[INFO] fetching crate rsmycqu 0.2.1... [INFO] checking rsmycqu-0.2.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate rsmycqu 0.2.1 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate rsmycqu 0.2.1 [INFO] finished tweaking crates.io crate rsmycqu 0.2.1 [INFO] tweaked toml for crates.io crate rsmycqu 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate rsmycqu 0.2.1 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate rsmycqu 0.2.1 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a362f98dde134b6fb48ce249f2412e60ae2118e3c7609f8e4ec7622cbf465f5b [INFO] running `Command { std: "docker" "start" "-a" "a362f98dde134b6fb48ce249f2412e60ae2118e3c7609f8e4ec7622cbf465f5b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a362f98dde134b6fb48ce249f2412e60ae2118e3c7609f8e4ec7622cbf465f5b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a362f98dde134b6fb48ce249f2412e60ae2118e3c7609f8e4ec7622cbf465f5b", kill_on_drop: false }` [INFO] [stdout] a362f98dde134b6fb48ce249f2412e60ae2118e3c7609f8e4ec7622cbf465f5b [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=forbid -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8645f6eed8f9adee2a52902e40228f71e3f849c1cf993c05e90b3ca25e6be2c9 [INFO] running `Command { std: "docker" "start" "-a" "8645f6eed8f9adee2a52902e40228f71e3f849c1cf993c05e90b3ca25e6be2c9", kill_on_drop: false }` [INFO] [stderr] Checking stable_deref_trait v1.2.1 [INFO] [stderr] Compiling syn v2.0.107 [INFO] [stderr] Compiling getrandom v0.2.16 [INFO] [stderr] Compiling typenum v1.19.0 [INFO] [stderr] Compiling openssl-sys v0.9.110 [INFO] [stderr] Compiling phf_shared v0.10.0 [INFO] [stderr] Compiling openssl v0.10.74 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking phf v0.10.1 [INFO] [stderr] Checking deranged v0.5.4 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling cookie v0.18.1 [INFO] [stderr] Compiling litrs v0.4.2 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling regex-automata v0.4.13 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling native-tls v0.2.14 [INFO] [stderr] Compiling document-features v0.2.11 [INFO] [stderr] Checking time v0.3.44 [INFO] [stderr] Compiling rstest_macros v0.26.1 [INFO] [stderr] Checking generic-array v0.14.9 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling const_format_proc_macros v0.2.34 [INFO] [stderr] Checking block-padding v0.3.3 [INFO] [stderr] Checking inout v0.1.4 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Compiling phf_generator v0.10.0 [INFO] [stderr] Compiling phf_generator v0.11.3 [INFO] [stderr] Compiling phf_codegen v0.10.0 [INFO] [stderr] Compiling string_cache_codegen v0.5.4 [INFO] [stderr] Checking cipher v0.4.4 [INFO] [stderr] Checking hybrid-array v0.4.5 [INFO] [stderr] Compiling relative-path v1.9.3 [INFO] [stderr] Compiling markup5ever v0.11.0 [INFO] [stderr] Checking aes v0.8.4 [INFO] [stderr] Checking block-padding v0.4.1 [INFO] [stderr] Checking const_format v0.2.35 [INFO] [stderr] Checking des v0.8.1 [INFO] [stderr] Compiling regex v1.12.2 [INFO] [stderr] Checking ecb v0.1.2 [INFO] [stderr] Checking crypto v0.5.1 [INFO] [stderr] Checking cbc v0.1.2 [INFO] [stderr] Checking futures-timer v3.0.3 [INFO] [stderr] Compiling html5ever v0.26.0 [INFO] [stderr] Compiling synstructure v0.13.2 [INFO] [stderr] Compiling darling_core v0.21.3 [INFO] [stderr] Compiling zerofrom-derive v0.1.6 [INFO] [stderr] Compiling yoke-derive v0.8.0 [INFO] [stderr] Compiling zerovec-derive v0.11.1 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling tokio-macros v2.6.0 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Checking tokio v1.48.0 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Compiling snafu-derive v0.8.9 [INFO] [stderr] Checking zerofrom v0.1.6 [INFO] [stderr] Checking yoke v0.8.0 [INFO] [stderr] Checking zerovec v0.11.4 [INFO] [stderr] Checking zerotrie v0.2.2 [INFO] [stderr] Checking tinystr v0.8.1 [INFO] [stderr] Checking potential_utf v0.1.3 [INFO] [stderr] Checking icu_locale_core v2.0.0 [INFO] [stderr] Checking icu_collections v2.0.0 [INFO] [stderr] Compiling darling_macro v0.21.3 [INFO] [stderr] Compiling darling v0.21.3 [INFO] [stderr] Checking snafu v0.8.9 [INFO] [stderr] Compiling serde_with_macros v3.15.0 [INFO] [stderr] Checking icu_provider v2.0.0 [INFO] [stderr] Checking serde v1.0.228 [INFO] [stderr] Checking icu_normalizer v2.0.0 [INFO] [stderr] Checking icu_properties v2.0.1 [INFO] [stderr] Checking serde_with v3.15.0 [INFO] [stderr] Checking rstest v0.26.1 [INFO] [stderr] Checking string_cache v0.8.9 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking idna_adapter v1.2.1 [INFO] [stderr] Checking tokio-util v0.7.16 [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Checking tower v0.5.2 [INFO] [stderr] Checking idna v1.1.0 [INFO] [stderr] Checking url v2.5.7 [INFO] [stderr] Checking publicsuffix v2.3.0 [INFO] [stderr] Checking tower-http v0.6.6 [INFO] [stderr] Checking h2 v0.4.12 [INFO] [stderr] Checking xml5ever v0.17.0 [INFO] [stderr] Checking cookie_store v0.21.1 [INFO] [stderr] Checking markup5ever_rcdom v0.2.0 [INFO] [stderr] Checking select v0.6.1 [INFO] [stderr] Checking hyper v1.7.0 [INFO] [stderr] Checking hyper-util v0.1.17 [INFO] [stderr] Checking hyper-tls v0.6.0 [INFO] [stderr] Checking reqwest v0.12.24 [INFO] [stderr] Checking rsmycqu v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mycqu/course/course.rs:76:1 [INFO] [stdout] | [INFO] [stdout] 76 | / serde_with::serde_conv!( [INFO] [stdout] 77 | | InstructorVec, [INFO] [stdout] 78 | | String, [INFO] [stdout] 79 | | |name: &String| [name.clone()], [INFO] [stdout] 80 | | |value: Vec| -> Result<_, std::convert::Infallible> { Ok(value.join(",")) } [INFO] [stdout] 81 | | ); [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] = note: this error originates in the macro `$crate::serde_conv` which comes from the expansion of the macro `serde_with::serde_conv` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mycqu/course/course.rs:80:65 [INFO] [stdout] | [INFO] [stdout] 80 | |value: Vec| -> Result<_, std::convert::Infallible> { Ok(value.join(",")) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mycqu/course/course.rs:80:67 [INFO] [stdout] | [INFO] [stdout] 80 | |value: Vec| -> Result<_, std::convert::Infallible> { Ok(value.join(",")) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/mycqu/enroll/enroll_course_timetable.rs:24:1 [INFO] [stdout] | [INFO] [stdout] 24 | / serde_conv!( [INFO] [stdout] 25 | | pub(crate) EnrollCourseTimetableHelper, [INFO] [stdout] 26 | | Vec, [INFO] [stdout] 27 | | |timetable: &Vec| { [INFO] [stdout] ... | [INFO] [stdout] 59 | | ); [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `serde_conv` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/mycqu/enroll/enroll_course_timetable.rs:56:62 [INFO] [stdout] | [INFO] [stdout] 56 | |timetable: &str| -> Result<_, std::convert::Infallible> { [INFO] [stdout] | ______________________________________________________________^ [INFO] [stdout] 57 | | Ok(EnrollCourseTimetable::parse_timetable_str(timetable)) [INFO] [stdout] 58 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/mycqu/enroll/enroll_course_timetable.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | Ok(EnrollCourseTimetable::parse_timetable_str(timetable)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rsmycqu` (lib) due to 6 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mycqu/course/course.rs:76:1 [INFO] [stdout] | [INFO] [stdout] 76 | / serde_with::serde_conv!( [INFO] [stdout] 77 | | InstructorVec, [INFO] [stdout] 78 | | String, [INFO] [stdout] 79 | | |name: &String| [name.clone()], [INFO] [stdout] 80 | | |value: Vec| -> Result<_, std::convert::Infallible> { Ok(value.join(",")) } [INFO] [stdout] 81 | | ); [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] = note: this error originates in the macro `$crate::serde_conv` which comes from the expansion of the macro `serde_with::serde_conv` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mycqu/course/course.rs:80:65 [INFO] [stdout] | [INFO] [stdout] 80 | |value: Vec| -> Result<_, std::convert::Infallible> { Ok(value.join(",")) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mycqu/course/course.rs:80:67 [INFO] [stdout] | [INFO] [stdout] 80 | |value: Vec| -> Result<_, std::convert::Infallible> { Ok(value.join(",")) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/mycqu/enroll/enroll_course_timetable.rs:24:1 [INFO] [stdout] | [INFO] [stdout] 24 | / serde_conv!( [INFO] [stdout] 25 | | pub(crate) EnrollCourseTimetableHelper, [INFO] [stdout] 26 | | Vec, [INFO] [stdout] 27 | | |timetable: &Vec| { [INFO] [stdout] ... | [INFO] [stdout] 59 | | ); [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `serde_conv` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/mycqu/enroll/enroll_course_timetable.rs:56:62 [INFO] [stdout] | [INFO] [stdout] 56 | |timetable: &str| -> Result<_, std::convert::Infallible> { [INFO] [stdout] | ______________________________________________________________^ [INFO] [stdout] 57 | | Ok(EnrollCourseTimetable::parse_timetable_str(timetable)) [INFO] [stdout] 58 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/mycqu/enroll/enroll_course_timetable.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | Ok(EnrollCourseTimetable::parse_timetable_str(timetable)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rsmycqu` (lib test) due to 6 previous errors [INFO] running `Command { std: "docker" "inspect" "8645f6eed8f9adee2a52902e40228f71e3f849c1cf993c05e90b3ca25e6be2c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8645f6eed8f9adee2a52902e40228f71e3f849c1cf993c05e90b3ca25e6be2c9", kill_on_drop: false }` [INFO] [stdout] 8645f6eed8f9adee2a52902e40228f71e3f849c1cf993c05e90b3ca25e6be2c9