[INFO] cloning repository https://github.com/yugonline/rust_cmus [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yugonline/rust_cmus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyugonline%2Frust_cmus", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyugonline%2Frust_cmus'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 315b39404bb93e72a3fbd3d0b554cd7cba3e32c3 [INFO] checking yugonline/rust_cmus against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyugonline%2Frust_cmus" "/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/yugonline/rust_cmus 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/yugonline/rust_cmus [INFO] finished tweaking git repo https://github.com/yugonline/rust_cmus [INFO] tweaked toml for git repo https://github.com/yugonline/rust_cmus written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/yugonline/rust_cmus 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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cd52280dd4a2e4f89bd04cdbb1e5a1eb44992a9153617a52f72563a593a07249 [INFO] running `Command { std: "docker" "start" "-a" "cd52280dd4a2e4f89bd04cdbb1e5a1eb44992a9153617a52f72563a593a07249", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cd52280dd4a2e4f89bd04cdbb1e5a1eb44992a9153617a52f72563a593a07249", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd52280dd4a2e4f89bd04cdbb1e5a1eb44992a9153617a52f72563a593a07249", kill_on_drop: false }` [INFO] [stdout] cd52280dd4a2e4f89bd04cdbb1e5a1eb44992a9153617a52f72563a593a07249 [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" "-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] 677065e572facc2268dcb8b4db353735e03f43975e9fa9dcf78041aab8e26c27 [INFO] running `Command { std: "docker" "start" "-a" "677065e572facc2268dcb8b4db353735e03f43975e9fa9dcf78041aab8e26c27", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/file.rs:86:11 [INFO] [stdout] | [INFO] [stdout] 86 | if(cb(std::str::from_utf8(line).unwrap())) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 86 - if(cb(std::str::from_utf8(line).unwrap())) { [INFO] [stdout] 86 + if cb(std::str::from_utf8(line).unwrap()) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/file.rs:86:11 [INFO] [stdout] | [INFO] [stdout] 86 | if(cb(std::str::from_utf8(line).unwrap())) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 86 - if(cb(std::str::from_utf8(line).unwrap())) { [INFO] [stdout] 86 + if cb(std::str::from_utf8(line).unwrap()) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `is_newline` is assigned to, but never used [INFO] [stdout] --> src/file.rs:104:17 [INFO] [stdout] | [INFO] [stdout] 104 | let mut is_newline = false; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_is_newline` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `is_newline` is never read [INFO] [stdout] --> src/file.rs:107:13 [INFO] [stdout] | [INFO] [stdout] 107 | is_newline = true; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `is_newline` is never read [INFO] [stdout] --> src/file.rs:110:13 [INFO] [stdout] | [INFO] [stdout] 110 | is_newline = true; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_all` is never used [INFO] [stdout] --> src/file.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn read_all(fd: RawFd, buf: &mut [u8]) -> io::Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `write_all` is never used [INFO] [stdout] --> src/file.rs:47:8 [INFO] [stdout] | [INFO] [stdout] 47 | pub fn write_all(mut file: &File, buf: &[u8]) -> io::Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `mmap_file` is never used [INFO] [stdout] --> src/file.rs:53:15 [INFO] [stdout] | [INFO] [stdout] 53 | pub unsafe fn mmap_file(filename: &Path) -> Result<(Mmap, usize), std::io::Error> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `buffer_for_each_line` is never used [INFO] [stdout] --> src/file.rs:66:8 [INFO] [stdout] | [INFO] [stdout] 66 | pub fn buffer_for_each_line(buf: &[u8], mut cb: F) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `buffer_for_each_line_reverse` is never used [INFO] [stdout] --> src/file.rs:94:8 [INFO] [stdout] | [INFO] [stdout] 94 | pub fn buffer_for_each_line_reverse(buf: &[u8], mut cb: F) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `file_for_each_line` is never used [INFO] [stdout] --> src/file.rs:132:8 [INFO] [stdout] | [INFO] [stdout] 132 | pub fn file_for_each_line(filename: &str, mut cb: F) -> io::Result<()> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `is_newline` is assigned to, but never used [INFO] [stdout] --> src/file.rs:104:17 [INFO] [stdout] | [INFO] [stdout] 104 | let mut is_newline = false; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_is_newline` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `is_newline` is never read [INFO] [stdout] --> src/file.rs:107:13 [INFO] [stdout] | [INFO] [stdout] 107 | is_newline = true; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `is_newline` is never read [INFO] [stdout] --> src/file.rs:110:13 [INFO] [stdout] | [INFO] [stdout] 110 | is_newline = true; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.71s [INFO] running `Command { std: "docker" "inspect" "677065e572facc2268dcb8b4db353735e03f43975e9fa9dcf78041aab8e26c27", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "677065e572facc2268dcb8b4db353735e03f43975e9fa9dcf78041aab8e26c27", kill_on_drop: false }` [INFO] [stdout] 677065e572facc2268dcb8b4db353735e03f43975e9fa9dcf78041aab8e26c27 [INFO] checking yugonline/rust_cmus 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%2Fyugonline%2Frust_cmus" "/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/yugonline/rust_cmus 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/yugonline/rust_cmus [INFO] finished tweaking git repo https://github.com/yugonline/rust_cmus [INFO] tweaked toml for git repo https://github.com/yugonline/rust_cmus written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/yugonline/rust_cmus 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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b3c9a3f06a59340833e0c5fb7a80888d829d6b205e1c27944e26c1da94ff360b [INFO] running `Command { std: "docker" "start" "-a" "b3c9a3f06a59340833e0c5fb7a80888d829d6b205e1c27944e26c1da94ff360b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b3c9a3f06a59340833e0c5fb7a80888d829d6b205e1c27944e26c1da94ff360b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3c9a3f06a59340833e0c5fb7a80888d829d6b205e1c27944e26c1da94ff360b", kill_on_drop: false }` [INFO] [stdout] b3c9a3f06a59340833e0c5fb7a80888d829d6b205e1c27944e26c1da94ff360b [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 610c9d67781aea0eab1bd99cd6ef5a0dc93be10f94aeb31e4c5d081ef2611022 [INFO] running `Command { std: "docker" "start" "-a" "610c9d67781aea0eab1bd99cd6ef5a0dc93be10f94aeb31e4c5d081ef2611022", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/file.rs:86:11 [INFO] [stdout] | [INFO] [stdout] 86 | if(cb(std::str::from_utf8(line).unwrap())) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 86 - if(cb(std::str::from_utf8(line).unwrap())) { [INFO] [stdout] 86 + if cb(std::str::from_utf8(line).unwrap()) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/file.rs:86:11 [INFO] [stdout] | [INFO] [stdout] 86 | if(cb(std::str::from_utf8(line).unwrap())) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 86 - if(cb(std::str::from_utf8(line).unwrap())) { [INFO] [stdout] 86 + if cb(std::str::from_utf8(line).unwrap()) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `is_newline` is assigned to, but never used [INFO] [stdout] --> src/file.rs:104:17 [INFO] [stdout] | [INFO] [stdout] 104 | let mut is_newline = false; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_is_newline` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `is_newline` is never read [INFO] [stdout] --> src/file.rs:107:13 [INFO] [stdout] | [INFO] [stdout] 107 | is_newline = true; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `is_newline` is never read [INFO] [stdout] --> src/file.rs:110:13 [INFO] [stdout] | [INFO] [stdout] 110 | is_newline = true; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_all` is never used [INFO] [stdout] --> src/file.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn read_all(fd: RawFd, buf: &mut [u8]) -> io::Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `write_all` is never used [INFO] [stdout] --> src/file.rs:47:8 [INFO] [stdout] | [INFO] [stdout] 47 | pub fn write_all(mut file: &File, buf: &[u8]) -> io::Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `mmap_file` is never used [INFO] [stdout] --> src/file.rs:53:15 [INFO] [stdout] | [INFO] [stdout] 53 | pub unsafe fn mmap_file(filename: &Path) -> Result<(Mmap, usize), std::io::Error> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `buffer_for_each_line` is never used [INFO] [stdout] --> src/file.rs:66:8 [INFO] [stdout] | [INFO] [stdout] 66 | pub fn buffer_for_each_line(buf: &[u8], mut cb: F) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `buffer_for_each_line_reverse` is never used [INFO] [stdout] --> src/file.rs:94:8 [INFO] [stdout] | [INFO] [stdout] 94 | pub fn buffer_for_each_line_reverse(buf: &[u8], mut cb: F) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `file_for_each_line` is never used [INFO] [stdout] --> src/file.rs:132:8 [INFO] [stdout] | [INFO] [stdout] 132 | pub fn file_for_each_line(filename: &str, mut cb: F) -> io::Result<()> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `is_newline` is assigned to, but never used [INFO] [stdout] --> src/file.rs:104:17 [INFO] [stdout] | [INFO] [stdout] 104 | let mut is_newline = false; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_is_newline` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `is_newline` is never read [INFO] [stdout] --> src/file.rs:107:13 [INFO] [stdout] | [INFO] [stdout] 107 | is_newline = true; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `is_newline` is never read [INFO] [stdout] --> src/file.rs:110:13 [INFO] [stdout] | [INFO] [stdout] 110 | is_newline = true; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [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/file.rs:227:9 [INFO] [stdout] | [INFO] [stdout] 222 | let file = File::open(&path).expect("Failed to open file 'empty.txt'"); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 225 | let result = read_all(fd, &mut buffer); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 226 | assert_eq!(result.unwrap(), 0); [INFO] [stdout] 227 | remove_file(path).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] = 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; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust` (bin "rust" test) due to 2 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "610c9d67781aea0eab1bd99cd6ef5a0dc93be10f94aeb31e4c5d081ef2611022", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "610c9d67781aea0eab1bd99cd6ef5a0dc93be10f94aeb31e4c5d081ef2611022", kill_on_drop: false }` [INFO] [stdout] 610c9d67781aea0eab1bd99cd6ef5a0dc93be10f94aeb31e4c5d081ef2611022