[INFO] fetching crate s_curve 0.1.4...
[INFO] checking s_curve-0.1.4 against beta for pr-78714
[INFO] extracting crate s_curve 0.1.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate s_curve 0.1.4 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 s_curve 0.1.4
[INFO] finished tweaking crates.io crate s_curve 0.1.4
[INFO] tweaked toml for crates.io crate s_curve 0.1.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate s_curve 0.1.4 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] 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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2423696c992822ba3a7bf8611236396bdf3f4023a027da03f25d6d9d2016faf3
[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" "2423696c992822ba3a7bf8611236396bdf3f4023a027da03f25d6d9d2016faf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2423696c992822ba3a7bf8611236396bdf3f4023a027da03f25d6d9d2016faf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2423696c992822ba3a7bf8611236396bdf3f4023a027da03f25d6d9d2016faf3", kill_on_drop: false }`
[INFO] [stdout] 2423696c992822ba3a7bf8611236396bdf3f4023a027da03f25d6d9d2016faf3
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55d34c9a7a755369211740d5241f14343bb879e70a4fbd9eac6af8594602b4b3
[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" "55d34c9a7a755369211740d5241f14343bb879e70a4fbd9eac6af8594602b4b3", kill_on_drop: false }`
[INFO] [stderr]     Checking s_curve v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking gnuplot v0.0.37
[INFO] [stdout] warning: unused import: `Color`
[INFO] [stdout]  --> examples/plot.rs:2:32
[INFO] [stdout]   |
[INFO] [stdout] 2 | use gnuplot::{Figure, Caption, Color, AxesCommon};
[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 1.84s
[INFO] running `Command { std: "docker" "inspect" "55d34c9a7a755369211740d5241f14343bb879e70a4fbd9eac6af8594602b4b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55d34c9a7a755369211740d5241f14343bb879e70a4fbd9eac6af8594602b4b3", kill_on_drop: false }`
[INFO] [stdout] 55d34c9a7a755369211740d5241f14343bb879e70a4fbd9eac6af8594602b4b3