[INFO] cloning repository https://github.com/davidszotten/advent-of-code-2018 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidszotten/advent-of-code-2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidszotten%2Fadvent-of-code-2018", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidszotten%2Fadvent-of-code-2018'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6a5ffa4cc87009ea731fb3f1b9c302e399d34696 [INFO] checking davidszotten/advent-of-code-2018/6a5ffa4cc87009ea731fb3f1b9c302e399d34696 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%2Fdavidszotten%2Fadvent-of-code-2018" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/davidszotten/advent-of-code-2018 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/davidszotten/advent-of-code-2018 [INFO] finished tweaking git repo https://github.com/davidszotten/advent-of-code-2018 [INFO] tweaked toml for git repo https://github.com/davidszotten/advent-of-code-2018 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/davidszotten/advent-of-code-2018 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] bae49794bc4440c09d5ca36d5d294ae4080f8602fcab1346e2525e3f0b79e697 [INFO] running `Command { std: "docker" "start" "-a" "bae49794bc4440c09d5ca36d5d294ae4080f8602fcab1346e2525e3f0b79e697", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bae49794bc4440c09d5ca36d5d294ae4080f8602fcab1346e2525e3f0b79e697", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bae49794bc4440c09d5ca36d5d294ae4080f8602fcab1346e2525e3f0b79e697", kill_on_drop: false }` [INFO] [stdout] bae49794bc4440c09d5ca36d5d294ae4080f8602fcab1346e2525e3f0b79e697 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 72b63c583b734580905efa7315922381327e1f4af417c1d686cbdbeafce75e2c [INFO] running `Command { std: "docker" "start" "-a" "72b63c583b734580905efa7315922381327e1f4af417c1d686cbdbeafce75e2c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking rand_core v0.3.0 [INFO] [stderr] Compiling cc v1.0.25 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking smallvec v0.6.7 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking rand_core v0.2.2 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Compiling failure_derive v0.1.3 [INFO] [stderr] Checking rustc-demangle v0.1.9 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking regex-syntax v0.6.4 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Compiling syn v0.15.21 [INFO] [stderr] Checking backtrace v0.3.9 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking once_cell v0.1.6 [INFO] [stderr] Checking cached v0.8.0 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Checking failure v0.1.3 [INFO] [stderr] Checking aoc2018 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/shared.rs:71:19 [INFO] [stdout] | [INFO] [stdout] 71 | type DayFunc = Fn(&str) -> Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 71 | type DayFunc = dyn Fn(&str) -> Result; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/shared.rs:71:19 [INFO] [stdout] | [INFO] [stdout] 71 | type DayFunc = Fn(&str) -> Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 71 | type DayFunc = dyn Fn(&str) -> Result; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [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/bin/day12.rs:54:50 [INFO] [stdout] | [INFO] [stdout] 54 | let rules: Vec = rows.filter_map(|row| row.parse().ok()).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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/bin/day12.rs:92:50 [INFO] [stdout] | [INFO] [stdout] 92 | let rules: Vec = rows.filter_map(|row| row.parse().ok()).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] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `aoc2018` (bin "day12") due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: field `current_pos` is never read [INFO] [stdout] --> src/bin/day09.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 9 | struct Marbles { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 10 | marbles: VecDeque, [INFO] [stdout] 11 | current_pos: usize, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Marbles` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [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/bin/day04.rs:87:27 [INFO] [stdout] | [INFO] [stdout] 87 | .filter_map(|row| row.parse().ok()) [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `pc` is never read [INFO] [stdout] --> src/bin/day21.rs:132:5 [INFO] [stdout] | [INFO] [stdout] 131 | struct Cpu { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 132 | pc: RegType, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `Cpu` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `aoc2018` (bin "day04") due to 2 previous errors [INFO] [stdout] warning: 1 warning emitted [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/bin/day07.rs:39:27 [INFO] [stdout] | [INFO] [stdout] 39 | .filter_map(|row| row.parse().ok()) [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `aoc2018` (bin "day07") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "72b63c583b734580905efa7315922381327e1f4af417c1d686cbdbeafce75e2c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72b63c583b734580905efa7315922381327e1f4af417c1d686cbdbeafce75e2c", kill_on_drop: false }` [INFO] [stdout] 72b63c583b734580905efa7315922381327e1f4af417c1d686cbdbeafce75e2c