[INFO] crate libimagannotation 0.3.0 is already in cache
[INFO] checking libimagannotation-0.3.0 against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] extracting crate libimagannotation 0.3.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate libimagannotation 0.3.0 on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate libimagannotation 0.3.0
[INFO] finished tweaking crates.io crate libimagannotation 0.3.0
[INFO] tweaked toml for crates.io crate libimagannotation 0.3.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "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" "+d7b51666469c792a8a3f40849607739bae1e705e" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 0016ac39f95c36245398d0357095c0cefe6f3a3f566910eacd485a08bc53ecf6
[INFO] running `"docker" "start" "-a" "0016ac39f95c36245398d0357095c0cefe6f3a3f566910eacd485a08bc53ecf6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking itertools v0.6.5
[INFO] [stderr]     Checking itertools v0.5.10
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking libimagerror v0.3.0
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking uuid v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking libimagutil v0.3.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking semver-parser v0.6.2
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking semver v0.5.1
[INFO] [stderr]     Checking libimagstore v0.3.0
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking libimagrt v0.3.0
[INFO] [stderr]     Checking libimagentrytag v0.3.0
[INFO] [stderr] error[E0034]: multiple applicable items in scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libimagrt-0.3.0/src/configuration.rs:256:10
[INFO] [stderr]     |
[INFO] [stderr] 256 |         .flatten()
[INFO] [stderr]     |          ^^^^^^^ multiple `flatten` found
[INFO] [stderr]     |
[INFO] [stderr]     = note: candidate #1 is defined in an impl of the trait `std::iter::Iterator` for the type `std::slice::Iter<'a, T>`
[INFO] [stderr]     = note: candidate #2 is defined in an impl of the trait `itertools::Itertools` for the type `T`
[INFO] [stderr] help: disambiguate the associated function for candidate #1
[INFO] [stderr]     |
[INFO] [stderr] 246 |     std::iter::Iterator::flatten(vec![
[INFO] [stderr] 247 |         vec![rtp.clone()],
[INFO] [stderr] 248 |         gen_vars(rtp.clone(), variants.clone(), &modifier),
[INFO] [stderr] 249 | 
[INFO] [stderr] 250 |         env::var("HOME").map(|home| gen_vars(PathBuf::from(home), variants.clone(), &modifier))
[INFO] [stderr] 251 |                         .unwrap_or(vec![]),
[INFO] [stderr]   ...
[INFO] [stderr] help: disambiguate the associated function for candidate #2
[INFO] [stderr]     |
[INFO] [stderr] 246 |     itertools::Itertools::flatten(vec![
[INFO] [stderr] 247 |         vec![rtp.clone()],
[INFO] [stderr] 248 |         gen_vars(rtp.clone(), variants.clone(), &modifier),
[INFO] [stderr] 249 | 
[INFO] [stderr] 250 |         env::var("HOME").map(|home| gen_vars(PathBuf::from(home), variants.clone(), &modifier))
[INFO] [stderr] 251 |                         .unwrap_or(vec![]),
[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 E0034`.
[INFO] [stderr] error: could not compile `libimagrt`.
[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" "0016ac39f95c36245398d0357095c0cefe6f3a3f566910eacd485a08bc53ecf6"`
[INFO] running `"docker" "rm" "-f" "0016ac39f95c36245398d0357095c0cefe6f3a3f566910eacd485a08bc53ecf6"`
[INFO] [stdout] 0016ac39f95c36245398d0357095c0cefe6f3a3f566910eacd485a08bc53ecf6