[INFO] fetching crate mates 0.3.0...
[INFO] documenting mates-0.3.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate mates 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate mates 0.3.0 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 mates 0.3.0
[INFO] finished tweaking crates.io crate mates 0.3.0
[INFO] tweaked toml for crates.io crate mates 0.3.0 written to /workspace/builds/worker-6/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]  Downloading crates ...
[INFO] [stderr]   Downloaded rand v0.3.23
[INFO] [stderr]   Downloaded uuid v0.5.1
[INFO] [stderr]   Downloaded pkg-config v0.3.19
[INFO] [stderr]   Downloaded version_check v0.9.2
[INFO] [stderr]   Downloaded encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]   Downloaded encoding-index-japanese v1.20141219.5
[INFO] [stderr]   Downloaded encoding_index_tests v0.1.4
[INFO] [stderr]   Downloaded tempdir v0.3.7
[INFO] [stderr]   Downloaded winapi-build v0.1.1
[INFO] [stderr]   Downloaded remove_dir_all v0.5.3
[INFO] [stderr]   Downloaded cc v1.0.61
[INFO] [stderr]   Downloaded encoding-index-korean v1.20141219.5
[INFO] [stderr]   Downloaded ncurses v5.99.0
[INFO] [stderr]   Downloaded encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]   Downloaded vec_map v0.8.2
[INFO] [stderr]   Downloaded nix v0.9.0
[INFO] [stderr]   Downloaded bitflags v0.9.1
[INFO] [stderr]   Downloaded owning_ref v0.2.4
[INFO] [stderr]   Downloaded serde v0.9.15
[INFO] [stderr]   Downloaded rustc-serialize v0.3.24
[INFO] [stderr]   Downloaded unicode-segmentation v1.6.0
[INFO] [stderr]   Downloaded unicode-width v0.1.8
[INFO] [stderr]   Downloaded base64 v0.11.0
[INFO] [stderr]   Downloaded winapi v0.2.8
[INFO] [stderr]   Downloaded num-bigint v0.1.44
[INFO] [stderr]   Downloaded odds v0.2.26
[INFO] [stderr]   Downloaded num-complex v0.1.43
[INFO] [stderr]   Downloaded vobject v0.2.1
[INFO] [stderr]   Downloaded kernel32-sys v0.2.2
[INFO] [stderr]   Downloaded atomicwrites v0.1.5
[INFO] [stderr]   Downloaded email v0.0.21
[INFO] [stderr]   Downloaded cursive v0.5.1
[INFO] [stderr]   Downloaded num v0.1.42
[INFO] [stderr]   Downloaded toml v0.3.2
[INFO] [stderr]   Downloaded num-rational v0.1.42
[INFO] [stderr]   Downloaded chrono v0.4.19
[INFO] [stderr]   Downloaded time v0.1.44
[INFO] [stderr]   Downloaded wasi v0.10.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded clap v2.33.3
[INFO] [stderr]   Downloaded encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]   Downloaded void v1.0.2
[INFO] [stderr]   Downloaded rand v0.4.6
[INFO] [stderr]   Downloaded encoding v0.2.33
[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-2020-10-09" "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] 68162efa2a5616a42ea387db316931563b0317f6a3e17e5430a4d2ce5cea45d1
[INFO] running `Command { std: "docker" "start" "-a" "68162efa2a5616a42ea387db316931563b0317f6a3e17e5430a4d2ce5cea45d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68162efa2a5616a42ea387db316931563b0317f6a3e17e5430a4d2ce5cea45d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68162efa2a5616a42ea387db316931563b0317f6a3e17e5430a4d2ce5cea45d1", kill_on_drop: false }`
[INFO] [stdout] 68162efa2a5616a42ea387db316931563b0317f6a3e17e5430a4d2ce5cea45d1
[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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49b0b8b4115531166e32851f71bf86cc2ccf0f4f0803ca2f8d435fe817779491
[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" "49b0b8b4115531166e32851f71bf86cc2ccf0f4f0803ca2f8d435fe817779491", kill_on_drop: false }`
[INFO] [stderr]    Compiling cursive v0.5.1
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]     Checking owning_ref v0.2.4
[INFO] [stderr]     Checking vobject v0.2.1
[INFO] [stderr]    Compiling email v0.0.21
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling mates v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking atomicwrites v0.1.5
[INFO] [stderr]     Checking toml v0.3.2
[INFO] [stderr]  Documenting mates v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.09s
[INFO] running `Command { std: "docker" "inspect" "49b0b8b4115531166e32851f71bf86cc2ccf0f4f0803ca2f8d435fe817779491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49b0b8b4115531166e32851f71bf86cc2ccf0f4f0803ca2f8d435fe817779491", kill_on_drop: false }`
[INFO] [stdout] 49b0b8b4115531166e32851f71bf86cc2ccf0f4f0803ca2f8d435fe817779491
