[INFO] cloning repository https://github.com/rarhoade/rust-text-editor [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rarhoade/rust-text-editor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frarhoade%2Frust-text-editor", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frarhoade%2Frust-text-editor'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5faa69fc4c8e44fd931ae43936b6b74c3b44edc4 [INFO] building rarhoade/rust-text-editor against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frarhoade%2Frust-text-editor" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rarhoade/rust-text-editor on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rarhoade/rust-text-editor [INFO] finished tweaking git repo https://github.com/rarhoade/rust-text-editor [INFO] tweaked toml for git repo https://github.com/rarhoade/rust-text-editor written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/rarhoade/rust-text-editor 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded redox_syscall v0.5.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ef7e5b87c086ddc2f2fdc2cb5ab94aad86f02b4eb907d55e1b5501a1d30ce367 [INFO] running `Command { std: "docker" "start" "-a" "ef7e5b87c086ddc2f2fdc2cb5ab94aad86f02b4eb907d55e1b5501a1d30ce367", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ef7e5b87c086ddc2f2fdc2cb5ab94aad86f02b4eb907d55e1b5501a1d30ce367", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef7e5b87c086ddc2f2fdc2cb5ab94aad86f02b4eb907d55e1b5501a1d30ce367", kill_on_drop: false }` [INFO] [stdout] ef7e5b87c086ddc2f2fdc2cb5ab94aad86f02b4eb907d55e1b5501a1d30ce367 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e50fea5ac6cfb48c6ba0b7df59de56b599c2bdb21dad0f5a4b6772278cdddf91 [INFO] running `Command { std: "docker" "start" "-a" "e50fea5ac6cfb48c6ba0b7df59de56b599c2bdb21dad0f5a4b6772278cdddf91", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Compiling signal-hook v0.3.17 [INFO] [stderr] Compiling rustix v0.38.37 [INFO] [stderr] Compiling signal-hook-registry v1.4.2 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Compiling mio v1.0.2 [INFO] [stderr] Compiling parking_lot v0.12.3 [INFO] [stderr] Compiling signal-hook-mio v0.2.4 [INFO] [stderr] Compiling crossterm v0.28.1 [INFO] [stderr] Compiling hecto v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Terminal` is never constructed [INFO] [stdout] --> src/terminal.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Terminal { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `initialize`, `terminate`, `clear_screen`, `move_cursor_to`, and `size` are never used [INFO] [stdout] --> src/terminal.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 10 | impl Terminal { [INFO] [stdout] | ------------- associated functions in this implementation [INFO] [stdout] 11 | fn initialize() -> Result<(), std::io::Error> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 18 | fn terminate() -> Result<(), std::io::Error> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | pub fn clear_screen() -> Result<(), std::io::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | pub fn move_cursor_to(x: u16, y: u16) -> Result<(), std::io::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | pub fn size() -> Result<(u16, u16), std::io::Error> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/terminal.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | execute!(stdout(), MoveTo(x, y)); [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] = note: this warning originates in the macro `execute` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.11s [INFO] running `Command { std: "docker" "inspect" "e50fea5ac6cfb48c6ba0b7df59de56b599c2bdb21dad0f5a4b6772278cdddf91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e50fea5ac6cfb48c6ba0b7df59de56b599c2bdb21dad0f5a4b6772278cdddf91", kill_on_drop: false }` [INFO] [stdout] e50fea5ac6cfb48c6ba0b7df59de56b599c2bdb21dad0f5a4b6772278cdddf91 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2080275efc4b579bb3b0f2c22d41bd557f82d5b8a3c2dd645db9ac74319f8d84 [INFO] running `Command { std: "docker" "start" "-a" "2080275efc4b579bb3b0f2c22d41bd557f82d5b8a3c2dd645db9ac74319f8d84", kill_on_drop: false }` [INFO] [stderr] Compiling hecto v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Terminal` is never constructed [INFO] [stdout] --> src/terminal.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Terminal { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `initialize`, `terminate`, `clear_screen`, `move_cursor_to`, and `size` are never used [INFO] [stdout] --> src/terminal.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 10 | impl Terminal { [INFO] [stdout] | ------------- associated functions in this implementation [INFO] [stdout] 11 | fn initialize() -> Result<(), std::io::Error> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 18 | fn terminate() -> Result<(), std::io::Error> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | pub fn clear_screen() -> Result<(), std::io::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | pub fn move_cursor_to(x: u16, y: u16) -> Result<(), std::io::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | pub fn size() -> Result<(u16, u16), std::io::Error> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/terminal.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | execute!(stdout(), MoveTo(x, y)); [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] = note: this warning originates in the macro `execute` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s [INFO] running `Command { std: "docker" "inspect" "2080275efc4b579bb3b0f2c22d41bd557f82d5b8a3c2dd645db9ac74319f8d84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2080275efc4b579bb3b0f2c22d41bd557f82d5b8a3c2dd645db9ac74319f8d84", kill_on_drop: false }` [INFO] [stdout] 2080275efc4b579bb3b0f2c22d41bd557f82d5b8a3c2dd645db9ac74319f8d84