[INFO] cloning repository https://github.com/TimNN/cargo-lipo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TimNN/cargo-lipo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimNN%2Fcargo-lipo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimNN%2Fcargo-lipo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5bcbaffdc13f233db327708a4167281f3ac9ee7
[INFO] documenting TimNN/cargo-lipo 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%2FTimNN%2Fcargo-lipo" "/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/TimNN/cargo-lipo 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/TimNN/cargo-lipo
[INFO] finished tweaking git repo https://github.com/TimNN/cargo-lipo
[INFO] tweaked toml for git repo https://github.com/TimNN/cargo-lipo written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/TimNN/cargo-lipo 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] 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] 94929a939963d3204b71c8e8011f6bc5fbfd5af289db693ecb95f33fd7c7e219
[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" "94929a939963d3204b71c8e8011f6bc5fbfd5af289db693ecb95f33fd7c7e219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94929a939963d3204b71c8e8011f6bc5fbfd5af289db693ecb95f33fd7c7e219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94929a939963d3204b71c8e8011f6bc5fbfd5af289db693ecb95f33fd7c7e219", kill_on_drop: false }`
[INFO] [stdout] 94929a939963d3204b71c8e8011f6bc5fbfd5af289db693ecb95f33fd7c7e219
[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] 403398eaab798f40352106c8c6f33a69faeb6c421d0f9cdb1a12e9d24cb98d4a
[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" "403398eaab798f40352106c8c6f33a69faeb6c421d0f9cdb1a12e9d24cb98d4a", kill_on_drop: false }`
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking backtrace-sys v0.1.31
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking backtrace v0.3.34
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking cargo_metadata v0.6.4
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]  Documenting cargo-lipo v3.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.88s
[INFO] running `Command { std: "docker" "inspect" "403398eaab798f40352106c8c6f33a69faeb6c421d0f9cdb1a12e9d24cb98d4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "403398eaab798f40352106c8c6f33a69faeb6c421d0f9cdb1a12e9d24cb98d4a", kill_on_drop: false }`
[INFO] [stdout] 403398eaab798f40352106c8c6f33a69faeb6c421d0f9cdb1a12e9d24cb98d4a