[INFO] fetching crate solution 0.1.1...
[INFO] checking solution-0.1.1 against c60b92c03ca8a3b101eb9d57f51e2232690638c7 for pr-164148-crater-rollup
[INFO] extracting crate solution 0.1.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate solution 0.1.1
[INFO] finished tweaking crates.io crate solution 0.1.1
[INFO] tweaked toml for crates.io crate solution 0.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate solution 0.1.1 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 solution 0.1.1 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" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2b1f8111f2581c3ec1d79a6d88e227d08adbd129430fc5f817ea27964b4b0a0f
[INFO] running `Command { std: "docker" "start" "2b1f8111f2581c3ec1d79a6d88e227d08adbd129430fc5f817ea27964b4b0a0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b1f8111f2581c3ec1d79a6d88e227d08adbd129430fc5f817ea27964b4b0a0f", 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" "2b1f8111f2581c3ec1d79a6d88e227d08adbd129430fc5f817ea27964b4b0a0f" "/opt/rustwide/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b1f8111f2581c3ec1d79a6d88e227d08adbd129430fc5f817ea27964b4b0a0f", 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" "2b1f8111f2581c3ec1d79a6d88e227d08adbd129430fc5f817ea27964b4b0a0f" "/opt/rustwide/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking solution v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/lib.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout]  36 |         $crate::_fake_or_real_block!({todo!($($hint)*)}, $solution)
[INFO] [stdout]     |                                       ---------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 110 |         assert_eq!(a, "asd");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `&str` solution
[INFO] [stdout]   --> src/lib.rs:86:22
[INFO] [stdout]    |
[INFO] [stdout] 86 |         assert!(asdf("&str".into()).ends_with("String"));
[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] 86 -         assert!(asdf("&str".into()).ends_with("String"));
[INFO] [stdout] 86 +         assert!(asdf("&str").ends_with("String"));
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 86 -         assert!(asdf("&str".into()).ends_with("String"));
[INFO] [stdout] 86 +         assert!(asdf(<&str as Into<_>>::into("&str")).ends_with("String"));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `&str` solution
[INFO] [stdout]    --> src/lib.rs:103:25
[INFO] [stdout]     |
[INFO] [stdout] 103 |         assert_eq!(asdf("&str".into()), "&str");
[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] 103 -         assert_eq!(asdf("&str".into()), "&str");
[INFO] [stdout] 103 +         assert_eq!(asdf("&str"), "&str");
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 103 -         assert_eq!(asdf("&str".into()), "&str");
[INFO] [stdout] 103 +         assert_eq!(asdf(<&str as Into<_>>::into("&str")), "&str");
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `solution` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "2b1f8111f2581c3ec1d79a6d88e227d08adbd129430fc5f817ea27964b4b0a0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b1f8111f2581c3ec1d79a6d88e227d08adbd129430fc5f817ea27964b4b0a0f", kill_on_drop: false }`
[INFO] [stdout] 2b1f8111f2581c3ec1d79a6d88e227d08adbd129430fc5f817ea27964b4b0a0f
