[INFO] updating cached repository Gankro/hash-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Gankro/hash-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Gankro/hash-rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/Gankro/hash-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Gankro/hash-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Gankro/hash-rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Gankro/hash-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Gankro/hash-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e3cc60dfc974e96abfa8003eba4e1061306258b3
[INFO] sha for GitHub repo Gankro/hash-rs: e3cc60dfc974e96abfa8003eba4e1061306258b3
[INFO] validating manifest of Gankro/hash-rs 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 Gankro/hash-rs 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 Gankro/hash-rs
[INFO] finished frobbing Gankro/hash-rs
[INFO] frobbed toml for Gankro/hash-rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/Gankro/hash-rs/Cargo.toml
[INFO] started frobbing Gankro/hash-rs
[INFO] finished frobbing Gankro/hash-rs
[INFO] frobbed toml for Gankro/hash-rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Gankro/hash-rs/Cargo.toml
[INFO] crate Gankro/hash-rs 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 Gankro/hash-rs 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-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Gankro/hash-rs:/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] 12db6ee2a1a277c68aee4e7a766a7c498e8c2cb1076191338351de6233deb2f4
[INFO] running `"docker" "start" "-a" "12db6ee2a1a277c68aee4e7a766a7c498e8c2cb1076191338351de6233deb2f4"`
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]    Compiling arrayref v0.3.5
[INFO] [stderr]    Compiling murmurhash3 v0.0.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.4
[INFO] [stderr]    Compiling twox-hash v1.1.2
[INFO] [stderr]    Compiling const-random-macro v0.1.3
[INFO] [stderr]    Compiling const-random v0.1.3
[INFO] [stderr]    Compiling ahash v0.1.14
[INFO] [stderr]    Compiling hash-rs 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(asm)]
[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(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/main.rs:119:1
[INFO] [stderr]     |
[INFO] [stderr] 119 | / macro_rules! hash_benches {
[INFO] [stderr] 120 | |     ($Impl: ty) => {
[INFO] [stderr] 121 | |         use std::collections::hash_map::DefaultHasher as Sip13;
[INFO] [stderr] 122 | |         use std::hash::SipHasher as Sip24;
[INFO] [stderr] ...   |
[INFO] [stderr] 232 | |    }
[INFO] [stderr] 233 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_macros)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/main.rs:235:1
[INFO] [stderr]     |
[INFO] [stderr] 235 | / macro_rules! tree_benches {
[INFO] [stderr] 236 | |     ($Impl: ty) => {
[INFO] [stderr] 237 | |         use std::collections::BTreeMap;
[INFO] [stderr] 238 | |         use rand::distributions::Standard;
[INFO] [stderr] ...   |
[INFO] [stderr] 302 | |     }
[INFO] [stderr] 303 | | }
[INFO] [stderr]     | |_^
[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 `hash-rs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "12db6ee2a1a277c68aee4e7a766a7c498e8c2cb1076191338351de6233deb2f4"`
[INFO] running `"docker" "rm" "-f" "12db6ee2a1a277c68aee4e7a766a7c498e8c2cb1076191338351de6233deb2f4"`
[INFO] [stdout] 12db6ee2a1a277c68aee4e7a766a7c498e8c2cb1076191338351de6233deb2f4