[INFO] cloning repository https://github.com/Error404Coder/CS155Lab1 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Error404Coder/CS155Lab1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FError404Coder%2FCS155Lab1", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FError404Coder%2FCS155Lab1'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cacf6f660789b88fbc0bdfca89a86d0bd452cf6a [INFO] checking Error404Coder/CS155Lab1/cacf6f660789b88fbc0bdfca89a86d0bd452cf6a 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%2FError404Coder%2FCS155Lab1" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Error404Coder/CS155Lab1 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/Error404Coder/CS155Lab1 [INFO] finished tweaking git repo https://github.com/Error404Coder/CS155Lab1 [INFO] tweaked toml for git repo https://github.com/Error404Coder/CS155Lab1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Error404Coder/CS155Lab1 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a88b003eb5d4eaf9078736859663abf722c13960fafd2839de0bacd1821bdf8f [INFO] running `Command { std: "docker" "start" "-a" "a88b003eb5d4eaf9078736859663abf722c13960fafd2839de0bacd1821bdf8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a88b003eb5d4eaf9078736859663abf722c13960fafd2839de0bacd1821bdf8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a88b003eb5d4eaf9078736859663abf722c13960fafd2839de0bacd1821bdf8f", kill_on_drop: false }` [INFO] [stdout] a88b003eb5d4eaf9078736859663abf722c13960fafd2839de0bacd1821bdf8f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d493f4fcf98d2bb281ff10dcb370494952673a11ca2185cc8ba9f8daca28e9c3 [INFO] running `Command { std: "docker" "start" "-a" "d493f4fcf98d2bb281ff10dcb370494952673a11ca2185cc8ba9f8daca28e9c3", kill_on_drop: false }` [INFO] [stderr] Checking glob v0.3.1 [INFO] [stderr] Checking aho-corasick v0.7.20 [INFO] [stderr] Checking regex v1.7.1 [INFO] [stderr] Checking lab1 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> bin/fp.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::prelude::*` [INFO] [stdout] --> bin/fp.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> bin/fp.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::prelude::*` [INFO] [stdout] --> bin/fp.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `filepaths` [INFO] [stdout] --> bin/fp.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let filepaths: Vec = Vec::new(); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filepaths` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `filepaths` [INFO] [stdout] --> bin/fp.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let filepaths: Vec = Vec::new(); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filepaths` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` 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] --> bin/fp.rs:27:17 [INFO] [stdout] | [INFO] [stdout] 27 | |a| Regex::new(®ex_arg).unwrap().is_match( [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] --> bin/fp.rs:28:18 [INFO] [stdout] | [INFO] [stdout] 28 | &fs::read_to_string(a).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 2 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `lab1` (bin "fp" test) due to 3 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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] --> bin/fp.rs:27:17 [INFO] [stdout] | [INFO] [stdout] 27 | |a| Regex::new(®ex_arg).unwrap().is_match( [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] --> bin/fp.rs:28:18 [INFO] [stdout] | [INFO] [stdout] 28 | &fs::read_to_string(a).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 2 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `lab1` (bin "fp") due to 3 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "d493f4fcf98d2bb281ff10dcb370494952673a11ca2185cc8ba9f8daca28e9c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d493f4fcf98d2bb281ff10dcb370494952673a11ca2185cc8ba9f8daca28e9c3", kill_on_drop: false }` [INFO] [stdout] d493f4fcf98d2bb281ff10dcb370494952673a11ca2185cc8ba9f8daca28e9c3