[INFO] fetching crate cargx 0.2.2...
[INFO] documenting cargx-0.2.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate cargx 0.2.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cargx 0.2.2 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 cargx 0.2.2
[INFO] finished tweaking crates.io crate cargx 0.2.2
[INFO] tweaked toml for crates.io crate cargx 0.2.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate cargx 0.2.2 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 fraction v0.6.2
[INFO] [stderr]   Downloaded skimmer v0.0.2
[INFO] [stderr]   Downloaded base91 v0.0.1
[INFO] [stderr]   Downloaded yamlette v0.0.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] e21a9d714484ec51eb35ee006ddc05a2ac5f32b2b38e6aeccce818ec3cf4a4d1
[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" "e21a9d714484ec51eb35ee006ddc05a2ac5f32b2b38e6aeccce818ec3cf4a4d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e21a9d714484ec51eb35ee006ddc05a2ac5f32b2b38e6aeccce818ec3cf4a4d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e21a9d714484ec51eb35ee006ddc05a2ac5f32b2b38e6aeccce818ec3cf4a4d1", kill_on_drop: false }`
[INFO] [stdout] e21a9d714484ec51eb35ee006ddc05a2ac5f32b2b38e6aeccce818ec3cf4a4d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 8ce0de4fcc250a1a09e63a94efe46b05a0b7a7ec0f53728e1fb6947ad9e3d318
[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" "8ce0de4fcc250a1a09e63a94efe46b05a0b7a7ec0f53728e1fb6947ad9e3d318", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking base91 v0.0.1
[INFO] [stderr]     Checking skimmer v0.0.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking fraction v0.6.2
[INFO] [stderr]     Checking yamlette v0.0.8
[INFO] [stderr]  Documenting cargx v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.57s
[INFO] running `Command { std: "docker" "inspect" "8ce0de4fcc250a1a09e63a94efe46b05a0b7a7ec0f53728e1fb6947ad9e3d318", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ce0de4fcc250a1a09e63a94efe46b05a0b7a7ec0f53728e1fb6947ad9e3d318", kill_on_drop: false }`
[INFO] [stdout] 8ce0de4fcc250a1a09e63a94efe46b05a0b7a7ec0f53728e1fb6947ad9e3d318