[INFO] updating cached repository https://github.com/ice1000/test_proto_bench
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 058d7e383b52a0a5707836d2aa02192b6c4c20ea
[INFO] checking ice1000/test_proto_bench against beta-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fice1000%2Ftest_proto_bench" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ice1000/test_proto_bench on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ice1000/test_proto_bench
[INFO] finished tweaking git repo https://github.com/ice1000/test_proto_bench
[INFO] tweaked toml for git repo https://github.com/ice1000/test_proto_bench written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ice1000/test_proto_bench already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-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-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0acf860805eeaef75f8030dae0e1f029c7504e8b8e70ef58e33b03bcb209d4d9
[INFO] running `"docker" "start" "-a" "0acf860805eeaef75f8030dae0e1f029c7504e8b8e70ef58e33b03bcb209d4d9"`
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.26
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]     Checking criterion-plot v0.2.5
[INFO] [stderr]     Checking protobuf-codegen v2.2.0
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]     Checking criterion-stats v0.2.5
[INFO] [stderr]     Checking prost v0.4.0
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]     Checking handlebars v0.32.4
[INFO] [stderr]     Checking simplelog v0.5.3
[INFO] [stderr]     Checking csv v1.0.5
[INFO] [stderr]    Compiling failure v0.1.3
[INFO] [stderr]     Checking protobuf-codegen-pure v2.2.0
[INFO] [stderr]     Checking quick-protobuf v0.6.3
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]     Checking criterion v0.2.5
[INFO] [stderr]    Compiling prost-build v0.4.0
[INFO] [stderr]    Compiling prost-derive v0.4.0
[INFO] [stderr]    Compiling prost-types v0.4.0
[INFO] [stderr]    Compiling test_proto_bench v0.1.0 (/opt/rustwide/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(custom_attribute)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[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(custom_attribute)]
[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 `test_proto_bench`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 `test_proto_bench`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "0acf860805eeaef75f8030dae0e1f029c7504e8b8e70ef58e33b03bcb209d4d9"`
[INFO] running `"docker" "rm" "-f" "0acf860805eeaef75f8030dae0e1f029c7504e8b8e70ef58e33b03bcb209d4d9"`
[INFO] [stdout] 0acf860805eeaef75f8030dae0e1f029c7504e8b8e70ef58e33b03bcb209d4d9