[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] testing OrangeDrangon/grader against try#16fbf98f22730e073c09e7b03f0eafb87a295545 for pr-145628-retry-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOrangeDrangon%2Fgrader" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [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-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/OrangeDrangon/grader on toolchain 16fbf98f22730e073c09e7b03f0eafb87a295545 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 33b3dbc6a100968a46d201b7fb02a587b99848d09c16f72954d530fbb4789c38 [INFO] running `Command { std: "docker" "start" "-a" "33b3dbc6a100968a46d201b7fb02a587b99848d09c16f72954d530fbb4789c38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "33b3dbc6a100968a46d201b7fb02a587b99848d09c16f72954d530fbb4789c38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33b3dbc6a100968a46d201b7fb02a587b99848d09c16f72954d530fbb4789c38", kill_on_drop: false }` [INFO] [stdout] 33b3dbc6a100968a46d201b7fb02a587b99848d09c16f72954d530fbb4789c38 [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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6186a44c450d88c69c61b255e6fd1366dd267f6012b655818371767836fa2099 [INFO] running `Command { std: "docker" "start" "-a" "6186a44c450d88c69c61b255e6fd1366dd267f6012b655818371767836fa2099", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling unicode-ident v1.0.3 [INFO] [stderr] Compiling quote v1.0.21 [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] Compiling once_cell v1.14.0 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling pin-project-lite v0.2.9 [INFO] [stderr] Compiling futures-core v0.3.24 [INFO] [stderr] Compiling lock_api v0.4.8 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Compiling openssl-src v111.22.0+1.1.1q [INFO] [stderr] Compiling slab v0.4.7 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling bytes v1.2.1 [INFO] [stderr] Compiling futures-task v0.3.24 [INFO] [stderr] Compiling futures-channel v0.3.24 [INFO] [stderr] Compiling smallvec v1.9.0 [INFO] [stderr] Compiling futures-sink v0.3.24 [INFO] [stderr] Compiling openssl-sys v0.9.75 [INFO] [stderr] Compiling tokio v1.21.0 [INFO] [stderr] Compiling itoa v1.0.3 [INFO] [stderr] Compiling futures-util v0.3.24 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling socket2 v0.4.7 [INFO] [stderr] Compiling mio v0.8.4 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling futures-io v0.3.24 [INFO] [stderr] Compiling 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 http v0.2.8 [INFO] [stderr] Compiling tracing v0.1.36 [INFO] [stderr] Compiling tinyvec_macros v0.1.0 [INFO] [stderr] Compiling serde v1.0.144 [INFO] [stderr] Compiling native-tls v0.2.10 [INFO] [stderr] Compiling httparse v1.8.0 [INFO] [stderr] Compiling hashbrown v0.12.3 [INFO] [stderr] Compiling tinyvec v1.6.0 [INFO] [stderr] Compiling bzip2-sys v0.1.11+1.0.8 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling try-lock v0.2.3 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling percent-encoding v2.2.0 [INFO] [stderr] Compiling openssl-probe v0.1.5 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Compiling form_urlencoded v1.1.0 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling unicode-normalization v0.1.21 [INFO] [stderr] Compiling http-body v0.4.5 [INFO] [stderr] Compiling futures v0.1.31 [INFO] [stderr] Compiling unicode-bidi v0.3.8 [INFO] [stderr] Compiling rustversion v1.0.9 [INFO] [stderr] Compiling ryu v1.0.11 [INFO] [stderr] Compiling httpdate v1.0.2 [INFO] [stderr] Compiling serde_json v1.0.85 [INFO] [stderr] Compiling encoding_rs v0.8.31 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling tower-service v0.3.2 [INFO] [stderr] Compiling miniz_oxide v0.5.4 [INFO] [stderr] Compiling idna v0.3.0 [INFO] [stderr] Compiling anyhow v1.0.64 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling flate2 v1.0.24 [INFO] [stderr] Compiling bzip2 v0.4.3 [INFO] [stderr] Compiling url v2.3.1 [INFO] [stderr] Compiling terminal_size v0.1.17 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling thread_local v1.1.4 [INFO] [stderr] Compiling ipnet v2.5.0 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling fastrand v1.8.0 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling base64 v0.13.0 [INFO] [stderr] Compiling mime v0.3.16 [INFO] [stderr] Compiling tempfile v3.3.0 [INFO] [stderr] Compiling console v0.15.1 [INFO] [stderr] Compiling fuzzy-matcher v0.3.7 [INFO] [stderr] Compiling aho-corasick v0.7.19 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling zeroize v1.5.7 [INFO] [stderr] Compiling regex-syntax v0.6.27 [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] Compiling dialoguer v0.10.2 [INFO] [stderr] Compiling thiserror v1.0.34 [INFO] [stderr] Compiling zip v0.5.13 [INFO] [stderr] Compiling strum v0.24.1 [INFO] [stderr] Compiling regex v1.6.0 [INFO] [stderr] Compiling colored v2.0.0 [INFO] [stderr] Compiling zip-extract v0.1.1 [INFO] [stderr] Compiling futures-executor v0.3.24 [INFO] [stderr] Compiling futures v0.3.24 [INFO] [stderr] Compiling tokio-util v0.7.4 [INFO] [stderr] Compiling h2 v0.3.14 [INFO] [stderr] Compiling serde_urlencoded v0.7.1 [INFO] [stderr] Compiling hyper v0.14.20 [INFO] [stderr] Compiling tokio-native-tls v0.3.0 [INFO] [stderr] Compiling hyper-tls v0.5.0 [INFO] [stderr] Compiling reqwest v0.11.11 [INFO] [stderr] Compiling canvasapi v0.3.0 (https://gitlab.com/kylerosenberg/canvasapi#d9773052) [INFO] [stderr] Compiling 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 Rust 2024 and in a future release in all editions! [INFO] [stdout] = note: for more information, see [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)]` (part of `#[warn(rust_2024_compatibility)]`) on by default [INFO] [stdout] help: use `()` annotations to avoid fallback changes [INFO] [stdout] | [INFO] [stdout] 130 - .collect::>()?; [INFO] [stdout] 130 + .collect::>()?; [INFO] [stdout] | [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: for more information, see [INFO] [stdout] = note: `#[warn(boxed_slice_into_iter)]` (part of `#[warn(rust_2024_compatibility)]`) on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 264 - .into_iter() [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 = user_ids [INFO] [stdout] 263 + let user_profiles = IntoIterator::into_iter(user_ids) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 10s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: grader v1.0.4 (/opt/rustwide/workdir) [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" "6186a44c450d88c69c61b255e6fd1366dd267f6012b655818371767836fa2099", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6186a44c450d88c69c61b255e6fd1366dd267f6012b655818371767836fa2099", kill_on_drop: false }` [INFO] [stdout] 6186a44c450d88c69c61b255e6fd1366dd267f6012b655818371767836fa2099 [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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cc195320cd666fa6873131a3cbeea6cda1fffe9f0b6850a34f109ab0099c83c2 [INFO] running `Command { std: "docker" "start" "-a" "cc195320cd666fa6873131a3cbeea6cda1fffe9f0b6850a34f109ab0099c83c2", kill_on_drop: false }` [INFO] [stderr] Compiling 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 Rust 2024 and in a future release in all editions! [INFO] [stdout] = note: for more information, see [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)]` (part of `#[warn(rust_2024_compatibility)]`) on by default [INFO] [stdout] help: use `()` annotations to avoid fallback changes [INFO] [stdout] | [INFO] [stdout] 130 - .collect::>()?; [INFO] [stdout] 130 + .collect::>()?; [INFO] [stdout] | [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: for more information, see [INFO] [stdout] = note: `#[warn(boxed_slice_into_iter)]` (part of `#[warn(rust_2024_compatibility)]`) on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 264 - .into_iter() [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 = user_ids [INFO] [stdout] 263 + let user_profiles = IntoIterator::into_iter(user_ids) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.78s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: grader v1.0.4 (/opt/rustwide/workdir) [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" "cc195320cd666fa6873131a3cbeea6cda1fffe9f0b6850a34f109ab0099c83c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc195320cd666fa6873131a3cbeea6cda1fffe9f0b6850a34f109ab0099c83c2", kill_on_drop: false }` [INFO] [stdout] cc195320cd666fa6873131a3cbeea6cda1fffe9f0b6850a34f109ab0099c83c2 [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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e3617ec7c962f9767a2315defc33d6565580baacc6684c5cd79a423b9fc32d8f [INFO] running `Command { std: "docker" "start" "-a" "e3617ec7c962f9767a2315defc33d6565580baacc6684c5cd79a423b9fc32d8f", kill_on_drop: false }` [INFO] [stderr] warning: this function depends on never type fallback being `()` [INFO] [stderr] --> src/main.rs:61:5 [INFO] [stderr] | [INFO] [stderr] 61 | async fn grade(&self) -> Result<(), Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions! [INFO] [stderr] = note: for more information, see [INFO] [stderr] = help: specify the types explicitly [INFO] [stderr] note: in edition 2024, the requirement `!: FromIterator<()>` will fail [INFO] [stderr] --> src/main.rs:130:24 [INFO] [stderr] | [INFO] [stderr] 130 | .collect::>()?; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] = note: `#[warn(dependency_on_unit_never_type_fallback)]` (part of `#[warn(rust_2024_compatibility)]`) on by default [INFO] [stderr] help: use `()` annotations to avoid fallback changes [INFO] [stderr] | [INFO] [stderr] 130 - .collect::>()?; [INFO] [stderr] 130 + .collect::>()?; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] 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] [stderr] --> src/main.rs:264:10 [INFO] [stderr] | [INFO] [stderr] 264 | .into_iter() [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this changes meaning in Rust 2024 [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: `#[warn(boxed_slice_into_iter)]` (part of `#[warn(rust_2024_compatibility)]`) on by default [INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stderr] | [INFO] [stderr] 264 - .into_iter() [INFO] [stderr] 264 + .iter() [INFO] [stderr] | [INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stderr] | [INFO] [stderr] 263 - let user_profiles = user_ids [INFO] [stderr] 263 + let user_profiles = IntoIterator::into_iter(user_ids) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `grader` (bin "grader" test) generated 2 warnings (run `cargo fix --bin "grader" --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: grader v1.0.4 (/opt/rustwide/workdir) [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/grader-97ee8b401ca3f630) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "e3617ec7c962f9767a2315defc33d6565580baacc6684c5cd79a423b9fc32d8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3617ec7c962f9767a2315defc33d6565580baacc6684c5cd79a423b9fc32d8f", kill_on_drop: false }` [INFO] [stdout] e3617ec7c962f9767a2315defc33d6565580baacc6684c5cd79a423b9fc32d8f