[INFO] cloning repository https://github.com/stefnotch/open-student-solution
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stefnotch/open-student-solution" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefnotch%2Fopen-student-solution", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefnotch%2Fopen-student-solution'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 629eefcab3659fd480fdd1cd1bc85feaa87ab5b9
[INFO] documenting stefnotch/open-student-solution against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefnotch%2Fopen-student-solution" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stefnotch/open-student-solution on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stefnotch/open-student-solution
[INFO] finished tweaking git repo https://github.com/stefnotch/open-student-solution
[INFO] tweaked toml for git repo https://github.com/stefnotch/open-student-solution written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/stefnotch/open-student-solution already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 705863fb7e1291df86e196b64426a415b6040f6cfcc9c75b2ce412ce51f2caf2
[INFO] running `Command { std: "docker" "start" "-a" "705863fb7e1291df86e196b64426a415b6040f6cfcc9c75b2ce412ce51f2caf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "705863fb7e1291df86e196b64426a415b6040f6cfcc9c75b2ce412ce51f2caf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "705863fb7e1291df86e196b64426a415b6040f6cfcc9c75b2ce412ce51f2caf2", kill_on_drop: false }`
[INFO] [stdout] 705863fb7e1291df86e196b64426a415b6040f6cfcc9c75b2ce412ce51f2caf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8fc81c7da15ab5e7157e772b97b3725538f520a5620633b15cb956adfaf0660b
[INFO] running `Command { std: "docker" "start" "-a" "8fc81c7da15ab5e7157e772b97b3725538f520a5620633b15cb956adfaf0660b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]     Checking newline-converter v0.2.0
[INFO] [stderr]     Checking fs_extra v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking crc32fast v1.3.2
[INFO] [stderr]     Checking open v2.1.2
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]     Checking parking_lot_core v0.9.3
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking gethostname v0.2.3
[INFO] [stderr]     Checking nix v0.22.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.21.0
[INFO] [stderr]     Checking crossterm v0.23.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking tui v0.18.0
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking x11rb v0.9.0
[INFO] [stderr]     Checking inquire v0.2.1
[INFO] [stderr]     Checking arboard v2.1.0
[INFO] [stderr]  Documenting open-student-solution v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.74s
[INFO] running `Command { std: "docker" "inspect" "8fc81c7da15ab5e7157e772b97b3725538f520a5620633b15cb956adfaf0660b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fc81c7da15ab5e7157e772b97b3725538f520a5620633b15cb956adfaf0660b", kill_on_drop: false }`
[INFO] [stdout] 8fc81c7da15ab5e7157e772b97b3725538f520a5620633b15cb956adfaf0660b