[INFO] cloning repository mitsuhiko/qq
[INFO] running `"git" "clone" "--bare" "git://github.com/mitsuhiko/qq.git" "work/cache/sources/gh/mitsuhiko/qq"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/mitsuhiko/qq'...
[INFO] running `"git" "clone" "work/cache/sources/gh/mitsuhiko/qq" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/mitsuhiko/qq"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/mitsuhiko/qq'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mitsuhiko/qq" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/mitsuhiko/qq"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/mitsuhiko/qq'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b2323ed7a929a179f9ea26f537e961a2e6f80107
[INFO] sha for GitHub repo mitsuhiko/qq: b2323ed7a929a179f9ea26f537e961a2e6f80107
[INFO] validating manifest of mitsuhiko/qq on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mitsuhiko/qq on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mitsuhiko/qq
[INFO] finished frobbing mitsuhiko/qq
[INFO] frobbed toml for mitsuhiko/qq written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/mitsuhiko/qq/Cargo.toml
[INFO] started frobbing mitsuhiko/qq
[INFO] finished frobbing mitsuhiko/qq
[INFO] frobbed toml for mitsuhiko/qq written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/mitsuhiko/qq/Cargo.toml
[INFO] crate mitsuhiko/qq already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating git repository `https://github.com/mitsuhiko/serde-value`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mitsuhiko/qq against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/mitsuhiko/qq:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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=forbid" "-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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1dd7f61a11572718bdc9d3964436975eb81b4d2e10309787fb151392371c00da
[INFO] running `"docker" "start" "-a" "1dd7f61a11572718bdc9d3964436975eb81b4d2e10309787fb151392371c00da"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.25
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking serde_yaml v0.8.8
[INFO] [stderr]     Checking serde-value v0.5.3 (https://github.com/mitsuhiko/serde-value?rev=3767089d736480264c7e4fc7a9ca6a1aea65a0e4#3767089d)
[INFO] [stderr]     Checking serde_json v1.0.36
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking structopt v0.2.14
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking qq v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]  --> <::clap::macros::_clap_count_exprs macros>:2:38
[INFO] [stderr]   |
[INFO] [stderr] 1 | (  ) => { 0 } ; ( $ e : expr ) => { 1 } ; ( $ e : expr , $ ( $ es : expr ) , +
[INFO] [stderr]   |                                                                              - expected repetition
[INFO] [stderr] 2 | ) => { 1 + _clap_count_exprs ! ( $ ( $ es ) , * ) } ;
[INFO] [stderr]   |                                      ^^^^     - conflicting repetition
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[deny(meta_variable_misuse)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]  --> <::clap::macros::_clap_count_exprs macros>:2:38
[INFO] [stderr]   |
[INFO] [stderr] 1 | (  ) => { 0 } ; ( $ e : expr ) => { 1 } ; ( $ e : expr , $ ( $ es : expr ) , +
[INFO] [stderr]   |                                                                              - expected repetition
[INFO] [stderr] 2 | ) => { 1 + _clap_count_exprs ! ( $ ( $ es ) , * ) } ;
[INFO] [stderr]   |                                      ^^^^     - conflicting repetition
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[deny(meta_variable_misuse)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `qq`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `qq`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1dd7f61a11572718bdc9d3964436975eb81b4d2e10309787fb151392371c00da"`
[INFO] running `"docker" "rm" "-f" "1dd7f61a11572718bdc9d3964436975eb81b4d2e10309787fb151392371c00da"`
[INFO] [stdout] 1dd7f61a11572718bdc9d3964436975eb81b4d2e10309787fb151392371c00da