[INFO] fetching crate ciruela 0.6.12...
[INFO] documenting ciruela-0.6.12 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate ciruela 0.6.12 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ciruela 0.6.12 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 ciruela 0.6.12
[INFO] finished tweaking crates.io crate ciruela 0.6.12
[INFO] tweaked toml for crates.io crate ciruela 0.6.12 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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 serde_bytes v0.10.5
[INFO] [stderr]   Downloaded openat v0.1.19
[INFO] [stderr]   Downloaded serde_cbor v0.8.2
[INFO] [stderr]   Downloaded blake2 v0.7.1
[INFO] [stderr]   Downloaded ns-env-config v0.1.0
[INFO] [stderr]   Downloaded async-slot v0.1.0
[INFO] [stderr]   Downloaded dir-signature v0.2.9
[INFO] [stderr]   Downloaded atomic v0.3.4
[INFO] [stderr]   Downloaded tk-http v0.3.9
[INFO] [stderr]   Downloaded digest-writer v0.3.1
[INFO] [stderr]   Downloaded serde-humantime v0.1.1
[INFO] [stderr]   Downloaded libcantal v0.3.2
[INFO] [stderr]   Downloaded self-meter-http v0.4.1
[INFO] [stderr]   Downloaded humannum v0.1.0
[INFO] [stderr]   Downloaded tk-cantal v0.3.2
[INFO] [stderr]   Downloaded quire v0.4.1
[INFO] [stderr]   Downloaded ssh-keys v0.1.4
[INFO] [stderr]   Downloaded abstract-ns v0.4.3
[INFO] [stderr]   Downloaded tk-pool v0.5.3
[INFO] [stderr]   Downloaded valuable_futures v0.1.1
[INFO] [stderr]   Downloaded tk-easyloop v0.1.1
[INFO] [stderr]   Downloaded sha1 v0.4.0
[INFO] [stderr]   Downloaded tk-listen v0.1.1
[INFO] [stderr]   Downloaded ns-std-threaded v0.3.0
[INFO] [stderr]   Downloaded self-meter v0.6.0
[INFO] [stderr]   Downloaded ns-router v0.1.6
[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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32f9703bf3fd39b7700f358ebfc89fe9dfcc356d42b1ce4d0f78279af56e473d
[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" "32f9703bf3fd39b7700f358ebfc89fe9dfcc356d42b1ce4d0f78279af56e473d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32f9703bf3fd39b7700f358ebfc89fe9dfcc356d42b1ce4d0f78279af56e473d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32f9703bf3fd39b7700f358ebfc89fe9dfcc356d42b1ce4d0f78279af56e473d", kill_on_drop: false }`
[INFO] [stdout] 32f9703bf3fd39b7700f358ebfc89fe9dfcc356d42b1ce4d0f78279af56e473d
[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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d2febcf88f37788e4f294bf17511105bb360964bf4b8f5289c058e07fafcb51
[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" "1d2febcf88f37788e4f294bf17511105bb360964bf4b8f5289c058e07fafcb51", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking netbuf v0.4.1
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking sha1 v0.4.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking atomic v0.3.4
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]     Checking atomic v0.4.6
[INFO] [stderr]     Checking async-slot v0.1.0
[INFO] [stderr]     Checking valuable_futures v0.1.1
[INFO] [stderr]     Checking scan_dir v0.3.3
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking openat v0.1.19
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking abstract-ns v0.4.3
[INFO] [stderr]     Checking ssh-keys v0.1.4
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking humannum v0.1.0
[INFO] [stderr]     Checking tk-bufstream v0.3.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking tk-listen v0.1.1
[INFO] [stderr]     Checking tk-easyloop v0.1.1
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking crypto-mac v0.5.2
[INFO] [stderr]     Checking ns-std-threaded v0.3.0
[INFO] [stderr]     Checking ns-router v0.1.6
[INFO] [stderr]     Checking tk-pool v0.5.3
[INFO] [stderr]     Checking tk-http v0.3.9
[INFO] [stderr]     Checking digest-writer v0.3.1
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking blake2 v0.7.1
[INFO] [stderr]     Checking ns-env-config v0.1.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking dir-signature v0.2.9
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking serde_millis v0.1.1
[INFO] [stderr]     Checking serde-humantime v0.1.1
[INFO] [stderr]     Checking serde_cbor v0.8.2
[INFO] [stderr]     Checking serde_bytes v0.10.5
[INFO] [stderr]     Checking quire v0.4.1
[INFO] [stderr]     Checking libcantal v0.3.2
[INFO] [stderr]     Checking self-meter v0.6.0
[INFO] [stderr]     Checking tk-cantal v0.3.2
[INFO] [stderr]     Checking self-meter-http v0.4.1
[INFO] [stderr]  Documenting ciruela v0.6.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.64s
[INFO] running `Command { std: "docker" "inspect" "1d2febcf88f37788e4f294bf17511105bb360964bf4b8f5289c058e07fafcb51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d2febcf88f37788e4f294bf17511105bb360964bf4b8f5289c058e07fafcb51", kill_on_drop: false }`
[INFO] [stdout] 1d2febcf88f37788e4f294bf17511105bb360964bf4b8f5289c058e07fafcb51