[INFO] cloning repository https://github.com/stevesweetney/basic-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stevesweetney/basic-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevesweetney%2Fbasic-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevesweetney%2Fbasic-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 965ba17cffe952654f9719e9f34dc61ccb6639de
[INFO] documenting stevesweetney/basic-rs 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%2Fstevesweetney%2Fbasic-rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stevesweetney/basic-rs 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/stevesweetney/basic-rs
[INFO] finished tweaking git repo https://github.com/stevesweetney/basic-rs
[INFO] tweaked toml for git repo https://github.com/stevesweetney/basic-rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/stevesweetney/basic-rs 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 glob v0.2.11
[INFO] [stderr]   Downloaded same-file v1.0.4
[INFO] [stderr]   Downloaded rand_xoshiro v0.1.0
[INFO] [stderr]   Downloaded walkdir v2.2.7
[INFO] [stderr]   Downloaded cast v0.2.2
[INFO] [stderr]   Downloaded either v1.5.1
[INFO] [stderr]   Downloaded rgb v0.8.13
[INFO] [stderr]   Downloaded natord v1.0.9
[INFO] [stderr]   Downloaded tinytemplate v1.0.1
[INFO] [stderr]   Downloaded criterion v0.2.11
[INFO] [stderr]   Downloaded resize v0.3.0
[INFO] [stderr]   Downloaded csv v1.0.6
[INFO] [stderr]   Downloaded criterion-plot v0.3.1
[INFO] [stderr]   Downloaded wild v2.0.1
[INFO] [stderr]   Downloaded imgref v1.3.5
[INFO] [stderr]   Downloaded lodepng v2.4.2
[INFO] [stderr]   Downloaded libc v0.2.49
[INFO] [stderr]   Downloaded itertools v0.8.0
[INFO] [stderr]   Downloaded imagequant-sys v2.12.2
[INFO] [stderr]   Downloaded imagequant v2.11.9
[INFO] [stderr]   Downloaded syn v0.15.27
[INFO] [stderr]   Downloaded gif-dispose v2.2.0
[INFO] [stderr]   Downloaded gifski v0.8.7
[INFO] [stderr]   Downloaded pbr v1.0.1
[INFO] [stderr]   Downloaded error-chain v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 91e63504d8131aabf65d2f4de898cddaa6c42317877b4fde0ba7216a7a1c3169
[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" "91e63504d8131aabf65d2f4de898cddaa6c42317877b4fde0ba7216a7a1c3169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91e63504d8131aabf65d2f4de898cddaa6c42317877b4fde0ba7216a7a1c3169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91e63504d8131aabf65d2f4de898cddaa6c42317877b4fde0ba7216a7a1c3169", kill_on_drop: false }`
[INFO] [stdout] 91e63504d8131aabf65d2f4de898cddaa6c42317877b4fde0ba7216a7a1c3169
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 9dc4a2ffca42679d8001fbad598b7fd7ffa111981ac9829ca3e5b818880b20f6
[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" "9dc4a2ffca42679d8001fbad598b7fd7ffa111981ac9829ca3e5b818880b20f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.36
[INFO] [stderr]     Checking imgref v1.3.5
[INFO] [stderr]     Checking wild v2.0.1
[INFO] [stderr]     Checking natord v1.0.9
[INFO] [stderr]     Checking resize v0.3.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking lodepng v2.4.2
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking pbr v1.0.1
[INFO] [stderr]    Compiling syn v0.15.27
[INFO] [stderr]     Checking gif-dispose v2.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking png v0.14.0
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling imagequant-sys v2.12.2
[INFO] [stderr]     Checking backtrace v0.3.15
[INFO] [stderr]     Checking imagequant v2.11.9
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking gifski v0.8.7
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.0
[INFO] [stderr]  Documenting basic v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.15s
[INFO] running `Command { std: "docker" "inspect" "9dc4a2ffca42679d8001fbad598b7fd7ffa111981ac9829ca3e5b818880b20f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dc4a2ffca42679d8001fbad598b7fd7ffa111981ac9829ca3e5b818880b20f6", kill_on_drop: false }`
[INFO] [stdout] 9dc4a2ffca42679d8001fbad598b7fd7ffa111981ac9829ca3e5b818880b20f6