[INFO] cloning repository https://github.com/spacebox-org/spacebox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/spacebox-org/spacebox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspacebox-org%2Fspacebox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspacebox-org%2Fspacebox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 91d9a2edf4d2ce491b6a6e8f061cb2ab167751b7
[INFO] documenting spacebox-org/spacebox against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspacebox-org%2Fspacebox" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/spacebox-org/spacebox on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/spacebox-org/spacebox
[INFO] finished tweaking git repo https://github.com/spacebox-org/spacebox
[INFO] tweaked toml for git repo https://github.com/spacebox-org/spacebox written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/spacebox-org/spacebox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.76
[INFO] [stderr]   Downloaded proc-macro2 v0.4.17
[INFO] [stderr]   Downloaded same-file v1.0.3
[INFO] [stderr]   Downloaded fern v0.5.6
[INFO] [stderr]   Downloaded ignore v0.4.3
[INFO] [stderr]   Downloaded serde_derive v1.0.76
[INFO] [stderr]   Downloaded walkdir v2.2.5
[INFO] [stderr]   Downloaded serde_yaml v0.8.5
[INFO] [stderr]   Downloaded futures v0.1.23
[INFO] [stderr]   Downloaded tokio-io v0.1.8
[INFO] [stderr]   Downloaded tokio-executor v0.1.4
[INFO] [stderr]   Downloaded lazycell v1.0.0
[INFO] [stderr]   Downloaded sha3 v0.7.3
[INFO] [stderr]   Downloaded tokio-reactor v0.1.5
[INFO] [stderr]   Downloaded keccak v0.1.0
[INFO] [stderr]   Downloaded globset v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f62f563381109ffee0d40a1e56cad1178d1bf96a1929d87aeb5070cc2394cb62
[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" "f62f563381109ffee0d40a1e56cad1178d1bf96a1929d87aeb5070cc2394cb62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f62f563381109ffee0d40a1e56cad1178d1bf96a1929d87aeb5070cc2394cb62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f62f563381109ffee0d40a1e56cad1178d1bf96a1929d87aeb5070cc2394cb62", kill_on_drop: false }`
[INFO] [stdout] f62f563381109ffee0d40a1e56cad1178d1bf96a1929d87aeb5070cc2394cb62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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-2020-08-29" "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] bf997a594edbc9df552847340647da7af65ff6747c0cf10ff12ccbe8b13b6cd0
[INFO] running `Command { std: "docker" "start" "-a" "bf997a594edbc9df552847340647da7af65ff6747c0cf10ff12ccbe8b13b6cd0", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]     Checking futures v0.1.23
[INFO] [stderr]    Compiling proc-macro2 v0.4.17
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling serde v1.0.76
[INFO] [stderr]    Compiling regex v1.0.4
[INFO] [stderr]     Checking same-file v1.0.3
[INFO] [stderr]     Checking utf8-ranges v1.0.1
[INFO] [stderr]     Checking arrayref v0.3.4
[INFO] [stderr]     Checking lazycell v1.0.0
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]     Checking itoa v0.4.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking memchr v2.0.2
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking filetime v0.2.1
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking walkdir v2.2.5
[INFO] [stderr]     Checking lock_api v0.1.3
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]     Checking yaml-rust v0.4.2
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]     Checking mio v0.6.15
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking colored v1.6.1
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]     Checking fern v0.5.6
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking parking_lot_core v0.3.0
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking digest v0.7.2
[INFO] [stderr]     Checking sha3 v0.7.3
[INFO] [stderr]     Checking tokio-executor v0.1.4
[INFO] [stderr]     Checking tokio-io v0.1.8
[INFO] [stderr]     Checking tokio-reactor v0.1.5
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking notify v4.0.6
[INFO] [stderr]     Checking globset v0.4.1
[INFO] [stderr]     Checking ignore v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.76
[INFO] [stderr]     Checking serde_yaml v0.8.5
[INFO] [stderr]     Checking serde_json v1.0.26
[INFO] [stderr]  Documenting spacebox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.14s
[INFO] running `Command { std: "docker" "inspect" "bf997a594edbc9df552847340647da7af65ff6747c0cf10ff12ccbe8b13b6cd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf997a594edbc9df552847340647da7af65ff6747c0cf10ff12ccbe8b13b6cd0", kill_on_drop: false }`
[INFO] [stdout] bf997a594edbc9df552847340647da7af65ff6747c0cf10ff12ccbe8b13b6cd0