[INFO] fetching crate dd_backup 0.1.2... [INFO] checking dd_backup-0.1.2 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate dd_backup 0.1.2 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate dd_backup 0.1.2 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 crates.io crate dd_backup 0.1.2 [INFO] finished tweaking crates.io crate dd_backup 0.1.2 [INFO] tweaked toml for crates.io crate dd_backup 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate dd_backup 0.1.2 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 535a4cc23fb32dbe34f67062eccba4c08a8e6b2fbb78cc857426d6fdb02c264f [INFO] running `Command { std: "docker" "start" "-a" "535a4cc23fb32dbe34f67062eccba4c08a8e6b2fbb78cc857426d6fdb02c264f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "535a4cc23fb32dbe34f67062eccba4c08a8e6b2fbb78cc857426d6fdb02c264f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "535a4cc23fb32dbe34f67062eccba4c08a8e6b2fbb78cc857426d6fdb02c264f", kill_on_drop: false }` [INFO] [stdout] 535a4cc23fb32dbe34f67062eccba4c08a8e6b2fbb78cc857426d6fdb02c264f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 68bf758c72bffbe09e76ac298d4dc3e86d32769964ac4cb703ac014fa48b14cb [INFO] running `Command { std: "docker" "start" "-a" "68bf758c72bffbe09e76ac298d4dc3e86d32769964ac4cb703ac014fa48b14cb", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.64 [INFO] [stderr] Compiling unicode-ident v1.0.10 [INFO] [stderr] Compiling quote v1.0.29 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling rustix v0.38.4 [INFO] [stderr] Checking linux-raw-sys v0.4.3 [INFO] [stderr] Checking bitflags v2.3.3 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Checking regex-syntax v0.7.4 [INFO] [stderr] Checking anstyle-query v1.0.0 [INFO] [stderr] Checking colorchoice v1.0.0 [INFO] [stderr] Checking anstyle v1.0.1 [INFO] [stderr] Compiling serde v1.0.171 [INFO] [stderr] Compiling serde_json v1.0.102 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking aho-corasick v1.0.2 [INFO] [stderr] Checking anstyle-parse v0.2.1 [INFO] [stderr] Compiling memoffset v0.7.1 [INFO] [stderr] Checking clap_lex v0.5.0 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Checking iana-time-zone v0.1.57 [INFO] [stderr] Checking option-ext v0.2.0 [INFO] [stderr] Checking itoa v1.0.8 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Checking ryu v1.0.14 [INFO] [stderr] Checking log v0.4.19 [INFO] [stderr] Checking termcolor v1.2.0 [INFO] [stderr] Checking relative-path v1.8.0 [INFO] [stderr] Checking regex-automata v0.3.3 [INFO] [stderr] Compiling syn v2.0.25 [INFO] [stderr] Checking is-terminal v0.4.9 [INFO] [stderr] Checking anstream v0.3.2 [INFO] [stderr] Checking clap_builder v4.3.11 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking dirs-sys v0.4.1 [INFO] [stderr] Checking nix v0.26.2 [INFO] [stderr] Checking dirs v5.0.1 [INFO] [stderr] Checking chrono v0.4.26 [INFO] [stderr] Checking regex v1.9.1 [INFO] [stderr] Checking env_logger v0.10.0 [INFO] [stderr] Checking chrono-humanize v0.2.2 [INFO] [stderr] Compiling serde_derive v1.0.171 [INFO] [stderr] Compiling clap_derive v4.3.2 [INFO] [stderr] Checking clap v4.3.11 [INFO] [stderr] Checking dd_backup v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `fsavail` is never read [INFO] [stdout] --> src/run/backup_run/filesystem.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct Filesystem { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 20 | pub fsavail: Option, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Filesystem` 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/run/backup_run/filesystem.rs:183:21 [INFO] [stdout] | [INFO] [stdout] 182 | .filter_map(|entry| { [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 183 | entry.ok().and_then(|e| { [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/run/backup_run/filesystem.rs:250:17 [INFO] [stdout] | [INFO] [stdout] 249 | .filter_map(|entry| { [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 250 | entry.ok().and_then(|e| { [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `dd_backup` (bin "dd_backup") due to 3 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: field `fsavail` is never read [INFO] [stdout] --> src/run/backup_run/filesystem.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct Filesystem { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 20 | pub fsavail: Option, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Filesystem` 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/run/backup_run/filesystem.rs:183:21 [INFO] [stdout] | [INFO] [stdout] 182 | .filter_map(|entry| { [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 183 | entry.ok().and_then(|e| { [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/run/backup_run/filesystem.rs:250:17 [INFO] [stdout] | [INFO] [stdout] 249 | .filter_map(|entry| { [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 250 | entry.ok().and_then(|e| { [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `dd_backup` (bin "dd_backup" test) due to 3 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "68bf758c72bffbe09e76ac298d4dc3e86d32769964ac4cb703ac014fa48b14cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68bf758c72bffbe09e76ac298d4dc3e86d32769964ac4cb703ac014fa48b14cb", kill_on_drop: false }` [INFO] [stdout] 68bf758c72bffbe09e76ac298d4dc3e86d32769964ac4cb703ac014fa48b14cb