[INFO] fetching crate log4rs 1.0.0-alpha-2...
[INFO] documenting log4rs-1.0.0-alpha-2 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate log4rs 1.0.0-alpha-2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate log4rs 1.0.0-alpha-2 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 log4rs 1.0.0-alpha-2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate log4rs 1.0.0-alpha-2
[INFO] tweaked toml for crates.io crate log4rs 1.0.0-alpha-2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate log4rs 1.0.0-alpha-2 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8147335d142b5d33d9d792537c0a39a4c404f28afb30ebc0fd2080428d56826f
[INFO] running `Command { std: "docker" "start" "-a" "8147335d142b5d33d9d792537c0a39a4c404f28afb30ebc0fd2080428d56826f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8147335d142b5d33d9d792537c0a39a4c404f28afb30ebc0fd2080428d56826f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8147335d142b5d33d9d792537c0a39a4c404f28afb30ebc0fd2080428d56826f", kill_on_drop: false }`
[INFO] [stdout] 8147335d142b5d33d9d792537c0a39a4c404f28afb30ebc0fd2080428d56826f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 2b3a3590e0c00daf2001022c3a9947e2a7bd8ffc6000e0a0a92fcdae0be95145
[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" "2b3a3590e0c00daf2001022c3a9947e2a7bd8ffc6000e0a0a92fcdae0be95145", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking ordered-float v2.0.0
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]  Documenting log4rs v1.0.0-alpha-2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.27s
[INFO] running `Command { std: "docker" "inspect" "2b3a3590e0c00daf2001022c3a9947e2a7bd8ffc6000e0a0a92fcdae0be95145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b3a3590e0c00daf2001022c3a9947e2a7bd8ffc6000e0a0a92fcdae0be95145", kill_on_drop: false }`
[INFO] [stdout] 2b3a3590e0c00daf2001022c3a9947e2a7bd8ffc6000e0a0a92fcdae0be95145
