[INFO] fetching crate minifb_wrapper 0.1.3...
[INFO] building minifb_wrapper-0.1.3 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate minifb_wrapper 0.1.3 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate minifb_wrapper 0.1.3
[INFO] finished tweaking crates.io crate minifb_wrapper 0.1.3
[INFO] tweaked toml for crates.io crate minifb_wrapper 0.1.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate minifb_wrapper 0.1.3 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 83 packages to latest compatible versions
[INFO] [stderr]       Adding minifb v0.24.0 (available: v0.28.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded version-compare v0.1.1
[INFO] [stderr]   Downloaded minifb v0.24.0
[INFO] [stderr]   Downloaded sdl2 v0.35.2
[INFO] [stderr]   Downloaded sdl2-sys v0.35.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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_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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21332782ec6abbfdc8aa00849823fdaee5329c467d86c19efe48c0ef1b326ff0
[INFO] running `Command { std: "docker" "start" "-a" "21332782ec6abbfdc8aa00849823fdaee5329c467d86c19efe48c0ef1b326ff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21332782ec6abbfdc8aa00849823fdaee5329c467d86c19efe48c0ef1b326ff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21332782ec6abbfdc8aa00849823fdaee5329c467d86c19efe48c0ef1b326ff0", kill_on_drop: false }`
[INFO] [stdout] 21332782ec6abbfdc8aa00849823fdaee5329c467d86c19efe48c0ef1b326ff0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2064c34b8404b4fc2e8ef9b927ba37d7e19e22ca6c917edafe8236004335bc12
[INFO] running `Command { std: "docker" "start" "-a" "2064c34b8404b4fc2e8ef9b927ba37d7e19e22ca6c917edafe8236004335bc12", kill_on_drop: false }`
[INFO] [stderr]    Compiling xml-rs v0.8.27
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling downcast-rs v1.2.1
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling minifb v0.24.0
[INFO] [stderr]    Compiling xcursor v0.3.10
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling raw-window-handle v0.4.3
[INFO] [stderr]    Compiling dlib v0.5.2
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]    Compiling wayland-commons v0.29.5
[INFO] [stderr]    Compiling wayland-cursor v0.29.5
[INFO] [stderr]    Compiling minifb_wrapper v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 52.87s
[INFO] running `Command { std: "docker" "inspect" "2064c34b8404b4fc2e8ef9b927ba37d7e19e22ca6c917edafe8236004335bc12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2064c34b8404b4fc2e8ef9b927ba37d7e19e22ca6c917edafe8236004335bc12", kill_on_drop: false }`
[INFO] [stdout] 2064c34b8404b4fc2e8ef9b927ba37d7e19e22ca6c917edafe8236004335bc12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47e3775cd752bae76c9a10219fb395008426a75872af3b478fc095a66e92963f
[INFO] running `Command { std: "docker" "start" "-a" "47e3775cd752bae76c9a10219fb395008426a75872af3b478fc095a66e92963f", kill_on_drop: false }`
[INFO] [stderr]    Compiling minifb_wrapper v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:61:9
[INFO] [stdout]     |
[INFO] [stdout]  61 |           Ok(())
[INFO] [stdout]     |           ^^^^^^ unreachable expression
[INFO] [stdout] ...
[INFO] [stdout] 428 | /         loop {
[INFO] [stdout] 429 | |             window.update();
[INFO] [stdout] 430 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 431 |
[INFO] [stdout] 432 |           unit!()
[INFO] [stdout]     |           ------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `unit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:61:9
[INFO] [stdout]     |
[INFO] [stdout]  61 |           Ok(())
[INFO] [stdout]     |           ^^^^^^ unreachable expression
[INFO] [stdout] ...
[INFO] [stdout] 445 | /         loop {
[INFO] [stdout] 446 | |             window.update();
[INFO] [stdout] 447 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 448 |
[INFO] [stdout] 449 |           unit!()
[INFO] [stdout]     |           ------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `unit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:413:13
[INFO] [stdout]     |
[INFO] [stdout] 413 |             window.update();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 413 |             let _ = window.update();
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:429:13
[INFO] [stdout]     |
[INFO] [stdout] 429 |             window.update();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 429 |             let _ = window.update();
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:439:9
[INFO] [stdout]     |
[INFO] [stdout] 439 |         window.circle((100, 100), 50, "CC00FF");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 439 |         let _ = window.circle((100, 100), 50, "CC00FF");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:441:9
[INFO] [stdout]     |
[INFO] [stdout] 441 |         window.line((800, 1000), (800, 0), 50.0, "FF0000");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 441 |         let _ = window.line((800, 1000), (800, 0), 50.0, "FF0000");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:442:9
[INFO] [stdout]     |
[INFO] [stdout] 442 |         window.line((200, 200), (150, 230), 10.0, "0000FF");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 442 |         let _ = window.line((200, 200), (150, 230), 10.0, "0000FF");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:446:13
[INFO] [stdout]     |
[INFO] [stdout] 446 |             window.update();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 446 |             let _ = window.update();
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "47e3775cd752bae76c9a10219fb395008426a75872af3b478fc095a66e92963f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47e3775cd752bae76c9a10219fb395008426a75872af3b478fc095a66e92963f", kill_on_drop: false }`
[INFO] [stdout] 47e3775cd752bae76c9a10219fb395008426a75872af3b478fc095a66e92963f