[INFO] cloning repository https://github.com/koshkin-kna/rust-learn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/koshkin-kna/rust-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkoshkin-kna%2Frust-learn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkoshkin-kna%2Frust-learn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1c7a0e3513e67fcc84f652742de2f10b5d159f72 [INFO] checking koshkin-kna/rust-learn against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkoshkin-kna%2Frust-learn" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/koshkin-kna/rust-learn 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/koshkin-kna/rust-learn [INFO] finished tweaking git repo https://github.com/koshkin-kna/rust-learn [INFO] tweaked toml for git repo https://github.com/koshkin-kna/rust-learn written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/koshkin-kna/rust-learn 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] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded inflate v0.4.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6090017ad978953e329aa49b1dcfbd3f10e7b59a83af1ecf3c34379d65d35477 [INFO] running `Command { std: "docker" "start" "-a" "6090017ad978953e329aa49b1dcfbd3f10e7b59a83af1ecf3c34379d65d35477", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6090017ad978953e329aa49b1dcfbd3f10e7b59a83af1ecf3c34379d65d35477", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6090017ad978953e329aa49b1dcfbd3f10e7b59a83af1ecf3c34379d65d35477", kill_on_drop: false }` [INFO] [stdout] 6090017ad978953e329aa49b1dcfbd3f10e7b59a83af1ecf3c34379d65d35477 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a8ffe7ca903e2c7ecfbf485b590bece1343ef31f74e39a7ba872e9db99b5e96c [INFO] running `Command { std: "docker" "start" "-a" "a8ffe7ca903e2c7ecfbf485b590bece1343ef31f74e39a7ba872e9db99b5e96c", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling num-traits v0.2.4 [INFO] [stderr] Checking cfg-if v0.1.3 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking libc v0.2.42 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling num-integer v0.1.38 [INFO] [stderr] Checking lazy_static v1.0.1 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Compiling rayon-core v1.4.0 [INFO] [stderr] Checking adler32 v1.0.2 [INFO] [stderr] Compiling proc-macro2 v0.4.6 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Checking byteorder v1.2.3 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking inflate v0.4.2 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking deflate v0.7.18 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Compiling quote v0.6.3 [INFO] [stderr] Checking bitflags v1.0.3 [INFO] [stderr] Checking gif v0.10.0 [INFO] [stderr] Compiling syn v0.14.2 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking png v0.12.0 [INFO] [stderr] Checking rayon v1.0.1 [INFO] [stderr] Compiling num-derive v0.2.2 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Checking image v0.19.0 [INFO] [stderr] Checking learn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:23:36 [INFO] [stdout] | [INFO] [stdout] 23 | fn visit_dirs(dir: &Path, cb: &Fn(&DirEntry)) -> io::Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 23 | fn visit_dirs(dir: &Path, cb: &dyn Fn(&DirEntry)) -> io::Result<()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:23:36 [INFO] [stdout] | [INFO] [stdout] 23 | fn visit_dirs(dir: &Path, cb: &Fn(&DirEntry)) -> io::Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 23 | fn visit_dirs(dir: &Path, cb: &dyn Fn(&DirEntry)) -> io::Result<()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.59s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.2 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "a8ffe7ca903e2c7ecfbf485b590bece1343ef31f74e39a7ba872e9db99b5e96c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a8ffe7ca903e2c7ecfbf485b590bece1343ef31f74e39a7ba872e9db99b5e96c", kill_on_drop: false }` [INFO] [stdout] a8ffe7ca903e2c7ecfbf485b590bece1343ef31f74e39a7ba872e9db99b5e96c [INFO] checking koshkin-kna/rust-learn 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%2Fkoshkin-kna%2Frust-learn" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/koshkin-kna/rust-learn 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/koshkin-kna/rust-learn [INFO] finished tweaking git repo https://github.com/koshkin-kna/rust-learn [INFO] tweaked toml for git repo https://github.com/koshkin-kna/rust-learn written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/koshkin-kna/rust-learn 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] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] fff1f1108687f85117cc973cf95c60cd01a582e858c03fc45109dc059dbea1c0 [INFO] running `Command { std: "docker" "start" "-a" "fff1f1108687f85117cc973cf95c60cd01a582e858c03fc45109dc059dbea1c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fff1f1108687f85117cc973cf95c60cd01a582e858c03fc45109dc059dbea1c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fff1f1108687f85117cc973cf95c60cd01a582e858c03fc45109dc059dbea1c0", kill_on_drop: false }` [INFO] [stdout] fff1f1108687f85117cc973cf95c60cd01a582e858c03fc45109dc059dbea1c0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ba7aef95b7c0d27df0584bc65b1e6db6a20577cdce97ce6882e852e275c8bd2b [INFO] running `Command { std: "docker" "start" "-a" "ba7aef95b7c0d27df0584bc65b1e6db6a20577cdce97ce6882e852e275c8bd2b", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling num-traits v0.2.4 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking cfg-if v0.1.3 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking lazy_static v1.0.1 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling num-integer v0.1.38 [INFO] [stderr] Checking libc v0.2.42 [INFO] [stderr] Compiling rayon-core v1.4.0 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Compiling proc-macro2 v0.4.6 [INFO] [stderr] Checking byteorder v1.2.3 [INFO] [stderr] Checking adler32 v1.0.2 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking inflate v0.4.2 [INFO] [stderr] Checking bitflags v1.0.3 [INFO] [stderr] Checking deflate v0.7.18 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Compiling quote v0.6.3 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Compiling syn v0.14.2 [INFO] [stderr] Checking gif v0.10.0 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking png v0.12.0 [INFO] [stderr] Checking rayon v1.0.1 [INFO] [stderr] Compiling num-derive v0.2.2 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Checking image v0.19.0 [INFO] [stderr] Checking learn 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:74:15 [INFO] [stdout] | [INFO] [stdout] 41 | let mut file = match OpenOptions::new() [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 45 | Ok(t) => t, [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 46 | Err(err) => return Err(err.to_string()), [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 47 | }; [INFO] [stdout] 48 | let reader = BufReader::new(file.try_clone().unwrap()); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 49 | let lines_iter = reader.lines(); [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 74 | match file.write(result.as_bytes()) { [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] --> src/lib.rs:74:15 [INFO] [stdout] | [INFO] [stdout] 41 | let mut file = match OpenOptions::new() [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 45 | Ok(t) => t, [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 46 | Err(err) => return Err(err.to_string()), [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 47 | }; [INFO] [stdout] 48 | let reader = BufReader::new(file.try_clone().unwrap()); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 49 | let lines_iter = reader.lines(); [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 74 | match file.write(result.as_bytes()) { [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `learn` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `learn` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "ba7aef95b7c0d27df0584bc65b1e6db6a20577cdce97ce6882e852e275c8bd2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba7aef95b7c0d27df0584bc65b1e6db6a20577cdce97ce6882e852e275c8bd2b", kill_on_drop: false }` [INFO] [stdout] ba7aef95b7c0d27df0584bc65b1e6db6a20577cdce97ce6882e852e275c8bd2b