[INFO] fetching crate fltk 1.4.4...
[INFO] building fltk-1.4.4 against try#c38f3f86763ea281f7c555c13ef11baad4a4fff4 for pr-111698
[INFO] extracting crate fltk 1.4.4 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate fltk 1.4.4 on toolchain c38f3f86763ea281f7c555c13ef11baad4a4fff4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c38f3f86763ea281f7c555c13ef11baad4a4fff4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fltk 1.4.4
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate fltk 1.4.4
[INFO] tweaked toml for crates.io crate fltk 1.4.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate fltk 1.4.4 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" "+c38f3f86763ea281f7c555c13ef11baad4a4fff4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+c38f3f86763ea281f7c555c13ef11baad4a4fff4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d58b1a6c8559b1bc206f526bbd99dd0865c94fceebf1a8c50b375edd0788921
[INFO] running `Command { std: "docker" "start" "-a" "8d58b1a6c8559b1bc206f526bbd99dd0865c94fceebf1a8c50b375edd0788921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d58b1a6c8559b1bc206f526bbd99dd0865c94fceebf1a8c50b375edd0788921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d58b1a6c8559b1bc206f526bbd99dd0865c94fceebf1a8c50b375edd0788921", kill_on_drop: false }`
[INFO] [stdout] 8d58b1a6c8559b1bc206f526bbd99dd0865c94fceebf1a8c50b375edd0788921
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+c38f3f86763ea281f7c555c13ef11baad4a4fff4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 137ed3a340cc1c938a57d8f179b27ff3771ca175439873f3fbdfa2ba221103d1
[INFO] running `Command { std: "docker" "start" "-a" "137ed3a340cc1c938a57d8f179b27ff3771ca175439873f3fbdfa2ba221103d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.79
[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 cmake v0.1.50
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling fltk-sys v1.4.4
[INFO] [stderr]    Compiling fltk v1.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.51s
[INFO] running `Command { std: "docker" "inspect" "137ed3a340cc1c938a57d8f179b27ff3771ca175439873f3fbdfa2ba221103d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "137ed3a340cc1c938a57d8f179b27ff3771ca175439873f3fbdfa2ba221103d1", kill_on_drop: false }`
[INFO] [stdout] 137ed3a340cc1c938a57d8f179b27ff3771ca175439873f3fbdfa2ba221103d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+c38f3f86763ea281f7c555c13ef11baad4a4fff4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83ca52ba649eb38d2e32c9302d247f7abb6a67791ea3bfab45dbd49d710aafd8
[INFO] running `Command { std: "docker" "start" "-a" "83ca52ba649eb38d2e32c9302d247f7abb6a67791ea3bfab45dbd49d710aafd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling fltk v1.4.4 (/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 29.47s
[INFO] running `Command { std: "docker" "inspect" "83ca52ba649eb38d2e32c9302d247f7abb6a67791ea3bfab45dbd49d710aafd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83ca52ba649eb38d2e32c9302d247f7abb6a67791ea3bfab45dbd49d710aafd8", kill_on_drop: false }`
[INFO] [stdout] 83ca52ba649eb38d2e32c9302d247f7abb6a67791ea3bfab45dbd49d710aafd8