[INFO] fetching crate phase21 0.8.0...
[INFO] documenting phase21-0.8.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate phase21 0.8.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate phase21 0.8.0 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 phase21 0.8.0
[INFO] finished tweaking crates.io crate phase21 0.8.0
[INFO] tweaked toml for crates.io crate phase21 0.8.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate phase21 0.8.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53a98a49755e9cdbc663acb3a82d3f43b19c376c352a3facace5e1719a12cf18
[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" "53a98a49755e9cdbc663acb3a82d3f43b19c376c352a3facace5e1719a12cf18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53a98a49755e9cdbc663acb3a82d3f43b19c376c352a3facace5e1719a12cf18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53a98a49755e9cdbc663acb3a82d3f43b19c376c352a3facace5e1719a12cf18", kill_on_drop: false }`
[INFO] [stdout] 53a98a49755e9cdbc663acb3a82d3f43b19c376c352a3facace5e1719a12cf18
[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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf877e40e7b9edc9905a3e10b577f8ffd449b6bb2c5c58d011a18be822a68f89
[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" "bf877e40e7b9edc9905a3e10b577f8ffd449b6bb2c5c58d011a18be822a68f89", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking blake2s_simd v0.5.10
[INFO] [stderr]    Compiling fff v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking hkdf v0.8.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking rayon-core v1.7.1
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking rayon v1.3.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling fff_derive v0.2.2
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking groupy v0.3.1
[INFO] [stderr]     Checking paired v0.20.1
[INFO] [stderr]     Checking bellperson v0.9.2
[INFO] [stderr]  Documenting phase21 v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.58s
[INFO] running `Command { std: "docker" "inspect" "bf877e40e7b9edc9905a3e10b577f8ffd449b6bb2c5c58d011a18be822a68f89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf877e40e7b9edc9905a3e10b577f8ffd449b6bb2c5c58d011a18be822a68f89", kill_on_drop: false }`
[INFO] [stdout] bf877e40e7b9edc9905a3e10b577f8ffd449b6bb2c5c58d011a18be822a68f89