[INFO] cloning repository https://github.com/Mistodon/smallworld
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mistodon/smallworld" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMistodon%2Fsmallworld", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMistodon%2Fsmallworld'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb40c439dff8c4ef80fe41ca5327d0aeea40d5e4
[INFO] documenting Mistodon/smallworld against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMistodon%2Fsmallworld" "/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/Mistodon/smallworld on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Mistodon/smallworld
[INFO] finished tweaking git repo https://github.com/Mistodon/smallworld
[INFO] tweaked toml for git repo https://github.com/Mistodon/smallworld written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Mistodon/smallworld already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "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] 8474be3dc8a458f91b1a3399d13b7f70910f7017bc70a273700d2d9c753559f0
[INFO] running `Command { std: "docker" "start" "-a" "8474be3dc8a458f91b1a3399d13b7f70910f7017bc70a273700d2d9c753559f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8474be3dc8a458f91b1a3399d13b7f70910f7017bc70a273700d2d9c753559f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8474be3dc8a458f91b1a3399d13b7f70910f7017bc70a273700d2d9c753559f0", kill_on_drop: false }`
[INFO] [stdout] 8474be3dc8a458f91b1a3399d13b7f70910f7017bc70a273700d2d9c753559f0
[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" "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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b91e9c4086456ee384952c29fbdc8fcbff595c08715234dd20b329a1aadd3acf
[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" "b91e9c4086456ee384952c29fbdc8fcbff595c08715234dd20b329a1aadd3acf", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling num-traits v0.1.37
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling serde v0.9.14
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]    Compiling khronos_api v1.0.0
[INFO] [stderr]    Compiling log v0.3.7
[INFO] [stderr]    Compiling gcc v0.3.45
[INFO] [stderr]    Compiling rayon-core v1.0.0
[INFO] [stderr]     Checking adler32 v1.0.0
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking atom v0.3.4
[INFO] [stderr]     Checking rustc-demangle v0.1.4
[INFO] [stderr]     Checking fnv v1.0.5
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking mopa v0.2.2
[INFO] [stderr]     Checking threadpool v1.3.2
[INFO] [stderr]     Checking smallvec v0.1.8
[INFO] [stderr]     Checking tuple_utils v0.2.0
[INFO] [stderr]     Checking find_folder v0.3.0
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling x11-dl v2.13.0
[INFO] [stderr]    Compiling xml-rs v0.3.6
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]     Checking deflate v0.7.6
[INFO] [stderr]     Checking gif v0.9.1
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]     Checking ticketed_lock v0.1.0
[INFO] [stderr]     Checking num_cpus v1.3.0
[INFO] [stderr]     Checking shared_library v0.1.5
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]     Checking num-integer v0.1.34
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking num-rational v0.1.36
[INFO] [stderr]    Compiling tempfile v2.1.5
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]     Checking png v0.6.2
[INFO] [stderr]     Checking pulse v0.5.3
[INFO] [stderr]    Compiling wayland-scanner v0.7.8
[INFO] [stderr]    Compiling gl_generator v0.5.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.10
[INFO] [stderr]     Checking deque v0.3.1
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]     Checking specs v0.8.1
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]     Checking rayon v0.7.0
[INFO] [stderr]    Compiling target_build_utils v0.3.0
[INFO] [stderr]    Compiling serde_derive v0.9.14
[INFO] [stderr]    Compiling wayland-client v0.7.8
[INFO] [stderr]    Compiling glutin v0.7.4
[INFO] [stderr]    Compiling glium v0.16.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.12
[INFO] [stderr]     Checking image v0.12.4
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]     Checking serde_yaml v0.6.2
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.7.8
[INFO] [stderr]     Checking wayland-window v0.4.4
[INFO] [stderr]     Checking wayland-kbd v0.6.3
[INFO] [stderr]     Checking winit v0.5.11
[INFO] [stderr]  Documenting smallworld v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "b91e9c4086456ee384952c29fbdc8fcbff595c08715234dd20b329a1aadd3acf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b91e9c4086456ee384952c29fbdc8fcbff595c08715234dd20b329a1aadd3acf", kill_on_drop: false }`
[INFO] [stdout] b91e9c4086456ee384952c29fbdc8fcbff595c08715234dd20b329a1aadd3acf