[INFO] fetching crate s4 0.0.15...
[INFO] documenting s4-0.0.15 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate s4 0.0.15 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate s4 0.0.15 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 s4 0.0.15
[INFO] finished tweaking crates.io crate s4 0.0.15
[INFO] tweaked toml for crates.io crate s4 0.0.15 written to /workspace/builds/worker-0/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 hyper-rustls v0.16.1
[INFO] [stderr]   Downloaded tokio-process v0.2.5
[INFO] [stderr]   Downloaded derive-error v0.0.4
[INFO] [stderr]   Downloaded tokio-rustls v0.9.4
[INFO] [stderr]   Downloaded rusoto_s3 v0.40.0
[INFO] [stderr]   Downloaded rusoto_core v0.40.0
[INFO] [stderr]   Downloaded rusoto_credential v0.40.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] da30d57b4daefa86100a8dfb3724e4cb2667c0717e603e53bb3ca31d729c7937
[INFO] running `Command { std: "docker" "start" "-a" "da30d57b4daefa86100a8dfb3724e4cb2667c0717e603e53bb3ca31d729c7937", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da30d57b4daefa86100a8dfb3724e4cb2667c0717e603e53bb3ca31d729c7937", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da30d57b4daefa86100a8dfb3724e4cb2667c0717e603e53bb3ca31d729c7937", kill_on_drop: false }`
[INFO] [stdout] da30d57b4daefa86100a8dfb3724e4cb2667c0717e603e53bb3ca31d729c7937
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 4959814d86e430db81c108a3a2cc62b9e0dd17193909c9c4c3ab01db95c35db9
[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" "4959814d86e430db81c108a3a2cc62b9e0dd17193909c9c4c3ab01db95c35db9", kill_on_drop: false }`
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking shlex v0.1.1
[INFO] [stderr]     Checking md5 v0.3.8
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking xml-rs v0.7.0
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling rusoto_core v0.40.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking crypto-mac v0.5.2
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking hmac v0.5.0
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-signal v0.2.9
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-process v0.2.5
[INFO] [stderr]    Compiling derive-error v0.0.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking webpki v0.19.1
[INFO] [stderr]     Checking sct v0.5.0
[INFO] [stderr]     Checking ct-logs v0.5.1
[INFO] [stderr]     Checking rustls v0.15.2
[INFO] [stderr]     Checking webpki-roots v0.16.0
[INFO] [stderr]     Checking rusoto_credential v0.40.0
[INFO] [stderr]     Checking tokio-rustls v0.9.4
[INFO] [stderr]     Checking hyper-rustls v0.16.1
[INFO] [stderr]     Checking rusoto_s3 v0.40.0
[INFO] [stderr]  Documenting s4 v0.0.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.03s
[INFO] running `Command { std: "docker" "inspect" "4959814d86e430db81c108a3a2cc62b9e0dd17193909c9c4c3ab01db95c35db9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4959814d86e430db81c108a3a2cc62b9e0dd17193909c9c4c3ab01db95c35db9", kill_on_drop: false }`
[INFO] [stdout] 4959814d86e430db81c108a3a2cc62b9e0dd17193909c9c4c3ab01db95c35db9