[INFO] crate sshc 1.0.0 is already in cache
[INFO] extracting crate sshc 1.0.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/sshc/1.0.0
[INFO] extracting crate sshc 1.0.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/sshc/1.0.0
[INFO] validating manifest of sshc-1.0.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sshc-1.0.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sshc-1.0.0
[INFO] finished frobbing sshc-1.0.0
[INFO] frobbed toml for sshc-1.0.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/sshc/1.0.0/Cargo.toml
[INFO] started frobbing sshc-1.0.0
[INFO] finished frobbing sshc-1.0.0
[INFO] frobbed toml for sshc-1.0.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/sshc/1.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing sshc-1.0.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/sshc/1.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] d3cf936d56bfb6b7a30630b079c662a5bbdeb6729b8cf69434626ad846f3ce1f
[INFO] running `"docker" "start" "-a" "d3cf936d56bfb6b7a30630b079c662a5bbdeb6729b8cf69434626ad846f3ce1f"`
[INFO] [stderr]    Compiling cursive v0.6.4
[INFO] [stderr]    Compiling shellexpand v1.0.0
[INFO] [stderr]    Compiling itertools v0.6.5
[INFO] [stderr]    Compiling exec v0.3.1
[INFO] [stderr]    Compiling chan v0.1.23
[INFO] [stderr]    Compiling chan-signal v0.2.0
[INFO] [stderr]    Compiling sshc v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0034]: multiple applicable items in scope
[INFO] [stderr]   --> src/execution.rs:83:14
[INFO] [stderr]    |
[INFO] [stderr] 83 |             .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 `itertools::Intersperse<_>`
[INFO] [stderr]    = note: candidate #2 is defined in an impl of the trait `itertools::Itertools` for the type `_`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/config.rs:67:1
[INFO] [stderr]    |
[INFO] [stderr] 67 | / error_chain! {
[INFO] [stderr] 68 | |     foreign_links {
[INFO] [stderr] 69 | |         Io(io::Error);
[INFO] [stderr] 70 | |         Toml(toml::de::Error);
[INFO] [stderr] 71 | |     }
[INFO] [stderr] 72 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/config.rs:67:1
[INFO] [stderr]    |
[INFO] [stderr] 67 | / error_chain! {
[INFO] [stderr] 68 | |     foreign_links {
[INFO] [stderr] 69 | |         Io(io::Error);
[INFO] [stderr] 70 | |         Toml(toml::de::Error);
[INFO] [stderr] 71 | |     }
[INFO] [stderr] 72 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[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 `sshc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d3cf936d56bfb6b7a30630b079c662a5bbdeb6729b8cf69434626ad846f3ce1f"`
[INFO] running `"docker" "rm" "-f" "d3cf936d56bfb6b7a30630b079c662a5bbdeb6729b8cf69434626ad846f3ce1f"`
[INFO] [stdout] d3cf936d56bfb6b7a30630b079c662a5bbdeb6729b8cf69434626ad846f3ce1f