[INFO] fetching crate secret-tree 0.2.0...
[INFO] documenting secret-tree-0.2.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate secret-tree 0.2.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate secret-tree 0.2.0 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 secret-tree 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate secret-tree 0.2.0
[INFO] tweaked toml for crates.io crate secret-tree 0.2.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate secret-tree 0.2.0 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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] 3ba532a35330094079cf5cc02e045f314eb0db93bdd0e5c1eac34256c0cc7529
[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" "3ba532a35330094079cf5cc02e045f314eb0db93bdd0e5c1eac34256c0cc7529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ba532a35330094079cf5cc02e045f314eb0db93bdd0e5c1eac34256c0cc7529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ba532a35330094079cf5cc02e045f314eb0db93bdd0e5c1eac34256c0cc7529", kill_on_drop: false }`
[INFO] [stdout] 3ba532a35330094079cf5cc02e045f314eb0db93bdd0e5c1eac34256c0cc7529
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] be8dc18acf007d39f2d68c838eaeeed8cc45a1c19f4cee8fc26e4ea58a613c3f
[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" "be8dc18acf007d39f2d68c838eaeeed8cc45a1c19f4cee8fc26e4ea58a613c3f", kill_on_drop: false }`
[INFO] [stderr]     Checking spin v0.5.0
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking getrandom v0.1.6
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]  Documenting secret-tree v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.37s
[INFO] running `Command { std: "docker" "inspect" "be8dc18acf007d39f2d68c838eaeeed8cc45a1c19f4cee8fc26e4ea58a613c3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be8dc18acf007d39f2d68c838eaeeed8cc45a1c19f4cee8fc26e4ea58a613c3f", kill_on_drop: false }`
[INFO] [stdout] be8dc18acf007d39f2d68c838eaeeed8cc45a1c19f4cee8fc26e4ea58a613c3f