[INFO] updating cached repository https://github.com/htrefil/tg-bot [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] 450875c213364c9e9b4e91c532468a0e058432a3 [INFO] testing htrefil/tg-bot against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhtrefil%2Ftg-bot" "/workspace/builds/worker-5/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/htrefil/tg-bot 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/htrefil/tg-bot [INFO] finished tweaking git repo https://github.com/htrefil/tg-bot [INFO] tweaked toml for git repo https://github.com/htrefil/tg-bot written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/htrefil/tg-bot 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 62f95333391b71bb07c89c0abb34b2754c4eaeabf83157196568a6d065e8d8cb [INFO] running `"docker" "start" "-a" "62f95333391b71bb07c89c0abb34b2754c4eaeabf83157196568a6d065e8d8cb"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling spin v0.5.2 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling futures-core-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling futures-sink-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling smallvec v0.6.10 [INFO] [stderr] Compiling pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling tower-service v0.3.0-alpha.2 [INFO] [stderr] Compiling remove_dir_all v0.5.2 [INFO] [stderr] Compiling unicode-segmentation v1.3.0 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num_cpus v1.10.1 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling error-chain v0.11.0 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling tracing-core v0.1.7 [INFO] [stderr] Compiling openssl v0.10.25 [INFO] [stderr] Compiling futures-channel-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling mime_guess v1.8.7 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling mio v0.6.19 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling tokio-executor v0.1.8 [INFO] [stderr] Compiling crossbeam-channel v0.3.9 [INFO] [stderr] Compiling tokio-io v0.1.12 [INFO] [stderr] Compiling http v0.1.19 [INFO] [stderr] Compiling string v0.2.1 [INFO] [stderr] Compiling mime v0.2.6 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling tokio-current-thread v0.1.6 [INFO] [stderr] Compiling tokio-timer v0.2.11 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling tokio-codec v0.1.1 [INFO] [stderr] Compiling rand v0.7.2 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling tokio-reactor v0.1.10 [INFO] [stderr] Compiling ordered-float v1.0.2 [INFO] [stderr] Compiling tokio-threadpool v0.1.16 [INFO] [stderr] Compiling tokio-udp v0.1.5 [INFO] [stderr] Compiling tokio-tcp v0.1.3 [INFO] [stderr] Compiling tokio-uds v0.2.5 [INFO] [stderr] Compiling tokio-fs v0.1.6 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling multipart v0.16.1 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Compiling tokio-sync v0.2.0-alpha.6 [INFO] [stderr] Compiling futures-executor-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling http-body v0.2.0-alpha.3 [INFO] [stderr] Compiling futures-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling proc-macro-error v0.2.6 [INFO] [stderr] Compiling pin-project-internal v0.4.5 [INFO] [stderr] Compiling tracing-attributes v0.1.5 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Compiling tokio-macros v0.2.0-alpha.6 [INFO] [stderr] Compiling structopt-derive v0.3.3 [INFO] [stderr] Compiling tracing v0.1.10 [INFO] [stderr] Compiling tokio-executor v0.2.0-alpha.6 [INFO] [stderr] Compiling structopt v0.3.3 [INFO] [stderr] Compiling pin-project v0.4.5 [INFO] [stderr] Compiling tokio-io v0.2.0-alpha.6 [INFO] [stderr] Compiling tracing-futures v0.1.0 [INFO] [stderr] Compiling tokio-codec v0.2.0-alpha.6 [INFO] [stderr] Compiling tower-make v0.3.0-alpha.2a [INFO] [stderr] Compiling tokio-tls v0.3.0-alpha.6 [INFO] [stderr] Compiling tokio-fs v0.2.0-alpha.6 [INFO] [stderr] Compiling tokio-timer v0.3.0-alpha.6 [INFO] [stderr] Compiling tokio-net v0.2.0-alpha.6 [INFO] [stderr] Compiling h2 v0.2.0-alpha.3 [INFO] [stderr] Compiling tokio v0.2.0-alpha.6 [INFO] [stderr] Compiling hyper v0.13.0-alpha.4 [INFO] [stderr] Compiling hyper-tls v0.4.0-alpha.4 [INFO] [stderr] Compiling serde-value v0.5.3 [INFO] [stderr] Compiling serde_json v1.0.41 [INFO] [stderr] Compiling telegram-bot-raw v0.7.0-alpha.0 (https://github.com/telegram-rs/telegram-bot?rev=9b514902f191f7dc0a76ba50486789092ee3f59c#9b514902) [INFO] [stderr] Compiling telegram-bot v0.7.0-alpha.0 (https://github.com/telegram-rs/telegram-bot?rev=9b514902f191f7dc0a76ba50486789092ee3f59c#9b514902) [INFO] [stderr] Compiling tg-bot 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(process_exitcode_placeholder)] [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 `tg-bot`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "62f95333391b71bb07c89c0abb34b2754c4eaeabf83157196568a6d065e8d8cb"` [INFO] running `"docker" "rm" "-f" "62f95333391b71bb07c89c0abb34b2754c4eaeabf83157196568a6d065e8d8cb"` [INFO] [stdout] 62f95333391b71bb07c89c0abb34b2754c4eaeabf83157196568a6d065e8d8cb