[INFO] cloning repository https://github.com/njskalski/bug-report-1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/njskalski/bug-report-1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjskalski%2Fbug-report-1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjskalski%2Fbug-report-1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ffdf621b27c1efc3b45dce072641f8686ccdc65f
[INFO] documenting njskalski/bug-report-1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjskalski%2Fbug-report-1" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/njskalski/bug-report-1 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 git repo https://github.com/njskalski/bug-report-1
[INFO] finished tweaking git repo https://github.com/njskalski/bug-report-1
[INFO] tweaked toml for git repo https://github.com/njskalski/bug-report-1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/njskalski/bug-report-1 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 maplit v1.0.1
[INFO] [stderr]   Downloaded enumset v0.3.3
[INFO] [stderr]   Downloaded wincolor v0.1.6
[INFO] [stderr]   Downloaded unicode-segmentation v1.2.1
[INFO] [stderr]   Downloaded ncurses v5.91.0
[INFO] [stderr]   Downloaded num-traits v0.2.4
[INFO] [stderr]   Downloaded termcolor v0.3.6
[INFO] [stderr]   Downloaded num-bigint v0.1.43
[INFO] [stderr]   Downloaded enum-map v0.2.29
[INFO] [stderr]   Downloaded array-macro v1.0.2
[INFO] [stderr]   Downloaded num-integer v0.1.38
[INFO] [stderr]   Downloaded serde v1.0.54
[INFO] [stderr]   Downloaded reexport-proc-macro v1.0.2
[INFO] [stderr]   Downloaded cursive v0.8.1
[INFO] [stderr]   Downloaded stderrlog v0.4.0
[INFO] [stderr]   Downloaded enum-map-derive v0.2.5
[INFO] [stderr]   Downloaded xi-unicode v0.1.0
[INFO] [stderr]   Downloaded syn v0.13.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 48b45d403415b70307e9477a64b3b18a6d3b0e8176a9af713c68ab1d2ca10263
[INFO] running `Command { std: "docker" "start" "-a" "48b45d403415b70307e9477a64b3b18a6d3b0e8176a9af713c68ab1d2ca10263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48b45d403415b70307e9477a64b3b18a6d3b0e8176a9af713c68ab1d2ca10263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48b45d403415b70307e9477a64b3b18a6d3b0e8176a9af713c68ab1d2ca10263", kill_on_drop: false }`
[INFO] [stdout] 48b45d403415b70307e9477a64b3b18a6d3b0e8176a9af713c68ab1d2ca10263
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 691e545048314b5cc3df75cb3e3989f74a22d96a35d062b5c7978d5f710eaa6c
[INFO] running `Command { std: "docker" "start" "-a" "691e545048314b5cc3df75cb3e3989f74a22d96a35d062b5c7978d5f710eaa6c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]     Checking array-macro v1.0.2
[INFO] [stderr]     Checking reexport-proc-macro v1.0.2
[INFO] [stderr]     Checking serde v1.0.54
[INFO] [stderr]     Checking unicode-segmentation v1.2.1
[INFO] [stderr]     Checking enumset v0.3.3
[INFO] [stderr]    Compiling ncurses v5.91.0
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]    Compiling syn v0.13.9
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.43
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking chrono v0.4.2
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking stderrlog v0.4.0
[INFO] [stderr]    Compiling enum-map-derive v0.2.5
[INFO] [stderr]     Checking enum-map v0.2.29
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking cursive v0.8.1
[INFO] [stderr]  Documenting bug1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.88s
[INFO] running `Command { std: "docker" "inspect" "691e545048314b5cc3df75cb3e3989f74a22d96a35d062b5c7978d5f710eaa6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "691e545048314b5cc3df75cb3e3989f74a22d96a35d062b5c7978d5f710eaa6c", kill_on_drop: false }`
[INFO] [stdout] 691e545048314b5cc3df75cb3e3989f74a22d96a35d062b5c7978d5f710eaa6c