[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#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [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 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 500f4f6cdfc26f0071d2fe7c4c99a8cf10d4a2e749e24afaf392d3a931861607 [INFO] running `Command { std: "docker" "start" "-a" "500f4f6cdfc26f0071d2fe7c4c99a8cf10d4a2e749e24afaf392d3a931861607", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "500f4f6cdfc26f0071d2fe7c4c99a8cf10d4a2e749e24afaf392d3a931861607", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "500f4f6cdfc26f0071d2fe7c4c99a8cf10d4a2e749e24afaf392d3a931861607", kill_on_drop: false }` [INFO] [stdout] 500f4f6cdfc26f0071d2fe7c4c99a8cf10d4a2e749e24afaf392d3a931861607 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 22b55c46cfaa42083c4de550de322a21aa6da73371c9435e180aea5ba129a3ce [INFO] running `Command { std: "docker" "start" "-a" "22b55c46cfaa42083c4de550de322a21aa6da73371c9435e180aea5ba129a3ce", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [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] Checking thread_local v1.0.1 [INFO] [stderr] Checking itertools v0.10.0 [INFO] [stderr] Compiling indoc v1.0.3 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Compiling heck v0.3.2 [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] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/runners/day16.rs:148:12 [INFO] [stdout] | [INFO] [stdout] 147 | fn from_iter>(iter: I) -> Ticket { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 148 | Ticket(iter.into_iter().collect()) [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] 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] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `aoc2020` (bin "aoc2020") due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/runners/day16.rs:148:12 [INFO] [stdout] | [INFO] [stdout] 147 | fn from_iter>(iter: I) -> Ticket { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 148 | Ticket(iter.into_iter().collect()) [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" "22b55c46cfaa42083c4de550de322a21aa6da73371c9435e180aea5ba129a3ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "22b55c46cfaa42083c4de550de322a21aa6da73371c9435e180aea5ba129a3ce", kill_on_drop: false }` [INFO] [stdout] 22b55c46cfaa42083c4de550de322a21aa6da73371c9435e180aea5ba129a3ce