[INFO] cloning repository https://github.com/sile/dg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sile/dg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsile%2Fdg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsile%2Fdg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ba3f6e789448c0c02fd7b8d4dbcdb3faf74603a
[INFO] documenting sile/dg 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%2Fsile%2Fdg" "/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/sile/dg 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/sile/dg
[INFO] finished tweaking git repo https://github.com/sile/dg
[INFO] tweaked toml for git repo https://github.com/sile/dg written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/sile/dg 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 chrono v0.4.3
[INFO] [stderr]   Downloaded nbchan v0.1.2
[INFO] [stderr]   Downloaded scalable_cuckoo_filter v0.1.2
[INFO] [stderr]   Downloaded fibers v0.1.10
[INFO] [stderr]   Downloaded sloggers v0.2.7
[INFO] [stderr]   Downloaded fibers_inotify v0.1.1
[INFO] [stderr]   Downloaded inotify-sys v0.1.2
[INFO] [stderr]   Downloaded inotify v0.5.1
[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] 3af1e698be5ed7cdbac37f657a005ad23a904b7bc5e10c9af450a47945744c5d
[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" "3af1e698be5ed7cdbac37f657a005ad23a904b7bc5e10c9af450a47945744c5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3af1e698be5ed7cdbac37f657a005ad23a904b7bc5e10c9af450a47945744c5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3af1e698be5ed7cdbac37f657a005ad23a904b7bc5e10c9af450a47945744c5d", kill_on_drop: false }`
[INFO] [stdout] 3af1e698be5ed7cdbac37f657a005ad23a904b7bc5e10c9af450a47945744c5d
[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] [stdout] 717c66ac4e9bff19761534c6b3e31f2ade86b866155f03639e1a5ec60e1f0532
[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" "717c66ac4e9bff19761534c6b3e31f2ade86b866155f03639e1a5ec60e1f0532", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]     Checking trackable v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]     Checking slog v2.2.3
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]     Checking nbchan v0.1.2
[INFO] [stderr]     Checking splay_tree v0.2.10
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking atomic_immut v0.1.4
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking inotify-sys v0.1.2
[INFO] [stderr]     Checking isatty v0.1.8
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]     Checking log v0.4.2
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]    Compiling rustc_version v0.2.2
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking inotify v0.5.1
[INFO] [stderr]     Checking rand v0.5.1
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking slog-scope v4.0.1
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]     Checking slog-stdlog v3.0.2
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]     Checking fibers v0.1.10
[INFO] [stderr]     Checking scalable_cuckoo_filter v0.1.2
[INFO] [stderr]     Checking chrono v0.4.3
[INFO] [stderr]     Checking fibers_inotify v0.1.1
[INFO] [stderr]     Checking slog-term v2.4.0
[INFO] [stderr]     Checking sloggers v0.2.7
[INFO] [stderr]     Checking prometrics v0.1.11
[INFO] [stderr]     Checking tasque v0.1.4
[INFO] [stderr]     Checking fibers_tasque v0.1.1
[INFO] [stderr]  Documenting dg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.08s
[INFO] running `Command { std: "docker" "inspect" "717c66ac4e9bff19761534c6b3e31f2ade86b866155f03639e1a5ec60e1f0532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "717c66ac4e9bff19761534c6b3e31f2ade86b866155f03639e1a5ec60e1f0532", kill_on_drop: false }`
[INFO] [stdout] 717c66ac4e9bff19761534c6b3e31f2ade86b866155f03639e1a5ec60e1f0532