[INFO] crate big_enum_set 0.1.7 is already in cache
[INFO] checking big_enum_set-0.1.7 against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] extracting crate big_enum_set 0.1.7 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate big_enum_set 0.1.7 on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate big_enum_set 0.1.7
[INFO] finished tweaking crates.io crate big_enum_set 0.1.7
[INFO] tweaked toml for crates.io crate big_enum_set 0.1.7 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+d7b51666469c792a8a3f40849607739bae1e705e" "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] d0768a1b55d1bd5da17b5e1627f8feb3f71175c2f0c0b2f2d438e109642c5863
[INFO] running `"docker" "start" "-a" "d0768a1b55d1bd5da17b5e1627f8feb3f71175c2f0c0b2f2d438e109642c5863"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.109
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling big_enum_set_derive v0.1.6
[INFO] [stderr] error[E0599]: no function or associated item named `from_iter` found for struct `bit_set::BitSet<B>` in the current scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/big_enum_set_derive-0.1.6/src/lib.rs:203:22
[INFO] [stderr]     |
[INFO] [stderr] 203 |         BitSet::<B>::from_iter(all_variants)
[INFO] [stderr]     |                      ^^^^^^^^^ function or associated item not found in `bit_set::BitSet<B>`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bit-set-0.5.2/src/lib.rs:105:1
[INFO] [stderr]     |
[INFO] [stderr] 105 | pub struct BitSet<B = u32> {
[INFO] [stderr]     | -------------------------- doesn't satisfy `bit_set::BitSet<B>: std::iter::FromIterator<usize>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: the method `from_iter` exists but the following trait bounds were not satisfied:
[INFO] [stderr]             `B: bit_vec::BitBlock`
[INFO] [stderr]             which is required by `bit_set::BitSet<B>: std::iter::FromIterator<usize>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `big_enum_set_derive`.
[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" "d0768a1b55d1bd5da17b5e1627f8feb3f71175c2f0c0b2f2d438e109642c5863"`
[INFO] running `"docker" "rm" "-f" "d0768a1b55d1bd5da17b5e1627f8feb3f71175c2f0c0b2f2d438e109642c5863"`
[INFO] [stdout] d0768a1b55d1bd5da17b5e1627f8feb3f71175c2f0c0b2f2d438e109642c5863