[INFO] cloning repository https://github.com/jimblandy/compiletest-issue-219
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jimblandy/compiletest-issue-219" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimblandy%2Fcompiletest-issue-219", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimblandy%2Fcompiletest-issue-219'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d4b7e1ffb9a8757ab0a1733173693ab52423c27
[INFO] documenting jimblandy/compiletest-issue-219 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%2Fjimblandy%2Fcompiletest-issue-219" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jimblandy/compiletest-issue-219 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/jimblandy/compiletest-issue-219
[INFO] finished tweaking git repo https://github.com/jimblandy/compiletest-issue-219
[INFO] tweaked toml for git repo https://github.com/jimblandy/compiletest-issue-219 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/jimblandy/compiletest-issue-219 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 syn v1.0.22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 29d7b60e18cf849e4b2a5922c51f79165e338f6c2d8b16288405590bf4bc2445
[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" "29d7b60e18cf849e4b2a5922c51f79165e338f6c2d8b16288405590bf4bc2445", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29d7b60e18cf849e4b2a5922c51f79165e338f6c2d8b16288405590bf4bc2445", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29d7b60e18cf849e4b2a5922c51f79165e338f6c2d8b16288405590bf4bc2445", kill_on_drop: false }`
[INFO] [stdout] 29d7b60e18cf849e4b2a5922c51f79165e338f6c2d8b16288405590bf4bc2445
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 6adbdf570ad7379e267a3399f4fdd26c303e48b84fb58a1f9101e3ac841c307f
[INFO] running `Command { std: "docker" "start" "-a" "6adbdf570ad7379e267a3399f4fdd26c303e48b84fb58a1f9101e3ac841c307f", kill_on_drop: false }`
[INFO] [stderr]  Documenting testcase v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "6adbdf570ad7379e267a3399f4fdd26c303e48b84fb58a1f9101e3ac841c307f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6adbdf570ad7379e267a3399f4fdd26c303e48b84fb58a1f9101e3ac841c307f", kill_on_drop: false }`
[INFO] [stdout] 6adbdf570ad7379e267a3399f4fdd26c303e48b84fb58a1f9101e3ac841c307f