[INFO] fetching crate flatzinc 0.3.14...
[INFO] documenting flatzinc-0.3.14 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate flatzinc 0.3.14 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate flatzinc 0.3.14 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 crates.io crate flatzinc 0.3.14
[INFO] finished tweaking crates.io crate flatzinc 0.3.14
[INFO] tweaked toml for crates.io crate flatzinc 0.3.14 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate flatzinc 0.3.14 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 44d39c7a9d34b7bdee96ef8de2b989f361ac89c7a17976d4c90d026b84698377
[INFO] running `Command { std: "docker" "start" "-a" "44d39c7a9d34b7bdee96ef8de2b989f361ac89c7a17976d4c90d026b84698377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44d39c7a9d34b7bdee96ef8de2b989f361ac89c7a17976d4c90d026b84698377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44d39c7a9d34b7bdee96ef8de2b989f361ac89c7a17976d4c90d026b84698377", kill_on_drop: false }`
[INFO] [stdout] 44d39c7a9d34b7bdee96ef8de2b989f361ac89c7a17976d4c90d026b84698377
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 7eb86fb3f5aa5d20a956bbeac9bc166f06e6fc69a473903890f698c43df17946
[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" "7eb86fb3f5aa5d20a956bbeac9bc166f06e6fc69a473903890f698c43df17946", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking stderrlog v0.4.3
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]  Documenting flatzinc v0.3.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.70s
[INFO] running `Command { std: "docker" "inspect" "7eb86fb3f5aa5d20a956bbeac9bc166f06e6fc69a473903890f698c43df17946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eb86fb3f5aa5d20a956bbeac9bc166f06e6fc69a473903890f698c43df17946", kill_on_drop: false }`
[INFO] [stdout] 7eb86fb3f5aa5d20a956bbeac9bc166f06e6fc69a473903890f698c43df17946