[INFO] crate sparkly 0.1.5 is already in cache
[INFO] checking sparkly-0.1.5 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] extracting crate sparkly 0.1.5 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate sparkly 0.1.5 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sparkly 0.1.5
[INFO] finished tweaking crates.io crate sparkly 0.1.5
[INFO] tweaked toml for crates.io crate sparkly 0.1.5 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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] cbab11db88de18aa6ab9fe15723abdeeef1d6e9bca680745e9e36968bbcb215f
[INFO] running `"docker" "start" "-a" "cbab11db88de18aa6ab9fe15723abdeeef1d6e9bca680745e9e36968bbcb215f"`
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking sparkly v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: missing documentation for macro
[INFO] [stderr]  --> src/macros.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | macro_rules! impl_Display_for_Sparkly {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]  --> src/lib.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![warn(missing_docs)]
[INFO] [stderr]   |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Checking proptest v0.7.2
[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-0.7.2/src/arbitrary/_std/iter.rs:45:23
[INFO] [stderr]    |
[INFO] [stderr] 45 |         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 35:6...
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.7.2/src/arbitrary/_std/iter.rs:35:6
[INFO] [stderr]    |
[INFO] [stderr] 35 | impl<'a, T: 'static + Clone, A: fmt::Debug + 'static + Iterator<Item = &'a T>>
[INFO] [stderr]    |      ^^
[INFO] [stderr] note: ...so that the types are compatible
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proptest-0.7.2/src/arbitrary/_std/iter.rs:45:23
[INFO] [stderr]    |
[INFO] [stderr] 45 |         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-0.7.2/src/arbitrary/_std/iter.rs:45:41
[INFO] [stderr]    |
[INFO] [stderr] 45 |         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] running `"docker" "inspect" "cbab11db88de18aa6ab9fe15723abdeeef1d6e9bca680745e9e36968bbcb215f"`
[INFO] running `"docker" "rm" "-f" "cbab11db88de18aa6ab9fe15723abdeeef1d6e9bca680745e9e36968bbcb215f"`
[INFO] [stdout] cbab11db88de18aa6ab9fe15723abdeeef1d6e9bca680745e9e36968bbcb215f