[INFO] fetching crate cargo-junit 0.8.0...
[INFO] documenting cargo-junit-0.8.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate cargo-junit 0.8.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cargo-junit 0.8.0 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 cargo-junit 0.8.0
[INFO] finished tweaking crates.io crate cargo-junit 0.8.0
[INFO] tweaked toml for crates.io crate cargo-junit 0.8.0 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cargo-results v0.6.2
[INFO] [stderr]   Downloaded duct v0.11.1
[INFO] [stderr]   Downloaded sxd-document v0.2.6
[INFO] [stderr]   Downloaded os_pipe v0.7.0
[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] [stdout] 7d54154924ef650d088427e68b185b806e473f67e2f2ac22704f53200c34bf16
[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" "7d54154924ef650d088427e68b185b806e473f67e2f2ac22704f53200c34bf16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d54154924ef650d088427e68b185b806e473f67e2f2ac22704f53200c34bf16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d54154924ef650d088427e68b185b806e473f67e2f2ac22704f53200c34bf16", kill_on_drop: false }`
[INFO] [stdout] 7d54154924ef650d088427e68b185b806e473f67e2f2ac22704f53200c34bf16
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b07b3d56029299107d74a7cfd42906e9988cfb032eb9336acd9fd51633278d8c
[INFO] running `Command { std: "docker" "start" "-a" "b07b3d56029299107d74a7cfd42906e9988cfb032eb9336acd9fd51633278d8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking peresil v0.3.0
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]     Checking sxd-document v0.2.6
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking shared_child v0.3.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking cargo-results v0.6.2
[INFO] [stderr]     Checking os_pipe v0.7.0
[INFO] [stderr]     Checking duct v0.11.1
[INFO] [stderr]  Documenting cargo-junit v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.94s
[INFO] running `Command { std: "docker" "inspect" "b07b3d56029299107d74a7cfd42906e9988cfb032eb9336acd9fd51633278d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b07b3d56029299107d74a7cfd42906e9988cfb032eb9336acd9fd51633278d8c", kill_on_drop: false }`
[INFO] [stdout] b07b3d56029299107d74a7cfd42906e9988cfb032eb9336acd9fd51633278d8c