[INFO] updating cached repository https://github.com/robert-at-pretension-io/Rusty_ML
[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] 3b8b1af60d71e9edce0c0ce4aa757f24bf5e6ca7
[INFO] documenting robert-at-pretension-io/Rusty_ML against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobert-at-pretension-io%2FRusty_ML" "/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/robert-at-pretension-io/Rusty_ML 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/robert-at-pretension-io/Rusty_ML
[INFO] finished tweaking git repo https://github.com/robert-at-pretension-io/Rusty_ML
[INFO] tweaked toml for git repo https://github.com/robert-at-pretension-io/Rusty_ML written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/robert-at-pretension-io/Rusty_ML 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] error: the lock file /workspace/builds/worker-3/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1e88be2b9362aee7051d4a46005abe0f38c344d8d9396e903eb1f3372ccf757c
[INFO] running `Command { std: "docker" "start" "-a" "1e88be2b9362aee7051d4a46005abe0f38c344d8d9396e903eb1f3372ccf757c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e88be2b9362aee7051d4a46005abe0f38c344d8d9396e903eb1f3372ccf757c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e88be2b9362aee7051d4a46005abe0f38c344d8d9396e903eb1f3372ccf757c", kill_on_drop: false }`
[INFO] [stdout] 1e88be2b9362aee7051d4a46005abe0f38c344d8d9396e903eb1f3372ccf757c
[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" "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] ed606e078980b4e619fac3cd7c9a2d7f6d29f80f3024e71ed2c9796e71087506
[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" "ed606e078980b4e619fac3cd7c9a2d7f6d29f80f3024e71ed2c9796e71087506", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking serde v0.7.15
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking ansi_term v0.7.5
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking bincode v0.5.9
[INFO] [stderr]  Documenting load_data v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:230:20
[INFO] [stdout]     |
[INFO] [stdout] 230 |     let mut v: Vec<(String)> = Vec::new();
[INFO] [stdout]     |                    ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.24s
[INFO] running `Command { std: "docker" "inspect" "ed606e078980b4e619fac3cd7c9a2d7f6d29f80f3024e71ed2c9796e71087506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed606e078980b4e619fac3cd7c9a2d7f6d29f80f3024e71ed2c9796e71087506", kill_on_drop: false }`
[INFO] [stdout] ed606e078980b4e619fac3cd7c9a2d7f6d29f80f3024e71ed2c9796e71087506