[INFO] updating cached repository https://github.com/caolan/tamawiki
[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] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2315e06f86f7ed99416585f9de1c9480c08654f0
[INFO] checking caolan/tamawiki against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaolan%2Ftamawiki" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/caolan/tamawiki 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/caolan/tamawiki
[INFO] finished tweaking git repo https://github.com/caolan/tamawiki
[INFO] tweaked toml for git repo https://github.com/caolan/tamawiki written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/caolan/tamawiki already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 48edb9816bb0e77ccc43790c07bc4bee1fe485771d070dd34d2dafd97af28bf9
[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" "48edb9816bb0e77ccc43790c07bc4bee1fe485771d070dd34d2dafd97af28bf9"`
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling openssl v0.10.12
[INFO] [stderr]    Compiling native-tls v0.2.1
[INFO] [stderr]     Checking unic-common v0.7.0
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]     Checking unic-char-range v0.7.0
[INFO] [stderr]    Compiling rustfmt v0.10.0
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]     Checking bit-vec v0.5.0
[INFO] [stderr]     Checking wait-timeout v0.1.5
[INFO] [stderr]    Compiling openssl-sys v0.9.36
[INFO] [stderr]    Compiling pest v2.0.1
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]    Compiling extprim v1.6.0
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]    Compiling strings v0.1.1
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]     Checking unic-char-property v0.7.0
[INFO] [stderr]     Checking unic-ucd-version v0.7.0
[INFO] [stderr]    Compiling getopts v0.2.18
[INFO] [stderr]     Checking bit-set v0.5.0
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]     Checking unic-ucd-segment v0.7.0
[INFO] [stderr]    Compiling syn v0.15.12
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking unic-segment v0.7.0
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]    Compiling pest_meta v2.0.3
[INFO] [stderr]     Checking sha-1 v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.7
[INFO] [stderr]     Checking tempfile v3.0.4
[INFO] [stderr]     Checking rusty-fork v0.2.1
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]    Compiling pest_generator v2.0.0
[INFO] [stderr]     Checking proptest v0.8.7
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking tokio-fs v0.1.3
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking tokio-uds v0.2.2
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]    Compiling pest_derive v2.0.1
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]    Compiling serde_derive v1.0.79
[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]    Compiling env_logger v0.4.3
[INFO] [stderr]     Checking tungstenite v0.6.0
[INFO] [stderr]     Checking tokio-tls v0.2.0
[INFO] [stderr]     Checking hyper v0.12.11
[INFO] [stderr]     Checking tokio-dns-unofficial v0.3.1
[INFO] [stderr]     Checking tokio-tungstenite v0.6.0 (git://github.com/snapview/tokio-tungstenite#1dcf833f)
[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" "48edb9816bb0e77ccc43790c07bc4bee1fe485771d070dd34d2dafd97af28bf9"`
[INFO] running `"docker" "rm" "-f" "48edb9816bb0e77ccc43790c07bc4bee1fe485771d070dd34d2dafd97af28bf9"`
[INFO] [stdout] 48edb9816bb0e77ccc43790c07bc4bee1fe485771d070dd34d2dafd97af28bf9