[INFO] cloning repository https://github.com/aki-akaguma/cmp_error [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aki-akaguma/cmp_error" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faki-akaguma%2Fcmp_error", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faki-akaguma%2Fcmp_error'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 20c123405947c78b55a5ec0a59172e7210143bd6 [INFO] checking aki-akaguma/cmp_error/20c123405947c78b55a5ec0a59172e7210143bd6 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%2Faki-akaguma%2Fcmp_error" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aki-akaguma/cmp_error 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-2-tc2/source/.cargo/config [INFO] started tweaking git repo https://github.com/aki-akaguma/cmp_error [INFO] finished tweaking git repo https://github.com/aki-akaguma/cmp_error [INFO] tweaked toml for git repo https://github.com/aki-akaguma/cmp_error written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/aki-akaguma/cmp_error 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] 557429427fc7d236fdd228e13e410041b192e043d5f3c17efa761471b8acd1bd [INFO] running `Command { std: "docker" "start" "-a" "557429427fc7d236fdd228e13e410041b192e043d5f3c17efa761471b8acd1bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "557429427fc7d236fdd228e13e410041b192e043d5f3c17efa761471b8acd1bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "557429427fc7d236fdd228e13e410041b192e043d5f3c17efa761471b8acd1bd", kill_on_drop: false }` [INFO] [stdout] 557429427fc7d236fdd228e13e410041b192e043d5f3c17efa761471b8acd1bd [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] b84dcf851835149fd17df675aee93fba5014d1d34c52eaf93c04c79138e2374c [INFO] running `Command { std: "docker" "start" "-a" "b84dcf851835149fd17df675aee93fba5014d1d34c52eaf93c04c79138e2374c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.106 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling semver v1.0.4 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling anyhow v1.0.45 [INFO] [stderr] Compiling cc v1.0.71 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking gimli v0.26.1 [INFO] [stderr] Checking object v0.27.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking rustc-demangle v0.1.21 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling backtrace v0.3.63 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling serde_json v1.0.68 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Checking addr2line v0.17.0 [INFO] [stderr] Checking itertools v0.10.1 [INFO] [stderr] Compiling memx v0.1.17 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking criterion-plot v0.4.4 [INFO] [stderr] Checking memx-cdy v0.1.6 [INFO] [stderr] Checking xtask v0.1.0 (/opt/rustwide/workdir/xtask) [INFO] [stdout] warning: field `time_1k` is never read [INFO] [stdout] --> xtask/src/shape_benchmark_results.rs:66:9 [INFO] [stdout] | [INFO] [stdout] 62 | pub struct BenchStr { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 66 | pub time_1k: f64, // seconds per 1k [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BenchStr` has a derived impl for the trait `Clone`, 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] warning: field `time_1k` is never read [INFO] [stdout] --> xtask/src/shape_benchmark_results.rs:66:9 [INFO] [stdout] | [INFO] [stdout] 62 | pub struct BenchStr { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 66 | pub time_1k: f64, // seconds per 1k [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BenchStr` has a derived impl for the trait `Clone`, 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] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking cmp_error v0.1.4 (/opt/rustwide/workdir) [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/lib.rs:66:48 [INFO] [stdout] | [INFO] [stdout] 66 | black_box(recursion_call(count, 0, |h| Err(MyError::new(h).into()))) [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/lib.rs:71:48 [INFO] [stdout] | [INFO] [stdout] 71 | black_box(recursion_call(count, 0, |h| Err(MyError::new(h).into()))) [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 `cmp_error` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "b84dcf851835149fd17df675aee93fba5014d1d34c52eaf93c04c79138e2374c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b84dcf851835149fd17df675aee93fba5014d1d34c52eaf93c04c79138e2374c", kill_on_drop: false }` [INFO] [stdout] b84dcf851835149fd17df675aee93fba5014d1d34c52eaf93c04c79138e2374c