[INFO] fetching crate tin-summer 1.21.14... [INFO] checking tin-summer-1.21.14 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate tin-summer 1.21.14 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate tin-summer 1.21.14 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] removed /workspace/builds/worker-7-tc2/source/.cargo/config [INFO] started tweaking crates.io crate tin-summer 1.21.14 [INFO] finished tweaking crates.io crate tin-summer 1.21.14 [INFO] tweaked toml for crates.io crate tin-summer 1.21.14 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate tin-summer 1.21.14 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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [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] 8170aceaf3e74a5a35e38878e5f142028fc5a0cab3344505ebea55a6582cebd5 [INFO] running `Command { std: "docker" "start" "-a" "8170aceaf3e74a5a35e38878e5f142028fc5a0cab3344505ebea55a6582cebd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8170aceaf3e74a5a35e38878e5f142028fc5a0cab3344505ebea55a6582cebd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8170aceaf3e74a5a35e38878e5f142028fc5a0cab3344505ebea55a6582cebd5", kill_on_drop: false }` [INFO] [stdout] 8170aceaf3e74a5a35e38878e5f142028fc5a0cab3344505ebea55a6582cebd5 [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] aa3e0da14d9dfd5927e30f61bfcce0f91fe9aa20f71e19c3ee13a7449f07306b [INFO] running `Command { std: "docker" "start" "-a" "aa3e0da14d9dfd5927e30f61bfcce0f91fe9aa20f71e19c3ee13a7449f07306b", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking owning_ref v0.4.1 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Compiling yaml-rust v0.3.5 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking once_cell v1.6.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking pad v0.1.6 [INFO] [stderr] Checking glob v0.3.0 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling dirs-sys v0.3.5 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Compiling colored v2.0.0 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Compiling dirs v3.0.1 [INFO] [stderr] Checking crossbeam-deque v0.6.3 [INFO] [stderr] Checking nom v3.2.1 [INFO] [stderr] Compiling cli-setup v0.2.7 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking crossbeam v0.6.0 [INFO] [stderr] Compiling tin-summer v1.21.14 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `hgignore`, `darcs_boring`, and `follow_symlinks` are never read [INFO] [stdout] --> src/walk_parallel/mod.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 36 | pub struct Walk { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 39 | hgignore: Option, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 40 | darcs_boring: Option, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 48 | follow_symlinks: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Walk` 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] 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/walk_parallel/mod.rs:242:38 [INFO] [stdout] | [INFO] [stdout] 242 | iter.map(|_| worker.push(Status::Done)).count(); [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] [stdout] warning: fields `hgignore`, `darcs_boring`, and `follow_symlinks` are never read [INFO] [stdout] --> src/walk_parallel/mod.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 36 | pub struct Walk { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 39 | hgignore: Option, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 40 | darcs_boring: Option, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 48 | follow_symlinks: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Walk` 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] [stderr] error: could not compile `tin-summer` (lib test) 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/walk_parallel/mod.rs:242:38 [INFO] [stdout] | [INFO] [stdout] 242 | iter.map(|_| worker.push(Status::Done)).count(); [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 `tin-summer` (lib) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "aa3e0da14d9dfd5927e30f61bfcce0f91fe9aa20f71e19c3ee13a7449f07306b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa3e0da14d9dfd5927e30f61bfcce0f91fe9aa20f71e19c3ee13a7449f07306b", kill_on_drop: false }` [INFO] [stdout] aa3e0da14d9dfd5927e30f61bfcce0f91fe9aa20f71e19c3ee13a7449f07306b