[INFO] cloning repository https://github.com/Ved-s/smoldata [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ved-s/smoldata" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVed-s%2Fsmoldata", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVed-s%2Fsmoldata'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3266a9c493e3892c01543e6f053ebdb8d7f66bbe [INFO] checking Ved-s/smoldata against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVed-s%2Fsmoldata" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Ved-s/smoldata [INFO] finished tweaking git repo https://github.com/Ved-s/smoldata [INFO] tweaked toml for git repo https://github.com/Ved-s/smoldata written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Ved-s/smoldata 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 git repo https://github.com/Ved-s/smoldata 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6894be39b3b1caf8799aa303ec6cc1e802661b2be7d865927f075ef2b1ab3abd [INFO] running `Command { std: "docker" "start" "-a" "6894be39b3b1caf8799aa303ec6cc1e802661b2be7d865927f075ef2b1ab3abd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6894be39b3b1caf8799aa303ec6cc1e802661b2be7d865927f075ef2b1ab3abd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6894be39b3b1caf8799aa303ec6cc1e802661b2be7d865927f075ef2b1ab3abd", kill_on_drop: false }` [INFO] [stdout] 6894be39b3b1caf8799aa303ec6cc1e802661b2be7d865927f075ef2b1ab3abd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 68982f884f915987849bf7c491a5630032003c148111b07070d818161a7130ae [INFO] running `Command { std: "docker" "start" "-a" "68982f884f915987849bf7c491a5630032003c148111b07070d818161a7130ae", kill_on_drop: false }` [INFO] [stderr] Compiling smoldata v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling proc-macro2 v1.0.94 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.100 [INFO] [stderr] Compiling thiserror-impl v1.0.63 [INFO] [stderr] Compiling smoldata_derive v0.1.0 (/opt/rustwide/workdir/derive) [INFO] [stderr] Checking thiserror v1.0.63 [INFO] [stdout] warning: enum `TagReadError` is never used [INFO] [stdout] --> src/tag.rs:358:10 [INFO] [stdout] | [INFO] [stdout] 358 | pub enum TagReadError { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `InvalidTagError` is never constructed [INFO] [stdout] --> src/tag.rs:368:12 [INFO] [stdout] | [INFO] [stdout] 368 | pub struct InvalidTagError(u8); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Option` is never constructed [INFO] [stdout] --> src/tests.rs:373:16 [INFO] [stdout] | [INFO] [stdout] 373 | struct Option(T); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Data` is never constructed [INFO] [stdout] --> src/tests.rs:377:16 [INFO] [stdout] | [INFO] [stdout] 377 | struct Data { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TestUnitStruct` is never constructed [INFO] [stdout] --> src/tests.rs:428:8 [INFO] [stdout] | [INFO] [stdout] 428 | struct TestUnitStruct; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TestNewtypeStruct` is never constructed [INFO] [stdout] --> src/tests.rs:432:8 [INFO] [stdout] | [INFO] [stdout] 432 | struct TestNewtypeStruct(T); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TestTupleStruct` is never constructed [INFO] [stdout] --> src/tests.rs:436:8 [INFO] [stdout] | [INFO] [stdout] 436 | struct TestTupleStruct(T, TestNewtypeStruct, U); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TestFieldStruct` is never constructed [INFO] [stdout] --> src/tests.rs:440:8 [INFO] [stdout] | [INFO] [stdout] 440 | struct TestFieldStruct { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `TestEnum` is never used [INFO] [stdout] --> src/tests.rs:448:6 [INFO] [stdout] | [INFO] [stdout] 448 | enum TestEnum { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:379:48 [INFO] [stdout] | [INFO] [stdout] 379 | reader::Primitive::U16(v) => match Self::try_from(v) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:431:48 [INFO] [stdout] | [INFO] [stdout] 431 | reader::Primitive::I16(v) => match Self::try_from(v) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/reader.rs:553:21 [INFO] [stdout] | [INFO] [stdout] 553 | pub fn read_tag(&mut self) -> ReadResult { [INFO] [stdout] | ^^^^^^^^^ ^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 553 | pub fn read_tag(&mut self) -> ReadResult> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/reader.rs:557:21 [INFO] [stdout] | [INFO] [stdout] 557 | pub fn peek_tag(&mut self) -> ReadResult<&Tag> { [INFO] [stdout] | ^^^^^^^^^ ^^^^ [INFO] [stdout] | | || [INFO] [stdout] | | |the same lifetime is hidden here [INFO] [stdout] | | the same lifetime is elided here [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 557 | pub fn peek_tag(&mut self) -> ReadResult<&Tag<'_>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `TagReadError` is never used [INFO] [stdout] --> src/tag.rs:358:10 [INFO] [stdout] | [INFO] [stdout] 358 | pub enum TagReadError { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `InvalidTagError` is never constructed [INFO] [stdout] --> src/tag.rs:368:12 [INFO] [stdout] | [INFO] [stdout] 368 | pub struct InvalidTagError(u8); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:379:48 [INFO] [stdout] | [INFO] [stdout] 379 | reader::Primitive::U16(v) => match Self::try_from(v) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:431:48 [INFO] [stdout] | [INFO] [stdout] 431 | reader::Primitive::I16(v) => match Self::try_from(v) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/reader.rs:553:21 [INFO] [stdout] | [INFO] [stdout] 553 | pub fn read_tag(&mut self) -> ReadResult { [INFO] [stdout] | ^^^^^^^^^ ^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 553 | pub fn read_tag(&mut self) -> ReadResult> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/reader.rs:557:21 [INFO] [stdout] | [INFO] [stdout] 557 | pub fn peek_tag(&mut self) -> ReadResult<&Tag> { [INFO] [stdout] | ^^^^^^^^^ ^^^^ [INFO] [stdout] | | || [INFO] [stdout] | | |the same lifetime is hidden here [INFO] [stdout] | | the same lifetime is elided here [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 557 | pub fn peek_tag(&mut self) -> ReadResult<&Tag<'_>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `smoldata` (lib test) due to 2 previous errors; 11 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `smoldata` (lib) due to 2 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "68982f884f915987849bf7c491a5630032003c148111b07070d818161a7130ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68982f884f915987849bf7c491a5630032003c148111b07070d818161a7130ae", kill_on_drop: false }` [INFO] [stdout] 68982f884f915987849bf7c491a5630032003c148111b07070d818161a7130ae