[INFO] updating cached repository https://github.com/pemistahl/grex
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/pemistahl/grex
[INFO] [stderr]    9269626..1d6a523  v1.1.0-wip -> v1.1.0-wip
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] efd6b3ffcdf9d48906f8d679333c82a1983e2ce4
[INFO] checking pemistahl/grex against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpemistahl%2Fgrex" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pemistahl/grex on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/pemistahl/grex
[INFO] finished tweaking git repo https://github.com/pemistahl/grex
[INFO] tweaked toml for git repo https://github.com/pemistahl/grex written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/pemistahl/grex already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2814c53d487150d7107f29b6f19da36794581d31e067b5a52fcfd9792bba6b51
[INFO] running `"docker" "start" "-a" "2814c53d487150d7107f29b6f19da36794581d31e067b5a52fcfd9792bba6b51"`
[INFO] [stderr]    Compiling escargot v0.5.0
[INFO] [stderr]     Checking linked-list v0.0.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]     Checking unic-ucd-category v0.9.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking colored v1.9.2
[INFO] [stderr]    Compiling rstest v0.5.3
[INFO] [stderr]     Checking float-cmp v0.5.3
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking ndarray v0.13.0
[INFO] [stderr]     Checking petgraph v0.5.0
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]     Checking predicates v1.0.2
[INFO] [stderr]     Checking proptest v0.9.5
[INFO] [stderr] error[E0495]: cannot infer an appropriate lifetime for lifetime parameter `'a` due to conflicting requirements
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.9.5/src/arbitrary/_core/iter.rs:47:23
[INFO] [stderr]    |
[INFO] [stderr] 47 |         base.prop_map(Iterator::cloned).boxed()
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: first, the lifetime cannot outlive the lifetime `'a` as defined on the impl at 36:9...
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.9.5/src/arbitrary/_core/iter.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |         'a,
[INFO] [stderr]    |         ^^
[INFO] [stderr] note: ...so that the types are compatible
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.9.5/src/arbitrary/_core/iter.rs:47:23
[INFO] [stderr]    |
[INFO] [stderr] 47 |         base.prop_map(Iterator::cloned).boxed()
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^
[INFO] [stderr]    = note: expected  `&'a T`
[INFO] [stderr]               found  `&T`
[INFO] [stderr]    = note: but, the lifetime must be valid for the static lifetime...
[INFO] [stderr] note: ...so that the type `strategy::map::Map<S, fn(A) -> core::iter::Cloned<A> {<A as core::iter::Iterator>::cloned::<'_, T>}>` will meet its required lifetime bounds
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.9.5/src/arbitrary/_core/iter.rs:47:41
[INFO] [stderr]    |
[INFO] [stderr] 47 |         base.prop_map(Iterator::cloned).boxed()
[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 E0495`.
[INFO] [stderr] error: could not compile `proptest`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "2814c53d487150d7107f29b6f19da36794581d31e067b5a52fcfd9792bba6b51"`
[INFO] running `"docker" "rm" "-f" "2814c53d487150d7107f29b6f19da36794581d31e067b5a52fcfd9792bba6b51"`
[INFO] [stdout] 2814c53d487150d7107f29b6f19da36794581d31e067b5a52fcfd9792bba6b51
