[INFO] cloning repository https://github.com/bpglaser/maze_solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bpglaser/maze_solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbpglaser%2Fmaze_solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbpglaser%2Fmaze_solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae3a55ae19d3e4d4e2c5b342c6af7a775b8c1f39
[INFO] documenting bpglaser/maze_solver against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbpglaser%2Fmaze_solver" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bpglaser/maze_solver on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bpglaser/maze_solver
[INFO] finished tweaking git repo https://github.com/bpglaser/maze_solver
[INFO] tweaked toml for git repo https://github.com/bpglaser/maze_solver written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/bpglaser/maze_solver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.3.2
[INFO] [stderr]   Downloaded pango v0.1.1
[INFO] [stderr]   Downloaded glib-sys v0.3.2
[INFO] [stderr]   Downloaded cairo-sys-rs v0.3.2
[INFO] [stderr]   Downloaded pango-sys v0.3.2
[INFO] [stderr]   Downloaded gdk v0.5.1
[INFO] [stderr]   Downloaded cairo-rs v0.1.1
[INFO] [stderr]   Downloaded gio-sys v0.3.2
[INFO] [stderr]   Downloaded gdk-sys v0.3.2
[INFO] [stderr]   Downloaded gtk-sys v0.3.2
[INFO] [stderr]   Downloaded glib v0.1.1
[INFO] [stderr]   Downloaded gobject-sys v0.3.2
[INFO] [stderr]   Downloaded gdk-pixbuf v0.1.1
[INFO] [stderr]   Downloaded atk-sys v0.3.2
[INFO] [stderr]   Downloaded gif v0.9.0
[INFO] [stderr]   Downloaded gio v0.1.1
[INFO] [stderr]   Downloaded image v0.12.1
[INFO] [stderr]   Downloaded gtk v0.1.1
[INFO] [stderr]   Downloaded num_cpus v1.2.1
[INFO] [stderr]   Downloaded deflate v0.7.2
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 913a3c0b72c47accf751cb0080de24cc10f55a71e57b6278541824f7267ba65f
[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" "913a3c0b72c47accf751cb0080de24cc10f55a71e57b6278541824f7267ba65f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "913a3c0b72c47accf751cb0080de24cc10f55a71e57b6278541824f7267ba65f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "913a3c0b72c47accf751cb0080de24cc10f55a71e57b6278541824f7267ba65f", kill_on_drop: false }`
[INFO] [stdout] 913a3c0b72c47accf751cb0080de24cc10f55a71e57b6278541824f7267ba65f
[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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05cf4d88c0a9a6e422a9f4f00346d753f7129f6acce5776dbe8bc47f695774d5
[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" "05cf4d88c0a9a6e422a9f4f00346d753f7129f6acce5776dbe8bc47f695774d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.8
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking bitflags v0.5.0
[INFO] [stderr]     Checking num-traits v0.1.36
[INFO] [stderr]    Compiling cairo-rs v0.1.1
[INFO] [stderr]    Compiling gio v0.1.1
[INFO] [stderr]    Compiling gdk-pixbuf v0.1.1
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking adler32 v0.3.0
[INFO] [stderr]    Compiling gdk v0.5.1
[INFO] [stderr]     Checking c_vec v1.0.12
[INFO] [stderr]     Checking rustc-serialize v0.3.22
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking inflate v0.1.1
[INFO] [stderr]    Compiling gtk v0.1.1
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking unicode-segmentation v0.1.3
[INFO] [stderr]     Checking strsim v0.5.2
[INFO] [stderr]     Checking scoped_threadpool v0.1.7
[INFO] [stderr]     Checking gif v0.9.0
[INFO] [stderr]     Checking deflate v0.7.2
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]    Compiling glib-sys v0.3.2
[INFO] [stderr]    Compiling gobject-sys v0.3.2
[INFO] [stderr]    Compiling gio-sys v0.3.2
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.3.2
[INFO] [stderr]    Compiling cairo-sys-rs v0.3.2
[INFO] [stderr]    Compiling pango-sys v0.3.2
[INFO] [stderr]    Compiling gdk-sys v0.3.2
[INFO] [stderr]    Compiling atk-sys v0.3.2
[INFO] [stderr]    Compiling gtk-sys v0.3.2
[INFO] [stderr]     Checking num-iter v0.1.32
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking num_cpus v1.2.1
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stderr]     Checking clap v2.19.3
[INFO] [stdout] error: missing fragment specifier
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.19.3/src/macros.rs:510:41
[INFO] [stdout]     |
[INFO] [stdout] 510 |     (@arg ($arg:expr) $modes:tt !$ident $($tail:tt)*) => {
[INFO] [stdout]     |                                         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `clap`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "05cf4d88c0a9a6e422a9f4f00346d753f7129f6acce5776dbe8bc47f695774d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05cf4d88c0a9a6e422a9f4f00346d753f7129f6acce5776dbe8bc47f695774d5", kill_on_drop: false }`
[INFO] [stdout] 05cf4d88c0a9a6e422a9f4f00346d753f7129f6acce5776dbe8bc47f695774d5
