[INFO] cloning repository https://github.com/ChuckDaniels87/rnr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ChuckDaniels87/rnr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChuckDaniels87%2Frnr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChuckDaniels87%2Frnr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f5fe95302f12ebbd7413a6ba5bf788d8d1b20b5
[INFO] documenting ChuckDaniels87/rnr against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChuckDaniels87%2Frnr" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ChuckDaniels87/rnr on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ChuckDaniels87/rnr
[INFO] finished tweaking git repo https://github.com/ChuckDaniels87/rnr
[INFO] tweaked toml for git repo https://github.com/ChuckDaniels87/rnr written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/ChuckDaniels87/rnr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61bd8aab996de7e552e2e1a7407f40d604adc29b72593101a7d63d7091ddf32e
[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" "61bd8aab996de7e552e2e1a7407f40d604adc29b72593101a7d63d7091ddf32e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61bd8aab996de7e552e2e1a7407f40d604adc29b72593101a7d63d7091ddf32e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61bd8aab996de7e552e2e1a7407f40d604adc29b72593101a7d63d7091ddf32e", kill_on_drop: false }`
[INFO] [stdout] 61bd8aab996de7e552e2e1a7407f40d604adc29b72593101a7d63d7091ddf32e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "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] 5170b2326e688e11688081ed3e2d1b4c1b621caea17e52a05edbdd67303e7028
[INFO] running `Command { std: "docker" "start" "-a" "5170b2326e688e11688081ed3e2d1b4c1b621caea17e52a05edbdd67303e7028", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling getrandom v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling syn v1.0.4
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]     Checking regex-syntax v0.6.11
[INFO] [stderr]     Checking std_prelude v0.2.12
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking regex v1.2.1
[INFO] [stderr]     Checking stfu8 v0.2.4
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling rnr v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking path_abs v0.4.1
[INFO] [stderr]  Documenting rnr v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.90s
[INFO] running `Command { std: "docker" "inspect" "5170b2326e688e11688081ed3e2d1b4c1b621caea17e52a05edbdd67303e7028", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5170b2326e688e11688081ed3e2d1b4c1b621caea17e52a05edbdd67303e7028", kill_on_drop: false }`
[INFO] [stdout] 5170b2326e688e11688081ed3e2d1b4c1b621caea17e52a05edbdd67303e7028