[INFO] cloning repository https://github.com/RaspPiTor/predictive [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RaspPiTor/predictive" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRaspPiTor%2Fpredictive", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRaspPiTor%2Fpredictive'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1f775bbdb2cb2a6b5069eb59211e72b4d08e77c7 [INFO] testing RaspPiTor/predictive against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRaspPiTor%2Fpredictive" "/workspace/builds/worker-40/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-40/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/RaspPiTor/predictive on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/RaspPiTor/predictive [INFO] finished tweaking git repo https://github.com/RaspPiTor/predictive [INFO] tweaked toml for git repo https://github.com/RaspPiTor/predictive written to /workspace/builds/worker-40/source/Cargo.toml [INFO] crate git repo https://github.com/RaspPiTor/predictive already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a95ea5b8f2fa1e7ebd8128c4a1225686292029d00af6a3db5e03a25bc43bdb6d [INFO] running `Command { std: "docker" "start" "-a" "a95ea5b8f2fa1e7ebd8128c4a1225686292029d00af6a3db5e03a25bc43bdb6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a95ea5b8f2fa1e7ebd8128c4a1225686292029d00af6a3db5e03a25bc43bdb6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a95ea5b8f2fa1e7ebd8128c4a1225686292029d00af6a3db5e03a25bc43bdb6d", kill_on_drop: false }` [INFO] [stdout] a95ea5b8f2fa1e7ebd8128c4a1225686292029d00af6a3db5e03a25bc43bdb6d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 85b330b0f2f72ddd223759dd3e4b8232a8f1fa4a7b8e7b0c17abc3461e82c2d4 [INFO] running `Command { std: "docker" "start" "-a" "85b330b0f2f72ddd223759dd3e4b8232a8f1fa4a7b8e7b0c17abc3461e82c2d4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.48 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling predictive v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(core_intrinsics, test)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around `if` condition [INFO] [stdout] --> src/lib.rs:68:48 [INFO] [stdout] | [INFO] [stdout] 68 | let largest_layer_capacity: usize = if { nodes_in_layer + 1 > output_size } { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `predictive` due to 2 previous errors; 5 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unnecessary braces around `if` condition [INFO] [stdout] --> src/lib.rs:245:28 [INFO] [stdout] | [INFO] [stdout] 245 | if { current_score < last_current_score } { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around `if` condition [INFO] [stdout] --> src/lib.rs:247:32 [INFO] [stdout] | [INFO] [stdout] 247 | ... if { current_score < new_score } { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around `if` condition [INFO] [stdout] --> src/lib.rs:258:16 [INFO] [stdout] | [INFO] [stdout] 258 | if { new_score < previous_score } { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around `if` condition [INFO] [stdout] --> src/lib.rs:277:16 [INFO] [stdout] | [INFO] [stdout] 277 | if { score < best_score } { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "85b330b0f2f72ddd223759dd3e4b8232a8f1fa4a7b8e7b0c17abc3461e82c2d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85b330b0f2f72ddd223759dd3e4b8232a8f1fa4a7b8e7b0c17abc3461e82c2d4", kill_on_drop: false }` [INFO] [stdout] 85b330b0f2f72ddd223759dd3e4b8232a8f1fa4a7b8e7b0c17abc3461e82c2d4