[INFO] updating cached repository https://github.com/battleplanes/battleplanes-rust
[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] 45826174eb257b053d151d5456177de8c15fd874
[INFO] testing battleplanes/battleplanes-rust against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbattleplanes%2Fbattleplanes-rust" "work/builds/worker-10/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/battleplanes/battleplanes-rust on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/battleplanes/battleplanes-rust
[INFO] finished tweaking git repo https://github.com/battleplanes/battleplanes-rust
[INFO] tweaked toml for git repo https://github.com/battleplanes/battleplanes-rust written to work/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/battleplanes/battleplanes-rust already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 6bf9ecb55043dfad78bf6974ec00c73ac4b133411dd881d479b057ebf3b8df77
[INFO] running `"docker" "start" "-a" "6bf9ecb55043dfad78bf6974ec00c73ac4b133411dd881d479b057ebf3b8df77"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling gcc v0.3.38
[INFO] [stderr]    Compiling rustc-serialize v0.3.21
[INFO] [stderr]    Compiling httparse v1.2.0
[INFO] [stderr]    Compiling sequence_trie v0.0.13
[INFO] [stderr]    Compiling spin v0.4.5
[INFO] [stderr]    Compiling route-recognizer v0.1.11
[INFO] [stderr]    Compiling http-range v0.1.1
[INFO] [stderr]    Compiling urlparse v0.7.3
[INFO] [stderr]    Compiling walkdir v1.0.1
[INFO] [stderr]    Compiling num_cpus v1.1.0
[INFO] [stderr]    Compiling error v0.1.9
[INFO] [stderr]    Compiling num_cpus v0.2.13
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling idna v0.1.0
[INFO] [stderr]    Compiling openssl-sys v0.7.17
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.5/src/lib.rs:6:30
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![cfg_attr(feature = "asm", feature(asm))]
[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 `spin`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "6bf9ecb55043dfad78bf6974ec00c73ac4b133411dd881d479b057ebf3b8df77"`
[INFO] running `"docker" "rm" "-f" "6bf9ecb55043dfad78bf6974ec00c73ac4b133411dd881d479b057ebf3b8df77"`
[INFO] [stdout] 6bf9ecb55043dfad78bf6974ec00c73ac4b133411dd881d479b057ebf3b8df77