[INFO] cloning repository https://github.com/danielgatis/cobra.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danielgatis/cobra.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielgatis%2Fcobra.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielgatis%2Fcobra.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1be60c27e92ba5668d4775b574194aeef8cc2867
[INFO] documenting danielgatis/cobra.rs against 1.90.0 for beta-rustdoc-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielgatis%2Fcobra.rs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/danielgatis/cobra.rs
[INFO] finished tweaking git repo https://github.com/danielgatis/cobra.rs
[INFO] tweaked toml for git repo https://github.com/danielgatis/cobra.rs written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/danielgatis/cobra.rs on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/danielgatis/cobra.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pistoncore-window v0.34.0
[INFO] [stderr]   Downloaded stb_truetype v0.2.5
[INFO] [stderr]   Downloaded piston v0.39.0
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.39.0
[INFO] [stderr]   Downloaded inflate v0.4.4
[INFO] [stderr]   Downloaded approx v0.3.1
[INFO] [stderr]   Downloaded serde_derive v1.0.82
[INFO] [stderr]   Downloaded pistoncore-input v0.23.0
[INFO] [stderr]   Downloaded piston2d-graphics v0.28.0
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.51.1
[INFO] [stderr]   Downloaded piston-viewport v0.5.0
[INFO] [stderr]   Downloaded syn v0.15.23
[INFO] [stderr]   Downloaded serde v1.0.82
[INFO] [stderr]   Downloaded libc v0.2.45
[INFO] [stderr]   Downloaded piston2d-opengl_graphics v0.57.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 712902a8859e96a163a34b483a5a0ce450fbff63e01ffecd1d5e123e567ce63e
[INFO] running `Command { std: "docker" "start" "-a" "712902a8859e96a163a34b483a5a0ce450fbff63e01ffecd1d5e123e567ce63e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "712902a8859e96a163a34b483a5a0ce450fbff63e01ffecd1d5e123e567ce63e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "712902a8859e96a163a34b483a5a0ce450fbff63e01ffecd1d5e123e567ce63e", kill_on_drop: false }`
[INFO] [stdout] 712902a8859e96a163a34b483a5a0ce450fbff63e01ffecd1d5e123e567ce63e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 991287d275a5d947b0f6ec13ac26b321b4dee7fb6d925eabee4585bae8dffded
[INFO] running `Command { std: "docker" "start" "-a" "991287d275a5d947b0f6ec13ac26b321b4dee7fb6d925eabee4585bae8dffded", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]     Checking piston-float v0.3.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking stb_truetype v0.2.5
[INFO] [stderr]     Checking approx v0.3.1
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]     Checking piston-viewport v0.5.0
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking smallvec v0.6.7
[INFO] [stderr]     Checking rusttype v0.7.3
[INFO] [stderr]     Checking shader_version v0.3.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking andrew v0.1.4
[INFO] [stderr]     Checking inflate v0.4.4
[INFO] [stderr]     Checking nix v0.11.0
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rand v0.6.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking wayland-sys v0.21.7
[INFO] [stderr]     Checking nix v0.12.0
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking x11-dl v2.18.3
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking wayland-commons v0.21.7
[INFO] [stderr]     Checking vecmath v0.3.1
[INFO] [stderr]     Checking wayland-client v0.21.7
[INFO] [stderr]     Checking piston-texture v0.6.0
[INFO] [stderr]     Checking read_color v1.0.0
[INFO] [stderr]     Checking interpolation v0.1.0
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.3.1
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking piston2d-graphics v0.28.0
[INFO] [stderr]     Checking wayland-protocols v0.21.7
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.3
[INFO] [stderr]     Checking winit v0.18.0
[INFO] [stderr]     Checking pistoncore-input v0.23.0
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.57.0
[INFO] [stderr]     Checking pistoncore-window v0.34.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.39.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.51.1
[INFO] [stderr]     Checking piston v0.39.0
[INFO] [stderr]  Documenting snake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.23s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/snake/index.html
[INFO] running `Command { std: "docker" "inspect" "991287d275a5d947b0f6ec13ac26b321b4dee7fb6d925eabee4585bae8dffded", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "991287d275a5d947b0f6ec13ac26b321b4dee7fb6d925eabee4585bae8dffded", kill_on_drop: false }`
[INFO] [stdout] 991287d275a5d947b0f6ec13ac26b321b4dee7fb6d925eabee4585bae8dffded