[INFO] fetching crate cotton 0.0.9...
[INFO] documenting cotton-0.0.9 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate cotton 0.0.9 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate cotton 0.0.9 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 crates.io crate cotton 0.0.9
[INFO] finished tweaking crates.io crate cotton 0.0.9
[INFO] tweaked toml for crates.io crate cotton 0.0.9 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded os_pipe v0.9.2
[INFO] [stderr]   Downloaded duct v0.13.4
[INFO] [stderr]   Downloaded shaman v0.1.0
[INFO] [stderr]   Downloaded problem v5.3.0
[INFO] [stderr]   Downloaded tap v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 1d7e322e40be963753292a3d72ecd459a6355fc6735a07e0a21096ee18f0cac0
[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" "1d7e322e40be963753292a3d72ecd459a6355fc6735a07e0a21096ee18f0cac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d7e322e40be963753292a3d72ecd459a6355fc6735a07e0a21096ee18f0cac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d7e322e40be963753292a3d72ecd459a6355fc6735a07e0a21096ee18f0cac0", kill_on_drop: false }`
[INFO] [stdout] 1d7e322e40be963753292a3d72ecd459a6355fc6735a07e0a21096ee18f0cac0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 5e65918139aa25ff8830f610009117210292f850df5e64d64c66dac0d9fb1954
[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" "5e65918139aa25ff8830f610009117210292f850df5e64d64c66dac0d9fb1954", kill_on_drop: false }`
[INFO] [stderr]     Checking boolinator v2.4.0
[INFO] [stderr]     Checking tap v0.3.1
[INFO] [stderr]     Checking assert_matches v1.3.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]     Checking shared_child v0.3.4
[INFO] [stderr]     Checking errno v0.2.6
[INFO] [stderr]     Checking os_pipe v0.9.2
[INFO] [stderr]     Checking problem v5.3.0
[INFO] [stderr]     Checking shaman v0.1.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking exec v0.3.1
[INFO] [stderr]     Checking duct v0.13.4
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]     Checking structopt v0.3.17
[INFO] [stderr]  Documenting cotton v0.0.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.14s
[INFO] running `Command { std: "docker" "inspect" "5e65918139aa25ff8830f610009117210292f850df5e64d64c66dac0d9fb1954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e65918139aa25ff8830f610009117210292f850df5e64d64c66dac0d9fb1954", kill_on_drop: false }`
[INFO] [stdout] 5e65918139aa25ff8830f610009117210292f850df5e64d64c66dac0d9fb1954