[INFO] fetching crate vga-framebuffer 0.9.0...
[INFO] checking vga-framebuffer-0.9.0 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate vga-framebuffer 0.9.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate vga-framebuffer 0.9.0 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vga-framebuffer 0.9.0
[INFO] finished tweaking crates.io crate vga-framebuffer 0.9.0
[INFO] tweaked toml for crates.io crate vga-framebuffer 0.9.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate vga-framebuffer 0.9.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c48fa2ce1ef8c75cb76b346ed159645ed468b331a3b6ff9e308c69b23f790b7
[INFO] running `Command { std: "docker" "start" "-a" "2c48fa2ce1ef8c75cb76b346ed159645ed468b331a3b6ff9e308c69b23f790b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c48fa2ce1ef8c75cb76b346ed159645ed468b331a3b6ff9e308c69b23f790b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c48fa2ce1ef8c75cb76b346ed159645ed468b331a3b6ff9e308c69b23f790b7", kill_on_drop: false }`
[INFO] [stdout] 2c48fa2ce1ef8c75cb76b346ed159645ed468b331a3b6ff9e308c69b23f790b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 170eb7cda6ed47288a0ecc2a46e72a9b98a5fa814871dddbc5072e374bd9f69a
[INFO] running `Command { std: "docker" "start" "-a" "170eb7cda6ed47288a0ecc2a46e72a9b98a5fa814871dddbc5072e374bd9f69a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]     Checking console-traits v0.3.0
[INFO] [stderr]     Checking const-ft v0.1.2
[INFO] [stderr]     Checking vga-framebuffer v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:332:5
[INFO] [stdout]     |
[INFO] [stdout] 332 |     /// Create a new FrameBuffer.
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:332:5
[INFO] [stdout]     |
[INFO] [stdout] 332 |     /// Create a new FrameBuffer.
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.73s
[INFO] running `Command { std: "docker" "inspect" "170eb7cda6ed47288a0ecc2a46e72a9b98a5fa814871dddbc5072e374bd9f69a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "170eb7cda6ed47288a0ecc2a46e72a9b98a5fa814871dddbc5072e374bd9f69a", kill_on_drop: false }`
[INFO] [stdout] 170eb7cda6ed47288a0ecc2a46e72a9b98a5fa814871dddbc5072e374bd9f69a