[INFO] cloning repository https://github.com/ILoveEggs3/rust_machine_learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ILoveEggs3/rust_machine_learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FILoveEggs3%2Frust_machine_learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FILoveEggs3%2Frust_machine_learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7731ccfe5c227303c2aeb65c7f7ed822e8e2eef3
[INFO] documenting ILoveEggs3/rust_machine_learning against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FILoveEggs3%2Frust_machine_learning" "/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/ILoveEggs3/rust_machine_learning 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/ILoveEggs3/rust_machine_learning
[INFO] finished tweaking git repo https://github.com/ILoveEggs3/rust_machine_learning
[INFO] tweaked toml for git repo https://github.com/ILoveEggs3/rust_machine_learning written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ILoveEggs3/rust_machine_learning 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] [stderr]     Blocking waiting for file lock on package cache
[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" "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] 7ec55d0457c9e295a52f86351c25a9687f8d9f3200fbf327f5847f2d4e7df358
[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" "7ec55d0457c9e295a52f86351c25a9687f8d9f3200fbf327f5847f2d4e7df358", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ec55d0457c9e295a52f86351c25a9687f8d9f3200fbf327f5847f2d4e7df358", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ec55d0457c9e295a52f86351c25a9687f8d9f3200fbf327f5847f2d4e7df358", kill_on_drop: false }`
[INFO] [stdout] 7ec55d0457c9e295a52f86351c25a9687f8d9f3200fbf327f5847f2d4e7df358
[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" "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] [stdout] 69389bd8b148a44d8a94fe1eb7cc15265cf58162f72c46ebdb995d95b2c8146a
[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" "69389bd8b148a44d8a94fe1eb7cc15265cf58162f72c46ebdb995d95b2c8146a", kill_on_drop: false }`
[INFO] [stderr]  Documenting machine_learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "69389bd8b148a44d8a94fe1eb7cc15265cf58162f72c46ebdb995d95b2c8146a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69389bd8b148a44d8a94fe1eb7cc15265cf58162f72c46ebdb995d95b2c8146a", kill_on_drop: false }`
[INFO] [stdout] 69389bd8b148a44d8a94fe1eb7cc15265cf58162f72c46ebdb995d95b2c8146a