[INFO] fetching crate enc_file 0.3.9...
[INFO] documenting enc_file-0.3.9 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate enc_file 0.3.9 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate enc_file 0.3.9 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 enc_file 0.3.9
[INFO] finished tweaking crates.io crate enc_file 0.3.9
[INFO] tweaked toml for crates.io crate enc_file 0.3.9 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate enc_file 0.3.9 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] 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" "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] 86bb21f5c6a8b65118b6b34c3e32df9e16b6bb4745aa7ffb695896bedcd3c84c
[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" "86bb21f5c6a8b65118b6b34c3e32df9e16b6bb4745aa7ffb695896bedcd3c84c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86bb21f5c6a8b65118b6b34c3e32df9e16b6bb4745aa7ffb695896bedcd3c84c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86bb21f5c6a8b65118b6b34c3e32df9e16b6bb4745aa7ffb695896bedcd3c84c", kill_on_drop: false }`
[INFO] [stdout] 86bb21f5c6a8b65118b6b34c3e32df9e16b6bb4745aa7ffb695896bedcd3c84c
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] af0b816b68847f75b2c228b556697a488f3616bbd3268f0f64db812502804cb7
[INFO] running `Command { std: "docker" "start" "-a" "af0b816b68847f75b2c228b556697a488f3616bbd3268f0f64db812502804cb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking subtle v2.2.3
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking cpuid-bool v0.1.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling generic-array v0.14.2
[INFO] [stderr]     Checking block-cipher v0.8.0
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking aead v0.3.1
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking aes-soft v0.5.0
[INFO] [stderr]     Checking stream-cipher v0.7.1
[INFO] [stderr]     Checking polyval v0.4.0
[INFO] [stderr]     Checking poly1305 v0.6.0
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking chacha20 v0.5.0
[INFO] [stderr]     Checking aes v0.5.0
[INFO] [stderr]     Checking chacha20poly1305 v0.6.0
[INFO] [stderr]     Checking aes-gcm-siv v0.8.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling blake3 v0.3.7
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]  Documenting enc_file v0.3.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.86s
[INFO] running `Command { std: "docker" "inspect" "af0b816b68847f75b2c228b556697a488f3616bbd3268f0f64db812502804cb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af0b816b68847f75b2c228b556697a488f3616bbd3268f0f64db812502804cb7", kill_on_drop: false }`
[INFO] [stdout] af0b816b68847f75b2c228b556697a488f3616bbd3268f0f64db812502804cb7
