[INFO] fetching crate icns 0.3.1...
[INFO] documenting icns-0.3.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate icns 0.3.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate icns 0.3.1 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 icns 0.3.1
[INFO] finished tweaking crates.io crate icns 0.3.1
[INFO] tweaked toml for crates.io crate icns 0.3.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate icns 0.3.1 already has a lockfile, it will not be regenerated
[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] 1008daf79c8a4397b4809e8ead05ffedacd8e7d8941007e9c45701a16b9ce3be
[INFO] running `Command { std: "docker" "start" "-a" "1008daf79c8a4397b4809e8ead05ffedacd8e7d8941007e9c45701a16b9ce3be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1008daf79c8a4397b4809e8ead05ffedacd8e7d8941007e9c45701a16b9ce3be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1008daf79c8a4397b4809e8ead05ffedacd8e7d8941007e9c45701a16b9ce3be", kill_on_drop: false }`
[INFO] [stdout] 1008daf79c8a4397b4809e8ead05ffedacd8e7d8941007e9c45701a16b9ce3be
[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] 585f95422072617b43d06a44f1a3399282081941db6ec2c026b5b44bb77b76fc
[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" "585f95422072617b43d06a44f1a3399282081941db6ec2c026b5b44bb77b76fc", kill_on_drop: false }`
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking inflate v0.4.3
[INFO] [stderr]     Checking deflate v0.8.4
[INFO] [stderr]     Checking png v0.16.4
[INFO] [stderr]  Documenting icns v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.74s
[INFO] running `Command { std: "docker" "inspect" "585f95422072617b43d06a44f1a3399282081941db6ec2c026b5b44bb77b76fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "585f95422072617b43d06a44f1a3399282081941db6ec2c026b5b44bb77b76fc", kill_on_drop: false }`
[INFO] [stdout] 585f95422072617b43d06a44f1a3399282081941db6ec2c026b5b44bb77b76fc
[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] [stdout] 0d8487c7ea164b861d1523528e2840aa9627059f5cf113333be8734d15fe9f3b
[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" "0d8487c7ea164b861d1523528e2840aa9627059f5cf113333be8734d15fe9f3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking inflate v0.4.3
[INFO] [stderr]     Checking deflate v0.8.4
[INFO] [stderr]     Checking png v0.16.4
[INFO] [stderr]  Documenting icns v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.01s
[INFO] running `Command { std: "docker" "inspect" "0d8487c7ea164b861d1523528e2840aa9627059f5cf113333be8734d15fe9f3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d8487c7ea164b861d1523528e2840aa9627059f5cf113333be8734d15fe9f3b", kill_on_drop: false }`
[INFO] [stdout] 0d8487c7ea164b861d1523528e2840aa9627059f5cf113333be8734d15fe9f3b