[INFO] updating cached repository https://github.com/ubnt-intrepid/rusty-machine-toy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 406ff3a6d92c1d8686ac689d2724ebaf1c359d4f
[INFO] documenting ubnt-intrepid/rusty-machine-toy against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fubnt-intrepid%2Frusty-machine-toy" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ubnt-intrepid/rusty-machine-toy 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/ubnt-intrepid/rusty-machine-toy
[INFO] finished tweaking git repo https://github.com/ubnt-intrepid/rusty-machine-toy
[INFO] tweaked toml for git repo https://github.com/ubnt-intrepid/rusty-machine-toy written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ubnt-intrepid/rusty-machine-toy 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 19b80e8de92e9d43f78db439044842a723888a24455d74385f5cc7b7cbdbb4ed
[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" "19b80e8de92e9d43f78db439044842a723888a24455d74385f5cc7b7cbdbb4ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19b80e8de92e9d43f78db439044842a723888a24455d74385f5cc7b7cbdbb4ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19b80e8de92e9d43f78db439044842a723888a24455d74385f5cc7b7cbdbb4ed", kill_on_drop: false }`
[INFO] [stdout] 19b80e8de92e9d43f78db439044842a723888a24455d74385f5cc7b7cbdbb4ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 53a5b9006a17be1e00320018c8786aebf4e5d447c3dd0dc046084a1daf8455c7
[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" "53a5b9006a17be1e00320018c8786aebf4e5d447c3dd0dc046084a1daf8455c7", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.36
[INFO] [stderr]    Compiling matrixmultiply v0.1.13
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking libc v0.2.18
[INFO] [stderr]     Checking rustc-serialize v0.3.22
[INFO] [stderr]     Checking either v1.0.2
[INFO] [stderr]     Checking rustplotlib v0.0.4 (https://github.com/ubnt-intrepid/rustplotlib.git#273305c3)
[INFO] [stderr]     Checking itertools v0.5.8
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]     Checking num-iter v0.1.32
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]     Checking rulinalg v0.3.7
[INFO] [stderr]     Checking csv v0.14.7
[INFO] [stderr]     Checking rusty-machine v0.5.3
[INFO] [stderr]  Documenting rusty-machine-toy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.33s
[INFO] running `Command { std: "docker" "inspect" "53a5b9006a17be1e00320018c8786aebf4e5d447c3dd0dc046084a1daf8455c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53a5b9006a17be1e00320018c8786aebf4e5d447c3dd0dc046084a1daf8455c7", kill_on_drop: false }`
[INFO] [stdout] 53a5b9006a17be1e00320018c8786aebf4e5d447c3dd0dc046084a1daf8455c7