[INFO] cloning repository https://github.com/DERPSQUID9/scrivener
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DERPSQUID9/scrivener" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDERPSQUID9%2Fscrivener", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDERPSQUID9%2Fscrivener'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 44557c084b3e2ddb495402a434645479bf3c0b7a
[INFO] documenting DERPSQUID9/scrivener 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%2FDERPSQUID9%2Fscrivener" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DERPSQUID9/scrivener 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/DERPSQUID9/scrivener
[INFO] finished tweaking git repo https://github.com/DERPSQUID9/scrivener
[INFO] tweaked toml for git repo https://github.com/DERPSQUID9/scrivener written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/DERPSQUID9/scrivener 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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 25c31f9d3970c022b9fe4e987f20da6750f74a0e0d5d8aac9f74af3f2cf32dc4
[INFO] running `Command { std: "docker" "start" "-a" "25c31f9d3970c022b9fe4e987f20da6750f74a0e0d5d8aac9f74af3f2cf32dc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25c31f9d3970c022b9fe4e987f20da6750f74a0e0d5d8aac9f74af3f2cf32dc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25c31f9d3970c022b9fe4e987f20da6750f74a0e0d5d8aac9f74af3f2cf32dc4", kill_on_drop: false }`
[INFO] [stdout] 25c31f9d3970c022b9fe4e987f20da6750f74a0e0d5d8aac9f74af3f2cf32dc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 58ebf312e42a14585aa5a0832f9b6626701827a99907ea5da5e1caf18b900449
[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" "58ebf312e42a14585aa5a0832f9b6626701827a99907ea5da5e1caf18b900449", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking scrawl v1.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.36
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking confy v0.4.0
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]  Documenting scrivener v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.15s
[INFO] running `Command { std: "docker" "inspect" "58ebf312e42a14585aa5a0832f9b6626701827a99907ea5da5e1caf18b900449", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58ebf312e42a14585aa5a0832f9b6626701827a99907ea5da5e1caf18b900449", kill_on_drop: false }`
[INFO] [stdout] 58ebf312e42a14585aa5a0832f9b6626701827a99907ea5da5e1caf18b900449