[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] checking unixpickle/locky-puzzle against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funixpickle%2Flocky-puzzle" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/unixpickle/locky-puzzle on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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-4/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0d6893d81a7b30977dba2b447133f5635aa1af30ecd45f02b27270f3ff37016d [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" "0d6893d81a7b30977dba2b447133f5635aa1af30ecd45f02b27270f3ff37016d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0d6893d81a7b30977dba2b447133f5635aa1af30ecd45f02b27270f3ff37016d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d6893d81a7b30977dba2b447133f5635aa1af30ecd45f02b27270f3ff37016d", kill_on_drop: false }` [INFO] [stdout] 0d6893d81a7b30977dba2b447133f5635aa1af30ecd45f02b27270f3ff37016d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--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] 493e05b82f5c795919f7dc0f498bb1432cd06cf6b0aabc15f8ea2c77ce6ce01a [INFO] running `Command { std: "docker" "start" "-a" "493e05b82f5c795919f7dc0f498bb1432cd06cf6b0aabc15f8ea2c77ce6ce01a", 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 bitflags v1.0.2 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking vec_map v0.8.0 [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] [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] = 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 issue #80165 [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] = 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 issue #80165 [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] = 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 issue #80165 [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] = 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 issue #80165 [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] = 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 issue #80165 [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] = 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 issue #80165 [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] = 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 issue #80165 [INFO] [stdout] [INFO] [stdout] [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] = 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 issue #80165 [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] = 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 issue #80165 [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] = 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 issue #80165 [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] = 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 issue #80165 [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] = 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 issue #80165 [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] = 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 issue #80165 [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] = 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 issue #80165 [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: 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: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/tools/solve/heuristic.rs:14:74 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn make_heuristic(args: &HeuristicArgs) -> Receiver>> { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Heuristic` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/tools/solve/heuristic.rs:37:59 [INFO] [stdout] | [INFO] [stdout] 37 | let (send_agg, recv_agg) = channel::>>(); [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Heuristic` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/tools/solve/heuristic.rs:39:33 [INFO] [stdout] | [INFO] [stdout] 39 | let heuristics: Vec> = recv_individual.into_iter().collect(); [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Heuristic` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/tools/solve/heuristic.rs:45:73 [INFO] [stdout] | [INFO] [stdout] 45 | fn make_proj_heuristic(depth: u8, sender: Sender>) { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Heuristic` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/tools/solve/heuristic.rs:14:74 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn make_heuristic(args: &HeuristicArgs) -> Receiver>> { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Heuristic` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/tools/solve/heuristic.rs:37:59 [INFO] [stdout] | [INFO] [stdout] 37 | let (send_agg, recv_agg) = channel::>>(); [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Heuristic` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/tools/solve/heuristic.rs:39:33 [INFO] [stdout] | [INFO] [stdout] 39 | let heuristics: Vec> = recv_individual.into_iter().collect(); [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Heuristic` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/tools/solve/heuristic.rs:45:73 [INFO] [stdout] | [INFO] [stdout] 45 | fn make_proj_heuristic(depth: u8, sender: Sender>) { [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Heuristic` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.34s [INFO] running `Command { std: "docker" "inspect" "493e05b82f5c795919f7dc0f498bb1432cd06cf6b0aabc15f8ea2c77ce6ce01a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "493e05b82f5c795919f7dc0f498bb1432cd06cf6b0aabc15f8ea2c77ce6ce01a", kill_on_drop: false }` [INFO] [stdout] 493e05b82f5c795919f7dc0f498bb1432cd06cf6b0aabc15f8ea2c77ce6ce01a