[INFO] fetching crate skribo 0.1.0...
[INFO] checking skribo-0.1.0 against beta for pr-78714
[INFO] extracting crate skribo 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate skribo 0.1.0 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 crates.io crate skribo 0.1.0
[INFO] finished tweaking crates.io crate skribo 0.1.0
[INFO] tweaked toml for crates.io crate skribo 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate skribo 0.1.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded backtrace v0.3.15
[INFO] [stderr]   Downloaded walkdir v2.2.7
[INFO] [stderr]   Downloaded syn v0.15.33
[INFO] [stderr]   Downloaded core-text v15.0.0
[INFO] [stderr]   Downloaded rustc-demangle v0.1.14
[INFO] [stderr]   Downloaded bitflags v1.0.5
[INFO] [stderr]   Downloaded synstructure v0.10.1
[INFO] [stderr]   Downloaded proc-macro2 v0.4.29
[INFO] [stderr]   Downloaded autocfg v0.1.2
[INFO] [stderr]   Downloaded pathfinder_simd v0.5.0
[INFO] [stderr]   Downloaded smallvec v0.6.9
[INFO] [stderr]   Downloaded harfbuzz-sys v0.3.4
[INFO] [stderr]   Downloaded backtrace-sys v0.1.28
[INFO] [stderr]   Downloaded cmake v0.1.39
[INFO] [stderr]   Downloaded font-kit v0.6.0
[INFO] [stderr]   Downloaded harfbuzz v0.3.1
[INFO] [stderr]   Downloaded core-text v13.2.0
[INFO] [stderr]   Downloaded libc v0.2.54
[INFO] [stderr]   Downloaded cc v1.0.36
[INFO] [stderr]   Downloaded pkg-config v0.3.14
[INFO] [stderr]   Downloaded dwrote v0.10.0
[INFO] [stderr]   Downloaded cfg-if v0.1.7
[INFO] [stderr]   Downloaded pathfinder_geometry v0.5.0
[INFO] [stderr]   Downloaded servo-fontconfig-sys v4.0.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] d75078c45bb668757469e97e4483eeec0ca5af5d7af939d269c8e725c3430526
[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" "d75078c45bb668757469e97e4483eeec0ca5af5d7af939d269c8e725c3430526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d75078c45bb668757469e97e4483eeec0ca5af5d7af939d269c8e725c3430526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d75078c45bb668757469e97e4483eeec0ca5af5d7af939d269c8e725c3430526", kill_on_drop: false }`
[INFO] [stdout] d75078c45bb668757469e97e4483eeec0ca5af5d7af939d269c8e725c3430526
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] edd61f03e451498cf2ca1afdbe5568d4a7debb7bbc90b672c4fbc64d728630f7
[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" "edd61f03e451498cf2ca1afdbe5568d4a7debb7bbc90b672c4fbc64d728630f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.0.5
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]    Compiling cmake v0.1.39
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.7
[INFO] [stderr]    Compiling harfbuzz-sys v0.3.4
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking pathfinder_geometry v0.5.0
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr]     Checking servo-fontconfig v0.4.0
[INFO] [stderr]     Checking font-kit v0.6.0
[INFO] [stderr]     Checking harfbuzz v0.3.1
[INFO] [stderr]     Checking skribo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `debug_script_runs`
[INFO] [stdout]    --> src/session.rs:221:4
[INFO] [stdout]     |
[INFO] [stdout] 221 | fn debug_script_runs(text: &str) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `debug_script_runs`
[INFO] [stdout]    --> src/session.rs:221:4
[INFO] [stdout]     |
[INFO] [stdout] 221 | fn debug_script_runs(text: &str) {
[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] [stdout] warning: associated function is never used: `paint_layout`
[INFO] [stdout]   --> examples/render.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn paint_layout(&mut self, layout: &Layout, x: i32, y: i32) {
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.85s
[INFO] running `Command { std: "docker" "inspect" "edd61f03e451498cf2ca1afdbe5568d4a7debb7bbc90b672c4fbc64d728630f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edd61f03e451498cf2ca1afdbe5568d4a7debb7bbc90b672c4fbc64d728630f7", kill_on_drop: false }`
[INFO] [stdout] edd61f03e451498cf2ca1afdbe5568d4a7debb7bbc90b672c4fbc64d728630f7