[INFO] cloning repository https://github.com/TrionProg/server_game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TrionProg/server_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrionProg%2Fserver_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrionProg%2Fserver_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74901d199416596c98446cd303ec5d5d8b173d53
[INFO] documenting TrionProg/server_game 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%2FTrionProg%2Fserver_game" "/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/TrionProg/server_game 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/TrionProg/server_game
[INFO] finished tweaking git repo https://github.com/TrionProg/server_game
[INFO] tweaked toml for git repo https://github.com/TrionProg/server_game written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/TrionProg/server_game 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] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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 ntapi v0.3.4
[INFO] [stderr]   Downloaded mio v0.7.0
[INFO] [stderr]   Downloaded nanomsg v0.6.2
[INFO] [stderr]   Downloaded zip v0.1.19
[INFO] [stderr]   Downloaded const_fn v0.4.2
[INFO] [stderr]   Downloaded time v0.2.17
[INFO] [stderr]   Downloaded flate2 v0.2.20
[INFO] [stderr]   Downloaded standback v0.2.10
[INFO] [stderr]   Downloaded nanomsg-sys v0.6.2
[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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d65184f660330bf65a3db945fda9ffda0d228cdab38750d6c78622015922f95
[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" "0d65184f660330bf65a3db945fda9ffda0d228cdab38750d6c78622015922f95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d65184f660330bf65a3db945fda9ffda0d228cdab38750d6c78622015922f95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d65184f660330bf65a3db945fda9ffda0d228cdab38750d6c78622015922f95", kill_on_drop: false }`
[INFO] [stdout] 0d65184f660330bf65a3db945fda9ffda0d228cdab38750d6c78622015922f95
[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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c582c781aef73469b2c6733ef0b894f7ae54a1c0fff9f31cebb93ed41c418a64
[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" "c582c781aef73469b2c6733ef0b894f7ae54a1c0fff9f31cebb93ed41c418a64", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nanomsg-sys v0.6.2
[INFO] [stderr]     Checking mio v0.7.0
[INFO] [stderr]     Checking zip v0.1.19
[INFO] [stderr]     Checking nanomsg v0.6.2
[INFO] [stderr]  Documenting server_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `rand`
[INFO] [stdout]   --> src/main.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | extern crate rand;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `server_game`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name server_game src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern bincode=/opt/rustwide/target/debug/deps/libbincode-e6e3d5e940c1e286.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-364c148656283980.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-cef97dfc4d890f23.rmeta --extern nanomsg=/opt/rustwide/target/debug/deps/libnanomsg-1786415f8181c0ed.rmeta --extern rustc_serialize=/opt/rustwide/target/debug/deps/librustc_serialize-eddfb9427ca0b1f2.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-6bc6f310dc8e6bfc.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-cbc4db3aa037601e.rmeta --extern zip=/opt/rustwide/target/debug/deps/libzip-b778147a2d20971e.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "c582c781aef73469b2c6733ef0b894f7ae54a1c0fff9f31cebb93ed41c418a64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c582c781aef73469b2c6733ef0b894f7ae54a1c0fff9f31cebb93ed41c418a64", kill_on_drop: false }`
[INFO] [stdout] c582c781aef73469b2c6733ef0b894f7ae54a1c0fff9f31cebb93ed41c418a64