[INFO] fetching crate plotters-piston 0.3.0...
[INFO] checking plotters-piston-0.3.0 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate plotters-piston 0.3.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate plotters-piston 0.3.0 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate plotters-piston 0.3.0
[INFO] finished tweaking crates.io crate plotters-piston 0.3.0
[INFO] tweaked toml for crates.io crate plotters-piston 0.3.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate plotters-piston 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0537b4587ffdcb679b0c32b8b24daa2befa354fe1592132b7aef4b0d96f7cd02
[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" "0537b4587ffdcb679b0c32b8b24daa2befa354fe1592132b7aef4b0d96f7cd02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0537b4587ffdcb679b0c32b8b24daa2befa354fe1592132b7aef4b0d96f7cd02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0537b4587ffdcb679b0c32b8b24daa2befa354fe1592132b7aef4b0d96f7cd02", kill_on_drop: false }`
[INFO] [stdout] 0537b4587ffdcb679b0c32b8b24daa2befa354fe1592132b7aef4b0d96f7cd02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fd60333465ce50412741e2611893cb172f76af2d3e4b53103766b0b716fa9c6
[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" "5fd60333465ce50412741e2611893cb172f76af2d3e4b53103766b0b716fa9c6", kill_on_drop: false }`
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[INFO] [stderr]     Checking piston-gfx_texture v0.41.0
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[INFO] [stderr]     Checking pistoncore-window v0.47.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.52.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.66.0
[INFO] [stderr]     Checking piston v0.52.0
[INFO] [stderr]     Checking piston_window v0.112.0
[INFO] [stderr]     Checking plotters-piston v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `PistonBackend`
[INFO] [stdout]  --> examples/cpustat.rs:3:43
[INFO] [stdout]   |
[INFO] [stdout] 3 | use plotters_piston::{draw_piston_window, PistonBackend};
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `plotters::chart::ChartBuilder::<'a, 'b, DB>::build_ranged`: `build_ranged` has been renamed to `build_cartesian_2d` and is to be removed in the future.
[INFO] [stdout]   --> examples/cpustat.rs:46:14
[INFO] [stdout]    |
[INFO] [stdout] 46 |             .build_ranged(0..N_DATA_POINTS as u32, 0f32..1f32)?;
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 14s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5fd60333465ce50412741e2611893cb172f76af2d3e4b53103766b0b716fa9c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fd60333465ce50412741e2611893cb172f76af2d3e4b53103766b0b716fa9c6", kill_on_drop: false }`
[INFO] [stdout] 5fd60333465ce50412741e2611893cb172f76af2d3e4b53103766b0b716fa9c6