[INFO] cloning repository https://github.com/Wachimingo/mygrep-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Wachimingo/mygrep-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWachimingo%2Fmygrep-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWachimingo%2Fmygrep-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 40e90d6caf565014a0121be2f152f249d85b20eb [INFO] checking Wachimingo/mygrep-rust against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWachimingo%2Fmygrep-rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Wachimingo/mygrep-rust 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/Wachimingo/mygrep-rust [INFO] finished tweaking git repo https://github.com/Wachimingo/mygrep-rust [INFO] tweaked toml for git repo https://github.com/Wachimingo/mygrep-rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Wachimingo/mygrep-rust 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] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded clap_derive v4.4.2 [INFO] [stderr] Downloaded quote v1.0.33 [INFO] [stderr] Downloaded heck v0.4.1 [INFO] [stderr] Downloaded anstream v0.5.0 [INFO] [stderr] Downloaded anstyle-query v1.0.0 [INFO] [stderr] Downloaded utf8parse v0.2.1 [INFO] [stderr] Downloaded anyhow v1.0.75 [INFO] [stderr] Downloaded anstyle-parse v0.2.1 [INFO] [stderr] Downloaded clap v4.4.4 [INFO] [stderr] Downloaded anstyle v1.0.3 [INFO] [stderr] Downloaded clap_builder v4.4.4 [INFO] [stderr] Downloaded anstyle-wincon v2.1.0 [INFO] [stderr] Downloaded colorchoice v1.0.0 [INFO] [stderr] Downloaded clap_lex v0.5.1 [INFO] [stderr] Downloaded proc-macro2 v1.0.67 [INFO] [stderr] Downloaded syn v2.0.37 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 13c5db8fd5f9abbc2755cfa6e46e959c8e89d46b52bd7f5dd83990c3e44146f2 [INFO] running `Command { std: "docker" "start" "-a" "13c5db8fd5f9abbc2755cfa6e46e959c8e89d46b52bd7f5dd83990c3e44146f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "13c5db8fd5f9abbc2755cfa6e46e959c8e89d46b52bd7f5dd83990c3e44146f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13c5db8fd5f9abbc2755cfa6e46e959c8e89d46b52bd7f5dd83990c3e44146f2", kill_on_drop: false }` [INFO] [stdout] 13c5db8fd5f9abbc2755cfa6e46e959c8e89d46b52bd7f5dd83990c3e44146f2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 18baea9fe57bf868cb7eaf551733bc5bb59803476a6cc318d18f009aec652f23 [INFO] running `Command { std: "docker" "start" "-a" "18baea9fe57bf868cb7eaf551733bc5bb59803476a6cc318d18f009aec652f23", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.67 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Checking anstyle-query v1.0.0 [INFO] [stderr] Checking anstyle v1.0.3 [INFO] [stderr] Checking colorchoice v1.0.0 [INFO] [stderr] Compiling anyhow v1.0.75 [INFO] [stderr] Checking clap_lex v0.5.1 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Checking anstyle-parse v0.2.1 [INFO] [stderr] Checking anstream v0.5.0 [INFO] [stderr] Checking clap_builder v4.4.4 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling syn v2.0.37 [INFO] [stderr] Compiling clap_derive v4.4.2 [INFO] [stderr] Checking clap v4.4.4 [INFO] [stderr] Checking mygrep v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `ErrorKind` and `Error` [INFO] [stdout] --> src/main.rs:1:31 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{fmt, fs::File, io::{Error, ErrorKind, Write}}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Context` and `Result` [INFO] [stdout] --> src/main.rs:3:14 [INFO] [stdout] | [INFO] [stdout] 3 | use anyhow::{Context, Result}; [INFO] [stdout] | ^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ErrorKind` and `Error` [INFO] [stdout] --> src/main.rs:1:31 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{fmt, fs::File, io::{Error, ErrorKind, Write}}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Context` and `Result` [INFO] [stdout] --> src/main.rs:3:14 [INFO] [stdout] | [INFO] [stdout] 3 | use anyhow::{Context, Result}; [INFO] [stdout] | ^^^^^^^ ^^^^^^ [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 6.48s [INFO] running `Command { std: "docker" "inspect" "18baea9fe57bf868cb7eaf551733bc5bb59803476a6cc318d18f009aec652f23", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "18baea9fe57bf868cb7eaf551733bc5bb59803476a6cc318d18f009aec652f23", kill_on_drop: false }` [INFO] [stdout] 18baea9fe57bf868cb7eaf551733bc5bb59803476a6cc318d18f009aec652f23 [INFO] checking Wachimingo/mygrep-rust 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%2FWachimingo%2Fmygrep-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Wachimingo/mygrep-rust 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/Wachimingo/mygrep-rust [INFO] finished tweaking git repo https://github.com/Wachimingo/mygrep-rust [INFO] tweaked toml for git repo https://github.com/Wachimingo/mygrep-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Wachimingo/mygrep-rust 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 58df3160d7a1750359bd2c5d13f4261b792260a89ff152ec94f2a5df941d506a [INFO] running `Command { std: "docker" "start" "-a" "58df3160d7a1750359bd2c5d13f4261b792260a89ff152ec94f2a5df941d506a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "58df3160d7a1750359bd2c5d13f4261b792260a89ff152ec94f2a5df941d506a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "58df3160d7a1750359bd2c5d13f4261b792260a89ff152ec94f2a5df941d506a", kill_on_drop: false }` [INFO] [stdout] 58df3160d7a1750359bd2c5d13f4261b792260a89ff152ec94f2a5df941d506a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9b96313d6c90a4fc90a1a55d04fb0bb8be20ef11757b74d8300293a1547c615c [INFO] running `Command { std: "docker" "start" "-a" "9b96313d6c90a4fc90a1a55d04fb0bb8be20ef11757b74d8300293a1547c615c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.67 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Checking colorchoice v1.0.0 [INFO] [stderr] Checking anstyle-query v1.0.0 [INFO] [stderr] Checking anstyle v1.0.3 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Compiling anyhow v1.0.75 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking clap_lex v0.5.1 [INFO] [stderr] Checking anstyle-parse v0.2.1 [INFO] [stderr] Checking anstream v0.5.0 [INFO] [stderr] Checking clap_builder v4.4.4 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling syn v2.0.37 [INFO] [stderr] Compiling clap_derive v4.4.2 [INFO] [stderr] Checking clap v4.4.4 [INFO] [stderr] Checking mygrep v0.1.0 (/opt/rustwide/workdir) [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/lib.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn read_lines

(filename: P) -> Result>> [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 31 | let file = File::open(&filename) [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 32 | .with_context(|| format!("could not read file {}", filename.as_ref().display()))?; [INFO] [stdout] 33 | Ok(io::BufReader::new(file).lines()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mygrep` (lib) due to 2 previous errors [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] --> src/lib.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn read_lines

(filename: P) -> Result>> [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 31 | let file = File::open(&filename) [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 32 | .with_context(|| format!("could not read file {}", filename.as_ref().display()))?; [INFO] [stdout] 33 | Ok(io::BufReader::new(file).lines()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mygrep` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "9b96313d6c90a4fc90a1a55d04fb0bb8be20ef11757b74d8300293a1547c615c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b96313d6c90a4fc90a1a55d04fb0bb8be20ef11757b74d8300293a1547c615c", kill_on_drop: false }` [INFO] [stdout] 9b96313d6c90a4fc90a1a55d04fb0bb8be20ef11757b74d8300293a1547c615c