[INFO] cloning repository https://github.com/hgzimmerman/Perceptron [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hgzimmerman/Perceptron" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhgzimmerman%2FPerceptron", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhgzimmerman%2FPerceptron'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cabefb0dd7af800f2f7bcaacccae6a06aaf1dd14 [INFO] testing hgzimmerman/Perceptron against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhgzimmerman%2FPerceptron" "/workspace/builds/worker-115/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-115/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hgzimmerman/Perceptron on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hgzimmerman/Perceptron [INFO] finished tweaking git repo https://github.com/hgzimmerman/Perceptron [INFO] tweaked toml for git repo https://github.com/hgzimmerman/Perceptron written to /workspace/builds/worker-115/source/Cargo.toml [INFO] crate git repo https://github.com/hgzimmerman/Perceptron already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0c1babb2d90a3a3302eabdb01d06edaf3e426d63daec8508291aa15c66ca3b93 [INFO] running `Command { std: "docker" "start" "-a" "0c1babb2d90a3a3302eabdb01d06edaf3e426d63daec8508291aa15c66ca3b93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0c1babb2d90a3a3302eabdb01d06edaf3e426d63daec8508291aa15c66ca3b93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c1babb2d90a3a3302eabdb01d06edaf3e426d63daec8508291aa15c66ca3b93", kill_on_drop: false }` [INFO] [stdout] 0c1babb2d90a3a3302eabdb01d06edaf3e426d63daec8508291aa15c66ca3b93 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e1cc96d051c418ec488973c8dfdcd04cdc31c7bca278ea7d513a3b7ba2e206ad [INFO] running `Command { std: "docker" "start" "-a" "e1cc96d051c418ec488973c8dfdcd04cdc31c7bca278ea7d513a3b7ba2e206ad", kill_on_drop: false }` [INFO] [stderr] Compiling perceptron-test v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/lib.rs:139:9 [INFO] [stdout] | [INFO] [stdout] 139 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/lib.rs:138:1 [INFO] [stdout] | [INFO] [stdout] 138 | mod tests { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Boolean::*` [INFO] [stdout] --> src/lib.rs:165:9 [INFO] [stdout] | [INFO] [stdout] 165 | use Boolean::*; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/lib.rs:138:1 [INFO] [stdout] | [INFO] [stdout] 138 | mod tests { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `test::Bencher` [INFO] [stdout] --> src/lib.rs:252:13 [INFO] [stdout] | [INFO] [stdout] 252 | use test::Bencher; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/lib.rs:253:13 [INFO] [stdout] | [INFO] [stdout] 253 | use super::*; [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:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(test)] [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 4 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 `perceptron-test` due to 2 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "e1cc96d051c418ec488973c8dfdcd04cdc31c7bca278ea7d513a3b7ba2e206ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1cc96d051c418ec488973c8dfdcd04cdc31c7bca278ea7d513a3b7ba2e206ad", kill_on_drop: false }` [INFO] [stdout] e1cc96d051c418ec488973c8dfdcd04cdc31c7bca278ea7d513a3b7ba2e206ad