[INFO] cloning repository https://github.com/weykon/rust-playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/weykon/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweykon%2Frust-playground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweykon%2Frust-playground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] db3c9c20a21ea19b9198bea7a832db8662bbd93e [INFO] checking weykon/rust-playground against master#03eb45452305f2d52348279d0caa5fc1f12c438d for pr-138176 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweykon%2Frust-playground" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/weykon/rust-playground on toolchain 03eb45452305f2d52348279d0caa5fc1f12c438d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/weykon/rust-playground [INFO] finished tweaking git repo https://github.com/weykon/rust-playground [INFO] tweaked toml for git repo https://github.com/weykon/rust-playground written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/weykon/rust-playground 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" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4ff187dae9d748fdc839cb1521a57651fde83eab7cb30fff0a7671834af58696 [INFO] running `Command { std: "docker" "start" "-a" "4ff187dae9d748fdc839cb1521a57651fde83eab7cb30fff0a7671834af58696", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4ff187dae9d748fdc839cb1521a57651fde83eab7cb30fff0a7671834af58696", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ff187dae9d748fdc839cb1521a57651fde83eab7cb30fff0a7671834af58696", kill_on_drop: false }` [INFO] [stdout] 4ff187dae9d748fdc839cb1521a57651fde83eab7cb30fff0a7671834af58696 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4c094ca78178585a6abaa285bf3f3ebd4b9704d9021e9544c0f5a4a172d715bc [INFO] running `Command { std: "docker" "start" "-a" "4c094ca78178585a6abaa285bf3f3ebd4b9704d9021e9544c0f5a4a172d715bc", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.152 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.78 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking bytes v1.6.0 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Compiling serde v1.0.199 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Checking iana-time-zone v0.1.59 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking type_in_dyn_or_static v0.1.0 (/opt/rustwide/workdir/type_in_dyn_or_static) [INFO] [stdout] warning: trait `Animal` is never used [INFO] [stdout] --> type_in_dyn_or_static/src/main.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | trait Animal {} [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `StaticGenericStruct` is never constructed [INFO] [stdout] --> type_in_dyn_or_static/src/main.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | struct StaticGenericStruct(T); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `DynamicStruct` is never constructed [INFO] [stdout] --> type_in_dyn_or_static/src/main.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct DynamicStruct(dyn Animal); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking variant_and_phantomdata v0.1.0 (/opt/rustwide/workdir/variant_and_phantomdata) [INFO] [stdout] warning: unused import: `borrow::Borrow` [INFO] [stdout] --> variant_and_phantomdata/src/cat_dog_animal.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{borrow::Borrow, marker::PhantomData, ops::Deref}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> variant_and_phantomdata/src/negative_try.rs:22:31 [INFO] [stdout] | [INFO] [stdout] 22 | accept_any_animal_shelter(dog_shelter); // 这行会编译错误 [INFO] [stdout] | ------------------------- ^^^^^^^^^^^ expected `AnimalShelter`, found `AnimalShelter` [INFO] [stdout] | | [INFO] [stdout] | arguments to this function are incorrect [INFO] [stdout] | [INFO] [stdout] = note: expected struct `negative_try::AnimalShelter<(dyn negative_try::Animal + 'static)>` [INFO] [stdout] found struct `negative_try::AnimalShelter` [INFO] [stdout] = help: `negative_try::Dog` implements `Animal` so you could box the found value and coerce it to the trait object `Box`, you will have to change the expected type as well [INFO] [stdout] note: function defined here [INFO] [stdout] --> variant_and_phantomdata/src/negative_try.rs:16:4 [INFO] [stdout] | [INFO] [stdout] 16 | fn accept_any_animal_shelter(shelter: AnimalShelter) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ ---------------------------------- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shelter` [INFO] [stdout] --> variant_and_phantomdata/src/cat_dog_animal.rs:16:40 [INFO] [stdout] | [INFO] [stdout] 16 | fn shelter_animal(shelter: AnimalShelter, animal: &T) { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shelter` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `animal` [INFO] [stdout] --> variant_and_phantomdata/src/cat_dog_animal.rs:16:67 [INFO] [stdout] | [INFO] [stdout] 16 | fn shelter_animal(shelter: AnimalShelter, animal: &T) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_animal` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `p` [INFO] [stdout] --> variant_and_phantomdata/src/cat_dog_animal.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | let p = animal.deref(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_p` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `processor` [INFO] [stdout] --> variant_and_phantomdata/src/cat_dog_animal.rs:25:19 [INFO] [stdout] | [INFO] [stdout] 25 | fn process_animal(processor: &AnimalProcessor, animal: &mut dyn Animal) { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_processor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `day_shelter_dog` [INFO] [stdout] --> variant_and_phantomdata/src/cat_dog_animal.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | let day_shelter_dog = TemporaryShelter { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_day_shelter_dog` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `day_shelter_cat` [INFO] [stdout] --> variant_and_phantomdata/src/cat_dog_animal.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | let day_shelter_cat = TemporaryShelter { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_day_shelter_cat` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shelter` [INFO] [stdout] --> variant_and_phantomdata/src/negative_try.rs:16:30 [INFO] [stdout] | [INFO] [stdout] 16 | fn accept_any_animal_shelter(shelter: AnimalShelter) { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shelter` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `processor` [INFO] [stdout] --> variant_and_phantomdata/src/negative_try.rs:34:28 [INFO] [stdout] | [INFO] [stdout] 34 | fn process_specific_animal(processor: AnimalProcessor) { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_processor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `animal` [INFO] [stdout] --> variant_and_phantomdata/src/again.rs:17:25 [INFO] [stdout] | [INFO] [stdout] 17 | fn admit(&mut self, animal: T) {} [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_animal` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `variant_and_phantomdata` (bin "variant_and_phantomdata") due to 1 previous error; 10 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "4c094ca78178585a6abaa285bf3f3ebd4b9704d9021e9544c0f5a4a172d715bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c094ca78178585a6abaa285bf3f3ebd4b9704d9021e9544c0f5a4a172d715bc", kill_on_drop: false }` [INFO] [stdout] 4c094ca78178585a6abaa285bf3f3ebd4b9704d9021e9544c0f5a4a172d715bc