[INFO] updating cached repository https://github.com/iovxw/rssbot [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] [stderr] From https://github.com/iovxw/rssbot [INFO] [stderr] - [deleted] (none) -> limited [INFO] [stderr] cb7eec6..e2a7f76 2.x -> 2.x [INFO] [stderr] * [new tag] v2.0.0-alpha.6 -> v2.0.0-alpha.6 [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] e2a7f766c7f7094b258e1ed99dc460e2e0262537 [INFO] testing iovxw/rssbot against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiovxw%2Frssbot" "/workspace/builds/worker-11/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/iovxw/rssbot 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/iovxw/rssbot [INFO] finished tweaking git repo https://github.com/iovxw/rssbot [INFO] tweaked toml for git repo https://github.com/iovxw/rssbot written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/iovxw/rssbot 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] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] d7d3244a587aaa125cb12807916102cf184a15966d4366a2330fd7c7ed181fcc [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" "d7d3244a587aaa125cb12807916102cf184a15966d4366a2330fd7c7ed181fcc"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling pinyin v0.7.0 [INFO] [stderr] Compiling Inflector v0.11.4 [INFO] [stderr] Compiling ring v0.16.11 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.2 [INFO] [stderr] Compiling proc-macro-error v1.0.2 [INFO] [stderr] Compiling typed-headers v0.2.0 [INFO] [stderr] Compiling quick-xml v0.18.1 [INFO] [stderr] Compiling async-compression v0.3.1 [INFO] [stderr] Compiling webpki v0.21.2 [INFO] [stderr] Compiling sct v0.6.0 [INFO] [stderr] Compiling ct-logs v0.6.0 [INFO] [stderr] Compiling rustls v0.16.0 [INFO] [stderr] Compiling rustls v0.17.0 [INFO] [stderr] Compiling webpki-roots v0.19.0 [INFO] [stderr] Compiling rustls-native-certs v0.1.0 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling pmutil v0.5.3 [INFO] [stderr] Compiling pin-project-internal v0.4.8 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling serde_derive v1.0.111 [INFO] [stderr] Compiling thiserror-impl v1.0.19 [INFO] [stderr] Compiling tracing-attributes v0.1.7 [INFO] [stderr] Compiling enum-as-inner v0.3.2 [INFO] [stderr] Compiling async-trait v0.1.26 [INFO] [stderr] Compiling paste-impl v0.1.11 [INFO] [stderr] Compiling is-macro v0.1.8 [INFO] [stderr] Compiling paste v0.1.11 [INFO] [stderr] Compiling tokio v0.2.21 [INFO] [stderr] Compiling structopt-derive v0.4.7 [INFO] [stderr] Compiling thiserror v1.0.19 [INFO] [stderr] Compiling tracing v0.1.13 [INFO] [stderr] Compiling pin-project v0.4.8 [INFO] [stderr] Compiling futures-util v0.3.5 [INFO] [stderr] Compiling tracing-futures v0.2.3 [INFO] [stderr] Compiling structopt v0.3.14 [INFO] [stderr] Compiling tokio-util v0.2.0 [INFO] [stderr] Compiling tokio-rustls v0.12.2 [INFO] [stderr] Compiling tokio-rustls v0.13.0 [INFO] [stderr] Compiling serde v1.0.111 [INFO] [stderr] Compiling futures-executor v0.3.5 [INFO] [stderr] Compiling h2 v0.2.2 [INFO] [stderr] Compiling futures v0.3.5 [INFO] [stderr] Compiling trust-dns-proto v0.19.3 [INFO] [stderr] Compiling hyper v0.13.4 [INFO] [stderr] Compiling trust-dns-resolver v0.19.3 [INFO] [stderr] Compiling toml v0.5.6 [INFO] [stderr] Compiling serde_json v1.0.53 [INFO] [stderr] Compiling serde_urlencoded v0.6.1 [INFO] [stderr] Compiling hyper-rustls v0.19.1 [INFO] [stderr] Compiling hyper-rustls v0.20.0 [INFO] [stderr] Compiling ctl10n v0.2.0 [INFO] [stderr] Compiling reqwest v0.10.6 [INFO] [stderr] Compiling hyper-proxy v0.6.0 [INFO] [stderr] Compiling rssbot v2.0.0-alpha.6 (/opt/rustwide/workdir) [INFO] [stderr] Compiling tbot v0.6.3 [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(backtrace)] [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 `rssbot`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "d7d3244a587aaa125cb12807916102cf184a15966d4366a2330fd7c7ed181fcc"` [INFO] running `"docker" "rm" "-f" "d7d3244a587aaa125cb12807916102cf184a15966d4366a2330fd7c7ed181fcc"` [INFO] [stdout] d7d3244a587aaa125cb12807916102cf184a15966d4366a2330fd7c7ed181fcc