[INFO] updating cached repository https://github.com/unixpickle/locky-puzzle [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] 5d32998ca9bb9c21cd261a4fa8e579f5593f3fef [INFO] documenting unixpickle/locky-puzzle against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funixpickle%2Flocky-puzzle" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/unixpickle/locky-puzzle on toolchain 394e1b40d264aa6928811919c1124fa248e7d802 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/unixpickle/locky-puzzle [INFO] finished tweaking git repo https://github.com/unixpickle/locky-puzzle [INFO] tweaked toml for git repo https://github.com/unixpickle/locky-puzzle written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/unixpickle/locky-puzzle already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+394e1b40d264aa6928811919c1124fa248e7d802" "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] 1941aac31b827e47aa81b2f43214748b4814d873e1c58144f6e576221b6aed4a [INFO] running `Command { std: "docker" "start" "-a" "1941aac31b827e47aa81b2f43214748b4814d873e1c58144f6e576221b6aed4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1941aac31b827e47aa81b2f43214748b4814d873e1c58144f6e576221b6aed4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1941aac31b827e47aa81b2f43214748b4814d873e1c58144f6e576221b6aed4a", kill_on_drop: false }` [INFO] [stdout] 1941aac31b827e47aa81b2f43214748b4814d873e1c58144f6e576221b6aed4a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] d606e8a950eeb7a20e3b550817296c4797670b501eb1ad204fe86de37c517868 [INFO] running `Command { std: "docker" "start" "-a" "d606e8a950eeb7a20e3b550817296c4797670b501eb1ad204fe86de37c517868", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking libc v0.2.40 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking bitflags v1.0.2 [INFO] [stderr] Checking vec_map v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking atty v0.2.9 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking clap v2.31.2 [INFO] [stderr] Checking locky-puzzle v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Documenting locky-puzzle v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/heuristic.rs:15:24 [INFO] [stdout] | [INFO] [stdout] 15 | impl Heuristic for Box { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Heuristic` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/heuristic.rs:21:28 [INFO] [stdout] | [INFO] [stdout] 21 | impl<'a> Heuristic for &'a Heuristic { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Heuristic` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/multi_step.rs:77:38 [INFO] [stdout] | [INFO] [stdout] 77 | let combo1 = MaxHeuristic::<&Heuristic>(vec![&self.arrow, &self.co_fb, &self.co_rl, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Heuristic` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/multi_step.rs:84:38 [INFO] [stdout] | [INFO] [stdout] 84 | let combo2 = MaxHeuristic::<&Heuristic>(vec![&self.arrow, &self.corner]); [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Heuristic` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/multi_step.rs:102:13 [INFO] [stdout] | [INFO] [stdout] 102 | h: &Heuristic, [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Heuristic` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/thread.rs:26:29 [INFO] [stdout] | [INFO] [stdout] 26 | transmute::, _>(boxed) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() + Send + 'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/thread.rs:31:32 [INFO] [stdout] | [INFO] [stdout] 31 | fn spawn_static(mut f: Box) -> ThreadScope<'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() + Send + 'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stdout] --> src/multi_step.rs:126:30 [INFO] [stdout] | [INFO] [stdout] 126 | write!(f, "{}", self.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.01s [INFO] running `Command { std: "docker" "inspect" "d606e8a950eeb7a20e3b550817296c4797670b501eb1ad204fe86de37c517868", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d606e8a950eeb7a20e3b550817296c4797670b501eb1ad204fe86de37c517868", kill_on_drop: false }` [INFO] [stdout] d606e8a950eeb7a20e3b550817296c4797670b501eb1ad204fe86de37c517868