[INFO] fetching crate fruitbasket 0.9.0...
[INFO] documenting fruitbasket-0.9.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate fruitbasket 0.9.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate fruitbasket 0.9.0 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 fruitbasket 0.9.0
[INFO] finished tweaking crates.io crate fruitbasket 0.9.0
[INFO] tweaked toml for crates.io crate fruitbasket 0.9.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate fruitbasket 0.9.0 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 dirs v2.0.1
[INFO] [stderr]   Downloaded log4rs v0.8.3
[INFO] [stderr]   Downloaded constant_time_eq v0.1.3
[INFO] [stderr]   Downloaded antidote v1.0.0
[INFO] [stderr]   Downloaded autocfg v0.1.4
[INFO] [stderr]   Downloaded blake2-rfc v0.2.18
[INFO] [stderr]   Downloaded cc v1.0.37
[INFO] [stderr]   Downloaded redox_users v0.3.0
[INFO] [stderr]   Downloaded libc v0.2.59
[INFO] [stderr]   Downloaded backtrace v0.3.32
[INFO] [stderr]   Downloaded backtrace-sys v0.1.30
[INFO] [stderr]   Downloaded objc_exception v0.1.1
[INFO] [stderr]   Downloaded winapi v0.3.7
[INFO] [stderr]   Downloaded rand_core v0.4.0
[INFO] [stderr]   Downloaded log-mdc v0.1.0
[INFO] [stderr]   Downloaded syn v0.15.39
[INFO] [stderr]   Downloaded thread-id v3.3.0
[INFO] [stderr]   Downloaded argon2rs v0.2.5
[INFO] [stderr]   Downloaded chrono v0.4.7
[INFO] [stderr]   Downloaded rustc-demangle v0.1.15
[INFO] [stderr]   Downloaded log v0.4.7
[INFO] [stderr]   Downloaded objc v0.2.6
[INFO] [stderr]   Downloaded dirs-sys v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] de18228a7d9206ae7b9372f08cf36109bf47c43827c3d9e16366e6aabcdaf38f
[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" "de18228a7d9206ae7b9372f08cf36109bf47c43827c3d9e16366e6aabcdaf38f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de18228a7d9206ae7b9372f08cf36109bf47c43827c3d9e16366e6aabcdaf38f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de18228a7d9206ae7b9372f08cf36109bf47c43827c3d9e16366e6aabcdaf38f", kill_on_drop: false }`
[INFO] [stdout] de18228a7d9206ae7b9372f08cf36109bf47c43827c3d9e16366e6aabcdaf38f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] d981c5b7094b88efac8640f1185136ad8109a06fb6d026157d4bde87b4467976
[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" "d981c5b7094b88efac8640f1185136ad8109a06fb6d026157d4bde87b4467976", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]     Checking dirs-sys v0.3.3
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking dirs v2.0.1
[INFO] [stderr]  Documenting fruitbasket v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.25s
[INFO] running `Command { std: "docker" "inspect" "d981c5b7094b88efac8640f1185136ad8109a06fb6d026157d4bde87b4467976", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d981c5b7094b88efac8640f1185136ad8109a06fb6d026157d4bde87b4467976", kill_on_drop: false }`
[INFO] [stdout] d981c5b7094b88efac8640f1185136ad8109a06fb6d026157d4bde87b4467976