[INFO] cloning repository https://github.com/LiamCoal/rusty-calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LiamCoal/rusty-calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiamCoal%2Frusty-calculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiamCoal%2Frusty-calculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a49cd7e3ecc575725b7d1139d23821bc869f69e0
[INFO] documenting LiamCoal/rusty-calculator 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%2FLiamCoal%2Frusty-calculator" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LiamCoal/rusty-calculator 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/LiamCoal/rusty-calculator
[INFO] finished tweaking git repo https://github.com/LiamCoal/rusty-calculator
[INFO] tweaked toml for git repo https://github.com/LiamCoal/rusty-calculator written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/LiamCoal/rusty-calculator 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 dirs-sys-next v0.1.0
[INFO] [stderr]   Downloaded dirs-next v1.0.1
[INFO] [stderr]   Downloaded assert_approx_eq v1.1.0
[INFO] [stderr]   Downloaded utf8parse v0.2.0
[INFO] [stderr]   Downloaded rustyline v6.2.0
[INFO] [stderr]   Downloaded colored v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 2046b14ffb02fd4c38d517cc0682d59d627b9f8c19a4cf809454dabb9a9b32c0
[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" "2046b14ffb02fd4c38d517cc0682d59d627b9f8c19a4cf809454dabb9a9b32c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2046b14ffb02fd4c38d517cc0682d59d627b9f8c19a4cf809454dabb9a9b32c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2046b14ffb02fd4c38d517cc0682d59d627b9f8c19a4cf809454dabb9a9b32c0", kill_on_drop: false }`
[INFO] [stdout] 2046b14ffb02fd4c38d517cc0682d59d627b9f8c19a4cf809454dabb9a9b32c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] ae33ba498dd312a85e8e343d7a80ba6ed3438bfeaf031ee197f54350b6dc7e62
[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" "ae33ba498dd312a85e8e343d7a80ba6ed3438bfeaf031ee197f54350b6dc7e62", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking dirs-sys-next v0.1.0
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking dirs-next v1.0.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rustyline v6.2.0
[INFO] [stderr]  Documenting rusty-calculator v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.44s
[INFO] running `Command { std: "docker" "inspect" "ae33ba498dd312a85e8e343d7a80ba6ed3438bfeaf031ee197f54350b6dc7e62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae33ba498dd312a85e8e343d7a80ba6ed3438bfeaf031ee197f54350b6dc7e62", kill_on_drop: false }`
[INFO] [stdout] ae33ba498dd312a85e8e343d7a80ba6ed3438bfeaf031ee197f54350b6dc7e62