[INFO] crate imag-counter 0.4.0 is already in cache
[INFO] testing imag-counter-0.4.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate imag-counter 0.4.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate imag-counter 0.4.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate imag-counter 0.4.0
[INFO] finished tweaking crates.io crate imag-counter 0.4.0
[INFO] tweaked toml for crates.io crate imag-counter 0.4.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] 768b3a0b0bdb8819f76c576c622603206d8ff359a957b9e34c11f42ea4e3e704
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "768b3a0b0bdb8819f76c576c622603206d8ff359a957b9e34c11f42ea4e3e704"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling same-file v0.1.3
[INFO] [stderr]    Compiling version v2.0.1
[INFO] [stderr]    Compiling semver v0.8.0
[INFO] [stderr]    Compiling itertools v0.6.5
[INFO] [stderr]    Compiling libimagerror v0.4.0
[INFO] [stderr]    Compiling libimagutil v0.4.0
[INFO] [stderr]    Compiling toml-query v0.3.1
[INFO] [stderr]    Compiling walkdir v1.0.7
[INFO] [stderr]    Compiling libimagstore v0.4.0
[INFO] [stderr]    Compiling libimagrt v0.4.0
[INFO] [stderr]    Compiling libimagcounter v0.4.0
[INFO] [stderr] error[E0034]: multiple applicable items in scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libimagrt-0.4.0/src/configuration.rs:270:10
[INFO] [stderr]     |
[INFO] [stderr] 270 |         .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] 260 |     std::iter::Iterator::flatten(vec![
[INFO] [stderr] 261 |         vec![searchpath.clone()],
[INFO] [stderr] 262 |         gen_vars(searchpath.clone(), variants.clone(), &modifier),
[INFO] [stderr] 263 | 
[INFO] [stderr] 264 |         env::var("HOME").map(|home| gen_vars(PathBuf::from(home), variants.clone(), &modifier))
[INFO] [stderr] 265 |                         .unwrap_or(vec![]),
[INFO] [stderr]   ...
[INFO] [stderr] help: disambiguate the associated function for candidate #2
[INFO] [stderr]     |
[INFO] [stderr] 260 |     itertools::Itertools::flatten(vec![
[INFO] [stderr] 261 |         vec![searchpath.clone()],
[INFO] [stderr] 262 |         gen_vars(searchpath.clone(), variants.clone(), &modifier),
[INFO] [stderr] 263 | 
[INFO] [stderr] 264 |         env::var("HOME").map(|home| gen_vars(PathBuf::from(home), variants.clone(), &modifier))
[INFO] [stderr] 265 |                         .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] running `"docker" "inspect" "768b3a0b0bdb8819f76c576c622603206d8ff359a957b9e34c11f42ea4e3e704"`
[INFO] running `"docker" "rm" "-f" "768b3a0b0bdb8819f76c576c622603206d8ff359a957b9e34c11f42ea4e3e704"`
[INFO] [stdout] 768b3a0b0bdb8819f76c576c622603206d8ff359a957b9e34c11f42ea4e3e704