[INFO] fetching crate rustfst 0.5.0...
[INFO] checking rustfst-0.5.0 against master#339f574809bf8e4166b8de3cdbe7df181d37af3d for pr-71896
[INFO] extracting crate rustfst 0.5.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rustfst 0.5.0 on toolchain 339f574809bf8e4166b8de3cdbe7df181d37af3d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rustfst 0.5.0
[INFO] finished tweaking crates.io crate rustfst 0.5.0
[INFO] tweaked toml for crates.io crate rustfst 0.5.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "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" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "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] 4159654a7d5cd6f4a536ab567bd80647294f0673cf3fc862d113158a7f2ca2da
[INFO] running `"docker" "start" "-a" "4159654a7d5cd6f4a536ab567bd80647294f0673cf3fc862d113158a7f2ca2da"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking compare v0.0.6
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking unsafe_unwrap v0.1.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking binary-heap-plus v0.1.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking bimap v0.3.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking ordered_iter v0.1.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr] error[E0277]: the trait bound `B: bit_vec::BitBlock` is not satisfied
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ordered_iter-0.1.1/src/lib.rs:285:32
[INFO] [stderr]     |
[INFO] [stderr] 61  | pub trait OrderedSetIterator: Iterator + Sized {
[INFO] [stderr]     |                               -------- required by this bound in `OrderedSetIterator`
[INFO] [stderr] ...
[INFO] [stderr] 285 | impl<'a, B: bit_vec::BitBlock> OrderedSetIterator for bit_set::Iter<'a, B> {}
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^ the trait `bit_vec::BitBlock` is not implemented for `B`
[INFO] [stderr]     |
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::iter::Iterator` for `bit_set::Iter<'a, B>`
[INFO] [stderr] help: consider further restricting this bound
[INFO] [stderr]     |
[INFO] [stderr] 285 | impl<'a, B: bit_vec::BitBlock + bit_vec::BitBlock> OrderedSetIterator for bit_set::Iter<'a, B> {}
[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 E0277`.
[INFO] [stderr] error: could not compile `ordered_iter`.
[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" "4159654a7d5cd6f4a536ab567bd80647294f0673cf3fc862d113158a7f2ca2da"`
[INFO] running `"docker" "rm" "-f" "4159654a7d5cd6f4a536ab567bd80647294f0673cf3fc862d113158a7f2ca2da"`
[INFO] [stdout] 4159654a7d5cd6f4a536ab567bd80647294f0673cf3fc862d113158a7f2ca2da