[INFO] crate bolt11 0.1.0 is already in cache
[INFO] checking bolt11-0.1.0 against beta-2019-10-27 for pr-65897
[INFO] extracting crate bolt11 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate bolt11 0.1.0 on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate bolt11 0.1.0
[INFO] finished tweaking crates.io crate bolt11 0.1.0
[INFO] tweaked toml for crates.io crate bolt11 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "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" "+beta-2019-10-27" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=allow" "-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-2019-10-27" "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] aaef610c1f127fd6cdb17737eeb2f0ecbd6737aeb646efa38f0490f9fdf58843
[INFO] running `"docker" "start" "-a" "aaef610c1f127fd6cdb17737eeb2f0ecbd6737aeb646efa38f0490f9fdf58843"`
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]     Checking bech32 v0.2.2
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking generic-array v0.8.3
[INFO] [stderr]     Checking bitcoin-bech32 v0.3.1
[INFO] [stderr]     Checking digest v0.6.2
[INFO] [stderr]     Checking crypto-mac v0.4.0
[INFO] [stderr]     Checking block-buffer v0.2.0
[INFO] [stderr]     Checking hmac v0.4.2
[INFO] [stderr]     Checking sha2 v0.6.0
[INFO] [stderr]     Checking hmac-drbg v0.1.2
[INFO] [stderr]     Checking libsecp256k1 v0.1.15
[INFO] [stderr]     Checking base58check v0.0.1
[INFO] [stderr]     Checking bolt11 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0034]: multiple applicable items in scope
[INFO] [stderr]    --> src/payment_request.rs:207:14
[INFO] [stderr]     |
[INFO] [stderr] 207 |             .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::iter::FilterMap<_, _>`
[INFO] [stderr]     = help: to disambiguate the method call, write `std::iter::Iterator::flatten(self.tags
[INFO] [stderr]                         .iter()
[INFO] [stderr]                         .filter_map(|v| match *v {
[INFO] [stderr]                             Tag::RoutingInfo { ref path } => Some(path.to_owned()),
[INFO] [stderr]                             _ => None,
[INFO] [stderr]                         }))` instead
[INFO] [stderr]     = note: candidate #2 is defined in an impl of the trait `itertools::Itertools` for the type `_`
[INFO] [stderr]     = help: to disambiguate the method call, write `itertools::Itertools::flatten(self.tags
[INFO] [stderr]                         .iter()
[INFO] [stderr]                         .filter_map(|v| match *v {
[INFO] [stderr]                             Tag::RoutingInfo { ref path } => Some(path.to_owned()),
[INFO] [stderr]                             _ => None,
[INFO] [stderr]                         }))` instead
[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 `bolt11`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0034]: multiple applicable items in scope
[INFO] [stderr]    --> src/payment_request.rs:207:14
[INFO] [stderr]     |
[INFO] [stderr] 207 |             .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::iter::FilterMap<_, _>`
[INFO] [stderr]     = help: to disambiguate the method call, write `std::iter::Iterator::flatten(self.tags
[INFO] [stderr]                         .iter()
[INFO] [stderr]                         .filter_map(|v| match *v {
[INFO] [stderr]                             Tag::RoutingInfo { ref path } => Some(path.to_owned()),
[INFO] [stderr]                             _ => None,
[INFO] [stderr]                         }))` instead
[INFO] [stderr]     = note: candidate #2 is defined in an impl of the trait `itertools::Itertools` for the type `_`
[INFO] [stderr]     = help: to disambiguate the method call, write `itertools::Itertools::flatten(self.tags
[INFO] [stderr]                         .iter()
[INFO] [stderr]                         .filter_map(|v| match *v {
[INFO] [stderr]                             Tag::RoutingInfo { ref path } => Some(path.to_owned()),
[INFO] [stderr]                             _ => None,
[INFO] [stderr]                         }))` instead
[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 `bolt11`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "aaef610c1f127fd6cdb17737eeb2f0ecbd6737aeb646efa38f0490f9fdf58843"`
[INFO] running `"docker" "rm" "-f" "aaef610c1f127fd6cdb17737eeb2f0ecbd6737aeb646efa38f0490f9fdf58843"`
[INFO] [stdout] aaef610c1f127fd6cdb17737eeb2f0ecbd6737aeb646efa38f0490f9fdf58843