[INFO] fetching crate rustencils 0.1.0...
[INFO] checking rustencils-0.1.0 against beta for pr-78714
[INFO] extracting crate rustencils 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rustencils 0.1.0 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 crates.io crate rustencils 0.1.0
[INFO] finished tweaking crates.io crate rustencils 0.1.0
[INFO] tweaked toml for crates.io crate rustencils 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5e6afb2ae15d3ca9d87d63c54ecd96d524be943a7aa9f09fcebf0ecfd615f03b
[INFO] running `Command { std: "docker" "start" "-a" "5e6afb2ae15d3ca9d87d63c54ecd96d524be943a7aa9f09fcebf0ecfd615f03b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e6afb2ae15d3ca9d87d63c54ecd96d524be943a7aa9f09fcebf0ecfd615f03b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e6afb2ae15d3ca9d87d63c54ecd96d524be943a7aa9f09fcebf0ecfd615f03b", kill_on_drop: false }`
[INFO] [stdout] 5e6afb2ae15d3ca9d87d63c54ecd96d524be943a7aa9f09fcebf0ecfd615f03b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] b48faff036a6d3fd6f57681d130f76fc85ff60c8aeb2d3afe92969d42e93d15c
[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" "b48faff036a6d3fd6f57681d130f76fc85ff60c8aeb2d3afe92969d42e93d15c", kill_on_drop: false }`
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]     Checking rustencils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/lib.rs:199:9
[INFO] [stdout]     |
[INFO] [stdout] 199 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.26s
[INFO] running `Command { std: "docker" "inspect" "b48faff036a6d3fd6f57681d130f76fc85ff60c8aeb2d3afe92969d42e93d15c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b48faff036a6d3fd6f57681d130f76fc85ff60c8aeb2d3afe92969d42e93d15c", kill_on_drop: false }`
[INFO] [stdout] b48faff036a6d3fd6f57681d130f76fc85ff60c8aeb2d3afe92969d42e93d15c