[INFO] cloning repository https://github.com/rtsmarty/discord-bots [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rtsmarty/discord-bots" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frtsmarty%2Fdiscord-bots"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frtsmarty%2Fdiscord-bots'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] c64e3f8b14ca0e505230fd4b03ee5ec0a09f27d4 [INFO] testing rtsmarty/discord-bots against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frtsmarty%2Fdiscord-bots" "/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/rtsmarty/discord-bots on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/rtsmarty/discord-bots [INFO] finished tweaking git repo https://github.com/rtsmarty/discord-bots [INFO] tweaked toml for git repo https://github.com/rtsmarty/discord-bots written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/rtsmarty/discord-bots already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 2358c863c2bc1cf505776dcca22c9ce789199668b95ef71e9b71866bd5395d85 [INFO] running `"docker" "start" "-a" "2358c863c2bc1cf505776dcca22c9ce789199668b95ef71e9b71866bd5395d85"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling proc-macro2 v1.0.12 [INFO] [stderr] Compiling syn v1.0.18 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling cc v1.0.52 [INFO] [stderr] Compiling futures-sink v0.3.4 [INFO] [stderr] Compiling futures-task v0.3.4 [INFO] [stderr] Compiling futures-io v0.3.4 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling openssl v0.10.29 [INFO] [stderr] Compiling native-tls v0.2.4 [INFO] [stderr] Compiling ryu v1.0.4 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling try-lock v0.2.2 [INFO] [stderr] Compiling openssl-probe v0.1.2 [INFO] [stderr] Compiling tower-service v0.3.0 [INFO] [stderr] Compiling regex-syntax v0.6.17 [INFO] [stderr] Compiling base64 v0.12.0 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.2 [INFO] [stderr] Compiling proc-macro-error v1.0.2 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling futures-channel v0.3.4 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Compiling http v0.2.1 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.34 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling mio v0.6.22 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling aho-corasick v0.7.10 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling openssl-sys v0.9.55 [INFO] [stderr] Compiling quote v1.0.4 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling http-body v0.3.1 [INFO] [stderr] Compiling regex v1.3.7 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling serde_json v1.0.52 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling pin-project-internal v0.4.9 [INFO] [stderr] Compiling thiserror-impl v1.0.16 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Compiling tokio v0.2.20 [INFO] [stderr] Compiling futures-util v0.3.4 [INFO] [stderr] Compiling structopt-derive v0.4.7 [INFO] [stderr] Compiling thiserror v1.0.16 [INFO] [stderr] Compiling pin-project v0.4.9 [INFO] [stderr] Compiling futures-executor v0.3.4 [INFO] [stderr] Compiling structopt v0.3.14 [INFO] [stderr] Compiling futures v0.3.4 [INFO] [stderr] Compiling tokio-util v0.3.1 [INFO] [stderr] Compiling tokio-tls v0.3.0 [INFO] [stderr] Compiling h2 v0.2.4 [INFO] [stderr] Compiling hyper v0.13.5 [INFO] [stderr] Compiling discord-bots 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:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(hash_set_entry, maybe_uninit_slice_assume_init, try_blocks)] [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 `discord-bots`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "2358c863c2bc1cf505776dcca22c9ce789199668b95ef71e9b71866bd5395d85"` [INFO] running `"docker" "rm" "-f" "2358c863c2bc1cf505776dcca22c9ce789199668b95ef71e9b71866bd5395d85"` [INFO] [stdout] 2358c863c2bc1cf505776dcca22c9ce789199668b95ef71e9b71866bd5395d85