[INFO] fetching crate cgc 0.4.0...
[INFO] documenting cgc-0.4.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate cgc 0.4.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate cgc 0.4.0 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 cgc 0.4.0
[INFO] finished tweaking crates.io crate cgc 0.4.0
[INFO] tweaked toml for crates.io crate cgc 0.4.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate cgc 0.4.0 already has a lockfile, it will not be regenerated
[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 simple_logger v1.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 275685d87d558bd869d50db10d5a817b09c957abdefc102bf03f528a8a6bd83c
[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" "275685d87d558bd869d50db10d5a817b09c957abdefc102bf03f528a8a6bd83c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "275685d87d558bd869d50db10d5a817b09c957abdefc102bf03f528a8a6bd83c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "275685d87d558bd869d50db10d5a817b09c957abdefc102bf03f528a8a6bd83c", kill_on_drop: false }`
[INFO] [stdout] 275685d87d558bd869d50db10d5a817b09c957abdefc102bf03f528a8a6bd83c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 858424adef0ea174d71d1b6aab3d5387f1cbc682962c16d4b4cccba0ea15b533
[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" "858424adef0ea174d71d1b6aab3d5387f1cbc682962c16d4b4cccba0ea15b533", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking colored v1.9.2
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking simple_logger v1.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling rustversion v1.0.1
[INFO] [stderr]    Compiling time-macros-impl v0.1.0
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking time v0.2.3
[INFO] [stderr]  Documenting cgc v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.73s
[INFO] running `Command { std: "docker" "inspect" "858424adef0ea174d71d1b6aab3d5387f1cbc682962c16d4b4cccba0ea15b533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "858424adef0ea174d71d1b6aab3d5387f1cbc682962c16d4b4cccba0ea15b533", kill_on_drop: false }`
[INFO] [stdout] 858424adef0ea174d71d1b6aab3d5387f1cbc682962c16d4b4cccba0ea15b533