[INFO] fetching crate bare-metrics-gui 0.1.0...
[INFO] building bare-metrics-gui-0.1.0 against master#f3126500f25114ba4e0ac3e76694dd45a22de56d for pr-107620-1
[INFO] extracting crate bare-metrics-gui 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate bare-metrics-gui 0.1.0 on toolchain f3126500f25114ba4e0ac3e76694dd45a22de56d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f3126500f25114ba4e0ac3e76694dd45a22de56d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bare-metrics-gui 0.1.0
[INFO] finished tweaking crates.io crate bare-metrics-gui 0.1.0
[INFO] tweaked toml for crates.io crate bare-metrics-gui 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate bare-metrics-gui 0.1.0 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" "+f3126500f25114ba4e0ac3e76694dd45a22de56d" "fetch" "--manifest-path" "Cargo.toml", 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_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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+f3126500f25114ba4e0ac3e76694dd45a22de56d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90c3de20788e2369acfde7472b42d04f7b26b1148d7a5e5d94ecb07a6959f250
[INFO] running `Command { std: "docker" "start" "-a" "90c3de20788e2369acfde7472b42d04f7b26b1148d7a5e5d94ecb07a6959f250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90c3de20788e2369acfde7472b42d04f7b26b1148d7a5e5d94ecb07a6959f250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90c3de20788e2369acfde7472b42d04f7b26b1148d7a5e5d94ecb07a6959f250", kill_on_drop: false }`
[INFO] [stdout] 90c3de20788e2369acfde7472b42d04f7b26b1148d7a5e5d94ecb07a6959f250
[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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+f3126500f25114ba4e0ac3e76694dd45a22de56d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ecc4d1cfdda8cf250a6070301762191ea11ae6dadb1a9c99f951856778c6265
[INFO] running `Command { std: "docker" "start" "-a" "4ecc4d1cfdda8cf250a6070301762191ea11ae6dadb1a9c99f951856778c6265", kill_on_drop: false }`
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[INFO] [stderr]    Compiling bare-metrics-reader v0.1.0
[INFO] [stderr]    Compiling glutin v0.27.0
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[INFO] [stderr]    Compiling eframe v0.15.0
[INFO] [stderr]    Compiling bare-metrics-gui v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Ui::button` that must be used
[INFO] [stdout]   --> src/graph.rs:95:17
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 ui.button("Blah");
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: You should check if the user clicked this with `if ui.button(…).clicked() { … } 
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: quick-xml v0.22.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "4ecc4d1cfdda8cf250a6070301762191ea11ae6dadb1a9c99f951856778c6265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ecc4d1cfdda8cf250a6070301762191ea11ae6dadb1a9c99f951856778c6265", kill_on_drop: false }`
[INFO] [stdout] 4ecc4d1cfdda8cf250a6070301762191ea11ae6dadb1a9c99f951856778c6265
[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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+f3126500f25114ba4e0ac3e76694dd45a22de56d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c1b59503e30f6acf0abab335e5793c7bc16dfcbcff52b7c627a9d19db75f362
[INFO] running `Command { std: "docker" "start" "-a" "1c1b59503e30f6acf0abab335e5793c7bc16dfcbcff52b7c627a9d19db75f362", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bare-metrics-gui v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Ui::button` that must be used
[INFO] [stdout]   --> src/graph.rs:95:17
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 ui.button("Blah");
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: You should check if the user clicked this with `if ui.button(…).clicked() { … } 
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.31s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: quick-xml v0.22.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "1c1b59503e30f6acf0abab335e5793c7bc16dfcbcff52b7c627a9d19db75f362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c1b59503e30f6acf0abab335e5793c7bc16dfcbcff52b7c627a9d19db75f362", kill_on_drop: false }`
[INFO] [stdout] 1c1b59503e30f6acf0abab335e5793c7bc16dfcbcff52b7c627a9d19db75f362