[INFO] cloning repository https://github.com/sieri/render_from_pixels
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sieri/render_from_pixels" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsieri%2Frender_from_pixels", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsieri%2Frender_from_pixels'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7e894fe8c09703ee2d47fc7558774b6a50e24a8
[INFO] checking sieri/render_from_pixels against master#8f21a5c92ea55c348c275a1bc4fedbdf181e0d64 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsieri%2Frender_from_pixels" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sieri/render_from_pixels
[INFO] finished tweaking git repo https://github.com/sieri/render_from_pixels
[INFO] tweaked toml for git repo https://github.com/sieri/render_from_pixels written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sieri/render_from_pixels on toolchain 8f21a5c92ea55c348c275a1bc4fedbdf181e0d64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sieri/render_from_pixels already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded pixels v0.13.0
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[INFO] running `Command { std: "docker" "start" "-a" "4ee9cc2f04d8dda3cac2a889c1099b0195fb88bd12393588eaaeef0950867be0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ee9cc2f04d8dda3cac2a889c1099b0195fb88bd12393588eaaeef0950867be0", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc0ae8722a61ece9d3a606447ed8bc7261f2d8d3226f323bdb04cecfbff71676
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[INFO] [stdout] warning: impl trait in impl method signature does not match trait method signature
[INFO] [stdout]   --> src/point.rs:37:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn x(&self) -> impl Number;
[INFO] [stdout]    |                    ----------- return type from trait method defined here
[INFO] [stdout] ...
[INFO] [stdout] 37 |     fn x(&self) -> T {
[INFO] [stdout]    |                    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: add `#[allow(refining_impl_trait)]` if it is intended for this to be part of the public API of this crate
[INFO] [stdout]    = note: we are soliciting feedback, see issue #121718 <https://github.com/rust-lang/rust/issues/121718> for more information
[INFO] [stdout]    = note: `#[warn(refining_impl_trait_internal)]` on by default
[INFO] [stdout] help: replace the return type so that it matches the trait
[INFO] [stdout]    |
[INFO] [stdout] 37 -     fn x(&self) -> T {
[INFO] [stdout] 37 +     fn x(&self) -> impl Number {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: impl trait in impl method signature does not match trait method signature
[INFO] [stdout]   --> src/point.rs:41:20
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn y(&self) -> impl Number;
[INFO] [stdout]    |                    ----------- return type from trait method defined here
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn y(&self) -> T {
[INFO] [stdout]    |                    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: add `#[allow(refining_impl_trait)]` if it is intended for this to be part of the public API of this crate
[INFO] [stdout]    = note: we are soliciting feedback, see issue #121718 <https://github.com/rust-lang/rust/issues/121718> for more information
[INFO] [stdout] help: replace the return type so that it matches the trait
[INFO] [stdout]    |
[INFO] [stdout] 41 -     fn y(&self) -> T {
[INFO] [stdout] 41 +     fn y(&self) -> impl Number {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: impl trait in impl method signature does not match trait method signature
[INFO] [stdout]   --> src/point.rs:37:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn x(&self) -> impl Number;
[INFO] [stdout]    |                    ----------- return type from trait method defined here
[INFO] [stdout] ...
[INFO] [stdout] 37 |     fn x(&self) -> T {
[INFO] [stdout]    |                    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: add `#[allow(refining_impl_trait)]` if it is intended for this to be part of the public API of this crate
[INFO] [stdout]    = note: we are soliciting feedback, see issue #121718 <https://github.com/rust-lang/rust/issues/121718> for more information
[INFO] [stdout]    = note: `#[warn(refining_impl_trait_internal)]` on by default
[INFO] [stdout] help: replace the return type so that it matches the trait
[INFO] [stdout]    |
[INFO] [stdout] 37 -     fn x(&self) -> T {
[INFO] [stdout] 37 +     fn x(&self) -> impl Number {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: impl trait in impl method signature does not match trait method signature
[INFO] [stdout]   --> src/point.rs:41:20
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn y(&self) -> impl Number;
[INFO] [stdout]    |                    ----------- return type from trait method defined here
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn y(&self) -> T {
[INFO] [stdout]    |                    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: add `#[allow(refining_impl_trait)]` if it is intended for this to be part of the public API of this crate
[INFO] [stdout]    = note: we are soliciting feedback, see issue #121718 <https://github.com/rust-lang/rust/issues/121718> for more information
[INFO] [stdout] help: replace the return type so that it matches the trait
[INFO] [stdout]    |
[INFO] [stdout] 41 -     fn y(&self) -> T {
[INFO] [stdout] 41 +     fn y(&self) -> impl Number {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point2D` is never constructed
[INFO] [stdout]   --> src/point.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Point2D<T>
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking window_instantiation v0.1.0 (/opt/rustwide/workdir/examples/window_instantiation)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 44.14s
[INFO] running `Command { std: "docker" "inspect" "dc0ae8722a61ece9d3a606447ed8bc7261f2d8d3226f323bdb04cecfbff71676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc0ae8722a61ece9d3a606447ed8bc7261f2d8d3226f323bdb04cecfbff71676", kill_on_drop: false }`
[INFO] [stdout] dc0ae8722a61ece9d3a606447ed8bc7261f2d8d3226f323bdb04cecfbff71676
