[INFO] cloning repository https://github.com/raerta/desktop-viewer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/raerta/desktop-viewer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraerta%2Fdesktop-viewer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraerta%2Fdesktop-viewer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1625c424ae21f67c6b78cbd5be9e7b8f92e6b3d9
[INFO] checking raerta/desktop-viewer against try#a7b168ac4977e8e93a43448b44847adaa305d5a9 for pr-150557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraerta%2Fdesktop-viewer" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/raerta/desktop-viewer
[INFO] finished tweaking git repo https://github.com/raerta/desktop-viewer
[INFO] tweaked toml for git repo https://github.com/raerta/desktop-viewer written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/raerta/desktop-viewer on toolchain a7b168ac4977e8e93a43448b44847adaa305d5a9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/raerta/desktop-viewer 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" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ghash v0.5.1
[INFO] [stderr]   Downloaded polyval v0.6.2
[INFO] [stderr]   Downloaded yasna v0.5.2
[INFO] [stderr]   Downloaded rtcp v0.13.0
[INFO] [stderr]   Downloaded rgb v0.8.51
[INFO] [stderr]   Downloaded waitgroup v0.1.2
[INFO] [stderr]   Downloaded crc v3.3.0
[INFO] [stderr]   Downloaded substring v1.4.5
[INFO] [stderr]   Downloaded rusticata-macros v4.1.0
[INFO] [stderr]   Downloaded scrap v0.5.0
[INFO] [stderr]   Downloaded der-parser v9.0.0
[INFO] [stderr]   Downloaded asn1-rs-impl v0.2.0
[INFO] [stderr]   Downloaded openh264 v0.8.1
[INFO] [stderr]   Downloaded webrtc-data v0.11.0
[INFO] [stderr]   Downloaded interceptor v0.14.0
[INFO] [stderr]   Downloaded webrtc-media v0.10.0
[INFO] [stderr]   Downloaded rustls v0.23.28
[INFO] [stderr]   Downloaded stun v0.8.0
[INFO] [stderr]   Downloaded sdp v0.8.0
[INFO] [stderr]   Downloaded rcgen v0.13.2
[INFO] [stderr]   Downloaded asn1-rs v0.6.2
[INFO] [stderr]   Downloaded winnow v0.7.11
[INFO] [stderr]   Downloaded zune-jpeg v0.4.19
[INFO] [stderr]   Downloaded webrtc-dtls v0.12.0
[INFO] [stderr]   Downloaded tungstenite v0.27.0
[INFO] [stderr]   Downloaded p384 v0.13.1
[INFO] [stderr]   Downloaded x509-parser v0.16.0
[INFO] [stderr]   Downloaded webrtc-ice v0.13.0
[INFO] [stderr]   Downloaded openh264-sys2 v0.8.1
[INFO] [stderr]   Downloaded ccm v0.5.0
[INFO] [stderr]   Downloaded webrtc-mdns v0.9.0
[INFO] [stderr]   Downloaded turn v0.10.0
[INFO] [stderr]   Downloaded webrtc-util v0.11.0
[INFO] [stderr]   Downloaded webrtc v0.13.0
[INFO] [stderr]   Downloaded oid-registry v0.7.1
[INFO] [stderr]   Downloaded webrtc-sctp v0.12.0
[INFO] [stderr]   Downloaded tokio-tungstenite v0.27.0
[INFO] [stderr]   Downloaded webrtc-srtp v0.15.0
[INFO] [stderr]   Downloaded aes-gcm v0.10.3
[INFO] [stderr]   Downloaded rtp v0.13.0
[INFO] [stderr]   Downloaded nasm-rs v0.3.0
[INFO] [stderr]   Downloaded asn1-rs-derive v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bee037138dfb460ea1587be7dd2ff56348e7d78eb7822b00fef774d2d5dfa02b
[INFO] running `Command { std: "docker" "start" "-a" "bee037138dfb460ea1587be7dd2ff56348e7d78eb7822b00fef774d2d5dfa02b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bee037138dfb460ea1587be7dd2ff56348e7d78eb7822b00fef774d2d5dfa02b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bee037138dfb460ea1587be7dd2ff56348e7d78eb7822b00fef774d2d5dfa02b", kill_on_drop: false }`
[INFO] [stdout] bee037138dfb460ea1587be7dd2ff56348e7d78eb7822b00fef774d2d5dfa02b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc2c7b39922fb5e5f0b3aac7a566abf1ff75063f859b4ba373384be47f0e0888
[INFO] running `Command { std: "docker" "start" "-a" "bc2c7b39922fb5e5f0b3aac7a566abf1ff75063f859b4ba373384be47f0e0888", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]     Checking cpufeatures v0.2.17
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]     Checking writeable v0.6.1
[INFO] [stderr]     Checking base64ct v1.8.0
[INFO] [stderr]     Checking litemap v0.8.0
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]     Checking deranged v0.4.0
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[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]     Checking base16ct v0.2.0
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]     Checking slab v0.4.10
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[INFO] [stderr]    Compiling jobserver v0.1.33
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[INFO] [stderr]    Compiling oid-registry v0.7.1
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling anyhow v1.0.98
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[INFO] [stderr]    Compiling cc v1.2.29
[INFO] [stderr]     Checking crc v3.3.0
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[INFO] [stderr]     Checking rayon-core v1.12.1
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[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]     Checking bytemuck v1.23.1
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]    Compiling built v0.7.7
[INFO] [stderr]    Compiling substring v1.4.5
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]    Compiling rustls v0.23.28
[INFO] [stderr]    Compiling nasm-rs v0.3.0
[INFO] [stderr]     Checking arc-swap v1.7.1
[INFO] [stderr]     Checking waitgroup v0.1.2
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]     Checking pem v3.0.5
[INFO] [stderr]     Checking num-bigint v0.4.6
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[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]    Compiling rav1e v0.7.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
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[INFO] [stderr]     Checking ff v0.13.1
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[INFO] [stderr]     Checking rand v0.8.5
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[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking aho-corasick v1.1.3
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[INFO] [stderr]     Checking imgref v1.11.0
[INFO] [stderr]     Checking weezl v0.1.10
[INFO] [stderr]     Checking rusticata-macros v4.1.0
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]    Compiling noop_proc_macro v0.3.0
[INFO] [stderr]     Checking bitstream-io v2.6.0
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking new_debug_unreachable v1.0.6
[INFO] [stderr]     Checking loop9 v0.1.5
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling openh264-sys2 v0.8.1
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]     Checking uuid v1.17.0
[INFO] [stderr]     Checking avif-serialize v0.8.5
[INFO] [stderr]     Checking safe_arch v0.7.4
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[INFO] [stderr]     Checking fdeflate v0.3.7
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]     Checking rgb v0.8.51
[INFO] [stderr]     Checking jpeg-decoder v0.3.2
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking zune-core v0.4.12
[INFO] [stderr]     Checking yasna v0.5.2
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking byteorder-lite v0.1.0
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]    Compiling scrap v0.5.0
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking png v0.17.16
[INFO] [stderr]     Checking image-webp v0.2.3
[INFO] [stderr]     Checking wide v0.7.33
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]     Checking zune-jpeg v0.4.19
[INFO] [stderr]     Checking gif v0.13.3
[INFO] [stderr]     Checking qoi v0.4.1
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[INFO] [stderr]     Checking block v0.1.6
[INFO] [stderr]     Checking maybe-rayon v0.1.1
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling equator-macro v0.4.2
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]    Compiling asn1-rs-derive v0.5.1
[INFO] [stderr]     Checking der v0.7.10
[INFO] [stderr]     Checking tokio v1.46.1
[INFO] [stderr]    Compiling asn1-rs-impl v0.2.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]     Checking equator v0.4.2
[INFO] [stderr]    Compiling profiling-procmacros v1.0.17
[INFO] [stderr]    Compiling arg_enum_proc_macro v0.3.4
[INFO] [stderr]     Checking aligned-vec v0.6.4
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]     Checking v_frame v0.3.9
[INFO] [stderr]     Checking rustls-webpki v0.103.3
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking block-padding v0.3.3
[INFO] [stderr]     Checking spki v0.7.3
[INFO] [stderr]     Checking universal-hash v0.5.1
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking yoke v0.8.0
[INFO] [stderr]     Checking inout v0.1.4
[INFO] [stderr]     Checking crypto-bigint v0.5.5
[INFO] [stderr]     Checking polyval v0.6.2
[INFO] [stderr]     Checking pkcs8 v0.10.2
[INFO] [stderr]     Checking aead v0.5.2
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking asn1-rs v0.6.2
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking zerotrie v0.2.2
[INFO] [stderr]     Checking sec1 v0.7.3
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking ghash v0.5.1
[INFO] [stderr]     Checking hkdf v0.12.4
[INFO] [stderr]     Checking rfc6979 v0.4.0
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking md-5 v0.10.6
[INFO] [stderr]     Checking av1-grain v0.2.4
[INFO] [stderr]     Checking profiling v1.0.17
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]     Checking zerovec v0.11.2
[INFO] [stderr]     Checking ctr v0.9.2
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking cbc v0.1.2
[INFO] [stderr]     Checking ccm v0.5.0
[INFO] [stderr]     Checking aes-gcm v0.10.3
[INFO] [stderr]     Checking elliptic-curve v0.13.8
[INFO] [stderr]     Checking thiserror v2.0.12
[INFO] [stderr]     Checking tinystr v0.8.1
[INFO] [stderr]     Checking potential_utf v0.1.2
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking der-parser v9.0.0
[INFO] [stderr]     Checking tungstenite v0.27.0
[INFO] [stderr]     Checking icu_collections v2.0.0
[INFO] [stderr]     Checking x25519-dalek v2.0.1
[INFO] [stderr]     Checking ecdsa v0.16.9
[INFO] [stderr]     Checking icu_locale_core v2.0.0
[INFO] [stderr]     Checking primeorder v0.13.6
[INFO] [stderr]     Checking x509-parser v0.16.0
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking p384 v0.13.1
[INFO] [stderr]     Checking icu_provider v2.0.0
[INFO] [stderr]     Checking p256 v0.13.2
[INFO] [stderr]     Checking icu_properties v2.0.1
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]     Checking rcgen v0.13.2
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking webrtc-util v0.11.0
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking tokio-util v0.7.15
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking sdp v0.8.0
[INFO] [stderr]     Checking smol_str v0.2.2
[INFO] [stderr]     Checking tokio-tungstenite v0.27.0
[INFO] [stderr]     Checking rtp v0.13.0
[INFO] [stderr]     Checking stun v0.8.0
[INFO] [stderr]     Checking rtcp v0.13.0
[INFO] [stderr]     Checking webrtc-sctp v0.12.0
[INFO] [stderr]     Checking webrtc-mdns v0.9.0
[INFO] [stderr]     Checking webrtc-dtls v0.12.0
[INFO] [stderr]     Checking openh264 v0.8.1
[INFO] [stderr]     Checking turn v0.10.0
[INFO] [stderr]     Checking webrtc-media v0.10.0
[INFO] [stderr]     Checking ravif v0.11.20
[INFO] [stderr]     Checking webrtc-srtp v0.15.0
[INFO] [stderr]     Checking image v0.25.6
[INFO] [stderr]     Checking interceptor v0.14.0
[INFO] [stderr]     Checking webrtc-data v0.11.0
[INFO] [stderr]     Checking webrtc-ice v0.13.0
[INFO] [stderr]     Checking webrtc v0.13.0
[INFO] [stderr]     Checking remote_desktop_new v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `frame_count` is assigned to, but never used
[INFO] [stdout]   --> src/screen.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let mut frame_count = 0u64;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_frame_count` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `frame_count` is assigned to, but never used
[INFO] [stdout]   --> src/screen.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let mut frame_count = 0u64;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_frame_count` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `frame_count` is never read
[INFO] [stdout]   --> src/screen.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 frame_count += 1;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `frame_count` is never read
[INFO] [stdout]   --> src/screen.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 frame_count += 1;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.92s
[INFO] running `Command { std: "docker" "inspect" "bc2c7b39922fb5e5f0b3aac7a566abf1ff75063f859b4ba373384be47f0e0888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc2c7b39922fb5e5f0b3aac7a566abf1ff75063f859b4ba373384be47f0e0888", kill_on_drop: false }`
[INFO] [stdout] bc2c7b39922fb5e5f0b3aac7a566abf1ff75063f859b4ba373384be47f0e0888
