[INFO] cloning repository https://github.com/golddranks/rocket_deadlock_demo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/golddranks/rocket_deadlock_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgolddranks%2Frocket_deadlock_demo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgolddranks%2Frocket_deadlock_demo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] afcf717a485f23f37a0318831aadfaf5935d7add [INFO] checking golddranks/rocket_deadlock_demo against beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgolddranks%2Frocket_deadlock_demo" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/golddranks/rocket_deadlock_demo on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/golddranks/rocket_deadlock_demo [INFO] finished tweaking git repo https://github.com/golddranks/rocket_deadlock_demo [INFO] tweaked toml for git repo https://github.com/golddranks/rocket_deadlock_demo written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/golddranks/rocket_deadlock_demo already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2f7816cbf3c825c31c97581192c42ed4752abeb905a1f24146c9e2db09d98815 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "2f7816cbf3c825c31c97581192c42ed4752abeb905a1f24146c9e2db09d98815", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2f7816cbf3c825c31c97581192c42ed4752abeb905a1f24146c9e2db09d98815", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f7816cbf3c825c31c97581192c42ed4752abeb905a1f24146c9e2db09d98815", kill_on_drop: false }` [INFO] [stdout] 2f7816cbf3c825c31c97581192c42ed4752abeb905a1f24146c9e2db09d98815 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1f702fb94672ef68122308aca72d7f5b72bbbc29f41a307121aae952a4d38a06 [INFO] running `Command { std: "docker" "start" "-a" "1f702fb94672ef68122308aca72d7f5b72bbbc29f41a307121aae952a4d38a06", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.29 [INFO] [stderr] Compiling scopeguard v0.3.2 [INFO] [stderr] Compiling either v1.1.0 [INFO] [stderr] Compiling rayon-core v1.2.1 [INFO] [stderr] Compiling lazy_static v0.2.8 [INFO] [stderr] Compiling futures v0.1.14 [INFO] [stderr] Compiling gcc v0.3.53 [INFO] [stderr] Compiling yansi v0.3.3 [INFO] [stderr] Compiling matches v0.1.6 [INFO] [stderr] Compiling unicode-normalization v0.1.5 [INFO] [stderr] Compiling safemem v0.2.0 [INFO] [stderr] Compiling byteorder v1.1.0 [INFO] [stderr] Compiling percent-encoding v1.0.0 [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/yansi-0.3.3/src/lib.rs:1:32 [INFO] [stdout] | [INFO] [stdout] 1 | #![cfg_attr(feature="nightly", feature(const_fn))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling log v0.3.8 [INFO] [stderr] Compiling untrusted v0.5.0 [INFO] [stderr] Compiling serde v1.0.11 [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `yansi` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "1f702fb94672ef68122308aca72d7f5b72bbbc29f41a307121aae952a4d38a06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f702fb94672ef68122308aca72d7f5b72bbbc29f41a307121aae952a4d38a06", kill_on_drop: false }` [INFO] [stdout] 1f702fb94672ef68122308aca72d7f5b72bbbc29f41a307121aae952a4d38a06