[INFO] cloning repository https://github.com/remexre/fbpdf-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/remexre/fbpdf-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremexre%2Ffbpdf-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremexre%2Ffbpdf-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1dcd0043855cd6b5f2db8023b7befe01f785aeee
[INFO] checking remexre/fbpdf-rs against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremexre%2Ffbpdf-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/remexre/fbpdf-rs on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/remexre/fbpdf-rs
[INFO] finished tweaking git repo https://github.com/remexre/fbpdf-rs
[INFO] tweaked toml for git repo https://github.com/remexre/fbpdf-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/remexre/fbpdf-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1814280e2d655f69d1851c57a9eedcbebe05960752c8d3a53511de1cf3a454b8
[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" "1814280e2d655f69d1851c57a9eedcbebe05960752c8d3a53511de1cf3a454b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1814280e2d655f69d1851c57a9eedcbebe05960752c8d3a53511de1cf3a454b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1814280e2d655f69d1851c57a9eedcbebe05960752c8d3a53511de1cf3a454b8", kill_on_drop: false }`
[INFO] [stdout] 1814280e2d655f69d1851c57a9eedcbebe05960752c8d3a53511de1cf3a454b8
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ade7f576693256d09434bf3eaec248c597da0ee0ef48c4f8545eaaf2746fa2b
[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" "7ade7f576693256d09434bf3eaec248c597da0ee0ef48c4f8545eaaf2746fa2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling cairo-rs v0.3.0
[INFO] [stderr]     Checking memmap v0.5.2
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]    Compiling glib-sys v0.5.0
[INFO] [stderr]    Compiling gobject-sys v0.5.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.5.0
[INFO] [stderr]    Compiling syn v0.15.18
[INFO] [stderr]     Checking stderrlog v0.4.1
[INFO] [stderr]     Checking framebuffer v0.1.7
[INFO] [stderr]     Checking glib v0.4.1
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking poppler v0.2.3
[INFO] [stderr]    Compiling structopt-derive v0.2.13
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking structopt v0.2.13
[INFO] [stderr]     Checking fbpdfrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `draw_with_fn`
[INFO] [stdout]   --> src/screen.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn draw_with_fn(&mut self, mut func: impl FnMut(usize, usize) -> (u8, u8, u8)) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `draw_with_fn`
[INFO] [stdout]   --> src/screen.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn draw_with_fn(&mut self, mut func: impl FnMut(usize, usize) -> (u8, u8, u8)) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[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 28.98s
[INFO] running `Command { std: "docker" "inspect" "7ade7f576693256d09434bf3eaec248c597da0ee0ef48c4f8545eaaf2746fa2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ade7f576693256d09434bf3eaec248c597da0ee0ef48c4f8545eaaf2746fa2b", kill_on_drop: false }`
[INFO] [stdout] 7ade7f576693256d09434bf3eaec248c597da0ee0ef48c4f8545eaaf2746fa2b