[INFO] cloning repository https://github.com/ChristoferBerruz/easy-move [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ChristoferBerruz/easy-move" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristoferBerruz%2Feasy-move", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristoferBerruz%2Feasy-move'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5c0f7fce9ffa51c4be26110acfd215113b87d6a0 [INFO] checking ChristoferBerruz/easy-move/5c0f7fce9ffa51c4be26110acfd215113b87d6a0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristoferBerruz%2Feasy-move" "/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/ChristoferBerruz/easy-move on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ChristoferBerruz/easy-move [INFO] finished tweaking git repo https://github.com/ChristoferBerruz/easy-move [INFO] tweaked toml for git repo https://github.com/ChristoferBerruz/easy-move written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ChristoferBerruz/easy-move 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 804e51ac41c099df8256cd0ead9e26f84297d219c0eef86b979d12a05891b041 [INFO] running `Command { std: "docker" "start" "-a" "804e51ac41c099df8256cd0ead9e26f84297d219c0eef86b979d12a05891b041", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "804e51ac41c099df8256cd0ead9e26f84297d219c0eef86b979d12a05891b041", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "804e51ac41c099df8256cd0ead9e26f84297d219c0eef86b979d12a05891b041", kill_on_drop: false }` [INFO] [stdout] 804e51ac41c099df8256cd0ead9e26f84297d219c0eef86b979d12a05891b041 [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 921ae663df27fe9fff5ce16261c835ae55891769848da90c518e6b91b45252de [INFO] running `Command { std: "docker" "start" "-a" "921ae663df27fe9fff5ce16261c835ae55891769848da90c518e6b91b45252de", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.58 [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling serde_derive v1.0.119 [INFO] [stderr] Compiling serde v1.0.119 [INFO] [stderr] Compiling serde_json v1.0.61 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Checking dirs-sys v0.3.5 [INFO] [stderr] Checking dirs v3.0.1 [INFO] [stderr] Checking easy-move v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/config.rs:47:15 [INFO] [stdout] | [INFO] [stdout] 35 | let mut f = File::open(config_path).unwrap_or_else(|error| { [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 47 | match f.read_to_string(&mut contents){ [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] warning: associated items `load`, `new`, `read_config_from_file`, and `write_config_to_file` are never used [INFO] [stdout] --> src/config.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl Config{ [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 13 | [INFO] [stdout] 14 | pub fn load(config_path: &String) -> Config{ [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | pub fn new() -> Config{ [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | fn read_config_from_file(config_path: &String) -> Result{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | pub fn write_config_to_file(&self){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/config.rs:47:15 [INFO] [stdout] | [INFO] [stdout] 35 | let mut f = File::open(config_path).unwrap_or_else(|error| { [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 47 | match f.read_to_string(&mut contents){ [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] warning: associated items `load`, `new`, `read_config_from_file`, and `write_config_to_file` are never used [INFO] [stdout] --> src/config.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl Config{ [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 13 | [INFO] [stdout] 14 | pub fn load(config_path: &String) -> Config{ [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | pub fn new() -> Config{ [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | fn read_config_from_file(config_path: &String) -> Result{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | pub fn write_config_to_file(&self){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/config.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | serde_json::to_writer(File::create("config.json").unwrap(), &self); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 55 | let _ = serde_json::to_writer(File::create("config.json").unwrap(), &self); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/config.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | serde_json::to_writer(File::create("config.json").unwrap(), &self); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 55 | let _ = serde_json::to_writer(File::create("config.json").unwrap(), &self); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `easy-move` (bin "easy-move" test) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `easy-move` (bin "easy-move") due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "921ae663df27fe9fff5ce16261c835ae55891769848da90c518e6b91b45252de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "921ae663df27fe9fff5ce16261c835ae55891769848da90c518e6b91b45252de", kill_on_drop: false }` [INFO] [stdout] 921ae663df27fe9fff5ce16261c835ae55891769848da90c518e6b91b45252de