[INFO] fetching crate savefile 0.7.4...
[INFO] documenting savefile-0.7.4 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate savefile 0.7.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate savefile 0.7.4 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate savefile 0.7.4
[INFO] finished tweaking crates.io crate savefile 0.7.4
[INFO] tweaked toml for crates.io crate savefile 0.7.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bit-vec v0.6.2
[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" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8deaa78018e7c3d65cc65599b84ac717dcfe9742db087fda37889dc528830b14
[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" "8deaa78018e7c3d65cc65599b84ac717dcfe9742db087fda37889dc528830b14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8deaa78018e7c3d65cc65599b84ac717dcfe9742db087fda37889dc528830b14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8deaa78018e7c3d65cc65599b84ac717dcfe9742db087fda37889dc528830b14", kill_on_drop: false }`
[INFO] [stdout] 8deaa78018e7c3d65cc65599b84ac717dcfe9742db087fda37889dc528830b14
[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" "+beta-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ec58232c8fe0d2ebfed159f2b5e84bb8440b2b282bced996d1726453b7fcc50
[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" "2ec58232c8fe0d2ebfed159f2b5e84bb8440b2b282bced996d1726453b7fcc50", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling savefile v0.7.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]  Documenting savefile v0.7.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.04s
[INFO] running `Command { std: "docker" "inspect" "2ec58232c8fe0d2ebfed159f2b5e84bb8440b2b282bced996d1726453b7fcc50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ec58232c8fe0d2ebfed159f2b5e84bb8440b2b282bced996d1726453b7fcc50", kill_on_drop: false }`
[INFO] [stdout] 2ec58232c8fe0d2ebfed159f2b5e84bb8440b2b282bced996d1726453b7fcc50
