[INFO] cloning repository https://github.com/BinaryMuse/advent-of-code-2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BinaryMuse/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBinaryMuse%2Fadvent-of-code-2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBinaryMuse%2Fadvent-of-code-2020'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e1503ca77eeba2da115dba3bb9bd3f516d329b7d [INFO] checking BinaryMuse/advent-of-code-2020/e1503ca77eeba2da115dba3bb9bd3f516d329b7d against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBinaryMuse%2Fadvent-of-code-2020" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/BinaryMuse/advent-of-code-2020 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/BinaryMuse/advent-of-code-2020 [INFO] finished tweaking git repo https://github.com/BinaryMuse/advent-of-code-2020 [INFO] tweaked toml for git repo https://github.com/BinaryMuse/advent-of-code-2020 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/BinaryMuse/advent-of-code-2020 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6868d59f9464b1fd4925b145b039b0bc7b32c4de3899e1f0299a3a71ae4bd9cd [INFO] running `Command { std: "docker" "start" "-a" "6868d59f9464b1fd4925b145b039b0bc7b32c4de3899e1f0299a3a71ae4bd9cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6868d59f9464b1fd4925b145b039b0bc7b32c4de3899e1f0299a3a71ae4bd9cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6868d59f9464b1fd4925b145b039b0bc7b32c4de3899e1f0299a3a71ae4bd9cd", kill_on_drop: false }` [INFO] [stdout] 6868d59f9464b1fd4925b145b039b0bc7b32c4de3899e1f0299a3a71ae4bd9cd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid -Dtail_expr_drop_order" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7f1c4ab20d3ced246f73802e8236842879466c7d5d0e6bc0e6b055c2b8db6ff7 [INFO] running `Command { std: "docker" "start" "-a" "7f1c4ab20d3ced246f73802e8236842879466c7d5d0e6bc0e6b055c2b8db6ff7", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling syn v1.0.55 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling unindent v0.1.7 [INFO] [stderr] Checking ahash v0.4.7 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking strum v0.20.0 [INFO] [stderr] Compiling indoc v1.0.3 [INFO] [stderr] Checking itertools v0.10.0 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Compiling strum_macros v0.20.1 [INFO] [stderr] Checking aoc2020 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/runners/day07.rs:101:9 [INFO] [stdout] | [INFO] [stdout] 101 | let mut inserted_bag = self [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/runners/day07.rs:101:9 [INFO] [stdout] | [INFO] [stdout] 101 | let mut inserted_bag = self [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `MemoryGame` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/runners/day15.rs:107:9 [INFO] [stdout] | [INFO] [stdout] 94 | let mut game = MemoryGame::new(parse_input("0,3,6")); [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 107 | let mut game = MemoryGame::new(parse_input(input)); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `aoc2020` (bin "aoc2020" test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "7f1c4ab20d3ced246f73802e8236842879466c7d5d0e6bc0e6b055c2b8db6ff7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f1c4ab20d3ced246f73802e8236842879466c7d5d0e6bc0e6b055c2b8db6ff7", kill_on_drop: false }` [INFO] [stdout] 7f1c4ab20d3ced246f73802e8236842879466c7d5d0e6bc0e6b055c2b8db6ff7