[INFO] fetching crate gifriend 0.1.1...
[INFO] checking gifriend-0.1.1 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate gifriend 0.1.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate gifriend 0.1.1 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gifriend 0.1.1
[INFO] finished tweaking crates.io crate gifriend 0.1.1
[INFO] tweaked toml for crates.io crate gifriend 0.1.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lzw v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c9bcd1cc615f175c5f7b17ae5db44df4992c5baa4e49d1802ea540005e0d9a2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4c9bcd1cc615f175c5f7b17ae5db44df4992c5baa4e49d1802ea540005e0d9a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c9bcd1cc615f175c5f7b17ae5db44df4992c5baa4e49d1802ea540005e0d9a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c9bcd1cc615f175c5f7b17ae5db44df4992c5baa4e49d1802ea540005e0d9a2", kill_on_drop: false }`
[INFO] [stdout] 4c9bcd1cc615f175c5f7b17ae5db44df4992c5baa4e49d1802ea540005e0d9a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c0f92e7d0367c50d65235442bd6b83329197203dc0dd9d920f858dac3c06d42a
[INFO] running `Command { std: "docker" "start" "-a" "c0f92e7d0367c50d65235442bd6b83329197203dc0dd9d920f858dac3c06d42a", kill_on_drop: false }`
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking gifriend v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `block_size`
[INFO] [stdout]  --> src/extensions/application_extension.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     block_size: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `application_data_and_block_terminator`
[INFO] [stdout]   --> src/extensions/application_extension.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     application_data_and_block_terminator: DataSubBlocks,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `block_size`
[INFO] [stdout]  --> src/extensions/graphic_control_extension.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     block_size: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `block_terminator`
[INFO] [stdout]   --> src/extensions/graphic_control_extension.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     block_terminator: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `block_size`
[INFO] [stdout]  --> src/extensions/plain_text_extension.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     block_size: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `text_grid_left_position`
[INFO] [stdout]  --> src/extensions/plain_text_extension.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     text_grid_left_position: u16,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `text_grid_top_position`
[INFO] [stdout]   --> src/extensions/plain_text_extension.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     text_grid_top_position: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `text_grid_width`
[INFO] [stdout]   --> src/extensions/plain_text_extension.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     text_grid_width: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `text_grid_height`
[INFO] [stdout]   --> src/extensions/plain_text_extension.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     text_grid_height: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `character_cell_width`
[INFO] [stdout]   --> src/extensions/plain_text_extension.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     character_cell_width: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `character_cell_height`
[INFO] [stdout]   --> src/extensions/plain_text_extension.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     character_cell_height: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `text_foreground_color_index`
[INFO] [stdout]   --> src/extensions/plain_text_extension.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     text_foreground_color_index: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `text_background_color_index`
[INFO] [stdout]   --> src/extensions/plain_text_extension.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     text_background_color_index: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `plain_text_data_and_terminator`
[INFO] [stdout]   --> src/extensions/plain_text_extension.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     plain_text_data_and_terminator: DataSubBlocks,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `block_size`
[INFO] [stdout]  --> src/extensions/application_extension.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     block_size: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `application_data_and_block_terminator`
[INFO] [stdout]   --> src/extensions/application_extension.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     application_data_and_block_terminator: DataSubBlocks,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `block_size`
[INFO] [stdout]  --> src/extensions/graphic_control_extension.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     block_size: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `block_terminator`
[INFO] [stdout]   --> src/extensions/graphic_control_extension.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     block_terminator: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `block_size`
[INFO] [stdout]  --> src/extensions/plain_text_extension.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     block_size: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `text_grid_left_position`
[INFO] [stdout]  --> src/extensions/plain_text_extension.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     text_grid_left_position: u16,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `text_grid_top_position`
[INFO] [stdout]   --> src/extensions/plain_text_extension.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     text_grid_top_position: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `text_grid_width`
[INFO] [stdout]   --> src/extensions/plain_text_extension.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     text_grid_width: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `text_grid_height`
[INFO] [stdout]   --> src/extensions/plain_text_extension.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     text_grid_height: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `character_cell_width`
[INFO] [stdout]   --> src/extensions/plain_text_extension.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     character_cell_width: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `character_cell_height`
[INFO] [stdout]   --> src/extensions/plain_text_extension.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     character_cell_height: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `text_foreground_color_index`
[INFO] [stdout]   --> src/extensions/plain_text_extension.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     text_foreground_color_index: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `text_background_color_index`
[INFO] [stdout]   --> src/extensions/plain_text_extension.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     text_background_color_index: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `plain_text_data_and_terminator`
[INFO] [stdout]   --> src/extensions/plain_text_extension.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     plain_text_data_and_terminator: DataSubBlocks,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "c0f92e7d0367c50d65235442bd6b83329197203dc0dd9d920f858dac3c06d42a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0f92e7d0367c50d65235442bd6b83329197203dc0dd9d920f858dac3c06d42a", kill_on_drop: false }`
[INFO] [stdout] c0f92e7d0367c50d65235442bd6b83329197203dc0dd9d920f858dac3c06d42a