[INFO] updating cached repository https://github.com/crumblingstatue/cmakr
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b95b52177241ae803e7bea18e41e8e6a691de2ac
[INFO] testing crumblingstatue/cmakr against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrumblingstatue%2Fcmakr" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/crumblingstatue/cmakr on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/crumblingstatue/cmakr
[INFO] finished tweaking git repo https://github.com/crumblingstatue/cmakr
[INFO] tweaked toml for git repo https://github.com/crumblingstatue/cmakr written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/crumblingstatue/cmakr already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 43782def6f75cda2d8e6be9f8df1ecc1b2073288e12f932e659743925b5bcb97
[INFO] running `"docker" "start" "-a" "43782def6f75cda2d8e6be9f8df1ecc1b2073288e12f932e659743925b5bcb97"`
[INFO] [stderr]    Compiling quote v0.6.9
[INFO] [stderr]    Compiling syn v0.15.15
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling cmakr v0.1.0 (/opt/rustwide/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(crate_visibility_modifier)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:12:44
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn find_conf_file() -> Result<PathBuf, Box<Error>> {
[INFO] [stderr]    |                                            ^^^^^ help: use `dyn`: `dyn Error`
[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/main.rs:25:38
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn load_conf() -> Result<Config, Box<Error>> {
[INFO] [stderr]    |                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:31:28
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn run() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:109:74
[INFO] [stderr]     |
[INFO] [stderr] 109 | fn exec<I, S>(bin_name: &str, wd_path: &Path, args: I) -> Result<(), Box<Error>>
[INFO] [stderr]     |                                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:138:62
[INFO] [stderr]     |
[INFO] [stderr] 138 | fn build_target(conf: &Config, name: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                              ^^^^^ help: use `dyn`: `dyn Error`
[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 `cmakr`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "43782def6f75cda2d8e6be9f8df1ecc1b2073288e12f932e659743925b5bcb97"`
[INFO] running `"docker" "rm" "-f" "43782def6f75cda2d8e6be9f8df1ecc1b2073288e12f932e659743925b5bcb97"`
[INFO] [stdout] 43782def6f75cda2d8e6be9f8df1ecc1b2073288e12f932e659743925b5bcb97