[INFO] cloning repository https://github.com/OrangeDrangon/grader [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/OrangeDrangon/grader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOrangeDrangon%2Fgrader", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOrangeDrangon%2Fgrader'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6b0a58d16af42d03568f30b679b22021f98244c9 [INFO] checking OrangeDrangon/grader/6b0a58d16af42d03568f30b679b22021f98244c9 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%2FOrangeDrangon%2Fgrader" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/OrangeDrangon/grader 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/OrangeDrangon/grader [INFO] finished tweaking git repo https://github.com/OrangeDrangon/grader [INFO] tweaked toml for git repo https://github.com/OrangeDrangon/grader written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/OrangeDrangon/grader 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 69177cecc8cf4f18c2fdcf5f6feee91e65d3703330938329be385b1d49f9eb29 [INFO] running `Command { std: "docker" "start" "-a" "69177cecc8cf4f18c2fdcf5f6feee91e65d3703330938329be385b1d49f9eb29", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "69177cecc8cf4f18c2fdcf5f6feee91e65d3703330938329be385b1d49f9eb29", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "69177cecc8cf4f18c2fdcf5f6feee91e65d3703330938329be385b1d49f9eb29", kill_on_drop: false }` [INFO] [stdout] 69177cecc8cf4f18c2fdcf5f6feee91e65d3703330938329be385b1d49f9eb29 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 18f99706d58b4cbf21e576932c548a9b6d493505a1e4b758301e8cc6783e21b5 [INFO] running `Command { std: "docker" "start" "-a" "18f99706d58b4cbf21e576932c548a9b6d493505a1e4b758301e8cc6783e21b5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling unicode-ident v1.0.3 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Checking once_cell v1.14.0 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Compiling futures-core v0.3.24 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Checking bytes v1.2.1 [INFO] [stderr] Compiling lock_api v0.4.8 [INFO] [stderr] Compiling slab v0.4.7 [INFO] [stderr] Compiling futures-task v0.3.24 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking smallvec v1.9.0 [INFO] [stderr] Compiling futures-channel v0.3.24 [INFO] [stderr] Checking futures-sink v0.3.24 [INFO] [stderr] Compiling tokio v1.21.0 [INFO] [stderr] Compiling futures-util v0.3.24 [INFO] [stderr] Checking itoa v1.0.3 [INFO] [stderr] Checking futures-io v0.3.24 [INFO] [stderr] Checking tracing-core v0.1.29 [INFO] [stderr] Compiling indexmap v1.9.1 [INFO] [stderr] Compiling serde_derive v1.0.144 [INFO] [stderr] Compiling openssl v0.10.41 [INFO] [stderr] Compiling serde v1.0.144 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Compiling native-tls v0.2.10 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Checking percent-encoding v2.2.0 [INFO] [stderr] Checking tinyvec v1.6.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking try-lock v0.2.3 [INFO] [stderr] Checking httpdate v1.0.2 [INFO] [stderr] Compiling serde_json v1.0.85 [INFO] [stderr] Checking ryu v1.0.11 [INFO] [stderr] Checking http v0.2.8 [INFO] [stderr] Checking form_urlencoded v1.1.0 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Compiling encoding_rs v0.8.31 [INFO] [stderr] Compiling rustversion v1.0.9 [INFO] [stderr] Checking tracing v0.1.36 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Checking unicode-bidi v0.3.8 [INFO] [stderr] Compiling anyhow v1.0.64 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling openssl-src v111.22.0+1.1.1q [INFO] [stderr] Checking miniz_oxide v0.5.4 [INFO] [stderr] Checking thread_local v1.1.4 [INFO] [stderr] Checking fastrand v1.8.0 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking socket2 v0.4.7 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking mio v0.8.4 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking flate2 v1.0.24 [INFO] [stderr] Checking ipnet v2.5.0 [INFO] [stderr] Checking unicode-normalization v0.1.21 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking tempfile v3.3.0 [INFO] [stderr] Compiling openssl-sys v0.9.75 [INFO] [stderr] Compiling bzip2-sys v0.1.11+1.0.8 [INFO] [stderr] Checking console v0.15.1 [INFO] [stderr] Checking fuzzy-matcher v0.3.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking aho-corasick v0.7.19 [INFO] [stderr] Checking http-body v0.4.5 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Checking zeroize v1.5.7 [INFO] [stderr] Checking dotenv v0.15.0 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking idna v0.3.0 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking dialoguer v0.10.2 [INFO] [stderr] Checking bzip2 v0.4.3 [INFO] [stderr] Checking url v2.3.1 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Compiling futures-macro v0.3.24 [INFO] [stderr] Compiling tokio-macros v1.8.0 [INFO] [stderr] Compiling openssl-macros v0.1.0 [INFO] [stderr] Compiling thiserror-impl v1.0.34 [INFO] [stderr] Compiling strum_macros v0.24.3 [INFO] [stderr] Checking thiserror v1.0.34 [INFO] [stderr] Checking zip v0.5.13 [INFO] [stderr] Checking strum v0.24.1 [INFO] [stderr] Checking zip-extract v0.1.1 [INFO] [stderr] Checking futures-executor v0.3.24 [INFO] [stderr] Checking futures v0.3.24 [INFO] [stderr] Checking tokio-util v0.7.4 [INFO] [stderr] Checking h2 v0.3.14 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking hyper v0.14.20 [INFO] [stderr] Checking tokio-native-tls v0.3.0 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.11 [INFO] [stderr] Checking canvasapi v0.3.0 (https://gitlab.com/kylerosenberg/canvasapi#d9773052) [INFO] [stderr] Checking grader v1.0.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: this function depends on never type fallback being `()` [INFO] [stdout] --> src/main.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 61 | async fn grade(&self) -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #123748 [INFO] [stdout] = help: specify the types explicitly [INFO] [stdout] note: in edition 2024, the requirement `!: FromIterator<()>` will fail [INFO] [stdout] --> src/main.rs:130:24 [INFO] [stdout] | [INFO] [stdout] 130 | .collect::>()?; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this function depends on never type fallback being `()` [INFO] [stdout] --> src/main.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 61 | async fn grade(&self) -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #123748 [INFO] [stdout] = help: specify the types explicitly [INFO] [stdout] note: in edition 2024, the requirement `!: FromIterator<()>` will fail [INFO] [stdout] --> src/main.rs:130:24 [INFO] [stdout] | [INFO] [stdout] 130 | .collect::>()?; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(dependency_on_unit_never_type_fallback)]` 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] --> src/main.rs:82:26 [INFO] [stdout] | [INFO] [stdout] 82 | Lazy::new(|| Regex::new(r"(readme)|(\.c)|(\.h)|(makefile)|(.h)").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] warning: this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to ` as IntoIterator>::into_iter` in Rust 2024 [INFO] [stdout] --> src/main.rs:264:10 [INFO] [stdout] | [INFO] [stdout] 264 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: `#[warn(boxed_slice_into_iter)]` on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 264 | .iter() [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 263 | let user_profiles = IntoIterator::into_iter(user_ids) [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted [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/main.rs:82:26 [INFO] [stdout] | [INFO] [stdout] 82 | Lazy::new(|| Regex::new(r"(readme)|(\.c)|(\.h)|(makefile)|(.h)").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] warning: this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to ` as IntoIterator>::into_iter` in Rust 2024 [INFO] [stdout] --> src/main.rs:264:10 [INFO] [stdout] | [INFO] [stdout] 264 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: `#[warn(boxed_slice_into_iter)]` on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 264 | .iter() [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 263 | let user_profiles = IntoIterator::into_iter(user_ids) [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `grader` (bin "grader") due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `grader` (bin "grader" test) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "18f99706d58b4cbf21e576932c548a9b6d493505a1e4b758301e8cc6783e21b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "18f99706d58b4cbf21e576932c548a9b6d493505a1e4b758301e8cc6783e21b5", kill_on_drop: false }` [INFO] [stdout] 18f99706d58b4cbf21e576932c548a9b6d493505a1e4b758301e8cc6783e21b5