[INFO] cloning repository https://github.com/PhilipDaniels/rust-config-example [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PhilipDaniels/rust-config-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhilipDaniels%2Frust-config-example", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhilipDaniels%2Frust-config-example'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1202bd44b35aaa82d5c335fa9a20e2719d9d2bfb [INFO] checking PhilipDaniels/rust-config-example/1202bd44b35aaa82d5c335fa9a20e2719d9d2bfb 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%2FPhilipDaniels%2Frust-config-example" "/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/PhilipDaniels/rust-config-example 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/PhilipDaniels/rust-config-example [INFO] finished tweaking git repo https://github.com/PhilipDaniels/rust-config-example [INFO] tweaked toml for git repo https://github.com/PhilipDaniels/rust-config-example written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/PhilipDaniels/rust-config-example 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] 6c646c172edb76060e20512c4cd5ff8ef3d00c6d0a99b9cd3a51973eb8f96cc6 [INFO] running `Command { std: "docker" "start" "-a" "6c646c172edb76060e20512c4cd5ff8ef3d00c6d0a99b9cd3a51973eb8f96cc6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6c646c172edb76060e20512c4cd5ff8ef3d00c6d0a99b9cd3a51973eb8f96cc6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c646c172edb76060e20512c4cd5ff8ef3d00c6d0a99b9cd3a51973eb8f96cc6", kill_on_drop: false }` [INFO] [stdout] 6c646c172edb76060e20512c4cd5ff8ef3d00c6d0a99b9cd3a51973eb8f96cc6 [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] 5391e86d2eb29eddf5269084c110314752ab12da4489eec489a53165c3a0188e [INFO] running `Command { std: "docker" "start" "-a" "5391e86d2eb29eddf5269084c110314752ab12da4489eec489a53165c3a0188e", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling libc v0.2.51 [INFO] [stderr] Compiling syn v0.15.30 [INFO] [stderr] Compiling serde v1.0.90 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Compiling serde_derive v1.0.90 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking iterex v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `directory` is never read [INFO] [stdout] --> src/configuration.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 38 | pub struct Configuration { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] 39 | pub verbose: bool, [INFO] [stdout] 40 | pub directory: PathBuf [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Configuration` 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/configuration.rs:143:15 [INFO] [stdout] | [INFO] [stdout] 140 | fn load_from_file

(path: P) -> Option [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 143 | match fs::File::open(path) { [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 `iterex` (bin "iterex") due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: field `directory` is never read [INFO] [stdout] --> src/configuration.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 38 | pub struct Configuration { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] 39 | pub verbose: bool, [INFO] [stdout] 40 | pub directory: PathBuf [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Configuration` 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/configuration.rs:143:15 [INFO] [stdout] | [INFO] [stdout] 140 | fn load_from_file

(path: P) -> Option [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 143 | match fs::File::open(path) { [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 `iterex` (bin "iterex" test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "5391e86d2eb29eddf5269084c110314752ab12da4489eec489a53165c3a0188e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5391e86d2eb29eddf5269084c110314752ab12da4489eec489a53165c3a0188e", kill_on_drop: false }` [INFO] [stdout] 5391e86d2eb29eddf5269084c110314752ab12da4489eec489a53165c3a0188e