[INFO] updating cached repository rbalicki2/hello-rocket
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rbalicki2/hello-rocket
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rbalicki2/hello-rocket" "work/ex/beta-1.38-1/sources/1.37.0/gh/rbalicki2/hello-rocket"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/rbalicki2/hello-rocket'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rbalicki2/hello-rocket" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rbalicki2/hello-rocket"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rbalicki2/hello-rocket'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ef87c038ab9f1e40a5080eb6d76af06e730f43ec
[INFO] sha for GitHub repo rbalicki2/hello-rocket: ef87c038ab9f1e40a5080eb6d76af06e730f43ec
[INFO] validating manifest of rbalicki2/hello-rocket 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 rbalicki2/hello-rocket 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 rbalicki2/hello-rocket
[INFO] finished frobbing rbalicki2/hello-rocket
[INFO] frobbed toml for rbalicki2/hello-rocket written to work/ex/beta-1.38-1/sources/1.37.0/gh/rbalicki2/hello-rocket/Cargo.toml
[INFO] started frobbing rbalicki2/hello-rocket
[INFO] finished frobbing rbalicki2/hello-rocket
[INFO] frobbed toml for rbalicki2/hello-rocket written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rbalicki2/hello-rocket/Cargo.toml
[INFO] crate rbalicki2/hello-rocket 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 rbalicki2/hello-rocket 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/rbalicki2/hello-rocket:/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] 1201ce7740e44298aa06e9e22101487be408f105c7933243a3a46b552c8e4301
[INFO] running `"docker" "start" "-a" "1201ce7740e44298aa06e9e22101487be408f105c7933243a3a46b552c8e4301"`
[INFO] [stderr]    Compiling gcc v0.3.46
[INFO] [stderr]    Compiling pq-sys v0.4.3
[INFO] [stderr]    Compiling version_check v0.1.0
[INFO] [stderr]    Compiling httparse v1.2.2
[INFO] [stderr]    Compiling term v0.4.5
[INFO] [stderr]    Compiling state v0.2.1
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling num_cpus v1.4.0
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/state-0.2.1/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(const_fn)]
[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 `state`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "1201ce7740e44298aa06e9e22101487be408f105c7933243a3a46b552c8e4301"`
[INFO] running `"docker" "rm" "-f" "1201ce7740e44298aa06e9e22101487be408f105c7933243a3a46b552c8e4301"`
[INFO] [stdout] 1201ce7740e44298aa06e9e22101487be408f105c7933243a3a46b552c8e4301