[INFO] fetching crate fltk 1.4.18...
[INFO] testing fltk-1.4.18 against 1.75.0 for beta-1.76-1
[INFO] extracting crate fltk 1.4.18 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate fltk 1.4.18 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fltk 1.4.18
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate fltk 1.4.18
[INFO] tweaked toml for crates.io crate fltk 1.4.18 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate fltk 1.4.18 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fltk-sys v1.4.17
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05df3d1a2d83befff2996b21ed729ca47912400c8424739e9e403b5e2c05c262
[INFO] running `Command { std: "docker" "start" "-a" "05df3d1a2d83befff2996b21ed729ca47912400c8424739e9e403b5e2c05c262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05df3d1a2d83befff2996b21ed729ca47912400c8424739e9e403b5e2c05c262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05df3d1a2d83befff2996b21ed729ca47912400c8424739e9e403b5e2c05c262", kill_on_drop: false }`
[INFO] [stdout] 05df3d1a2d83befff2996b21ed729ca47912400c8424739e9e403b5e2c05c262
[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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba0a69b77417b1e580a1ea398990e16fe9abe690dbe230c50917878942523269
[INFO] running `Command { std: "docker" "start" "-a" "ba0a69b77417b1e580a1ea398990e16fe9abe690dbe230c50917878942523269", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling ttf-parser v0.20.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling fltk-sys v1.4.17
[INFO] [stderr]    Compiling fltk v1.4.18 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 48s
[INFO] running `Command { std: "docker" "inspect" "ba0a69b77417b1e580a1ea398990e16fe9abe690dbe230c50917878942523269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba0a69b77417b1e580a1ea398990e16fe9abe690dbe230c50917878942523269", kill_on_drop: false }`
[INFO] [stdout] ba0a69b77417b1e580a1ea398990e16fe9abe690dbe230c50917878942523269
[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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 068e755d5538ba80b1ededa27cec73d36aa324a775ea20372a6ddd93bd46182e
[INFO] running `Command { std: "docker" "start" "-a" "068e755d5538ba80b1ededa27cec73d36aa324a775ea20372a6ddd93bd46182e", kill_on_drop: false }`
[INFO] [stderr]    Compiling fltk v1.4.18 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> tests/clear.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |             let b = button::Button::new(0, 0, 100, 100, "None");
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]   --> tests/clear.rs:14:22
[INFO] [stdout]    |
[INFO] [stdout] 14 |     btn.handle(move |w, ev| {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 27.03s
[INFO] running `Command { std: "docker" "inspect" "068e755d5538ba80b1ededa27cec73d36aa324a775ea20372a6ddd93bd46182e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "068e755d5538ba80b1ededa27cec73d36aa324a775ea20372a6ddd93bd46182e", kill_on_drop: false }`
[INFO] [stdout] 068e755d5538ba80b1ededa27cec73d36aa324a775ea20372a6ddd93bd46182e
[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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d041e4c33cc2e04a7d11aadec1a2d286495e5dd5dcf279bafb81a48eb81e0314
[INFO] running `Command { std: "docker" "start" "-a" "d041e4c33cc2e04a7d11aadec1a2d286495e5dd5dcf279bafb81a48eb81e0314", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> tests/clear.rs:18:17
[INFO] [stderr]    |
[INFO] [stderr] 18 |             let b = button::Button::new(0, 0, 100, 100, "None");
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `w`
[INFO] [stderr]   --> tests/clear.rs:14:22
[INFO] [stderr]    |
[INFO] [stderr] 14 |     btn.handle(move |w, ev| {
[INFO] [stderr]    |                      ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stderr] 
[INFO] [stderr] warning: `fltk` (test "clear") generated 2 warnings (run `cargo fix --test "clear"` to apply 2 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fltk-a884ce9417a86bad)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/app_handle.rs (/opt/rustwide/target/debug/deps/app_handle-0cfad866ddf865b2)
[INFO] [stderr] Can't open display: 
[INFO] [stderr] error: test failed, to rerun pass `--test app_handle`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/app_handle-0cfad866ddf865b2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "d041e4c33cc2e04a7d11aadec1a2d286495e5dd5dcf279bafb81a48eb81e0314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d041e4c33cc2e04a7d11aadec1a2d286495e5dd5dcf279bafb81a48eb81e0314", kill_on_drop: false }`
[INFO] [stdout] d041e4c33cc2e04a7d11aadec1a2d286495e5dd5dcf279bafb81a48eb81e0314
