[INFO] fetching crate purrmitive 0.1.3...
[INFO] checking purrmitive-0.1.3 against beta for pr-78714
[INFO] extracting crate purrmitive 0.1.3 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate purrmitive 0.1.3 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate purrmitive 0.1.3
[INFO] finished tweaking crates.io crate purrmitive 0.1.3
[INFO] tweaked toml for crates.io crate purrmitive 0.1.3 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate purrmitive 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9822f43e37d7485408a8bc61e41a1a7202cbf20bb5f9270720b47e827042f8e5
[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" "9822f43e37d7485408a8bc61e41a1a7202cbf20bb5f9270720b47e827042f8e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9822f43e37d7485408a8bc61e41a1a7202cbf20bb5f9270720b47e827042f8e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9822f43e37d7485408a8bc61e41a1a7202cbf20bb5f9270720b47e827042f8e5", kill_on_drop: false }`
[INFO] [stdout] 9822f43e37d7485408a8bc61e41a1a7202cbf20bb5f9270720b47e827042f8e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91e2648e8c0b65580c423f1b25a454329a127d317776dc1f729e718d9d6114f7
[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" "91e2648e8c0b65580c423f1b25a454329a127d317776dc1f729e718d9d6114f7", kill_on_drop: false }`
[INFO] [stderr]     Checking bytemuck v1.3.1
[INFO] [stderr]     Checking dyn-fmt v0.3.0
[INFO] [stderr]    Compiling nsvg v0.5.1
[INFO] [stderr]     Checking tiff v0.5.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rayon v1.3.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking image v0.23.8
[INFO] [stderr]     Checking purrmitive v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::graphics::Point`
[INFO] [stdout]  --> src/graphics/scanline.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::graphics::Point;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::graphics::Point`
[INFO] [stdout]  --> src/graphics/scanline.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::graphics::Point;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]    --> src/core/algo.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |     let mut r = 0;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `g` is never read
[INFO] [stdout]    --> src/core/algo.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 |     let mut g = 0;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `b` is never read
[INFO] [stdout]    --> src/core/algo.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 |     let mut b = 0;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/graphics/raster.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 141 |     let rhs = sy > 0;
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lhs`
[INFO] [stdout]    --> src/graphics/raster.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |     let lhs = sy < 0;
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_lhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `xy` is never read
[INFO] [stdout]    --> src/graphics/raster.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |     let mut xy: i32 = 0;
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `dx` is never read
[INFO] [stdout]    --> src/graphics/raster.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |     let mut dx: f64 = 0.;
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `dy` is never read
[INFO] [stdout]    --> src/graphics/raster.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |     let mut dy: f64 = 0.;
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `err` is never read
[INFO] [stdout]    --> src/graphics/raster.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |     let mut err: f64 = 0.;
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]    --> src/graphics/raster.rs:244:9
[INFO] [stdout]     |
[INFO] [stdout] 244 |     let mut r: f64 = 0.;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]    --> src/core/algo.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |     let mut r = 0;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `g` is never read
[INFO] [stdout]    --> src/core/algo.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 |     let mut g = 0;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `b` is never read
[INFO] [stdout]    --> src/core/algo.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 |     let mut b = 0;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/graphics/raster.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 141 |     let rhs = sy > 0;
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lhs`
[INFO] [stdout]    --> src/graphics/raster.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |     let lhs = sy < 0;
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_lhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `xy` is never read
[INFO] [stdout]    --> src/graphics/raster.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |     let mut xy: i32 = 0;
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `dx` is never read
[INFO] [stdout]    --> src/graphics/raster.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |     let mut dx: f64 = 0.;
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `dy` is never read
[INFO] [stdout]    --> src/graphics/raster.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |     let mut dy: f64 = 0.;
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `err` is never read
[INFO] [stdout]    --> src/graphics/raster.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |     let mut err: f64 = 0.;
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]    --> src/graphics/raster.rs:244:9
[INFO] [stdout]     |
[INFO] [stdout] 244 |     let mut r: f64 = 0.;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/graphics/raster.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |     mut x1: i32,
[INFO] [stdout]     |     ----^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/graphics/raster.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |     mut x1: i32,
[INFO] [stdout]     |     ----^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.14s
[INFO] running `Command { std: "docker" "inspect" "91e2648e8c0b65580c423f1b25a454329a127d317776dc1f729e718d9d6114f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91e2648e8c0b65580c423f1b25a454329a127d317776dc1f729e718d9d6114f7", kill_on_drop: false }`
[INFO] [stdout] 91e2648e8c0b65580c423f1b25a454329a127d317776dc1f729e718d9d6114f7