[INFO] updating cached repository https://github.com/smolkov/epd24rwb [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] a1f5a4f1735e4d5704cb4452b7ddd7ad73762231 [INFO] checking smolkov/epd24rwb against try#8810c24b0958114d8dbb32d878444e8956fce80f for pr-66063 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmolkov%2Fepd24rwb" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/smolkov/epd24rwb on toolchain 8810c24b0958114d8dbb32d878444e8956fce80f [INFO] running `"/workspace/cargo-home/bin/cargo" "+8810c24b0958114d8dbb32d878444e8956fce80f" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/smolkov/epd24rwb [INFO] finished tweaking git repo https://github.com/smolkov/epd24rwb [INFO] tweaked toml for git repo https://github.com/smolkov/epd24rwb written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/smolkov/epd24rwb already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+8810c24b0958114d8dbb32d878444e8956fce80f" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+8810c24b0958114d8dbb32d878444e8956fce80f" "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] 29332a953f98d4cd41feb1ac932de8791f552a6bcc8c82645fa36ba034b81ef3 [INFO] running `"docker" "start" "-a" "29332a953f98d4cd41feb1ac932de8791f552a6bcc8c82645fa36ba034b81ef3"` [INFO] [stderr] Checking futures-core-preview v0.3.0-alpha.18 [INFO] [stderr] Checking regex-syntax v0.6.11 [INFO] [stderr] Checking nb v0.1.2 [INFO] [stderr] Checking cast v0.2.2 [INFO] [stderr] Checking checked_int_cast v1.0.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Checking async-task v1.0.0 [INFO] [stderr] Compiling nix v0.6.0 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking tinybmp v0.1.0 [INFO] [stderr] Checking tinytga v0.1.0 [INFO] [stderr] Checking sysfs_gpio v0.5.4 [INFO] [stderr] Checking i2cdev v0.4.2 [INFO] [stderr] Checking chrono v0.4.8 [INFO] [stderr] Checking embedded-hal v0.2.3 [INFO] [stderr] Checking futures-sink-preview v0.3.0-alpha.18 [INFO] [stderr] Checking rand v0.7.0 [INFO] [stderr] Checking embedded-graphics v0.4.9 [INFO] [stderr] Checking futures-channel-preview v0.3.0-alpha.18 [INFO] [stderr] Checking image v0.22.1 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking profont v0.2.0 [INFO] [stderr] Checking ssd1675 v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking qrcode v0.11.0 [INFO] [stderr] Checking regex v1.2.1 [INFO] [stderr] Checking spidev v0.3.0 [INFO] [stderr] Checking linux-embedded-hal v0.2.2 [INFO] [stderr] Checking console v0.7.7 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Compiling proc-macro-error v0.2.4 [INFO] [stderr] Compiling proc-macro-hack v0.5.9 [INFO] [stderr] Compiling serde_derive v1.0.99 [INFO] [stderr] Compiling structopt-derive v0.3.0 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Checking structopt v0.3.0 [INFO] [stderr] Compiling futures-join-macro-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling futures-select-macro-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling async-log-attributes v1.0.1 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling paw-attributes v1.0.0 [INFO] [stderr] Checking paw v1.0.0 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.18 [INFO] [stderr] Checking async-log v1.1.0 [INFO] [stderr] Checking async-log v2.0.0 [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/futures-util-preview-0.3.0-alpha.18/src/lib.rs:4:38 [INFO] [stderr] | [INFO] [stderr] 4 | #![cfg_attr(feature = "async-await", feature(async_await))] [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 `futures-util-preview`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "29332a953f98d4cd41feb1ac932de8791f552a6bcc8c82645fa36ba034b81ef3"` [INFO] running `"docker" "rm" "-f" "29332a953f98d4cd41feb1ac932de8791f552a6bcc8c82645fa36ba034b81ef3"` [INFO] [stdout] 29332a953f98d4cd41feb1ac932de8791f552a6bcc8c82645fa36ba034b81ef3