[INFO] cloning repository https://github.com/BrMallet/ising
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BrMallet/ising" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrMallet%2Fising", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrMallet%2Fising'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa025b02356911894b9f01626e548dd494decb0f
[INFO] documenting BrMallet/ising against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrMallet%2Fising" "/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/BrMallet/ising on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BrMallet/ising
[INFO] finished tweaking git repo https://github.com/BrMallet/ising
[INFO] tweaked toml for git repo https://github.com/BrMallet/ising written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/BrMallet/ising already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b597003f377f48c1484eb8a29cc6816e496d01721b86eb3601aff5acc58de67a
[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" "b597003f377f48c1484eb8a29cc6816e496d01721b86eb3601aff5acc58de67a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b597003f377f48c1484eb8a29cc6816e496d01721b86eb3601aff5acc58de67a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b597003f377f48c1484eb8a29cc6816e496d01721b86eb3601aff5acc58de67a", kill_on_drop: false }`
[INFO] [stdout] b597003f377f48c1484eb8a29cc6816e496d01721b86eb3601aff5acc58de67a
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f118d5bfca9413a96f03d5786a20d0e0189e4333ea9384626e4c3cf0cb4f5641
[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" "f118d5bfca9413a96f03d5786a20d0e0189e4333ea9384626e4c3cf0cb4f5641", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking plotters-backend v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]    Compiling pathfinder_simd v0.5.0
[INFO] [stderr]     Checking png v0.16.7
[INFO] [stderr]     Checking plotters-svg v0.3.0
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr]     Checking servo-fontconfig v0.4.0
[INFO] [stderr]     Checking pathfinder_geometry v0.5.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking font-kit v0.7.1
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]     Checking image v0.23.9
[INFO] [stderr]     Checking plotters-bitmap v0.3.0
[INFO] [stderr]     Checking plotters v0.3.0
[INFO] [stderr]  Documenting ising v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.13s
[INFO] running `Command { std: "docker" "inspect" "f118d5bfca9413a96f03d5786a20d0e0189e4333ea9384626e4c3cf0cb4f5641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f118d5bfca9413a96f03d5786a20d0e0189e4333ea9384626e4c3cf0cb4f5641", kill_on_drop: false }`
[INFO] [stdout] f118d5bfca9413a96f03d5786a20d0e0189e4333ea9384626e4c3cf0cb4f5641