[INFO] crate arc-swap 0.4.5 is already in cache
[INFO] checking arc-swap-0.4.5 against master#7fb5187d0423f4cd0441526571b8cd61927123c9 for pr-71218
[INFO] extracting crate arc-swap 0.4.5 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate arc-swap 0.4.5 on toolchain 7fb5187d0423f4cd0441526571b8cd61927123c9
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7fb5187d0423f4cd0441526571b8cd61927123c9" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate arc-swap 0.4.5
[INFO] finished tweaking crates.io crate arc-swap 0.4.5
[INFO] tweaked toml for crates.io crate arc-swap 0.4.5 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7fb5187d0423f4cd0441526571b8cd61927123c9" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7fb5187d0423f4cd0441526571b8cd61927123c9" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+7fb5187d0423f4cd0441526571b8cd61927123c9" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c19cdfeaedb6b4e459680e1a676555df424f92027cf9aabc529290e8edcb21f5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "c19cdfeaedb6b4e459680e1a676555df424f92027cf9aabc529290e8edcb21f5"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking smallvec v1.3.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling pulldown-cmark v0.4.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]     Checking arc-swap v0.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking proptest v0.8.7
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[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-0.8.7/src/arbitrary/_core/iter.rs:44:23
[INFO] [stderr]    |
[INFO] [stderr] 44 |         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-0.8.7/src/arbitrary/_core/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-0.8.7/src/arbitrary/_core/iter.rs:44:23
[INFO] [stderr]    |
[INFO] [stderr] 44 |         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-0.8.7/src/arbitrary/_core/iter.rs:44:41
[INFO] [stderr]    |
[INFO] [stderr] 44 |         base.prop_map(Iterator::cloned).boxed()
[INFO] [stderr]    |                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Checking version-sync v0.8.1
[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" "c19cdfeaedb6b4e459680e1a676555df424f92027cf9aabc529290e8edcb21f5"`
[INFO] running `"docker" "rm" "-f" "c19cdfeaedb6b4e459680e1a676555df424f92027cf9aabc529290e8edcb21f5"`
[INFO] [stdout] c19cdfeaedb6b4e459680e1a676555df424f92027cf9aabc529290e8edcb21f5