[INFO] cloning repository https://github.com/xumarcus/minesweeper [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xumarcus/minesweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxumarcus%2Fminesweeper", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxumarcus%2Fminesweeper'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e0a6e215d07071c5702b8888c8d25f13c095b197 [INFO] building xumarcus/minesweeper against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxumarcus%2Fminesweeper" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/xumarcus/minesweeper on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/xumarcus/minesweeper [INFO] finished tweaking git repo https://github.com/xumarcus/minesweeper [INFO] tweaked toml for git repo https://github.com/xumarcus/minesweeper written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/xumarcus/minesweeper already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c1c39aec18a822f2ab137076801a490702a3a53894cbaf1569713ebd153fd5b5 [INFO] running `Command { std: "docker" "start" "-a" "c1c39aec18a822f2ab137076801a490702a3a53894cbaf1569713ebd153fd5b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c1c39aec18a822f2ab137076801a490702a3a53894cbaf1569713ebd153fd5b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1c39aec18a822f2ab137076801a490702a3a53894cbaf1569713ebd153fd5b5", kill_on_drop: false }` [INFO] [stdout] c1c39aec18a822f2ab137076801a490702a3a53894cbaf1569713ebd153fd5b5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1f00a3c22c2d1f4b5fa900aeb2ff26af18c4b70a27e7a1293b672bce2aee417f [INFO] running `Command { std: "docker" "start" "-a" "1f00a3c22c2d1f4b5fa900aeb2ff26af18c4b70a27e7a1293b672bce2aee417f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.97 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling radium v0.6.2 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling tap v1.0.1 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling funty v1.2.0 [INFO] [stderr] Compiling strum v0.21.0 [INFO] [stderr] Compiling arrayvec v0.7.1 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling wyz v0.4.0 [INFO] [stderr] Compiling itertools v0.10.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling bitvec v0.22.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling colored v1.9.3 [INFO] [stderr] Compiling noisy_float v0.2.0 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling simple_logger v1.11.0 [INFO] [stderr] Compiling thiserror-impl v1.0.25 [INFO] [stderr] Compiling strum_macros v0.21.1 [INFO] [stderr] Compiling thiserror v1.0.25 [INFO] [stderr] Compiling minesweeper v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `config` is never read [INFO] [stdout] --> src/solve.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct Solver { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 22 | config: Config, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Solver` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/solve.rs:204:13 [INFO] [stdout] | [INFO] [stdout] 204 | drop(x); [INFO] [stdout] | ^^^^^-^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(NoisyFloat, usize)` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 204 - drop(x); [INFO] [stdout] 204 + let _ = x; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.86s [INFO] running `Command { std: "docker" "inspect" "1f00a3c22c2d1f4b5fa900aeb2ff26af18c4b70a27e7a1293b672bce2aee417f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f00a3c22c2d1f4b5fa900aeb2ff26af18c4b70a27e7a1293b672bce2aee417f", kill_on_drop: false }` [INFO] [stdout] 1f00a3c22c2d1f4b5fa900aeb2ff26af18c4b70a27e7a1293b672bce2aee417f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f4735a2059dd1b30a4775a5466a5fc3e1b03c064ec12d35362e7dd8726124789 [INFO] running `Command { std: "docker" "start" "-a" "f4735a2059dd1b30a4775a5466a5fc3e1b03c064ec12d35362e7dd8726124789", kill_on_drop: false }` [INFO] [stderr] Compiling minesweeper v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `config` is never read [INFO] [stdout] --> src/solve.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct Solver { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 22 | config: Config, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Solver` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/solve.rs:204:13 [INFO] [stdout] | [INFO] [stdout] 204 | drop(x); [INFO] [stdout] | ^^^^^-^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(NoisyFloat, usize)` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 204 - drop(x); [INFO] [stdout] 204 + let _ = x; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `config` is never read [INFO] [stdout] --> src/solve.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct Solver { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 22 | config: Config, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Solver` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/solve.rs:204:13 [INFO] [stdout] | [INFO] [stdout] 204 | drop(x); [INFO] [stdout] | ^^^^^-^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `(NoisyFloat, usize)` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 204 - drop(x); [INFO] [stdout] 204 + let _ = x; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.77s [INFO] running `Command { std: "docker" "inspect" "f4735a2059dd1b30a4775a5466a5fc3e1b03c064ec12d35362e7dd8726124789", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4735a2059dd1b30a4775a5466a5fc3e1b03c064ec12d35362e7dd8726124789", kill_on_drop: false }` [INFO] [stdout] f4735a2059dd1b30a4775a5466a5fc3e1b03c064ec12d35362e7dd8726124789