[INFO] cloning 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" "clone" "--bare" "https://github.com/unixpickle/locky-puzzle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funixpickle%2Flocky-puzzle", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funixpickle%2Flocky-puzzle'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5d32998ca9bb9c21cd261a4fa8e579f5593f3fef [INFO] documenting unixpickle/locky-puzzle against beta-2022-05-20 for beta-1.62-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funixpickle%2Flocky-puzzle" "/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/unixpickle/locky-puzzle on toolchain beta-2022-05-20 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2/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" "+beta-2022-05-20" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] ef473ee17c126a26830ba117044f688b31669b139f7cc58014f500da2657123e [INFO] running `Command { std: "docker" "start" "-a" "ef473ee17c126a26830ba117044f688b31669b139f7cc58014f500da2657123e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ef473ee17c126a26830ba117044f688b31669b139f7cc58014f500da2657123e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef473ee17c126a26830ba117044f688b31669b139f7cc58014f500da2657123e", kill_on_drop: false }` [INFO] [stdout] ef473ee17c126a26830ba117044f688b31669b139f7cc58014f500da2657123e [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] e3d38b21894a7e2d0c0100f37b4bf8738de7d172dfa0627880ebae8a6bc04e1d [INFO] running `Command { std: "docker" "start" "-a" "e3d38b21894a7e2d0c0100f37b4bf8738de7d172dfa0627880ebae8a6bc04e1d", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.40 [INFO] [stderr] Checking bitflags v1.0.2 [INFO] [stderr] Checking atty v0.2.9 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking clap v2.31.2 [INFO] [stderr] Documenting locky-puzzle v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking 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] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 15 - impl Heuristic for Box { [INFO] [stdout] 15 + impl Heuristic for Box { [INFO] [stdout] | [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] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 21 - impl<'a> Heuristic for &'a Heuristic { [INFO] [stdout] 21 + impl<'a> Heuristic for &'a dyn Heuristic { [INFO] [stdout] | [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] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 102 - h: &Heuristic, [INFO] [stdout] 102 + h: &dyn Heuristic, [INFO] [stdout] | [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] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 31 - fn spawn_static(mut f: Box) -> ThreadScope<'a> { [INFO] [stdout] 31 + fn spawn_static(mut f: Box) -> ThreadScope<'a> { [INFO] [stdout] | [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] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 77 - let combo1 = MaxHeuristic::<&Heuristic>(vec![&self.arrow, &self.co_fb, &self.co_rl, [INFO] [stdout] 77 + let combo1 = MaxHeuristic::<&dyn Heuristic>(vec![&self.arrow, &self.co_fb, &self.co_rl, [INFO] [stdout] | [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] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 84 - let combo2 = MaxHeuristic::<&Heuristic>(vec![&self.arrow, &self.corner]); [INFO] [stdout] 84 + let combo2 = MaxHeuristic::<&dyn Heuristic>(vec![&self.arrow, &self.corner]); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `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: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/thread.rs:26:29 [INFO] [stdout] | [INFO] [stdout] 26 | transmute::, _>(boxed) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 26 - transmute::, _>(boxed) [INFO] [stdout] 26 + transmute::, _>(boxed) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.45s [INFO] running `Command { std: "docker" "inspect" "e3d38b21894a7e2d0c0100f37b4bf8738de7d172dfa0627880ebae8a6bc04e1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3d38b21894a7e2d0c0100f37b4bf8738de7d172dfa0627880ebae8a6bc04e1d", kill_on_drop: false }` [INFO] [stdout] e3d38b21894a7e2d0c0100f37b4bf8738de7d172dfa0627880ebae8a6bc04e1d [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" "RUSTFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }` [INFO] [stdout] 656a3fc8d850916bf5c780382fe82235b1dcebb115ce858713fbf81d1ecaada8 [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" "656a3fc8d850916bf5c780382fe82235b1dcebb115ce858713fbf81d1ecaada8", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.40 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking vec_map v0.8.0 [INFO] [stderr] Checking bitflags v1.0.2 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.7.0 [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] Documenting locky-puzzle v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.93s [INFO] running `Command { std: "docker" "inspect" "656a3fc8d850916bf5c780382fe82235b1dcebb115ce858713fbf81d1ecaada8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "656a3fc8d850916bf5c780382fe82235b1dcebb115ce858713fbf81d1ecaada8", kill_on_drop: false }` [INFO] [stdout] 656a3fc8d850916bf5c780382fe82235b1dcebb115ce858713fbf81d1ecaada8