[INFO] cloning repository Whazor/model_checker
[INFO] running `"git" "clone" "--bare" "git://github.com/Whazor/model_checker.git" "work/cache/sources/gh/Whazor/model_checker"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Whazor/model_checker'...
[INFO] running `"git" "clone" "work/cache/sources/gh/Whazor/model_checker" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Whazor/model_checker"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Whazor/model_checker'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Whazor/model_checker" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Whazor/model_checker"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Whazor/model_checker'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 06314d0de90dd54fbda0603da0745a240d37f07a
[INFO] sha for GitHub repo Whazor/model_checker: 06314d0de90dd54fbda0603da0745a240d37f07a
[INFO] validating manifest of Whazor/model_checker 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 Whazor/model_checker 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 Whazor/model_checker
[INFO] finished frobbing Whazor/model_checker
[INFO] frobbed toml for Whazor/model_checker written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Whazor/model_checker/Cargo.toml
[INFO] started frobbing Whazor/model_checker
[INFO] finished frobbing Whazor/model_checker
[INFO] frobbed toml for Whazor/model_checker written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Whazor/model_checker/Cargo.toml
[INFO] crate Whazor/model_checker 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]  Downloading crates ...
[INFO] [stderr]   Downloaded boolean_expression v0.3.0
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Whazor/model_checker against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-4/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Whazor/model_checker:/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0b9cc3cc747691e612f9fb0f991fbec398c5c00e31879048e6cf49dfde6e688a
[INFO] running `"docker" "start" "-a" "0b9cc3cc747691e612f9fb0f991fbec398c5c00e31879048e6cf49dfde6e688a"`
[INFO] [stderr]    Compiling peg v0.5.1
[INFO] [stderr]     Checking boolean_expression v0.3.0
[INFO] [stderr]     Checking num-bigint v0.1.37
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stderr]     Checking rustyline v1.0.0 (https://github.com/kkawakam/rustyline#ec773db5)
[INFO] [stderr]     Checking regex v0.2.1
[INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::string::String: std::convert::AsRef<_>`
[INFO] [stderr]     --> /opt/crater/cargo-home/git/checkouts/rustyline-98638c01accab86a/ec773db/src/lib.rs:1163:49
[INFO] [stderr]      |
[INFO] [stderr] 1163 |                 self.editor.add_history_entry(l.as_ref()); // TODO Validate
[INFO] [stderr]      |                                                 ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0283`.
[INFO] [stderr] error: Could not compile `rustyline`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "0b9cc3cc747691e612f9fb0f991fbec398c5c00e31879048e6cf49dfde6e688a"`
[INFO] running `"docker" "rm" "-f" "0b9cc3cc747691e612f9fb0f991fbec398c5c00e31879048e6cf49dfde6e688a"`
[INFO] [stdout] 0b9cc3cc747691e612f9fb0f991fbec398c5c00e31879048e6cf49dfde6e688a