[INFO] cloning repository https://github.com/Vasu7777py/test_data_save [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Vasu7777py/test_data_save" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVasu7777py%2Ftest_data_save", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVasu7777py%2Ftest_data_save'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bcfdd6d7b15cbbe99a3327e7e62b41fbe444fdc3 [INFO] checking Vasu7777py/test_data_save against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVasu7777py%2Ftest_data_save" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Vasu7777py/test_data_save on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Vasu7777py/test_data_save [INFO] finished tweaking git repo https://github.com/Vasu7777py/test_data_save [INFO] tweaked toml for git repo https://github.com/Vasu7777py/test_data_save written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Vasu7777py/test_data_save 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 08cd9398feb3f4dd0a6a306b26fd4aa3dfbf12399144f72f5abcd0cf09480d70 [INFO] running `Command { std: "docker" "start" "-a" "08cd9398feb3f4dd0a6a306b26fd4aa3dfbf12399144f72f5abcd0cf09480d70", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "08cd9398feb3f4dd0a6a306b26fd4aa3dfbf12399144f72f5abcd0cf09480d70", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "08cd9398feb3f4dd0a6a306b26fd4aa3dfbf12399144f72f5abcd0cf09480d70", kill_on_drop: false }` [INFO] [stdout] 08cd9398feb3f4dd0a6a306b26fd4aa3dfbf12399144f72f5abcd0cf09480d70 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8b3e8c4b9db7931f6dae4a0b087215df60bdb4d8f70a3c7550fe3a94f083602f [INFO] running `Command { std: "docker" "start" "-a" "8b3e8c4b9db7931f6dae4a0b087215df60bdb4d8f70a3c7550fe3a94f083602f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling proc-macro2 v1.0.63 [INFO] [stderr] Compiling quote v1.0.29 [INFO] [stderr] Compiling serde_json v1.0.99 [INFO] [stderr] Checking iana-time-zone v0.1.57 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Compiling syn v2.0.22 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking chrono v0.4.26 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling serde_derive v1.0.164 [INFO] [stderr] Checking serde v1.0.164 [INFO] [stderr] Checking test_data_save v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `file_name` [INFO] [stdout] --> src/main.rs:109:25 [INFO] [stdout] | [INFO] [stdout] 109 | fn load_data(&self, file_name: &str) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `file_name` [INFO] [stdout] --> src/main.rs:109:25 [INFO] [stdout] | [INFO] [stdout] 109 | fn load_data(&self, file_name: &str) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `load_data` is never used [INFO] [stdout] --> src/main.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 16 | trait MPU60X0Data { [INFO] [stdout] | ----------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 19 | fn load_data(&self, file_name: &str) -> Result<()>; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `load_data` is never used [INFO] [stdout] --> src/main.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 16 | trait MPU60X0Data { [INFO] [stdout] | ----------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 19 | fn load_data(&self, file_name: &str) -> Result<()>; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.34s [INFO] running `Command { std: "docker" "inspect" "8b3e8c4b9db7931f6dae4a0b087215df60bdb4d8f70a3c7550fe3a94f083602f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b3e8c4b9db7931f6dae4a0b087215df60bdb4d8f70a3c7550fe3a94f083602f", kill_on_drop: false }` [INFO] [stdout] 8b3e8c4b9db7931f6dae4a0b087215df60bdb4d8f70a3c7550fe3a94f083602f [INFO] checking Vasu7777py/test_data_save against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVasu7777py%2Ftest_data_save" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Vasu7777py/test_data_save on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Vasu7777py/test_data_save [INFO] finished tweaking git repo https://github.com/Vasu7777py/test_data_save [INFO] tweaked toml for git repo https://github.com/Vasu7777py/test_data_save written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Vasu7777py/test_data_save 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ed9f4c1aa274459dcaa4a53775cda0f647f90e00ec0409682ba31e26ce946f2a [INFO] running `Command { std: "docker" "start" "-a" "ed9f4c1aa274459dcaa4a53775cda0f647f90e00ec0409682ba31e26ce946f2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ed9f4c1aa274459dcaa4a53775cda0f647f90e00ec0409682ba31e26ce946f2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed9f4c1aa274459dcaa4a53775cda0f647f90e00ec0409682ba31e26ce946f2a", kill_on_drop: false }` [INFO] [stdout] ed9f4c1aa274459dcaa4a53775cda0f647f90e00ec0409682ba31e26ce946f2a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 72a4586f5d0c6b1f23e392e730b5feb02d30079cc51849fadf23275d336d7fed [INFO] running `Command { std: "docker" "start" "-a" "72a4586f5d0c6b1f23e392e730b5feb02d30079cc51849fadf23275d336d7fed", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling proc-macro2 v1.0.63 [INFO] [stderr] Compiling quote v1.0.29 [INFO] [stderr] Compiling serde_json v1.0.99 [INFO] [stderr] Checking iana-time-zone v0.1.57 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Compiling syn v2.0.22 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking chrono v0.4.26 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling serde_derive v1.0.164 [INFO] [stderr] Checking serde v1.0.164 [INFO] [stderr] Checking test_data_save v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `file_name` [INFO] [stdout] --> src/main.rs:109:25 [INFO] [stdout] | [INFO] [stdout] 109 | fn load_data(&self, file_name: &str) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `load_data` is never used [INFO] [stdout] --> src/main.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 16 | trait MPU60X0Data { [INFO] [stdout] | ----------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 19 | fn load_data(&self, file_name: &str) -> Result<()>; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [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/utils.rs:51:19 [INFO] [stdout] | [INFO] [stdout] 39 | fn visit_seq(self, mut seq: A) -> Result [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 44 | let mut data = Vec::with_capacity(N); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 51 | match data.try_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: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `test_data_save` (bin "test_data_save" test) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused variable: `file_name` [INFO] [stdout] --> src/main.rs:109:25 [INFO] [stdout] | [INFO] [stdout] 109 | fn load_data(&self, file_name: &str) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `load_data` is never used [INFO] [stdout] --> src/main.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 16 | trait MPU60X0Data { [INFO] [stdout] | ----------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 19 | fn load_data(&self, file_name: &str) -> Result<()>; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [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/utils.rs:51:19 [INFO] [stdout] | [INFO] [stdout] 39 | fn visit_seq(self, mut seq: A) -> Result [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 44 | let mut data = Vec::with_capacity(N); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 51 | match data.try_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: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `test_data_save` (bin "test_data_save") due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "72a4586f5d0c6b1f23e392e730b5feb02d30079cc51849fadf23275d336d7fed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72a4586f5d0c6b1f23e392e730b5feb02d30079cc51849fadf23275d336d7fed", kill_on_drop: false }` [INFO] [stdout] 72a4586f5d0c6b1f23e392e730b5feb02d30079cc51849fadf23275d336d7fed