[INFO] fetching crate s_curve 0.1.4...
[INFO] checking s_curve-0.1.4 against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] extracting crate s_curve 0.1.4 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate s_curve 0.1.4 on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "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-11/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" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84105651a5ba23893ebce48f8eb7fd81232a42630cf24d17cc463115c53e5c1b
[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" "84105651a5ba23893ebce48f8eb7fd81232a42630cf24d17cc463115c53e5c1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84105651a5ba23893ebce48f8eb7fd81232a42630cf24d17cc463115c53e5c1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84105651a5ba23893ebce48f8eb7fd81232a42630cf24d17cc463115c53e5c1b", kill_on_drop: false }`
[INFO] [stdout] 84105651a5ba23893ebce48f8eb7fd81232a42630cf24d17cc463115c53e5c1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97244c4c1df5462be5d5979a9a17366549309242077b8a90222956cff4196b89
[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" "97244c4c1df5462be5d5979a9a17366549309242077b8a90222956cff4196b89", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[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 4.43s
[INFO] running `Command { std: "docker" "inspect" "97244c4c1df5462be5d5979a9a17366549309242077b8a90222956cff4196b89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97244c4c1df5462be5d5979a9a17366549309242077b8a90222956cff4196b89", kill_on_drop: false }`
[INFO] [stdout] 97244c4c1df5462be5d5979a9a17366549309242077b8a90222956cff4196b89