[INFO] updating cached repository chamakits/bigdumbstore
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/chamakits/bigdumbstore
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/chamakits/bigdumbstore" "work/ex/beta-1.38-1/sources/1.37.0/gh/chamakits/bigdumbstore"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/chamakits/bigdumbstore'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/chamakits/bigdumbstore" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/chamakits/bigdumbstore"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/chamakits/bigdumbstore'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c2616ada43920ae12bf0dc2ce3f4851a9b1f1af9
[INFO] sha for GitHub repo chamakits/bigdumbstore: c2616ada43920ae12bf0dc2ce3f4851a9b1f1af9
[INFO] validating manifest of chamakits/bigdumbstore 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 chamakits/bigdumbstore 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 chamakits/bigdumbstore
[INFO] finished frobbing chamakits/bigdumbstore
[INFO] frobbed toml for chamakits/bigdumbstore written to work/ex/beta-1.38-1/sources/1.37.0/gh/chamakits/bigdumbstore/Cargo.toml
[INFO] started frobbing chamakits/bigdumbstore
[INFO] finished frobbing chamakits/bigdumbstore
[INFO] frobbed toml for chamakits/bigdumbstore written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/chamakits/bigdumbstore/Cargo.toml
[INFO] crate chamakits/bigdumbstore 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 chamakits/bigdumbstore 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/chamakits/bigdumbstore:/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] 7b7ac352da1e7704bd19d64872354a05625233e0ba2567cc068ec8755692a73a
[INFO] running `"docker" "start" "-a" "7b7ac352da1e7704bd19d64872354a05625233e0ba2567cc068ec8755692a73a"`
[INFO] [stderr] warning: profile `doc` is deprecated and has no effect
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.4
[INFO] [stderr]    Compiling libc v0.2.16
[INFO] [stderr]    Compiling libc v0.1.10
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.5
[INFO] [stderr]    Compiling bit-vec v0.4.2
[INFO] [stderr]    Compiling log v0.3.2
[INFO] [stderr]    Compiling kernel32-sys v0.2.1
[INFO] [stderr]    Compiling advapi32-sys v0.1.2
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling rand v0.3.11
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling regex v0.1.77
[INFO] [stderr]    Compiling tempdir v0.3.4
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling bigdumbstore v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bds/file/mod.rs:225:70
[INFO] [stderr]     |
[INFO] [stderr] 225 |     pub fn write_to_key_from_stdin(&mut self, key: &str, stdin: &mut Read) {
[INFO] [stderr]     |                                                                      ^^^^ help: use `dyn`: `dyn Read`
[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/bds/runner/mod.rs:206:84
[INFO] [stderr]     |
[INFO] [stderr] 206 | pub fn writing<'a>(write_args: Vec<String>, path: Option<&'a str>, read_from: &mut Read) {
[INFO] [stderr]     |                                                                                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]    --> src/bds/runner/mod.rs:111:20
[INFO] [stderr]     |
[INFO] [stderr] 111 |                    env::home_dir().unwrap().join(Path::new(rest_of_path)));
[INFO] [stderr]     |                    ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]    --> src/bds/runner/mod.rs:112:13
[INFO] [stderr]     |
[INFO] [stderr] 112 |             env::home_dir().unwrap().join(Path::new(rest_of_path))
[INFO] [stderr]     |             ^^^^^^^^^^^^^
[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 `bigdumbstore`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7b7ac352da1e7704bd19d64872354a05625233e0ba2567cc068ec8755692a73a"`
[INFO] running `"docker" "rm" "-f" "7b7ac352da1e7704bd19d64872354a05625233e0ba2567cc068ec8755692a73a"`
[INFO] [stdout] 7b7ac352da1e7704bd19d64872354a05625233e0ba2567cc068ec8755692a73a