[INFO] cloning repository https://github.com/majorz/travis-docker-rust-cross
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/majorz/travis-docker-rust-cross" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmajorz%2Ftravis-docker-rust-cross", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmajorz%2Ftravis-docker-rust-cross'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 320095579537f0aa3b2ec9fa47ac7429f92e1e51
[INFO] documenting majorz/travis-docker-rust-cross against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmajorz%2Ftravis-docker-rust-cross" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/majorz/travis-docker-rust-cross on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/majorz/travis-docker-rust-cross
[INFO] finished tweaking git repo https://github.com/majorz/travis-docker-rust-cross
[INFO] tweaked toml for git repo https://github.com/majorz/travis-docker-rust-cross written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/majorz/travis-docker-rust-cross already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6b757ff8538dde09e0813d4b4da8632da2b3a9c392ae389834d1fc45899351a
[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" "a6b757ff8538dde09e0813d4b4da8632da2b3a9c392ae389834d1fc45899351a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6b757ff8538dde09e0813d4b4da8632da2b3a9c392ae389834d1fc45899351a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6b757ff8538dde09e0813d4b4da8632da2b3a9c392ae389834d1fc45899351a", kill_on_drop: false }`
[INFO] [stdout] a6b757ff8538dde09e0813d4b4da8632da2b3a9c392ae389834d1fc45899351a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ea5e071fcdb126fefa84c1dbe45bed40637de26988b308d110a0ac0e32f7b49
[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" "7ea5e071fcdb126fefa84c1dbe45bed40637de26988b308d110a0ac0e32f7b49", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.28
[INFO] [stderr]     Checking futures v0.1.14
[INFO] [stderr]     Checking ascii v0.8.6
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling dbus v0.5.3
[INFO] [stderr]     Checking num_cpus v1.6.2
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]     Checking futures-cpupool v0.1.5
[INFO] [stderr]     Checking network_manager v0.6.2 (https://github.com/resin-io-modules/network_manager#2c58dfca)
[INFO] [stderr]  Documenting travis-docker-rust-cross v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.71s
[INFO] running `Command { std: "docker" "inspect" "7ea5e071fcdb126fefa84c1dbe45bed40637de26988b308d110a0ac0e32f7b49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ea5e071fcdb126fefa84c1dbe45bed40637de26988b308d110a0ac0e32f7b49", kill_on_drop: false }`
[INFO] [stdout] 7ea5e071fcdb126fefa84c1dbe45bed40637de26988b308d110a0ac0e32f7b49