[INFO] cloning repository https://github.com/moosingin3space/mutxt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/moosingin3space/mutxt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoosingin3space%2Fmutxt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoosingin3space%2Fmutxt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f1c2723216f210fe7eeea198b3c6b408848fccae
[INFO] documenting moosingin3space/mutxt 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%2Fmoosingin3space%2Fmutxt" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/moosingin3space/mutxt 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/moosingin3space/mutxt
[INFO] finished tweaking git repo https://github.com/moosingin3space/mutxt
[INFO] tweaked toml for git repo https://github.com/moosingin3space/mutxt written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/moosingin3space/mutxt 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 clipboard v0.1.2
[INFO] [stderr]   Downloaded windows-error v1.0.0
[INFO] [stderr]   Downloaded x11 v2.11.0
[INFO] [stderr]   Downloaded clipboard-win v1.8.0
[INFO] [stderr]   Downloaded termion v1.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] d1bed31faf3480cbd25b1717e6cbe2df8a0cde5268f9946b105c28c604aec074
[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" "d1bed31faf3480cbd25b1717e6cbe2df8a0cde5268f9946b105c28c604aec074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1bed31faf3480cbd25b1717e6cbe2df8a0cde5268f9946b105c28c604aec074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1bed31faf3480cbd25b1717e6cbe2df8a0cde5268f9946b105c28c604aec074", kill_on_drop: false }`
[INFO] [stdout] d1bed31faf3480cbd25b1717e6cbe2df8a0cde5268f9946b105c28c604aec074
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] e4f1b29a37f7e24e1012221d3cc63bc1387cea08e67bcdb3c1d001ec50340ce1
[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" "e4f1b29a37f7e24e1012221d3cc63bc1387cea08e67bcdb3c1d001ec50340ce1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.17
[INFO] [stderr]    Compiling x11 v2.11.0
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking termion v1.1.2
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking clipboard v0.1.2
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]  Documenting mutxt v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.41s
[INFO] running `Command { std: "docker" "inspect" "e4f1b29a37f7e24e1012221d3cc63bc1387cea08e67bcdb3c1d001ec50340ce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4f1b29a37f7e24e1012221d3cc63bc1387cea08e67bcdb3c1d001ec50340ce1", kill_on_drop: false }`
[INFO] [stdout] e4f1b29a37f7e24e1012221d3cc63bc1387cea08e67bcdb3c1d001ec50340ce1