[INFO] updating cached repository ksm2/bloom-filter-server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ksm2/bloom-filter-server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ksm2/bloom-filter-server" "work/ex/beta-1.38-1/sources/1.37.0/gh/ksm2/bloom-filter-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ksm2/bloom-filter-server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ksm2/bloom-filter-server" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ksm2/bloom-filter-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ksm2/bloom-filter-server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b8fd542461b5a2ceb4dcfbbedc0699637fe3a7d0
[INFO] sha for GitHub repo ksm2/bloom-filter-server: b8fd542461b5a2ceb4dcfbbedc0699637fe3a7d0
[INFO] validating manifest of ksm2/bloom-filter-server 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 ksm2/bloom-filter-server 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 ksm2/bloom-filter-server
[INFO] finished frobbing ksm2/bloom-filter-server
[INFO] frobbed toml for ksm2/bloom-filter-server written to work/ex/beta-1.38-1/sources/1.37.0/gh/ksm2/bloom-filter-server/Cargo.toml
[INFO] started frobbing ksm2/bloom-filter-server
[INFO] finished frobbing ksm2/bloom-filter-server
[INFO] frobbed toml for ksm2/bloom-filter-server written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ksm2/bloom-filter-server/Cargo.toml
[INFO] crate ksm2/bloom-filter-server 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 ksm2/bloom-filter-server 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ksm2/bloom-filter-server:/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] c576ca3b29f5b1c835a44d38e795535a124eb6d96c8b06ad0b72cbc2c151d12a
[INFO] running `"docker" "start" "-a" "c576ca3b29f5b1c835a44d38e795535a124eb6d96c8b06ad0b72cbc2c151d12a"`
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling bit-vec v0.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling murmur3 v0.4.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling bloom_filter_server v0.1.0 (/opt/crater/workdir)
[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(test)]
[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(try_trait)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/main.rs:167:89
[INFO] [stderr]     |
[INFO] [stderr] 167 |             Ok(format!("ERROR. Invalid command {}.\n", String::from_utf8_lossy(command).trim_right()).as_bytes().to_vec())
[INFO] [stderr]     |                                                                                         ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `bloom_filter_server`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c576ca3b29f5b1c835a44d38e795535a124eb6d96c8b06ad0b72cbc2c151d12a"`
[INFO] running `"docker" "rm" "-f" "c576ca3b29f5b1c835a44d38e795535a124eb6d96c8b06ad0b72cbc2c151d12a"`
[INFO] [stdout] c576ca3b29f5b1c835a44d38e795535a124eb6d96c8b06ad0b72cbc2c151d12a