[INFO] cloning repository https://github.com/SidneyNemzer/rusty-reading [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SidneyNemzer/rusty-reading" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSidneyNemzer%2Frusty-reading", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSidneyNemzer%2Frusty-reading'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 947c0b180fccc3eb8005b3269d07c35bb3b5c181 [INFO] checking SidneyNemzer/rusty-reading/947c0b180fccc3eb8005b3269d07c35bb3b5c181 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%2FSidneyNemzer%2Frusty-reading" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/SidneyNemzer/rusty-reading 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/SidneyNemzer/rusty-reading [INFO] finished tweaking git repo https://github.com/SidneyNemzer/rusty-reading [INFO] tweaked toml for git repo https://github.com/SidneyNemzer/rusty-reading written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/SidneyNemzer/rusty-reading 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 2125efaa2268e83dfbff0cb996165f7423bb2df16908e0759f086960453f5a84 [INFO] running `Command { std: "docker" "start" "-a" "2125efaa2268e83dfbff0cb996165f7423bb2df16908e0759f086960453f5a84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2125efaa2268e83dfbff0cb996165f7423bb2df16908e0759f086960453f5a84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2125efaa2268e83dfbff0cb996165f7423bb2df16908e0759f086960453f5a84", kill_on_drop: false }` [INFO] [stdout] 2125efaa2268e83dfbff0cb996165f7423bb2df16908e0759f086960453f5a84 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d0e396dc21a82d7edfb22e4330e87ab2cfd1ce1ea3234ee87f42e7bcc0b4f2d7 [INFO] running `Command { std: "docker" "start" "-a" "d0e396dc21a82d7edfb22e4330e87ab2cfd1ce1ea3234ee87f42e7bcc0b4f2d7", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.63 [INFO] [stderr] Compiling unicode-ident v1.0.9 [INFO] [stderr] Compiling quote v1.0.29 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Compiling serde v1.0.164 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling serde_json v1.0.99 [INFO] [stderr] Compiling rustix v0.38.1 [INFO] [stderr] Compiling rayon-core v1.11.0 [INFO] [stderr] Checking either v1.8.1 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking linux-raw-sys v0.4.3 [INFO] [stderr] Checking crossbeam-channel v0.5.8 [INFO] [stderr] Checking clap_lex v0.5.0 [INFO] [stderr] Checking plotters-backend v0.3.5 [INFO] [stderr] Checking ciborium-io v0.2.1 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Checking anstyle v1.0.1 [INFO] [stderr] Checking itoa v1.0.6 [INFO] [stderr] Checking ryu v1.0.13 [INFO] [stderr] Checking bitflags v2.3.3 [INFO] [stderr] Checking plotters-svg v0.3.5 [INFO] [stderr] Compiling syn v2.0.22 [INFO] [stderr] Checking clap_builder v4.3.10 [INFO] [stderr] Checking ciborium-ll v0.2.1 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking regex-syntax v0.7.2 [INFO] [stderr] Checking walkdir v2.3.3 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking path-dedot v3.1.0 [INFO] [stderr] Checking gen-fixture v0.1.0 (/opt/rustwide/workdir/gen-fixture) [INFO] [stderr] Checking rusty-reading v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking is-terminal v0.4.8 [INFO] [stderr] Checking rayon v1.7.0 [INFO] [stderr] Checking plotters v0.3.5 [INFO] [stderr] Checking regex v1.8.4 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking clap v4.3.10 [INFO] [stderr] Compiling serde_derive v1.0.164 [INFO] [stderr] Checking ciborium v0.2.1 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.5.1 [INFO] [stdout] warning: struct `Stats` is never constructed [INFO] [stdout] --> benches/main.rs:146:8 [INFO] [stdout] | [INFO] [stdout] 146 | struct Stats { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `new`, `mode`, and `standard_deviation` are never used [INFO] [stdout] --> benches/main.rs:157:8 [INFO] [stdout] | [INFO] [stdout] 156 | impl Stats { [INFO] [stdout] | ---------- associated functions in this implementation [INFO] [stdout] 157 | fn new(data: &mut Vec) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 180 | fn mode(data: &Vec) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 198 | fn standard_deviation(data: &Vec, mean: f64) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [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] --> benches/main.rs:56:19 [INFO] [stdout] | [INFO] [stdout] 56 | b.iter(|| rusty_reading::read(inputs.0 .0, inputs.0 .1).unwrap()) [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] --> benches/main.rs:68:23 [INFO] [stdout] | [INFO] [stdout] 68 | b.iter(|| rusty_reading::read(inputs.0 .0, inputs.0 .1).unwrap()) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> benches/main.rs:126:31 [INFO] [stdout] | [INFO] [stdout] 126 | |b, inputs| b.iter(|| rusty_reading::read_bufreader(inputs.0 .0, inputs.0 .1).unwrap()), [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> benches/main.rs:140:35 [INFO] [stdout] | [INFO] [stdout] 140 | |b, inputs| b.iter(|| rusty_reading::read_bufreader(inputs.0 .0, inputs.0 .1).unwrap()), [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 4 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rusty-reading` (bench "main") due to 5 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "d0e396dc21a82d7edfb22e4330e87ab2cfd1ce1ea3234ee87f42e7bcc0b4f2d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d0e396dc21a82d7edfb22e4330e87ab2cfd1ce1ea3234ee87f42e7bcc0b4f2d7", kill_on_drop: false }` [INFO] [stdout] d0e396dc21a82d7edfb22e4330e87ab2cfd1ce1ea3234ee87f42e7bcc0b4f2d7