[INFO] fetching crate build-info-build 0.0.19...
[INFO] documenting build-info-build-0.0.19 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate build-info-build 0.0.19 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate build-info-build 0.0.19 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 build-info-build 0.0.19
[INFO] finished tweaking crates.io crate build-info-build 0.0.19
[INFO] tweaked toml for crates.io crate build-info-build 0.0.19 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b51369521107becce6b60f04de18ea8e23990735881a973ec2d49d4f44fed2f1
[INFO] running `Command { std: "docker" "start" "-a" "b51369521107becce6b60f04de18ea8e23990735881a973ec2d49d4f44fed2f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b51369521107becce6b60f04de18ea8e23990735881a973ec2d49d4f44fed2f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b51369521107becce6b60f04de18ea8e23990735881a973ec2d49d4f44fed2f1", kill_on_drop: false }`
[INFO] [stdout] b51369521107becce6b60f04de18ea8e23990735881a973ec2d49d4f44fed2f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] eb8f6160bb3c99aabd0079bcee5ff5a858230e90c092fe630aef3134a0e9942c
[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" "eb8f6160bb3c99aabd0079bcee5ff5a858230e90c092fe630aef3134a0e9942c", kill_on_drop: false }`
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking semver v0.10.0
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking cargo_metadata v0.10.0
[INFO] [stderr]     Checking rustc_version v0.2.3
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]     Checking build-info-common v0.0.19
[INFO] [stderr]    Compiling libz-sys v1.1.1
[INFO] [stderr]    Compiling lzma-sys v0.1.16
[INFO] [stderr]    Compiling libgit2-sys v0.12.12+1.0.1
[INFO] [stderr]     Checking xz2 v0.1.6
[INFO] [stderr]     Checking git2 v0.13.10
[INFO] [stderr]  Documenting build-info-build v0.0.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.97s
[INFO] running `Command { std: "docker" "inspect" "eb8f6160bb3c99aabd0079bcee5ff5a858230e90c092fe630aef3134a0e9942c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb8f6160bb3c99aabd0079bcee5ff5a858230e90c092fe630aef3134a0e9942c", kill_on_drop: false }`
[INFO] [stdout] eb8f6160bb3c99aabd0079bcee5ff5a858230e90c092fe630aef3134a0e9942c