.3
[INFO] finished frobbing rpc-perf-2.0.3
[INFO] frobbed toml for rpc-perf-2.0.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rpc-perf/2.0.3/Cargo.toml
[INFO] started frobbing rpc-perf-2.0.3
[INFO] finished frobbing rpc-perf-2.0.3
[INFO] frobbed toml for rpc-perf-2.0.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rpc-perf/2.0.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 rpc-perf-2.0.3 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/reg/rpc-perf/2.0.3:/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] 6805c5af2d640f6dc17c84883d2748823d93744ae6e348d1929e66639eac394a
[INFO] running `"docker" "start" "-a" "6805c5af2d640f6dc17c84883d2748823d93744ae6e348d1929e66639eac394a"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling byteorder v0.4.2
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling odds v0.2.26
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling lodepng v0.5.3
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling histogram v0.6.9
[INFO] [stderr]    Compiling c_vec v1.0.12
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling ascii v0.7.1
[INFO] [stderr]    Compiling hsl v0.1.1
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling chunked_transfer v0.3.1
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling mpmc v0.1.2
[INFO] [stderr]    Compiling getopts v0.2.14
[INFO] [stderr]    Compiling shuteye v0.2.0
[INFO] [stderr]    Compiling bytes v0.3.0
[INFO] [stderr]    Compiling lazycell v0.4.0
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr] error[E0503]: cannot use `state` because it was mutably borrowed
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.14/src/lib.rs:1008:33
[INFO] [stderr]      |
[INFO] [stderr] 955  |     let mut machine = |cont: &mut bool, (i, c): (usize, char)| {
[INFO] [stderr]      |                       ---------------------------------------- borrow of `state` occurs here
[INFO] [stderr] ...
[INFO] [stderr] 959  |         state = match (state, whitespace, limit) {
[INFO] [stderr]      |                        ----- borrow occurs due to use of `state` in closure
[INFO] [stderr] ...
[INFO] [stderr] 1008 |     while cont && match state { B | C => true, A => false } {
[INFO] [stderr]      |                                 ^ use of borrowed `state`
[INFO] [stderr] 1009 |         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]    Compiling encoding-index-japanese v1.20141219.5
[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" "6805c5af2d640f6dc17c84883d2748823d93744ae6e348d1929e66639eac394a"`
[INFO] running `"docker" "rm" "-f" "6805c5af2d640f6dc17c84883d2748823d93744ae6e348d1929e66639eac394a"`
[INFO] [stdout] 6805c5af2d640f6dc17c84883d2748823d93744ae6e348d1929e66639eac394a