[INFO] fetching crate prompto 0.0.3...
[INFO] documenting prompto-0.0.3 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate prompto 0.0.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate prompto 0.0.3 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prompto 0.0.3
[INFO] finished tweaking crates.io crate prompto 0.0.3
[INFO] tweaked toml for crates.io crate prompto 0.0.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] 84d1baed5b8283b96dfede271e94360dcd3005b983dfa884cb75948b0ab9219e
[INFO] running `Command { std: "docker" "start" "-a" "84d1baed5b8283b96dfede271e94360dcd3005b983dfa884cb75948b0ab9219e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84d1baed5b8283b96dfede271e94360dcd3005b983dfa884cb75948b0ab9219e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84d1baed5b8283b96dfede271e94360dcd3005b983dfa884cb75948b0ab9219e", kill_on_drop: false }`
[INFO] [stdout] 84d1baed5b8283b96dfede271e94360dcd3005b983dfa884cb75948b0ab9219e
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0352c106df29f0ad09a222aabd36003827bc14d05a6b0d047807214ac1b45853
[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" "0352c106df29f0ad09a222aabd36003827bc14d05a6b0d047807214ac1b45853", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking crossbeam-utils v0.8.8
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rayon-core v1.9.3
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking png v0.5.2
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking image v0.10.4
[INFO] [stderr]  Documenting prompto v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.46s
[INFO] running `Command { std: "docker" "inspect" "0352c106df29f0ad09a222aabd36003827bc14d05a6b0d047807214ac1b45853", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0352c106df29f0ad09a222aabd36003827bc14d05a6b0d047807214ac1b45853", kill_on_drop: false }`
[INFO] [stdout] 0352c106df29f0ad09a222aabd36003827bc14d05a6b0d047807214ac1b45853
[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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", 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] 4983c32c37e6d7f95a2c361c93fcb852e52d5a701d550aa0b6c45b2f4e62ce96
[INFO] running `Command { std: "docker" "start" "-a" "4983c32c37e6d7f95a2c361c93fcb852e52d5a701d550aa0b6c45b2f4e62ce96", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking inflate v0.1.1
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking png v0.5.2
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking image v0.10.4
[INFO] [stderr]  Documenting prompto v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.14s
[INFO] running `Command { std: "docker" "inspect" "4983c32c37e6d7f95a2c361c93fcb852e52d5a701d550aa0b6c45b2f4e62ce96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4983c32c37e6d7f95a2c361c93fcb852e52d5a701d550aa0b6c45b2f4e62ce96", kill_on_drop: false }`
[INFO] [stdout] 4983c32c37e6d7f95a2c361c93fcb852e52d5a701d550aa0b6c45b2f4e62ce96