[INFO] updating cached repository bahusvel/dssc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bahusvel/dssc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bahusvel/dssc" "work/ex/beta-1.38-1/sources/1.37.0/gh/bahusvel/dssc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/bahusvel/dssc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bahusvel/dssc" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bahusvel/dssc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bahusvel/dssc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6ffe0353802ea6da6ff5835d7d41923852183359
[INFO] sha for GitHub repo bahusvel/dssc: 6ffe0353802ea6da6ff5835d7d41923852183359
[INFO] validating manifest of bahusvel/dssc 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 bahusvel/dssc 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 bahusvel/dssc
[INFO] finished frobbing bahusvel/dssc
[INFO] frobbed toml for bahusvel/dssc written to work/ex/beta-1.38-1/sources/1.37.0/gh/bahusvel/dssc/Cargo.toml
[INFO] started frobbing bahusvel/dssc
[INFO] finished frobbing bahusvel/dssc
[INFO] frobbed toml for bahusvel/dssc written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bahusvel/dssc/Cargo.toml
[INFO] crate bahusvel/dssc 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 bahusvel/dssc against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bahusvel/dssc:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] fbc0887586266d194549593fae6cdae3e6d11087c77a77f0c2852297c80fc640
[INFO] running `"docker" "start" "-a" "fbc0887586266d194549593fae6cdae3e6d11087c77a77f0c2852297c80fc640"`
[INFO] [stderr]    Compiling zstd-sys v1.4.2+zstd.1.3.3
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling flate2 v1.0.1
[INFO] [stderr]    Compiling zstd-safe v1.4.2+zstd.1.3.3
[INFO] [stderr]    Compiling zstd v0.4.17+zstd.1.3.3
[INFO] [stderr]    Compiling dssc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(iterator_step_by)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(conservative_impl_trait)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/chunked.rs:219:19
[INFO] [stderr]     |
[INFO] [stderr] 219 |         (self as &fmt::Display).fmt(f)
[INFO] [stderr]     |                   ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::fnv::FnvHashSet`
[INFO] [stderr]  --> src/chunkmap.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use self::fnv::FnvHashSet;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Hash`
[INFO] [stderr]   --> src/chunkmap.rs:12:17
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::hash::{Hash, Hasher};
[INFO] [stderr]    |                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/chunkmap.rs:50:19
[INFO] [stderr]    |
[INFO] [stderr] 50 |         (self as &fmt::Display).fmt(f)
[INFO] [stderr]    |                   ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/varint.rs:32:29
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub fn read_uvarint(r: &mut Read) -> Result<u64, Error> {
[INFO] [stderr]    |                             ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]   --> src/other.rs:10:33
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::io::{Error, ErrorKind, Read, Write};
[INFO] [stderr]    |                                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Hasher`
[INFO] [stderr]   --> src/chunkmap.rs:12:23
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::hash::{Hash, Hasher};
[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 `dssc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "fbc0887586266d194549593fae6cdae3e6d11087c77a77f0c2852297c80fc640"`
[INFO] running `"docker" "rm" "-f" "fbc0887586266d194549593fae6cdae3e6d11087c77a77f0c2852297c80fc640"`
[INFO] [stdout] fbc0887586266d194549593fae6cdae3e6d11087c77a77f0c2852297c80fc640