[INFO] fetching crate vga-framebuffer 0.9.0...
[INFO] checking vga-framebuffer-0.9.0 against try#ff044a3d65d25a17c3e14c1530004e1540179ba7 for pr-78338
[INFO] extracting crate vga-framebuffer 0.9.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate vga-framebuffer 0.9.0 on toolchain ff044a3d65d25a17c3e14c1530004e1540179ba7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "read-manifest" "--manifest-path" "Cargo.toml", 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-14/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" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-demangle v0.1.15
[INFO] [stderr]   Downloaded redox_users v0.3.0
[INFO] [stderr]   Downloaded constant_time_eq v0.1.3
[INFO] [stderr]   Downloaded backtrace v0.3.32
[INFO] [stderr]   Downloaded cc v1.0.37
[INFO] [stderr]   Downloaded const-ft v0.1.2
[INFO] [stderr]   Downloaded rand_core v0.4.0
[INFO] [stderr]   Downloaded console-traits v0.3.0
[INFO] [stderr]   Downloaded syn v0.15.39
[INFO] [stderr]   Downloaded arrayvec v0.4.10
[INFO] [stderr]   Downloaded argon2rs v0.2.5
[INFO] [stderr]   Downloaded libc v0.2.58
[INFO] [stderr]   Downloaded redox_syscall v0.1.54
[INFO] [stderr]   Downloaded quote v0.6.12
[INFO] [stderr]   Downloaded backtrace-sys v0.1.29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffc396dc38d3314711895d6f60f86e15270457c00782fd91c39a4bafbb08492d
[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" "ffc396dc38d3314711895d6f60f86e15270457c00782fd91c39a4bafbb08492d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffc396dc38d3314711895d6f60f86e15270457c00782fd91c39a4bafbb08492d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffc396dc38d3314711895d6f60f86e15270457c00782fd91c39a4bafbb08492d", kill_on_drop: false }`
[INFO] [stdout] ffc396dc38d3314711895d6f60f86e15270457c00782fd91c39a4bafbb08492d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e31cd3ccb4a00d5de687d40a9924421fcb05d5f363995774b82d33b5d1c402a9
[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" "e31cd3ccb4a00d5de687d40a9924421fcb05d5f363995774b82d33b5d1c402a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling byteorder v1.3.2
[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 7.53s
[INFO] running `Command { std: "docker" "inspect" "e31cd3ccb4a00d5de687d40a9924421fcb05d5f363995774b82d33b5d1c402a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e31cd3ccb4a00d5de687d40a9924421fcb05d5f363995774b82d33b5d1c402a9", kill_on_drop: false }`
[INFO] [stdout] e31cd3ccb4a00d5de687d40a9924421fcb05d5f363995774b82d33b5d1c402a9