[INFO] cloning repository https://github.com/clonex10100/urbit-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/clonex10100/urbit-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclonex10100%2Furbit-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclonex10100%2Furbit-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 52a0ff450eed7037bdd91f8b4746407f92cebf3f [INFO] checking clonex10100/urbit-rust against beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclonex10100%2Furbit-rust" "/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/clonex10100/urbit-rust 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/clonex10100/urbit-rust [INFO] finished tweaking git repo https://github.com/clonex10100/urbit-rust [INFO] tweaked toml for git repo https://github.com/clonex10100/urbit-rust written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/clonex10100/urbit-rust 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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded hamming v0.1.3 [INFO] [stderr] Downloaded ramp v0.5.9 [INFO] [stderr] Downloaded rustc-cfg v0.2.0 [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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8b7695147d9504e5fbdef98acc4e724e5c0815bba6e6269acf09b5a6167c985a [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" "8b7695147d9504e5fbdef98acc4e724e5c0815bba6e6269acf09b5a6167c985a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8b7695147d9504e5fbdef98acc4e724e5c0815bba6e6269acf09b5a6167c985a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b7695147d9504e5fbdef98acc4e724e5c0815bba6e6269acf09b5a6167c985a", kill_on_drop: false }` [INFO] [stdout] 8b7695147d9504e5fbdef98acc4e724e5c0815bba6e6269acf09b5a6167c985a [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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/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] f9b02c13af985a780795b752e0667efd87351d194b9594c89b82b1d21e7647f2 [INFO] running `Command { std: "docker" "start" "-a" "f9b02c13af985a780795b752e0667efd87351d194b9594c89b82b1d21e7647f2", kill_on_drop: false }` [INFO] [stderr] Compiling rustc-cfg v0.2.0 [INFO] [stderr] Checking hamming v0.1.3 [INFO] [stderr] Checking ieee754 v0.2.6 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling libc v0.2.77 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Compiling num-bigint v0.1.44 [INFO] [stderr] Compiling ramp v0.5.9 [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/ramp-0.5.9/src/lib.rs:17:1 [INFO] [stdout] | [INFO] [stdout] 17 | #![feature(core_intrinsics, asm, allocator_api)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [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/ramp-0.5.9/src/lib.rs:18:1 [INFO] [stdout] | [INFO] [stdout] 18 | #![feature(step_trait, step_trait_ext, ptr_internals, raw_vec_internals)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `ramp` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "f9b02c13af985a780795b752e0667efd87351d194b9594c89b82b1d21e7647f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9b02c13af985a780795b752e0667efd87351d194b9594c89b82b1d21e7647f2", kill_on_drop: false }` [INFO] [stdout] f9b02c13af985a780795b752e0667efd87351d194b9594c89b82b1d21e7647f2