[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] checking RaspPiTor/predictive against beta-2021-10-15 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRaspPiTor%2Fpredictive" "/workspace/builds/worker-116/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-116/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RaspPiTor/predictive on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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-116/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-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 943456080feb1de44cbb0d44f1af1de8ecba035b2b7d818bd289db0c0a97af6b
[INFO] running `Command { std: "docker" "start" "-a" "943456080feb1de44cbb0d44f1af1de8ecba035b2b7d818bd289db0c0a97af6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "943456080feb1de44cbb0d44f1af1de8ecba035b2b7d818bd289db0c0a97af6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "943456080feb1de44cbb0d44f1af1de8ecba035b2b7d818bd289db0c0a97af6b", kill_on_drop: false }`
[INFO] [stdout] 943456080feb1de44cbb0d44f1af1de8ecba035b2b7d818bd289db0c0a97af6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cda05e9bfe7953bb2694542ee5602b83350968b93d1bf99bc92bb4f3457fbc98
[INFO] running `Command { std: "docker" "start" "-a" "cda05e9bfe7953bb2694542ee5602b83350968b93d1bf99bc92bb4f3457fbc98", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking 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] 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] [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] [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: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: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: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] 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: 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] 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" "cda05e9bfe7953bb2694542ee5602b83350968b93d1bf99bc92bb4f3457fbc98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cda05e9bfe7953bb2694542ee5602b83350968b93d1bf99bc92bb4f3457fbc98", kill_on_drop: false }`
[INFO] [stdout] cda05e9bfe7953bb2694542ee5602b83350968b93d1bf99bc92bb4f3457fbc98
