[INFO] cloning repository https://github.com/mystal/midgar-shmup
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mystal/midgar-shmup" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmystal%2Fmidgar-shmup", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmystal%2Fmidgar-shmup'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d635ae341011b35cbfa841b354917914de08595d
[INFO] documenting mystal/midgar-shmup 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%2Fmystal%2Fmidgar-shmup" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mystal/midgar-shmup 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/mystal/midgar-shmup
[INFO] finished tweaking git repo https://github.com/mystal/midgar-shmup
[INFO] tweaked toml for git repo https://github.com/mystal/midgar-shmup written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/mystal/midgar-shmup 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded inflate v0.4.2
[INFO] [stderr]   Downloaded approx v0.2.0
[INFO] [stderr]   Downloaded hibitset v0.5.0
[INFO] [stderr]   Downloaded rusttype v0.6.1
[INFO] [stderr]   Downloaded specs v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6749a8a6cbb0d343d7970f0f980412f762964bd0d5b82a4bb214dc40760cb4cc
[INFO] running `Command { std: "docker" "start" "-a" "6749a8a6cbb0d343d7970f0f980412f762964bd0d5b82a4bb214dc40760cb4cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6749a8a6cbb0d343d7970f0f980412f762964bd0d5b82a4bb214dc40760cb4cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6749a8a6cbb0d343d7970f0f980412f762964bd0d5b82a4bb214dc40760cb4cc", kill_on_drop: false }`
[INFO] [stdout] 6749a8a6cbb0d343d7970f0f980412f762964bd0d5b82a4bb214dc40760cb4cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] c5de2dabd9b5c5463ed6c11437393eb44ce3973c4a0c115116b38c624c22219a
[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" "c5de2dabd9b5c5463ed6c11437393eb44ce3973c4a0c115116b38c624c22219a", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling sdl2-sys v0.30.0
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]     Checking stable_deref_trait v1.0.0
[INFO] [stderr]     Checking smallvec v0.4.5
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]     Checking maybe-owned v0.3.0
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking stb_truetype v0.2.2
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]     Checking inflate v0.4.2
[INFO] [stderr]     Checking rand v0.5.4
[INFO] [stderr]    Compiling log v0.4.2
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking smallvec v0.6.3
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling derivative v1.0.0
[INFO] [stderr]     Checking gif v0.10.0
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling shred-derive v0.5.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking backtrace v0.3.8
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]     Checking rayon-core v1.4.0
[INFO] [stderr]    Compiling gl_generator v0.6.1
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking approx v0.2.0
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]     Checking moving-average v0.1.0 (https://github.com/mystal/moving-average#cb646c66)
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking rusttype v0.6.1
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking sdl2 v0.30.0
[INFO] [stderr]    Compiling glium v0.18.1
[INFO] [stderr]     Checking shrev v1.0.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.14
[INFO] [stderr]     Checking shred v0.7.0
[INFO] [stderr]     Checking hibitset v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]     Checking specs v0.12.0
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking serde_json v1.0.22
[INFO] [stderr]     Checking glium_sdl2 v0.15.0
[INFO] [stderr]     Checking midgar v0.1.0 (https://github.com/mystal/midgar-engine?branch=dev#840bfa01)
[INFO] [stderr]  Documenting midgar-shmup v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "c5de2dabd9b5c5463ed6c11437393eb44ce3973c4a0c115116b38c624c22219a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5de2dabd9b5c5463ed6c11437393eb44ce3973c4a0c115116b38c624c22219a", kill_on_drop: false }`
[INFO] [stdout] c5de2dabd9b5c5463ed6c11437393eb44ce3973c4a0c115116b38c624c22219a