[INFO] updating cached repository BuggerSee/WaltonProxy
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/BuggerSee/WaltonProxy
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/BuggerSee/WaltonProxy" "work/ex/beta-1.38-1/sources/1.37.0/gh/BuggerSee/WaltonProxy"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/BuggerSee/WaltonProxy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/BuggerSee/WaltonProxy" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BuggerSee/WaltonProxy"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BuggerSee/WaltonProxy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bf24779d3a158ec600eae7022a0ea78406b0224b
[INFO] sha for GitHub repo BuggerSee/WaltonProxy: bf24779d3a158ec600eae7022a0ea78406b0224b
[INFO] validating manifest of BuggerSee/WaltonProxy on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of BuggerSee/WaltonProxy on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing BuggerSee/WaltonProxy
[INFO] finished frobbing BuggerSee/WaltonProxy
[INFO] frobbed toml for BuggerSee/WaltonProxy written to work/ex/beta-1.38-1/sources/1.37.0/gh/BuggerSee/WaltonProxy/Cargo.toml
[INFO] started frobbing BuggerSee/WaltonProxy
[INFO] finished frobbing BuggerSee/WaltonProxy
[INFO] frobbed toml for BuggerSee/WaltonProxy written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BuggerSee/WaltonProxy/Cargo.toml
[INFO] crate BuggerSee/WaltonProxy already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing BuggerSee/WaltonProxy against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/BuggerSee/WaltonProxy:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 1ae47d551b335250680df36877c405fad2888657d0fe238d2fe6f92af8642772
[INFO] running `"docker" "start" "-a" "1ae47d551b335250680df36877c405fad2888657d0fe238d2fe6f92af8642772"`
[INFO] [stderr]    Compiling rand v0.5.2
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling WaltonProxy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0425]: cannot find function `enable_ansi_support` in module `ansi_term`
[INFO] [stderr]   --> src/main.rs:18:31
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let _enabled = ansi_term::enable_ansi_support();
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^ not found in `ansi_term`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(const_string_new)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(extern_prelude)]
[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 `WaltonProxy`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1ae47d551b335250680df36877c405fad2888657d0fe238d2fe6f92af8642772"`
[INFO] running `"docker" "rm" "-f" "1ae47d551b335250680df36877c405fad2888657d0fe238d2fe6f92af8642772"`
[INFO] [stdout] 1ae47d551b335250680df36877c405fad2888657d0fe238d2fe6f92af8642772