[INFO] updating cached repository NamsooCho/search
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/NamsooCho/search
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/NamsooCho/search" "work/ex/beta-1.37-6/sources/1.36.0/gh/NamsooCho/search"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/NamsooCho/search'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/NamsooCho/search" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/NamsooCho/search"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/NamsooCho/search'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ae03a633c1b5525881cf2ce3362977e3ce7ac2e4
[INFO] sha for GitHub repo NamsooCho/search: ae03a633c1b5525881cf2ce3362977e3ce7ac2e4
[INFO] validating manifest of NamsooCho/search 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 NamsooCho/search 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 NamsooCho/search
[INFO] finished frobbing NamsooCho/search
[INFO] frobbed toml for NamsooCho/search written to work/ex/beta-1.37-6/sources/1.36.0/gh/NamsooCho/search/Cargo.toml
[INFO] started frobbing NamsooCho/search
[INFO] finished frobbing NamsooCho/search
[INFO] frobbed toml for NamsooCho/search written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/NamsooCho/search/Cargo.toml
[INFO] crate NamsooCho/search already has a lockfile, it will not be regenerated
[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 NamsooCho/search against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/NamsooCho/search:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 96e4cf9c45cf6ba9f73b97f9c250c4ef098148ffa648eed4f25e1c3ad1b9e464
[INFO] running `"docker" "start" "-a" "96e4cf9c45cf6ba9f73b97f9c250c4ef098148ffa648eed4f25e1c3ad1b9e464"`
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]    Compiling num-bigint v0.1.40
[INFO] [stderr]    Compiling num-rational v0.1.40
[INFO] [stderr]    Compiling num v0.1.40
[INFO] [stderr]    Compiling search v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0425]: cannot find function `lookup_host` in module `net`
[INFO] [stderr]   --> src/dns.rs:25:20
[INFO] [stderr]    |
[INFO] [stderr] 25 |         match net::lookup_host (&host) {
[INFO] [stderr]    |                    ^^^^^^^^^^^ not found in `net`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(lookup_host)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(rustc_private)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `search`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "96e4cf9c45cf6ba9f73b97f9c250c4ef098148ffa648eed4f25e1c3ad1b9e464"`
[INFO] running `"docker" "rm" "-f" "96e4cf9c45cf6ba9f73b97f9c250c4ef098148ffa648eed4f25e1c3ad1b9e464"`
[INFO] [stdout] 96e4cf9c45cf6ba9f73b97f9c250c4ef098148ffa648eed4f25e1c3ad1b9e464