[INFO] updating cached repository fintelia/hash-bench
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/fintelia/hash-bench
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/fintelia/hash-bench" "work/ex/beta-1.38-1/sources/1.37.0/gh/fintelia/hash-bench"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/fintelia/hash-bench'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fintelia/hash-bench" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fintelia/hash-bench"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fintelia/hash-bench'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ee31a3ff1c7f3e8fa4c5037197b91ec37581587b
[INFO] sha for GitHub repo fintelia/hash-bench: ee31a3ff1c7f3e8fa4c5037197b91ec37581587b
[INFO] validating manifest of fintelia/hash-bench 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 fintelia/hash-bench 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 fintelia/hash-bench
[INFO] finished frobbing fintelia/hash-bench
[INFO] frobbed toml for fintelia/hash-bench written to work/ex/beta-1.38-1/sources/1.37.0/gh/fintelia/hash-bench/Cargo.toml
[INFO] started frobbing fintelia/hash-bench
[INFO] finished frobbing fintelia/hash-bench
[INFO] frobbed toml for fintelia/hash-bench written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fintelia/hash-bench/Cargo.toml
[INFO] crate fintelia/hash-bench 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 fintelia/hash-bench 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/fintelia/hash-bench:/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] 6a99faee94b9e6dd52b3c6409dfa7695972f2c77a3df42e0a2360b4a8537b9c9
[INFO] running `"docker" "start" "-a" "6a99faee94b9e6dd52b3c6409dfa7695972f2c77a3df42e0a2360b4a8537b9c9"`
[INFO] [stderr] warning: dependency (rahashmap) specification is ambiguous. Only one of `branch`, `tag` or `rev` is allowed. This will be considered an error in future versions
[INFO] [stderr]    Compiling rahashmap v0.2.0 (https://github.com/fintelia/rahashmap?branch=no-reorder#69fd2e50)
[INFO] [stderr] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `<-`
[INFO] [stderr]     --> /opt/crater/cargo-home/git/checkouts/rahashmap-0f4600419c0a28ca/69fd2e5/src/map.rs:3513:24
[INFO] [stderr]      |
[INFO] [stderr] 3513 |         map.entry(100) <- 100;
[INFO] [stderr]      |                        ^^ expected one of `.`, `;`, `?`, `}`, or an operator here
[INFO] [stderr] 
[INFO] [stderr] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `<-`
[INFO] [stderr]     --> /opt/crater/cargo-home/git/checkouts/rahashmap-0f4600419c0a28ca/69fd2e5/src/map.rs:3534:26
[INFO] [stderr]      |
[INFO] [stderr] 3534 |             map.entry(0) <- mkpanic();
[INFO] [stderr]      |                          ^^ expected one of `.`, `;`, `?`, `}`, or an operator here
[INFO] [stderr] 
[INFO] [stderr] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `<-`
[INFO] [stderr]     --> /opt/crater/cargo-home/git/checkouts/rahashmap-0f4600419c0a28ca/69fd2e5/src/map.rs:3541:28
[INFO] [stderr]      |
[INFO] [stderr] 3541 |             map.entry(100) <- mkpanic();
[INFO] [stderr]      |                            ^^ expected one of `.`, `;`, `?`, `}`, or an operator here
[INFO] [stderr] 
[INFO] [stderr] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `<-`
[INFO] [stderr]     --> /opt/crater/cargo-home/git/checkouts/rahashmap-0f4600419c0a28ca/69fd2e5/src/map.rs:3568:25
[INFO] [stderr]      |
[INFO] [stderr] 3568 |             hm.entry(0) <- makepanic();
[INFO] [stderr]      |                         ^^ expected one of `.`, `;`, `?`, `}`, or an operator here
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::heap`
[INFO] [stderr]   --> /opt/crater/cargo-home/git/checkouts/rahashmap-0f4600419c0a28ca/69fd2e5/src/table.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::heap::{Alloc, Heap, Layout};
[INFO] [stderr]    |          ^^^^ could not find `heap` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `std::ops::InPlace`, `std::ops::Place`, `std::ops::Placer`
[INFO] [stderr]   --> /opt/crater/cargo-home/git/checkouts/rahashmap-0f4600419c0a28ca/69fd2e5/src/map.rs:22:23
[INFO] [stderr]    |
[INFO] [stderr] 22 | use std::ops::{Deref, InPlace, Index, Place, Placer};
[INFO] [stderr]    |                       ^^^^^^^         ^^^^^  ^^^^^^ no `Placer` in `ops`
[INFO] [stderr]    |                       |               |
[INFO] [stderr]    |                       |               no `Place` in `ops`
[INFO] [stderr]    |                       no `InPlace` in `ops`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> /opt/crater/cargo-home/git/checkouts/rahashmap-0f4600419c0a28ca/69fd2e5/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(allocator_api)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> /opt/crater/cargo-home/git/checkouts/rahashmap-0f4600419c0a28ca/69fd2e5/src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(dropck_eyepatch)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> /opt/crater/cargo-home/git/checkouts/rahashmap-0f4600419c0a28ca/69fd2e5/src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(generic_param_attrs)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> /opt/crater/cargo-home/git/checkouts/rahashmap-0f4600419c0a28ca/69fd2e5/src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![feature(placement_in_syntax)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> /opt/crater/cargo-home/git/checkouts/rahashmap-0f4600419c0a28ca/69fd2e5/src/lib.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![feature(placement_new_protocol)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> /opt/crater/cargo-home/git/checkouts/rahashmap-0f4600419c0a28ca/69fd2e5/src/lib.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![feature(ptr_internals)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> /opt/crater/cargo-home/git/checkouts/rahashmap-0f4600419c0a28ca/69fd2e5/src/lib.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | #![feature(sip_hash_13)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> /opt/crater/cargo-home/git/checkouts/rahashmap-0f4600419c0a28ca/69fd2e5/src/lib.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'hashmap_internals'
[INFO] [stderr]   --> /opt/crater/cargo-home/git/checkouts/rahashmap-0f4600419c0a28ca/69fd2e5/src/map.rs:19:44
[INFO] [stderr]    |
[INFO] [stderr] 19 | use std::hash::{BuildHasher, Hash, Hasher, SipHasher13};
[INFO] [stderr]    |                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'hashmap_internals'
[INFO] [stderr]     --> /opt/crater/cargo-home/git/checkouts/rahashmap-0f4600419c0a28ca/69fd2e5/src/map.rs:2504:26
[INFO] [stderr]      |
[INFO] [stderr] 2504 | pub struct DefaultHasher(SipHasher13);
[INFO] [stderr]      |                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'hashmap_internals'
[INFO] [stderr]     --> /opt/crater/cargo-home/git/checkouts/rahashmap-0f4600419c0a28ca/69fd2e5/src/map.rs:2491:23
[INFO] [stderr]      |
[INFO] [stderr] 2491 |         DefaultHasher(SipHasher13::new_with_keys(self.k0, self.k1))
[INFO] [stderr]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'hashmap_internals'
[INFO] [stderr]     --> /opt/crater/cargo-home/git/checkouts/rahashmap-0f4600419c0a28ca/69fd2e5/src/map.rs:2514:23
[INFO] [stderr]      |
[INFO] [stderr] 2514 |         DefaultHasher(SipHasher13::new_with_keys(0, 0))
[INFO] [stderr]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 18 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0554, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `rahashmap`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6a99faee94b9e6dd52b3c6409dfa7695972f2c77a3df42e0a2360b4a8537b9c9"`
[INFO] running `"docker" "rm" "-f" "6a99faee94b9e6dd52b3c6409dfa7695972f2c77a3df42e0a2360b4a8537b9c9"`
[INFO] [stdout] 6a99faee94b9e6dd52b3c6409dfa7695972f2c77a3df42e0a2360b4a8537b9c9