[INFO] fetching crate fltk 1.4.7...
[INFO] testing fltk-1.4.7 against master#d3515155216e98c23440ea92c3f49c6a0d7101fc for pr-113843
[INFO] extracting crate fltk 1.4.7 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate fltk 1.4.7 on toolchain d3515155216e98c23440ea92c3f49c6a0d7101fc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d3515155216e98c23440ea92c3f49c6a0d7101fc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fltk 1.4.7
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate fltk 1.4.7
[INFO] tweaked toml for crates.io crate fltk 1.4.7 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate fltk 1.4.7 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" "+d3515155216e98c23440ea92c3f49c6a0d7101fc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitflags v2.1.0
[INFO] [stderr]   Downloaded fltk-sys v1.4.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+d3515155216e98c23440ea92c3f49c6a0d7101fc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] caa43fb19066a52080b87a8e8b1f4948c7a7c6871cb21e2c28496255225e0fb8
[INFO] running `Command { std: "docker" "start" "-a" "caa43fb19066a52080b87a8e8b1f4948c7a7c6871cb21e2c28496255225e0fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "caa43fb19066a52080b87a8e8b1f4948c7a7c6871cb21e2c28496255225e0fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caa43fb19066a52080b87a8e8b1f4948c7a7c6871cb21e2c28496255225e0fb8", kill_on_drop: false }`
[INFO] [stdout] caa43fb19066a52080b87a8e8b1f4948c7a7c6871cb21e2c28496255225e0fb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+d3515155216e98c23440ea92c3f49c6a0d7101fc" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 075147bbb24473a1f0a85a14ee60a57d1988fb1b6a2fae84d78303c49acd379e
[INFO] running `Command { std: "docker" "start" "-a" "075147bbb24473a1f0a85a14ee60a57d1988fb1b6a2fae84d78303c49acd379e", kill_on_drop: false }`
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling paste v1.0.12
[INFO] [stderr]    Compiling ttf-parser v0.19.0
[INFO] [stderr]    Compiling bitflags v2.1.0
[INFO] [stderr]    Compiling fltk-sys v1.4.7
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling fltk v1.4.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.92s
[INFO] running `Command { std: "docker" "inspect" "075147bbb24473a1f0a85a14ee60a57d1988fb1b6a2fae84d78303c49acd379e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "075147bbb24473a1f0a85a14ee60a57d1988fb1b6a2fae84d78303c49acd379e", kill_on_drop: false }`
[INFO] [stdout] 075147bbb24473a1f0a85a14ee60a57d1988fb1b6a2fae84d78303c49acd379e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+d3515155216e98c23440ea92c3f49c6a0d7101fc" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a06c8d2fe674e151d63537bfdb02c16dab8654f2876062627c0c99e0d0e0064b
[INFO] running `Command { std: "docker" "start" "-a" "a06c8d2fe674e151d63537bfdb02c16dab8654f2876062627c0c99e0d0e0064b", kill_on_drop: false }`
[INFO] [stderr]    Compiling fltk v1.4.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> examples/shapedwindow_taskbar.rs:57:35
[INFO] [stdout]    |
[INFO] [stdout] 57 |         move |wself, event| match (event) {
[INFO] [stdout]    |                                   ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 57 -         move |wself, event| match (event) {
[INFO] [stdout] 57 +         move |wself, event| match event {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> examples/shapedwindow_taskbar.rs:85:35
[INFO] [stdout]    |
[INFO] [stdout] 85 |         move |wself, event| match (event) {
[INFO] [stdout]    |                                   ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 85 -         move |wself, event| match (event) {
[INFO] [stdout] 85 +         move |wself, event| match event {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `wself`
[INFO] [stdout]   --> examples/shapedwindow_taskbar.rs:85:15
[INFO] [stdout]    |
[INFO] [stdout] 85 |         move |wself, event| match (event) {
[INFO] [stdout]    |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_wself`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 46.84s
[INFO] running `Command { std: "docker" "inspect" "a06c8d2fe674e151d63537bfdb02c16dab8654f2876062627c0c99e0d0e0064b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a06c8d2fe674e151d63537bfdb02c16dab8654f2876062627c0c99e0d0e0064b", kill_on_drop: false }`
[INFO] [stdout] a06c8d2fe674e151d63537bfdb02c16dab8654f2876062627c0c99e0d0e0064b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+d3515155216e98c23440ea92c3f49c6a0d7101fc" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 981d90fcab01d07eb7e9c089d03181e332ef26746f4218f049c7811be3317b3d
[INFO] running `Command { std: "docker" "start" "-a" "981d90fcab01d07eb7e9c089d03181e332ef26746f4218f049c7811be3317b3d", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stderr]   --> examples/shapedwindow_taskbar.rs:57:35
[INFO] [stderr]    |
[INFO] [stderr] 57 |         move |wself, event| match (event) {
[INFO] [stderr]    |                                   ^     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 57 -         move |wself, event| match (event) {
[INFO] [stderr] 57 +         move |wself, event| match event {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stderr]   --> examples/shapedwindow_taskbar.rs:85:35
[INFO] [stderr]    |
[INFO] [stderr] 85 |         move |wself, event| match (event) {
[INFO] [stderr]    |                                   ^     ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 85 -         move |wself, event| match (event) {
[INFO] [stderr] 85 +         move |wself, event| match event {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `wself`
[INFO] [stderr]   --> examples/shapedwindow_taskbar.rs:85:15
[INFO] [stderr]    |
[INFO] [stderr] 85 |         move |wself, event| match (event) {
[INFO] [stderr]    |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_wself`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `fltk` (example "shapedwindow_taskbar") generated 3 warnings (run `cargo fix --example "shapedwindow_taskbar"` to apply 3 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fltk-26506e9c82548257)
[INFO] [stderr]      Running tests/app_handle.rs (/opt/rustwide/target/debug/deps/app_handle-d9f7b0461b8b69c2)
[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] 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-d9f7b0461b8b69c2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "981d90fcab01d07eb7e9c089d03181e332ef26746f4218f049c7811be3317b3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "981d90fcab01d07eb7e9c089d03181e332ef26746f4218f049c7811be3317b3d", kill_on_drop: false }`
[INFO] [stdout] 981d90fcab01d07eb7e9c089d03181e332ef26746f4218f049c7811be3317b3d