[INFO] fetching crate sdl2-unifont 1.0.1...
[INFO] checking sdl2-unifont-1.0.1 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate sdl2-unifont 1.0.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate sdl2-unifont 1.0.1 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sdl2-unifont 1.0.1
[INFO] finished tweaking crates.io crate sdl2-unifont 1.0.1
[INFO] tweaked toml for crates.io crate sdl2-unifont 1.0.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust-lzma v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6e1386dc1b37d4c34752bbf9501164576acc0ad527a793dd4ec7971113898e5
[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" "c6e1386dc1b37d4c34752bbf9501164576acc0ad527a793dd4ec7971113898e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6e1386dc1b37d4c34752bbf9501164576acc0ad527a793dd4ec7971113898e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6e1386dc1b37d4c34752bbf9501164576acc0ad527a793dd4ec7971113898e5", kill_on_drop: false }`
[INFO] [stdout] c6e1386dc1b37d4c34752bbf9501164576acc0ad527a793dd4ec7971113898e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4acee53429d7aa19dc77ae98490d94292affbc2f072ca061b399db3f6045271
[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" "f4acee53429d7aa19dc77ae98490d94292affbc2f072ca061b399db3f6045271", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking bit_field v0.9.0
[INFO] [stderr]    Compiling rust-lzma v0.3.0
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]    Compiling sdl2-unifont v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking sdl2 v0.31.0
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> examples/demo.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | /// Rainbow text colours, from back to front
[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: static variable `colours` should have an upper case name
[INFO] [stdout]   --> examples/demo.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 |     static ref colours: [Box<Color>; 12] = [
[INFO] [stdout]    |                ^^^^^^^ help: convert the identifier to upper case: `COLOURS`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.14s
[INFO] running `Command { std: "docker" "inspect" "f4acee53429d7aa19dc77ae98490d94292affbc2f072ca061b399db3f6045271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4acee53429d7aa19dc77ae98490d94292affbc2f072ca061b399db3f6045271", kill_on_drop: false }`
[INFO] [stdout] f4acee53429d7aa19dc77ae98490d94292affbc2f072ca061b399db3f6045271