[INFO] fetching crate quicksilver-utils-async 0.3.0...
[INFO] documenting quicksilver-utils-async-0.3.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate quicksilver-utils-async 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate quicksilver-utils-async 0.3.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate quicksilver-utils-async 0.3.0
[INFO] finished tweaking crates.io crate quicksilver-utils-async 0.3.0
[INFO] tweaked toml for crates.io crate quicksilver-utils-async 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate quicksilver-utils-async 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a34e19a955f3c0e35a1cf556d9d7fd1f5dc565d21742d9b0795e1aa6dbd6b4d5
[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" "a34e19a955f3c0e35a1cf556d9d7fd1f5dc565d21742d9b0795e1aa6dbd6b4d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a34e19a955f3c0e35a1cf556d9d7fd1f5dc565d21742d9b0795e1aa6dbd6b4d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a34e19a955f3c0e35a1cf556d9d7fd1f5dc565d21742d9b0795e1aa6dbd6b4d5", kill_on_drop: false }`
[INFO] [stdout] a34e19a955f3c0e35a1cf556d9d7fd1f5dc565d21742d9b0795e1aa6dbd6b4d5
[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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d48cf7763d6ec3015e038e67a91ad64797bbea6c0aebc8daac035cc69a96287
[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" "0d48cf7763d6ec3015e038e67a91ad64797bbea6c0aebc8daac035cc69a96287", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-core v0.3.3
[INFO] [stderr]     Checking futures-io v0.3.3
[INFO] [stderr]     Checking futures-sink v0.3.3
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-task v0.3.3
[INFO] [stderr]    Compiling isahc v0.7.6
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.2
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.25
[INFO] [stderr]    Compiling ring v0.16.11
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking openssl-sys v0.9.54
[INFO] [stderr]     Checking serde_json v1.0.46
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking futures-channel v0.3.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mime_guess v2.0.1
[INFO] [stderr]     Checking sluice v0.4.2
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki-roots v0.17.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.10
[INFO] [stderr]    Compiling futures-macro v0.3.3
[INFO] [stderr]     Checking thiserror v1.0.10
[INFO] [stderr]    Compiling curl v0.4.25
[INFO] [stderr]     Checking futures-util v0.3.3
[INFO] [stderr]     Checking surf v1.0.3
[INFO] [stderr]     Checking futures-executor v0.3.3
[INFO] [stderr]     Checking futures v0.3.3
[INFO] [stderr]     Checking soketto v0.3.2
[INFO] [stderr]     Checking async-tls v0.6.0
[INFO] [stderr]  Documenting quicksilver-utils-async v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "0d48cf7763d6ec3015e038e67a91ad64797bbea6c0aebc8daac035cc69a96287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d48cf7763d6ec3015e038e67a91ad64797bbea6c0aebc8daac035cc69a96287", kill_on_drop: false }`
[INFO] [stdout] 0d48cf7763d6ec3015e038e67a91ad64797bbea6c0aebc8daac035cc69a96287
