[INFO] fetching crate kiss2d 0.1.6...
[INFO] testing kiss2d-0.1.6 against 1.49.0 for beta-1.50-1
[INFO] extracting crate kiss2d 0.1.6 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate kiss2d 0.1.6 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kiss2d 0.1.6
[INFO] finished tweaking crates.io crate kiss2d 0.1.6
[INFO] tweaked toml for crates.io crate kiss2d 0.1.6 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a6d4c66a4e1689584782f31bbed5c150c18b4aeb7a8f6835a8d89074c70e817
[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" "7a6d4c66a4e1689584782f31bbed5c150c18b4aeb7a8f6835a8d89074c70e817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a6d4c66a4e1689584782f31bbed5c150c18b4aeb7a8f6835a8d89074c70e817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a6d4c66a4e1689584782f31bbed5c150c18b4aeb7a8f6835a8d89074c70e817", kill_on_drop: false }`
[INFO] [stdout] 7a6d4c66a4e1689584782f31bbed5c150c18b4aeb7a8f6835a8d89074c70e817
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 961e137d94b7f104c0eef71307224914f19a5596b6cb9a1b15ab1eafa0caf1e5
[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" "961e137d94b7f104c0eef71307224914f19a5596b6cb9a1b15ab1eafa0caf1e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling x11-dl v2.14.0
[INFO] [stderr]    Compiling minifb v0.11.2
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling kiss2d v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `exceeding_bitshifts` has been renamed to `arithmetic_overflow`
[INFO] [stdout]    --> src/vg/raster_fixed.rs:251:33
[INFO] [stdout]     |
[INFO] [stdout] 251 |                         #[allow(exceeding_bitshifts)]
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^ help: use the new name: `arithmetic_overflow`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `exceeding_bitshifts` has been renamed to `arithmetic_overflow`
[INFO] [stdout]    --> src/vg/raster_fixed.rs:251:33
[INFO] [stdout]     |
[INFO] [stdout] 251 |                         #[allow(exceeding_bitshifts)]
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^ help: use the new name: `arithmetic_overflow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(int_to_from_bytes, decl_macro, non_ascii_idents)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: identifier contains uncommon Unicode codepoints
[INFO] [stdout]   --> src/vg/raster_fixed.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const ϕ: int1ϕ = 9;
[INFO] [stdout]    |       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(uncommon_codepoints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: identifier contains uncommon Unicode codepoints
[INFO] [stdout]   --> src/vg/raster_fixed.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | const ϕ: int1ϕ = 9;
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: identifier contains uncommon Unicode codepoints
[INFO] [stdout]   --> src/vg/raster_fixed.rs:32:6
[INFO] [stdout]    |
[INFO] [stdout] 32 | type int2ϕ = i32;
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: identifier contains uncommon Unicode codepoints
[INFO] [stdout]   --> src/vg/raster_fixed.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let ayϕ = (ay * (fxOne as f32)) as int1ϕ;
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: identifier contains uncommon Unicode codepoints
[INFO] [stdout]   --> src/vg/raster_fixed.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let byϕ = (by * (fxOne as f32)) as int1ϕ;
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `int1ϕ` should have an upper camel case name
[INFO] [stdout]   --> src/vg/raster_fixed.rs:21:6
[INFO] [stdout]    |
[INFO] [stdout] 21 | type int1ϕ = i32;
[INFO] [stdout]    |      ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Int1ϕ`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `int2ϕ` should have an upper camel case name
[INFO] [stdout]   --> src/vg/raster_fixed.rs:32:6
[INFO] [stdout]    |
[INFO] [stdout] 32 | type int2ϕ = i32;
[INFO] [stdout]    |      ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Int2ϕ`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/vg/raster_fixed.rs:37:47
[INFO] [stdout]    |
[INFO] [stdout] 37 | #[inline(always)] fn floor(x: int1ϕ) -> i32 { (x >> ϕ) }
[INFO] [stdout]    |                                               ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/vg/raster_fixed.rs:38:47
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[inline(always)] fn ceil(x: int1ϕ) -> i32  { ((x + fxOneMinusIota) >> ϕ) }
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Point`
[INFO] [stdout]  --> src/vg/vector.rs:2:37
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::image::{RGBA, Rectangle, Point};
[INFO] [stdout]   |                                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kiss2d`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "961e137d94b7f104c0eef71307224914f19a5596b6cb9a1b15ab1eafa0caf1e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "961e137d94b7f104c0eef71307224914f19a5596b6cb9a1b15ab1eafa0caf1e5", kill_on_drop: false }`
[INFO] [stdout] 961e137d94b7f104c0eef71307224914f19a5596b6cb9a1b15ab1eafa0caf1e5