[INFO] crate ropey 1.1.0 is already in cache
[INFO] checking ropey-1.1.0 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate ropey 1.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ropey 1.1.0 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ropey 1.1.0
[INFO] finished tweaking crates.io crate ropey 1.1.0
[INFO] tweaked toml for crates.io crate ropey 1.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0cd0cc0ea83e3e3c39dc2f4507ff75b3ccc713ac33d43e25b4c2b373222d4c4f
[INFO] running `"docker" "start" "-a" "0cd0cc0ea83e3e3c39dc2f4507ff75b3ccc713ac33d43e25b4c2b373222d4c4f"`
[INFO] [stderr]     Checking ropey v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking proptest v0.9.5
[INFO] [stderr] warning: method is never used: `with_capacity`
[INFO] [stderr]   --> src/tree/node_text.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn with_capacity(capacity: usize) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `insert_str_at_char`
[INFO] [stderr]   --> src/tree/node_text.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn insert_str_at_char(&mut self, text: &str, char_idx: usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `remove_char_range`
[INFO] [stderr]    --> src/tree/node_text.rs:139:5
[INFO] [stderr]     |
[INFO] [stderr] 139 |     pub fn remove_char_range(&mut self, char_start: usize, char_end: usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `split_off_at_char`
[INFO] [stderr]    --> src/tree/node_text.rs:163:5
[INFO] [stderr]     |
[INFO] [stderr] 163 |     pub fn split_off_at_char(&mut self, char_idx: usize) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[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] running `"docker" "inspect" "0cd0cc0ea83e3e3c39dc2f4507ff75b3ccc713ac33d43e25b4c2b373222d4c4f"`
[INFO] running `"docker" "rm" "-f" "0cd0cc0ea83e3e3c39dc2f4507ff75b3ccc713ac33d43e25b4c2b373222d4c4f"`
[INFO] [stdout] 0cd0cc0ea83e3e3c39dc2f4507ff75b3ccc713ac33d43e25b4c2b373222d4c4f
