[INFO] crate sim2h_server 0.0.34-alpha1 is already in cache
[INFO] checking sim2h_server-0.0.34-alpha1 against try#5e633973aa9255a88b65a39484627bb54e6044b3 for pr-66063
[INFO] extracting crate sim2h_server 0.0.34-alpha1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate sim2h_server 0.0.34-alpha1 on toolchain 5e633973aa9255a88b65a39484627bb54e6044b3
[INFO] running `"/workspace/cargo-home/bin/cargo" "+5e633973aa9255a88b65a39484627bb54e6044b3" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sim2h_server 0.0.34-alpha1
[INFO] finished tweaking crates.io crate sim2h_server 0.0.34-alpha1
[INFO] tweaked toml for crates.io crate sim2h_server 0.0.34-alpha1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate sim2h_server 0.0.34-alpha1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+5e633973aa9255a88b65a39484627bb54e6044b3" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+5e633973aa9255a88b65a39484627bb54e6044b3" "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] 7274597913cffb2b93913a75e8e6fc4a22ff3bd83ff97f55e56e8d617de03128
[INFO] running `"docker" "start" "-a" "7274597913cffb2b93913a75e8e6fc4a22ff3bd83ff97f55e56e8d617de03128"`
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]     Checking float-cmp v0.4.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking backtrace v0.3.27
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking uuid v0.4.0
[INFO] [stderr]     Checking predicates v1.0.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]     Checking toml v0.5.0
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking rust-base58 v0.0.4
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rustracing v0.2.0
[INFO] [stderr]     Checking parking_lot_core v0.5.0
[INFO] [stderr]     Checking lib3h_crypto_api v0.0.19
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]     Checking lib3h_p2p_protocol v0.0.19
[INFO] [stderr]     Checking holochain_logging v0.0.4
[INFO] [stderr]     Checking rustracing_jaeger v0.2.1
[INFO] [stderr]     Checking parking_lot v0.8.0
[INFO] [stderr]     Checking structopt v0.2.15
[INFO] [stderr]     Checking holochain_tracing v0.0.1
[INFO] [stderr]    Compiling holochain_json_derive v0.0.17
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/holochain_tracing-0.0.1/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(rustc_private)]
[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 `holochain_tracing`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "7274597913cffb2b93913a75e8e6fc4a22ff3bd83ff97f55e56e8d617de03128"`
[INFO] running `"docker" "rm" "-f" "7274597913cffb2b93913a75e8e6fc4a22ff3bd83ff97f55e56e8d617de03128"`
[INFO] [stdout] 7274597913cffb2b93913a75e8e6fc4a22ff3bd83ff97f55e56e8d617de03128