[INFO] cloning repository https://github.com/MakarovIlya944/rust-gui-polynom
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MakarovIlya944/rust-gui-polynom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMakarovIlya944%2Frust-gui-polynom", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMakarovIlya944%2Frust-gui-polynom'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b29ca2a8090734e190b1ffdd1b25c516c6beebeb
[INFO] checking MakarovIlya944/rust-gui-polynom against master#1ab98933fa75d72e882b86feac1a0be3a5b02cb0 for pr-83850
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMakarovIlya944%2Frust-gui-polynom" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MakarovIlya944/rust-gui-polynom on toolchain 1ab98933fa75d72e882b86feac1a0be3a5b02cb0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1ab98933fa75d72e882b86feac1a0be3a5b02cb0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MakarovIlya944/rust-gui-polynom
[INFO] finished tweaking git repo https://github.com/MakarovIlya944/rust-gui-polynom
[INFO] tweaked toml for git repo https://github.com/MakarovIlya944/rust-gui-polynom written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1ab98933fa75d72e882b86feac1a0be3a5b02cb0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1ab98933fa75d72e882b86feac1a0be3a5b02cb0" "fetch" "--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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+1ab98933fa75d72e882b86feac1a0be3a5b02cb0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a61a972c8d085a672b5b9f165a498e67141aa4cd3e4d49df4ac21c04ad862902
[INFO] running `Command { std: "docker" "start" "-a" "a61a972c8d085a672b5b9f165a498e67141aa4cd3e4d49df4ac21c04ad862902", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a61a972c8d085a672b5b9f165a498e67141aa4cd3e4d49df4ac21c04ad862902", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a61a972c8d085a672b5b9f165a498e67141aa4cd3e4d49df4ac21c04ad862902", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+1ab98933fa75d72e882b86feac1a0be3a5b02cb0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2737a16c4b9ca70417918761ab963a969136cde8885b1151f64048b0486700e5
[INFO] running `Command { std: "docker" "start" "-a" "2737a16c4b9ca70417918761ab963a969136cde8885b1151f64048b0486700e5", kill_on_drop: false }`
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[INFO] [stderr]     Checking pistoncore-event_loop v0.53.1
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[INFO] [stdout] warning: value assigned to `dist` is never read
[INFO] [stdout]   --> src/polynom/draw_lines.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let mut dist = 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 `t` is never read
[INFO] [stdout]   --> src/polynom/draw_lines.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let mut t = 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 `df0` is never read
[INFO] [stdout]   --> src/polynom/draw_lines.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let mut df0 = 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 `df1` is never read
[INFO] [stdout]   --> src/polynom/draw_lines.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let mut df1 = 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 `x` is never read
[INFO] [stdout]   --> src/polynom/draw_lines.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut x = 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 `y` is never read
[INFO] [stdout]   --> src/polynom/draw_lines.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut y = 0.;
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `dist` is never read
[INFO] [stdout]   --> src/polynom/draw_lines.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let mut dist = 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 `t` is never read
[INFO] [stdout]   --> src/polynom/draw_lines.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let mut t = 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 `df0` is never read
[INFO] [stdout]   --> src/polynom/draw_lines.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let mut df0 = 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 `df1` is never read
[INFO] [stdout]   --> src/polynom/draw_lines.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let mut df1 = 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 `x` is never read
[INFO] [stdout]   --> src/polynom/draw_lines.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut x = 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 `y` is never read
[INFO] [stdout]   --> src/polynom/draw_lines.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut y = 0.;
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.64s
[INFO] running `Command { std: "docker" "inspect" "2737a16c4b9ca70417918761ab963a969136cde8885b1151f64048b0486700e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2737a16c4b9ca70417918761ab963a969136cde8885b1151f64048b0486700e5", kill_on_drop: false }`
[INFO] [stdout] 2737a16c4b9ca70417918761ab963a969136cde8885b1151f64048b0486700e5