[INFO] cloning repository https://github.com/1submarine/neutron [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/1submarine/neutron" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1submarine%2Fneutron", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1submarine%2Fneutron'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1bcaa8fe8bd9436fb806da9e357d7c0a3ab9df37 [INFO] checking 1submarine/neutron/1bcaa8fe8bd9436fb806da9e357d7c0a3ab9df37 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%2F1submarine%2Fneutron" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/1submarine/neutron 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/1submarine/neutron [INFO] finished tweaking git repo https://github.com/1submarine/neutron [INFO] tweaked toml for git repo https://github.com/1submarine/neutron written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/1submarine/neutron 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 897dbd5a53ce5e0554708c5ca325d533624e13207ad6f737ce7b29fffae6ad1e [INFO] running `Command { std: "docker" "start" "-a" "897dbd5a53ce5e0554708c5ca325d533624e13207ad6f737ce7b29fffae6ad1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "897dbd5a53ce5e0554708c5ca325d533624e13207ad6f737ce7b29fffae6ad1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "897dbd5a53ce5e0554708c5ca325d533624e13207ad6f737ce7b29fffae6ad1e", kill_on_drop: false }` [INFO] [stdout] 897dbd5a53ce5e0554708c5ca325d533624e13207ad6f737ce7b29fffae6ad1e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ec11519842e1505b2873a89bdd1cd10eebda13e4bb12bc2a577d0739aef46d8b [INFO] running `Command { std: "docker" "start" "-a" "ec11519842e1505b2873a89bdd1cd10eebda13e4bb12bc2a577d0739aef46d8b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling syn v1.0.80 [INFO] [stderr] Compiling libc v0.2.103 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling lexical-core v0.7.6 [INFO] [stderr] Checking bytemuck v1.7.2 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Compiling serde_json v1.0.68 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Checking smallvec v1.7.0 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking safe_arch v0.6.0 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Compiling typenum v1.14.0 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Checking nibble_vec v0.1.0 [INFO] [stderr] Checking endian-type v0.1.2 [INFO] [stderr] Checking serde v0.8.23 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Checking radix_trie v0.2.1 [INFO] [stderr] Checking matrixmultiply v0.3.1 [INFO] [stderr] Checking wide v0.7.1 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking utf8parse v0.2.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking dtoa v0.4.8 [INFO] [stderr] Checking quick-error v2.0.1 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking rust-ini v0.13.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking os_str_bytes v3.1.0 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking num-complex v0.4.0 [INFO] [stderr] Checking approx v0.5.0 [INFO] [stderr] Checking svg v0.10.0 [INFO] [stderr] Checking nanorand v0.6.1 [INFO] [stderr] Compiling pest_meta v2.1.3 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking nix v0.22.2 [INFO] [stderr] Checking dirs-sys v0.3.6 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking fd-lock v3.0.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking flate2 v1.0.22 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Checking directories v4.0.1 [INFO] [stderr] Checking simba v0.6.0 [INFO] [stderr] Checking serde-hjson v0.9.1 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.4 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Compiling nalgebra-macros v0.1.0 [INFO] [stderr] Checking rustyline v9.0.0 [INFO] [stderr] Checking clap v3.0.0-beta.4 [INFO] [stderr] Checking nalgebra v0.29.0 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking serde_yaml v0.8.21 [INFO] [stderr] Checking handlebars v4.1.3 [INFO] [stderr] Checking config v0.11.0 [INFO] [stderr] Checking neutron v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `rng` [INFO] [stdout] --> src/astronomical.rs:227:18 [INFO] [stdout] | [INFO] [stdout] 227 | pub fn total(rng: &mut WyRand) -> Self { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rng` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/astronomical.rs:228:13 [INFO] [stdout] | [INFO] [stdout] 228 | let mut ret = Self::new(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rng` [INFO] [stdout] --> src/astronomical.rs:227:18 [INFO] [stdout] | [INFO] [stdout] 227 | pub fn total(rng: &mut WyRand) -> Self { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rng` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/astronomical.rs:228:13 [INFO] [stdout] | [INFO] [stdout] 228 | let mut ret = Self::new(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rng` [INFO] [stdout] --> src/world.rs:46:37 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn constellations(mut self, rng: &mut WyRand, num: u8) -> Self { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rng` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `clap_conf` [INFO] [stdout] --> src/main.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let clap_conf = clap_app!( [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_clap_conf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rng` [INFO] [stdout] --> src/world.rs:46:37 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn constellations(mut self, rng: &mut WyRand, num: u8) -> Self { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rng` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `clap_conf` [INFO] [stdout] --> src/main.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let clap_conf = clap_app!( [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_clap_conf` [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/world.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 20 | let ret: Result = serde_yaml::to_string(&self); [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 24 | Err(ret.unwrap_err()) [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/world.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 27 | let ret: Result = serde_yaml::from_str(&data); [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 31 | Err(ret.unwrap_err()) [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; 4 warnings emitted [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/world.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 20 | let ret: Result = serde_yaml::to_string(&self); [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 24 | Err(ret.unwrap_err()) [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/world.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 27 | let ret: Result = serde_yaml::from_str(&data); [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 31 | Err(ret.unwrap_err()) [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] [stderr] error: could not compile `neutron` (bin "neutron") due to 3 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 2 previous errors; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `neutron` (bin "neutron" test) due to 3 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "ec11519842e1505b2873a89bdd1cd10eebda13e4bb12bc2a577d0739aef46d8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec11519842e1505b2873a89bdd1cd10eebda13e4bb12bc2a577d0739aef46d8b", kill_on_drop: false }` [INFO] [stdout] ec11519842e1505b2873a89bdd1cd10eebda13e4bb12bc2a577d0739aef46d8b