[INFO] fetching crate pixel_grid 0.5.0...
[INFO] checking pixel_grid-0.5.0 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate pixel_grid 0.5.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate pixel_grid 0.5.0 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pixel_grid 0.5.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate pixel_grid 0.5.0
[INFO] tweaked toml for crates.io crate pixel_grid 0.5.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
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[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a76c8e6ee69157665f5eada2ddd489d71647a41314e6e44aa8a778a75cbb09c
[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" "1a76c8e6ee69157665f5eada2ddd489d71647a41314e6e44aa8a778a75cbb09c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a76c8e6ee69157665f5eada2ddd489d71647a41314e6e44aa8a778a75cbb09c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a76c8e6ee69157665f5eada2ddd489d71647a41314e6e44aa8a778a75cbb09c", kill_on_drop: false }`
[INFO] [stdout] 1a76c8e6ee69157665f5eada2ddd489d71647a41314e6e44aa8a778a75cbb09c
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f200bac7822b23571c570148ec74878bb15c91f84a9f88a9d52c085e34f63395
[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" "f200bac7822b23571c570148ec74878bb15c91f84a9f88a9d52c085e34f63395", kill_on_drop: false }`
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[INFO] [stderr]    Compiling xml-rs v0.8.3
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[INFO] [stderr]     Checking pixel_grid v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `set_colour_array_f32` found for struct `Pixel<'_>` in the current scope
[INFO] [stdout]   --> examples/gradient.rs:21:23
[INFO] [stdout]    |
[INFO] [stdout] 21 |                 pixel.set_colour_array_f32([x, y, 1., 1.]);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^ help: there is an associated function with a similar name: `set_colour_array_rgb_f32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pixel_grid`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "f200bac7822b23571c570148ec74878bb15c91f84a9f88a9d52c085e34f63395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f200bac7822b23571c570148ec74878bb15c91f84a9f88a9d52c085e34f63395", kill_on_drop: false }`
[INFO] [stdout] f200bac7822b23571c570148ec74878bb15c91f84a9f88a9d52c085e34f63395