[INFO] fetching crate semester 1.0.3... [INFO] testing semester-1.0.3 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate semester 1.0.3 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate semester 1.0.3 [INFO] finished tweaking crates.io crate semester 1.0.3 [INFO] tweaked toml for crates.io crate semester 1.0.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate semester 1.0.3 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 10 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7b982429e65a306b71ba511b10abf2f4340551e926ca72ccb850e5f560287fb6 [INFO] running `Command { std: "docker" "start" "-a" "7b982429e65a306b71ba511b10abf2f4340551e926ca72ccb850e5f560287fb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7b982429e65a306b71ba511b10abf2f4340551e926ca72ccb850e5f560287fb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b982429e65a306b71ba511b10abf2f4340551e926ca72ccb850e5f560287fb6", kill_on_drop: false }` [INFO] [stdout] 7b982429e65a306b71ba511b10abf2f4340551e926ca72ccb850e5f560287fb6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1741f7c271420571cdb97ddf9df945457801cdb2ba286ed1ac3e1ec4359a7b49 [INFO] running `Command { std: "docker" "start" "-a" "1741f7c271420571cdb97ddf9df945457801cdb2ba286ed1ac3e1ec4359a7b49", kill_on_drop: false }` [INFO] [stderr] Compiling quote v1.0.41 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling joinery v3.1.0 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling semester-macro v2.0.2 [INFO] [stderr] Compiling semester v1.0.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/lib.rs:290:5 [INFO] [stdout] | [INFO] [stdout] 290 | #[must_use] [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] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/lib.rs:297:5 [INFO] [stdout] | [INFO] [stdout] 297 | #[must_use] [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] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/lib.rs:303:5 [INFO] [stdout] | [INFO] [stdout] 303 | #[must_use] [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] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/lib.rs:309:5 [INFO] [stdout] | [INFO] [stdout] 309 | #[must_use] [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] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/lib.rs:346:5 [INFO] [stdout] | [INFO] [stdout] 346 | #[must_use] [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] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/lib.rs:352:5 [INFO] [stdout] | [INFO] [stdout] 352 | #[must_use] [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] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.35s [INFO] running `Command { std: "docker" "inspect" "1741f7c271420571cdb97ddf9df945457801cdb2ba286ed1ac3e1ec4359a7b49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1741f7c271420571cdb97ddf9df945457801cdb2ba286ed1ac3e1ec4359a7b49", kill_on_drop: false }` [INFO] [stdout] 1741f7c271420571cdb97ddf9df945457801cdb2ba286ed1ac3e1ec4359a7b49 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d171e1d9146dbec39598b1a055cd4852410b12ad24fdfb630f0973ee2a5257b9 [INFO] running `Command { std: "docker" "start" "-a" "d171e1d9146dbec39598b1a055cd4852410b12ad24fdfb630f0973ee2a5257b9", kill_on_drop: false }` [INFO] [stderr] Compiling indent_write v2.2.0 [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/lib.rs:290:5 [INFO] [stdout] | [INFO] [stdout] 290 | #[must_use] [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] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/lib.rs:297:5 [INFO] [stdout] | [INFO] [stdout] 297 | #[must_use] [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] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/lib.rs:303:5 [INFO] [stdout] | [INFO] [stdout] 303 | #[must_use] [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] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/lib.rs:309:5 [INFO] [stdout] | [INFO] [stdout] 309 | #[must_use] [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] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/lib.rs:346:5 [INFO] [stdout] | [INFO] [stdout] 346 | #[must_use] [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] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/lib.rs:352:5 [INFO] [stdout] | [INFO] [stdout] 352 | #[must_use] [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] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling cool_asserts v2.0.3 [INFO] [stderr] Compiling semester v1.0.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/lib.rs:290:5 [INFO] [stdout] | [INFO] [stdout] 290 | #[must_use] [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] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/lib.rs:297:5 [INFO] [stdout] | [INFO] [stdout] 297 | #[must_use] [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] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/lib.rs:303:5 [INFO] [stdout] | [INFO] [stdout] 303 | #[must_use] [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] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/lib.rs:309:5 [INFO] [stdout] | [INFO] [stdout] 309 | #[must_use] [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] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/lib.rs:346:5 [INFO] [stdout] | [INFO] [stdout] 346 | #[must_use] [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] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/lib.rs:352:5 [INFO] [stdout] | [INFO] [stdout] 352 | #[must_use] [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] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.06s [INFO] running `Command { std: "docker" "inspect" "d171e1d9146dbec39598b1a055cd4852410b12ad24fdfb630f0973ee2a5257b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d171e1d9146dbec39598b1a055cd4852410b12ad24fdfb630f0973ee2a5257b9", kill_on_drop: false }` [INFO] [stdout] d171e1d9146dbec39598b1a055cd4852410b12ad24fdfb630f0973ee2a5257b9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ff16169221e7b208119d95b619cb25838c14fcc175a317dafe24c88b6c236cca [INFO] running `Command { std: "docker" "start" "-a" "ff16169221e7b208119d95b619cb25838c14fcc175a317dafe24c88b6c236cca", kill_on_drop: false }` [INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stderr] --> src/lib.rs:290:5 [INFO] [stderr] | [INFO] [stderr] 290 | #[must_use] [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 a future release! [INFO] [stderr] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stderr] = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stderr] --> src/lib.rs:297:5 [INFO] [stderr] | [INFO] [stderr] 297 | #[must_use] [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 a future release! [INFO] [stderr] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stderr] [INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stderr] --> src/lib.rs:303:5 [INFO] [stderr] | [INFO] [stderr] 303 | #[must_use] [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 a future release! [INFO] [stderr] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stderr] [INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stderr] --> src/lib.rs:309:5 [INFO] [stderr] | [INFO] [stderr] 309 | #[must_use] [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 a future release! [INFO] [stderr] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stderr] [INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stderr] --> src/lib.rs:346:5 [INFO] [stderr] | [INFO] [stderr] 346 | #[must_use] [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 a future release! [INFO] [stderr] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stderr] [INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stderr] --> src/lib.rs:352:5 [INFO] [stderr] | [INFO] [stderr] 352 | #[must_use] [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 a future release! [INFO] [stderr] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stderr] [INFO] [stderr] warning: `semester` (lib) generated 6 warnings (run `cargo fix --lib -p semester` to apply 6 suggestions) [INFO] [stderr] warning: `semester` (lib test) generated 6 warnings (6 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/semester-7f84667a95de09b5) [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] [stderr] Running tests/test.rs (/opt/rustwide/target/debug/deps/test-a1d2d48c4996aed1) [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test test_all_conditional ... ok [INFO] [stdout] test test_static_classes ... ok [INFO] [stdout] test test_static_commas ... ok [INFO] [stdout] test test_dynamic_classes ... ok [INFO] [stdout] test test_dynamic_no_alloc ... ok [INFO] [stdout] test test_fixed_dynamic ... ok [INFO] [stdout] test test_dynamic_str ... ok [INFO] [stdout] test test_dynamic_commas ... ok [INFO] [stderr] Doc-tests semester [INFO] [stdout] test test_fixed_static ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test src/lib.rs - (line 80) - compile fail ... ok [INFO] [stdout] test src/lib.rs - (line 72) - compile fail ... ok [INFO] [stdout] test src/lib.rs - (line 97) - compile fail ... ok [INFO] [stdout] test src/lib.rs - (line 88) - compile fail ... ok [INFO] [stdout] test src/lib.rs - (line 64) - compile fail ... ok [INFO] [stdout] test src/lib.rs - (line 21) ... ok [INFO] [stdout] test src/lib.rs - classes (line 147) ... ok [INFO] [stdout] test src/lib.rs - static_classes (line 190) ... ok [INFO] [stdout] test src/lib.rs - (line 35) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.52s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "ff16169221e7b208119d95b619cb25838c14fcc175a317dafe24c88b6c236cca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff16169221e7b208119d95b619cb25838c14fcc175a317dafe24c88b6c236cca", kill_on_drop: false }` [INFO] [stdout] ff16169221e7b208119d95b619cb25838c14fcc175a317dafe24c88b6c236cca