[INFO] cloning repository https://github.com/7db9a/ls-key
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/7db9a/ls-key" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F7db9a%2Fls-key", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F7db9a%2Fls-key'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 893f420c21dd91c2a192da678af87807ed239d70
[INFO] documenting 7db9a/ls-key against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F7db9a%2Fls-key" "/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/7db9a/ls-key on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/7db9a/ls-key
[INFO] finished tweaking git repo https://github.com/7db9a/ls-key
[INFO] tweaked toml for git repo https://github.com/7db9a/ls-key written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/7db9a/ls-key already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "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] d555d72862fb6d056438d9eabecb5aa13d3e3d687aa515dda4b2c15cf00a8ee7
[INFO] running `Command { std: "docker" "start" "-a" "d555d72862fb6d056438d9eabecb5aa13d3e3d687aa515dda4b2c15cf00a8ee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d555d72862fb6d056438d9eabecb5aa13d3e3d687aa515dda4b2c15cf00a8ee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d555d72862fb6d056438d9eabecb5aa13d3e3d687aa515dda4b2c15cf00a8ee7", kill_on_drop: false }`
[INFO] [stdout] d555d72862fb6d056438d9eabecb5aa13d3e3d687aa515dda4b2c15cf00a8ee7
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61ef72e41014ab240054941aa9b8eba6bf39239d4451f907b59d66f97cd9bc53
[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" "61ef72e41014ab240054941aa9b8eba6bf39239d4451f907b59d66f97cd9bc53", kill_on_drop: false }`
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking crc8 v0.1.1
[INFO] [stderr]     Checking xdotool v0.0.2
[INFO] [stderr]     Checking seahorse v0.7.1
[INFO] [stderr]     Checking cmd_lib v0.7.8
[INFO] [stderr]     Checking term_grid v0.1.7
[INFO] [stderr]     Checking fuzzy-matcher v0.3.4
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking md2 v0.8.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking md4 v0.8.0
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking easy-hasher v2.1.1
[INFO] [stderr]  Documenting lsk v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.57s
[INFO] running `Command { std: "docker" "inspect" "61ef72e41014ab240054941aa9b8eba6bf39239d4451f907b59d66f97cd9bc53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61ef72e41014ab240054941aa9b8eba6bf39239d4451f907b59d66f97cd9bc53", kill_on_drop: false }`
[INFO] [stdout] 61ef72e41014ab240054941aa9b8eba6bf39239d4451f907b59d66f97cd9bc53