[INFO] updating cached repository https://github.com/v-i-k-r-a-m/wireguard-rs-snapshot-23-jan-2020
[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] d4f5d5b7237d78ea177004a0650a550d03110b7c
[INFO] checking v-i-k-r-a-m/wireguard-rs-snapshot-23-jan-2020 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fv-i-k-r-a-m%2Fwireguard-rs-snapshot-23-jan-2020" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/v-i-k-r-a-m/wireguard-rs-snapshot-23-jan-2020 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/v-i-k-r-a-m/wireguard-rs-snapshot-23-jan-2020
[INFO] finished tweaking git repo https://github.com/v-i-k-r-a-m/wireguard-rs-snapshot-23-jan-2020
[INFO] tweaked toml for git repo https://github.com/v-i-k-r-a-m/wireguard-rs-snapshot-23-jan-2020 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/v-i-k-r-a-m/wireguard-rs-snapshot-23-jan-2020 already has a lockfile, it will not be regenerated
[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] 9c20efea3b3ed26db6b73f764cef8a96603d279826898b7779383cba3855bebf
[INFO] running `"docker" "start" "-a" "9c20efea3b3ed26db6b73f764cef8a96603d279826898b7779383cba3855bebf"`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling getrandom v0.1.11
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling regex-syntax v0.6.11
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]     Checking pnet_base v0.22.0
[INFO] [stderr]    Compiling subtle v2.1.1
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]     Checking zeroize v0.9.3
[INFO] [stderr]     Checking spin v0.5.1
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]    Compiling pnet v0.22.0
[INFO] [stderr]     Checking boxfnonce v0.1.1
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]     Checking treebitmap v0.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling ring v0.16.7
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking pnet_macros_support v0.22.0
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]     Checking pnet_sys v0.22.0
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking daemonize v0.4.1
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking stream-cipher v0.3.2
[INFO] [stderr]     Checking aead v0.1.1
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking salsa20-core v0.2.1
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]    Compiling zerocopy-derive v0.1.4
[INFO] [stderr]     Checking poly1305 v0.2.0
[INFO] [stderr]     Checking chacha20 v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]     Checking chacha20poly1305 v0.1.0
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]     Checking hjul v0.2.1
[INFO] [stderr]    Compiling curve25519-dalek v1.2.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking zerocopy v0.2.8
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]     Checking proptest v0.9.4
[INFO] [stderr]     Checking x25519-dalek v0.5.2
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]     Checking env_logger v0.6.2
[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-0.9.4/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-0.9.4/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-0.9.4/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-0.9.4/src/arbitrary/_core/iter.rs:47:41
[INFO] [stderr]    |
[INFO] [stderr] 47 |         base.prop_map(Iterator::cloned).boxed()
[INFO] [stderr]    |                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Checking ipnetwork v0.14.0
[INFO] [stderr]     Checking pnet_datalink v0.22.0
[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" "9c20efea3b3ed26db6b73f764cef8a96603d279826898b7779383cba3855bebf"`
[INFO] running `"docker" "rm" "-f" "9c20efea3b3ed26db6b73f764cef8a96603d279826898b7779383cba3855bebf"`
[INFO] [stdout] 9c20efea3b3ed26db6b73f764cef8a96603d279826898b7779383cba3855bebf