[INFO] fetching crate papergrid 0.1.0...
[INFO] checking papergrid-0.1.0 against master#339e19697a39a78f4d669c217b7d21109215de41 for pr-81213
[INFO] extracting crate papergrid 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate papergrid 0.1.0 on toolchain 339e19697a39a78f4d669c217b7d21109215de41
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate papergrid 0.1.0
[INFO] finished tweaking crates.io crate papergrid 0.1.0
[INFO] tweaked toml for crates.io crate papergrid 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c1f6107db8e8d7802ad0d3b31ac6d21b1a3af37896a53ef03153758f9169737
[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" "6c1f6107db8e8d7802ad0d3b31ac6d21b1a3af37896a53ef03153758f9169737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c1f6107db8e8d7802ad0d3b31ac6d21b1a3af37896a53ef03153758f9169737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c1f6107db8e8d7802ad0d3b31ac6d21b1a3af37896a53ef03153758f9169737", kill_on_drop: false }`
[INFO] [stdout] 6c1f6107db8e8d7802ad0d3b31ac6d21b1a3af37896a53ef03153758f9169737
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 7ad1593d9062e37784d3aa8c8c04d4c908955f0d99f4f0e48d49e913d19cb80d
[INFO] running `Command { std: "docker" "start" "-a" "7ad1593d9062e37784d3aa8c8c04d4c908955f0d99f4f0e48d49e913d19cb80d", kill_on_drop: false }`
[INFO] [stderr]     Checking papergrid v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `height`
[INFO] [stdout]    --> src/lib.rs:448:8
[INFO] [stdout]     |
[INFO] [stdout] 448 |     fn height(mut self, h: usize) -> Self {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` 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 0.81s
[INFO] running `Command { std: "docker" "inspect" "7ad1593d9062e37784d3aa8c8c04d4c908955f0d99f4f0e48d49e913d19cb80d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ad1593d9062e37784d3aa8c8c04d4c908955f0d99f4f0e48d49e913d19cb80d", kill_on_drop: false }`
[INFO] [stdout] 7ad1593d9062e37784d3aa8c8c04d4c908955f0d99f4f0e48d49e913d19cb80d