[INFO] fetching crate sardine 0.5.0...
[INFO] documenting sardine-0.5.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate sardine 0.5.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate sardine 0.5.0 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sardine 0.5.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate sardine 0.5.0
[INFO] tweaked toml for crates.io crate sardine 0.5.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate sardine 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /workspace/builds/worker-0/source/src/lib.rs
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+1.46.0" "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] e9a2867c59201ff9cb7cbe52ebbbf53685cbefc7284ebf13d6e6a4e41c215e05
[INFO] running `Command { std: "docker" "start" "-a" "e9a2867c59201ff9cb7cbe52ebbbf53685cbefc7284ebf13d6e6a4e41c215e05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9a2867c59201ff9cb7cbe52ebbbf53685cbefc7284ebf13d6e6a4e41c215e05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9a2867c59201ff9cb7cbe52ebbbf53685cbefc7284ebf13d6e6a4e41c215e05", kill_on_drop: false }`
[INFO] [stdout] e9a2867c59201ff9cb7cbe52ebbbf53685cbefc7284ebf13d6e6a4e41c215e05
[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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d648eaa7a8054ba0119593ee75ef8f52ffb2cb0b00e4e756faa2391033a5e4bd
[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" "d648eaa7a8054ba0119593ee75ef8f52ffb2cb0b00e4e756faa2391033a5e4bd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/src/lib.rs
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking byteorder v0.4.2
[INFO] [stderr]     Checking keystream v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking chacha v0.1.0
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking crypto-mac v0.6.2
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking hmac v0.6.3
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]  Documenting sardine v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.82s
[INFO] running `Command { std: "docker" "inspect" "d648eaa7a8054ba0119593ee75ef8f52ffb2cb0b00e4e756faa2391033a5e4bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d648eaa7a8054ba0119593ee75ef8f52ffb2cb0b00e4e756faa2391033a5e4bd", kill_on_drop: false }`
[INFO] [stdout] d648eaa7a8054ba0119593ee75ef8f52ffb2cb0b00e4e756faa2391033a5e4bd