[INFO] updating cached repository https://github.com/walterpie/circus-backend [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] bb861e31e40b26dc3537d239a28f24aa35c646ee [INFO] testing walterpie/circus-backend against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwalterpie%2Fcircus-backend" "/workspace/builds/worker-9/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/walterpie/circus-backend on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/walterpie/circus-backend [INFO] finished tweaking git repo https://github.com/walterpie/circus-backend [INFO] tweaked toml for git repo https://github.com/walterpie/circus-backend written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/walterpie/circus-backend already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=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" "+1.44.0" "build" "--frozen"` [INFO] [stdout] 6b75841b28d767afbfff45b53f994e81126e57248d29aea84c81995183a1035b [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "6b75841b28d767afbfff45b53f994e81126e57248d29aea84c81995183a1035b"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling arc-swap v0.4.5 [INFO] [stderr] Compiling regex-syntax v0.6.17 [INFO] [stderr] Compiling base64 v0.12.0 [INFO] [stderr] Compiling openssl v0.10.28 [INFO] [stderr] Compiling siphasher v0.3.2 [INFO] [stderr] Compiling arrayref v0.3.6 [INFO] [stderr] Compiling pulldown-cmark v0.7.0 [INFO] [stderr] Compiling ring v0.16.12 [INFO] [stderr] Compiling brotli-sys v0.3.2 [INFO] [stderr] Compiling bytestring v0.1.4 [INFO] [stderr] Compiling http v0.2.0 [INFO] [stderr] Compiling openssl-sys v0.9.54 [INFO] [stderr] Compiling ncurses v5.99.0 [INFO] [stderr] Compiling getopts v0.2.21 [INFO] [stderr] Compiling stringprep v0.1.2 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling crypto-mac v0.7.0 [INFO] [stderr] Compiling sha2 v0.8.1 [INFO] [stderr] Compiling hmac v0.7.1 [INFO] [stderr] Compiling phf v0.8.0 [INFO] [stderr] Compiling native-tls v0.2.4 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling num_cpus v1.12.0 [INFO] [stderr] Compiling signal-hook-registry v1.2.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling parking_lot_core v0.7.0 [INFO] [stderr] Compiling backtrace-sys v0.1.34 [INFO] [stderr] Compiling hostname v0.3.1 [INFO] [stderr] Compiling socket2 v0.3.11 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling flate2 v1.0.14 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling backtrace v0.3.45 [INFO] [stderr] Compiling resolv-conf v0.6.3 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling threadpool v1.7.1 [INFO] [stderr] Compiling parking_lot v0.10.0 [INFO] [stderr] Compiling mio v0.6.21 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling chrono v0.4.11 [INFO] [stderr] Compiling pancurses v0.16.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling regex v1.3.5 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling postgres-protocol v0.5.1 [INFO] [stderr] Compiling webpki v0.21.2 [INFO] [stderr] Compiling sct v0.6.0 [INFO] [stderr] Compiling rustls v0.16.0 [INFO] [stderr] Compiling webpki-roots v0.17.0 [INFO] [stderr] Compiling postgres-types v0.1.1 [INFO] [stderr] Compiling brotli2 v0.3.2 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Compiling serde_derive v1.0.105 [INFO] [stderr] Compiling pin-project-internal v0.4.8 [INFO] [stderr] Compiling derive_more v0.99.3 [INFO] [stderr] Compiling actix-macros v0.1.1 [INFO] [stderr] Compiling async-trait v0.1.25 [INFO] [stderr] Compiling failure_derive v0.1.7 [INFO] [stderr] Compiling enum-as-inner v0.3.2 [INFO] [stderr] Compiling actix-web-codegen v0.2.1 [INFO] [stderr] Compiling tokio v0.2.13 [INFO] [stderr] Compiling failure v0.1.7 [INFO] [stderr] Compiling futures-util v0.3.4 [INFO] [stderr] Compiling pin-project v0.4.8 [INFO] [stderr] Compiling futures-executor v0.3.4 [INFO] [stderr] Compiling actix-service v1.0.5 [INFO] [stderr] Compiling futures v0.3.4 [INFO] [stderr] Compiling actix-threadpool v0.3.1 [INFO] [stderr] Compiling tokio-util v0.2.0 [INFO] [stderr] Compiling actix-rt v1.0.0 [INFO] [stderr] Compiling trust-dns-proto v0.18.0-alpha.2 [INFO] [stderr] Compiling tokio-rustls v0.12.2 [INFO] [stderr] Compiling tokio-util v0.3.1 [INFO] [stderr] Compiling tokio-tls v0.3.0 [INFO] [stderr] Compiling serde v1.0.105 [INFO] [stderr] Compiling actix-codec v0.2.0 [INFO] [stderr] Compiling h2 v0.2.2 [INFO] [stderr] Compiling tokio-postgres v0.5.3 [INFO] [stderr] Compiling actix-utils v1.0.6 [INFO] [stderr] Compiling actix-tls v1.0.0 [INFO] [stderr] Compiling actix-server v1.0.2 [INFO] [stderr] Compiling actix-testing v1.0.0 [INFO] [stderr] Compiling trust-dns-resolver v0.18.0-alpha.2 [INFO] [stderr] Compiling postgres-native-tls v0.3.0 [INFO] [stderr] Compiling actix-connect v1.0.2 [INFO] [stderr] Compiling serde_urlencoded v0.6.1 [INFO] [stderr] Compiling serde_json v1.0.48 [INFO] [stderr] Compiling arrayvec v0.5.1 [INFO] [stderr] Compiling actix-router v0.2.4 [INFO] [stderr] Compiling ron v0.5.1 [INFO] [stderr] Compiling blake2b_simd v0.5.10 [INFO] [stderr] Compiling actix-http v1.0.1 [INFO] [stderr] Compiling rust-argon2 v0.8.2 [INFO] [stderr] Compiling awc v1.0.1 [INFO] [stderr] Compiling actix-web v2.0.0 [INFO] [stderr] Compiling actix-identity v0.2.1 [INFO] [stderr] Compiling circus-backend v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(async_closure)] [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 `circus-backend`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "6b75841b28d767afbfff45b53f994e81126e57248d29aea84c81995183a1035b"` [INFO] running `"docker" "rm" "-f" "6b75841b28d767afbfff45b53f994e81126e57248d29aea84c81995183a1035b"` [INFO] [stdout] 6b75841b28d767afbfff45b53f994e81126e57248d29aea84c81995183a1035b