[INFO] cloning repository https://github.com/Babanmei/mget-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Babanmei/mget-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBabanmei%2Fmget-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBabanmei%2Fmget-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f5e8641387ceefa06d6f12f30d9aa1ca66231fd
[INFO] documenting Babanmei/mget-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%2FBabanmei%2Fmget-rs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Babanmei/mget-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/Babanmei/mget-rs
[INFO] finished tweaking git repo https://github.com/Babanmei/mget-rs
[INFO] tweaked toml for git repo https://github.com/Babanmei/mget-rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Babanmei/mget-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]     Updating git repository `https://github.com/seanmonstar/reqwest.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] b1b970e2b46ea86b2946093ed5721e4639990f366f19de653b6da83b777c1ca2
[INFO] running `Command { std: "docker" "start" "-a" "b1b970e2b46ea86b2946093ed5721e4639990f366f19de653b6da83b777c1ca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1b970e2b46ea86b2946093ed5721e4639990f366f19de653b6da83b777c1ca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1b970e2b46ea86b2946093ed5721e4639990f366f19de653b6da83b777c1ca2", kill_on_drop: false }`
[INFO] [stdout] b1b970e2b46ea86b2946093ed5721e4639990f366f19de653b6da83b777c1ca2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 143018c8694af3b9528c4806c8ec35c34f311510bffbe6e5ad8433bddc9cef8c
[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" "143018c8694af3b9528c4806c8ec35c34f311510bffbe6e5ad8433bddc9cef8c", kill_on_drop: false }`
[INFO] [stderr]     Checking json v0.12.1
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking positioned-io v0.2.2
[INFO] [stderr]     Checking indicatif v0.14.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking tokio v0.2.11
[INFO] [stderr]    Compiling proc-macro-error v0.4.9
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.9
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1 (https://github.com/clap-rs/clap.git#bbb14f8b)
[INFO] [stderr]     Checking hyper v0.13.2
[INFO] [stderr]     Checking clap v3.0.0-beta.1 (https://github.com/clap-rs/clap.git#bbb14f8b)
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking reqwest v0.10.1 (https://github.com/seanmonstar/reqwest.git#f6ff7f43)
[INFO] [stderr]  Documenting mget-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.52s
[INFO] running `Command { std: "docker" "inspect" "143018c8694af3b9528c4806c8ec35c34f311510bffbe6e5ad8433bddc9cef8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "143018c8694af3b9528c4806c8ec35c34f311510bffbe6e5ad8433bddc9cef8c", kill_on_drop: false }`
[INFO] [stdout] 143018c8694af3b9528c4806c8ec35c34f311510bffbe6e5ad8433bddc9cef8c