[INFO] fetching crate phase21 0.8.0...
[INFO] documenting phase21-0.8.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate phase21 0.8.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate phase21 0.8.0 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 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-4/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" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ff-cl-gen v0.1.3
[INFO] [stderr]   Downloaded groupy v0.3.1
[INFO] [stderr]   Downloaded qutex v0.2.3
[INFO] [stderr]   Downloaded bellperson v0.9.2
[INFO] [stderr]   Downloaded fil-ocl-core v0.11.3
[INFO] [stderr]   Downloaded fil-ocl v0.19.4
[INFO] [stderr]   Downloaded fff v0.2.3
[INFO] [stderr]   Downloaded fff_derive v0.2.2
[INFO] [stderr]   Downloaded paired v0.20.1
[INFO] [stderr]   Downloaded ocl-core-vector v0.1.0
[INFO] [stderr]   Downloaded cl-sys v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 19b7279e9551475e976db5c9d5abf7012c29004c8babb7945d78ad122ab8cb5f
[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" "19b7279e9551475e976db5c9d5abf7012c29004c8babb7945d78ad122ab8cb5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19b7279e9551475e976db5c9d5abf7012c29004c8babb7945d78ad122ab8cb5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19b7279e9551475e976db5c9d5abf7012c29004c8babb7945d78ad122ab8cb5f", kill_on_drop: false }`
[INFO] [stdout] 19b7279e9551475e976db5c9d5abf7012c29004c8babb7945d78ad122ab8cb5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 45947804560fe7f0a5c3c33a5e0c624178af1318fb0c844f35a067ab452619fd
[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" "45947804560fe7f0a5c3c33a5e0c624178af1318fb0c844f35a067ab452619fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling fff v0.2.3
[INFO] [stderr]     Checking blake2s_simd v0.5.10
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]     Checking memmap v0.7.0
[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 rayon-core v1.7.1
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rayon v1.3.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.3.8
[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 25.85s
[INFO] running `Command { std: "docker" "inspect" "45947804560fe7f0a5c3c33a5e0c624178af1318fb0c844f35a067ab452619fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45947804560fe7f0a5c3c33a5e0c624178af1318fb0c844f35a067ab452619fd", kill_on_drop: false }`
[INFO] [stdout] 45947804560fe7f0a5c3c33a5e0c624178af1318fb0c844f35a067ab452619fd