[INFO] fetching crate qanglang-core 0.5.0...
[INFO] checking qanglang-core-0.5.0 against c60b92c03ca8a3b101eb9d57f51e2232690638c7 for pr-164148-crater-rollup
[INFO] extracting crate qanglang-core 0.5.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate qanglang-core 0.5.0
[INFO] finished tweaking crates.io crate qanglang-core 0.5.0
[INFO] tweaked toml for crates.io crate qanglang-core 0.5.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate qanglang-core 0.5.0 on toolchain c60b92c03ca8a3b101eb9d57f51e2232690638c7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate qanglang-core 0.5.0 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" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3453b7b4445d5d1d5dbeac2a13605ed7eef2d4473a688f40e04d1d92fca3358c
[INFO] running `Command { std: "docker" "start" "3453b7b4445d5d1d5dbeac2a13605ed7eef2d4473a688f40e04d1d92fca3358c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3453b7b4445d5d1d5dbeac2a13605ed7eef2d4473a688f40e04d1d92fca3358c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3453b7b4445d5d1d5dbeac2a13605ed7eef2d4473a688f40e04d1d92fca3358c" "/opt/rustwide/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3453b7b4445d5d1d5dbeac2a13605ed7eef2d4473a688f40e04d1d92fca3358c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3453b7b4445d5d1d5dbeac2a13605ed7eef2d4473a688f40e04d1d92fca3358c" "/opt/rustwide/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling phf_macros v0.11.3
[INFO] [stderr]     Checking phf v0.11.3
[INFO] [stderr]     Checking qanglang-core v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `&str` qanglang_core
[INFO] [stdout]    --> src/tests/vm_tests.rs:210:66
[INFO] [stdout]     |
[INFO] [stdout] 210 |         let function_identifier_handle = vm.alloc.strings.intern(identifier.into());
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 210 -         let function_identifier_handle = vm.alloc.strings.intern(identifier.into());
[INFO] [stdout] 210 +         let function_identifier_handle = vm.alloc.strings.intern(identifier);
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 210 -         let function_identifier_handle = vm.alloc.strings.intern(identifier.into());
[INFO] [stdout] 210 +         let function_identifier_handle = vm.alloc.strings.intern(<&str as Into<_>>::into(identifier));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `&str` qanglang_core
[INFO] [stdout]    --> src/tests/vm_tests.rs:249:47
[INFO] [stdout]     |
[INFO] [stdout] 249 |             let foo = vm.alloc.strings.intern("foo".into());
[INFO] [stdout]     |                                               ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 249 -             let foo = vm.alloc.strings.intern("foo".into());
[INFO] [stdout] 249 +             let foo = vm.alloc.strings.intern("foo");
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 249 -             let foo = vm.alloc.strings.intern("foo".into());
[INFO] [stdout] 249 +             let foo = vm.alloc.strings.intern(<&str as Into<_>>::into("foo"));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `qanglang-core` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "3453b7b4445d5d1d5dbeac2a13605ed7eef2d4473a688f40e04d1d92fca3358c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3453b7b4445d5d1d5dbeac2a13605ed7eef2d4473a688f40e04d1d92fca3358c", kill_on_drop: false }`
[INFO] [stdout] 3453b7b4445d5d1d5dbeac2a13605ed7eef2d4473a688f40e04d1d92fca3358c
