[INFO] cloning repository https://github.com/hobofan/cargo-nono
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hobofan/cargo-nono" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhobofan%2Fcargo-nono", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhobofan%2Fcargo-nono'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 65950ec0c23694f730f4e6b110ed5c474b9be443
[INFO] documenting hobofan/cargo-nono 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%2Fhobofan%2Fcargo-nono" "/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/hobofan/cargo-nono 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/hobofan/cargo-nono
[INFO] finished tweaking git repo https://github.com/hobofan/cargo-nono
[INFO] tweaked toml for git repo https://github.com/hobofan/cargo-nono written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/hobofan/cargo-nono 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] 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] [stdout] a778501a2effdf2a932f25f95f9fc8795e1dd89a71bf48f4cd5afe2dc6b4edea
[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" "a778501a2effdf2a932f25f95f9fc8795e1dd89a71bf48f4cd5afe2dc6b4edea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a778501a2effdf2a932f25f95f9fc8795e1dd89a71bf48f4cd5afe2dc6b4edea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a778501a2effdf2a932f25f95f9fc8795e1dd89a71bf48f4cd5afe2dc6b4edea", kill_on_drop: false }`
[INFO] [stdout] a778501a2effdf2a932f25f95f9fc8795e1dd89a71bf48f4cd5afe2dc6b4edea
[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] 9f17b07f802b0d480bd841118922178ffc5296f1156ac1a15bddecfde0e9a6e4
[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" "9f17b07f802b0d480bd841118922178ffc5296f1156ac1a15bddecfde0e9a6e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking smallvec v1.1.0
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]    Compiling cargo-nono v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking console v0.7.7
[INFO] [stderr]     Checking quote v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking cargo_metadata v0.8.2
[INFO] [stderr]  Documenting cargo-nono v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "9f17b07f802b0d480bd841118922178ffc5296f1156ac1a15bddecfde0e9a6e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f17b07f802b0d480bd841118922178ffc5296f1156ac1a15bddecfde0e9a6e4", kill_on_drop: false }`
[INFO] [stdout] 9f17b07f802b0d480bd841118922178ffc5296f1156ac1a15bddecfde0e9a6e4