[INFO] cloning repository https://github.com/chase-lambert/papercast
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chase-lambert/papercast" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchase-lambert%2Fpapercast", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchase-lambert%2Fpapercast'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 657ace4fa3599da79145c87e07cd3c891e3ad183
[INFO] checking chase-lambert/papercast against master#4eb62535fc12dd1a63fd43a4173e224e79313c4d for pr-158816
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchase-lambert%2Fpapercast" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/chase-lambert/papercast
[INFO] finished tweaking git repo https://github.com/chase-lambert/papercast
[INFO] tweaked toml for git repo https://github.com/chase-lambert/papercast written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chase-lambert/papercast on toolchain 4eb62535fc12dd1a63fd43a4173e224e79313c4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/chase-lambert/papercast 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" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "4b0ef6a0f24e141d6694ca7a19383a7a1643d27db98a73073f954c3bed97108d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b0ef6a0f24e141d6694ca7a19383a7a1643d27db98a73073f954c3bed97108d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4b0ef6a0f24e141d6694ca7a19383a7a1643d27db98a73073f954c3bed97108d" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b0ef6a0f24e141d6694ca7a19383a7a1643d27db98a73073f954c3bed97108d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4b0ef6a0f24e141d6694ca7a19383a7a1643d27db98a73073f954c3bed97108d" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: value assigned to `total_pixels` is never read
[INFO] [stdout]     --> vendor/rustvncserver/src/client.rs:1180:17
[INFO] [stdout]      |
[INFO] [stdout] 1180 |                 total_pixels += u64::from(region.width) * u64::from(region.height);
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 1730 |                 total_pixels += u64::from(region.width) * u64::from(region.height);
[INFO] [stdout]      |                 ------------------------------------------------------------------ `total_pixels` is overwritten here before the previous value is read
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `total_pixels` is never read
[INFO] [stdout]     --> vendor/rustvncserver/src/client.rs:1730:17
[INFO] [stdout]      |
[INFO] [stdout] 1348 |                                 total_pixels += u64::from(tile_width) * u64::from(tile_height);
[INFO] [stdout]      |                                 -------------------------------------------------------------- `total_pixels` is overwritten here before the previous value is read
[INFO] [stdout] ...
[INFO] [stdout] 1730 |                 total_pixels += u64::from(region.width) * u64::from(region.height);
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `total_pixels` is never read
[INFO] [stdout]     --> vendor/rustvncserver/src/client.rs:1348:33
[INFO] [stdout]      |
[INFO] [stdout] 1348 | ...                   total_pixels += u64::from(tile_width) * u64::from(tile_height);
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `total_pixels` is never read
[INFO] [stdout]     --> vendor/rustvncserver/src/client.rs:1248:21
[INFO] [stdout]      |
[INFO] [stdout] 1248 |                     total_pixels += u64::from(*w) * u64::from(*h);
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `copy_rect_count` is never read
[INFO] [stdout]     --> vendor/rustvncserver/src/client.rs:1181:17
[INFO] [stdout]      |
[INFO] [stdout] 1181 |                 copy_rect_count += 1;
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `total_pixels` is never read
[INFO] [stdout]     --> vendor/rustvncserver/src/client.rs:1180:17
[INFO] [stdout]      |
[INFO] [stdout] 1180 |                 total_pixels += u64::from(region.width) * u64::from(region.height);
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 1730 |                 total_pixels += u64::from(region.width) * u64::from(region.height);
[INFO] [stdout]      |                 ------------------------------------------------------------------ `total_pixels` is overwritten here before the previous value is read
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `total_pixels` is never read
[INFO] [stdout]     --> vendor/rustvncserver/src/client.rs:1730:17
[INFO] [stdout]      |
[INFO] [stdout] 1348 |                                 total_pixels += u64::from(tile_width) * u64::from(tile_height);
[INFO] [stdout]      |                                 -------------------------------------------------------------- `total_pixels` is overwritten here before the previous value is read
[INFO] [stdout] ...
[INFO] [stdout] 1730 |                 total_pixels += u64::from(region.width) * u64::from(region.height);
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `total_pixels` is never read
[INFO] [stdout]     --> vendor/rustvncserver/src/client.rs:1348:33
[INFO] [stdout]      |
[INFO] [stdout] 1348 | ...                   total_pixels += u64::from(tile_width) * u64::from(tile_height);
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `total_pixels` is never read
[INFO] [stdout]     --> vendor/rustvncserver/src/client.rs:1248:21
[INFO] [stdout]      |
[INFO] [stdout] 1248 |                     total_pixels += u64::from(*w) * u64::from(*h);
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `copy_rect_count` is never read
[INFO] [stdout]     --> vendor/rustvncserver/src/client.rs:1181:17
[INFO] [stdout]      |
[INFO] [stdout] 1181 |                 copy_rect_count += 1;
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking zstd v0.13.3
[INFO] [stderr]     Checking papercast-proto v0.1.0 (/opt/rustwide/workdir/crates/papercast-proto)
[INFO] [stderr]     Checking papercast-recv-core v0.1.0 (/opt/rustwide/workdir/crates/papercast-recv-core)
[INFO] [stderr]     Checking papercast v0.1.0 (/opt/rustwide/workdir/crates/papercast)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 44s
[INFO] running `Command { std: "docker" "inspect" "4b0ef6a0f24e141d6694ca7a19383a7a1643d27db98a73073f954c3bed97108d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b0ef6a0f24e141d6694ca7a19383a7a1643d27db98a73073f954c3bed97108d", kill_on_drop: false }`
[INFO] [stdout] 4b0ef6a0f24e141d6694ca7a19383a7a1643d27db98a73073f954c3bed97108d
