[INFO] updating cached repository natir/ssik
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/natir/ssik
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/natir/ssik" "work/ex/beta-1.38-1/sources/1.37.0/gh/natir/ssik"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/natir/ssik'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/natir/ssik" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/natir/ssik"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/natir/ssik'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 87e812b33304efa8fa762f541d5913896042dc44
[INFO] sha for GitHub repo natir/ssik: 87e812b33304efa8fa762f541d5913896042dc44
[INFO] validating manifest of natir/ssik 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 natir/ssik 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 natir/ssik
[INFO] finished frobbing natir/ssik
[INFO] frobbed toml for natir/ssik written to work/ex/beta-1.38-1/sources/1.37.0/gh/natir/ssik/Cargo.toml
[INFO] started frobbing natir/ssik
[INFO] finished frobbing natir/ssik
[INFO] frobbed toml for natir/ssik written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/natir/ssik/Cargo.toml
[INFO] crate natir/ssik 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 natir/ssik 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/natir/ssik:/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] 5eeb6623632f2ed5aadfa31cafb6f523f9a83fa9183d9f1838af615673c981fe
[INFO] running `"docker" "start" "-a" "5eeb6623632f2ed5aadfa31cafb6f523f9a83fa9183d9f1838af615673c981fe"`
[INFO] [stderr]    Compiling serde v1.0.85
[INFO] [stderr]    Compiling bv v0.7.4
[INFO] [stderr]    Compiling ndarray v0.9.1
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling itertools v0.6.5
[INFO] [stderr]    Compiling bit-set v0.4.0
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling itertools-num v0.1.3
[INFO] [stderr]    Compiling csv-core v0.1.5
[INFO] [stderr]    Compiling buf_redux v0.7.1
[INFO] [stderr]    Compiling ordered-float v0.5.2
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.5.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling crossbeam-channel v0.2.6
[INFO] [stderr]    Compiling crossbeam v0.4.1
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]    Compiling csv v1.0.5
[INFO] [stderr]    Compiling seq_io v0.3.0
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling bio v0.21.0
[INFO] [stderr]    Compiling ssik 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:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | #![feature(stdsimd)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/counter.rs:206:26
[INFO] [stderr]     |
[INFO] [stderr] 206 |     pub counter: &'a mut Counter<T, u64, u64>,
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Counter<T, u64, u64>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/counter.rs:213:33
[INFO] [stderr]     |
[INFO] [stderr] 213 |     pub fn new(counter: &'a mut Counter<T, u64, u64>, k: u8) -> Self {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Counter<T, u64, u64>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/write.rs:30:25
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn write<T>(count: &counter::Counter<T, u64, u64>, output_path: &str, k: u8, mode: Mode)
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn counter::Counter<T, u64, u64>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/write.rs:52:17
[INFO] [stderr]    |
[INFO] [stderr] 52 |         count: &counter::Counter<T, u64, u64>,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn counter::Counter<T, u64, u64>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/write.rs:75:17
[INFO] [stderr]    |
[INFO] [stderr] 75 |         count: &counter::Counter<T, u64, u64>,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn counter::Counter<T, u64, u64>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/write.rs:86:17
[INFO] [stderr]    |
[INFO] [stderr] 86 |         count: &counter::Counter<T, u64, u64>,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn counter::Counter<T, u64, u64>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/write.rs:106:17
[INFO] [stderr]     |
[INFO] [stderr] 106 |         count: &counter::Counter<T, u64, u64>,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn counter::Counter<T, u64, u64>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/write.rs:141:17
[INFO] [stderr]     |
[INFO] [stderr] 141 |         count: &counter::Counter<T, u64, u64>,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn counter::Counter<T, u64, u64>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `ssik`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "5eeb6623632f2ed5aadfa31cafb6f523f9a83fa9183d9f1838af615673c981fe"`
[INFO] running `"docker" "rm" "-f" "5eeb6623632f2ed5aadfa31cafb6f523f9a83fa9183d9f1838af615673c981fe"`
[INFO] [stdout] 5eeb6623632f2ed5aadfa31cafb6f523f9a83fa9183d9f1838af615673c981fe