[INFO] fetching crate case 1.0.0...
[INFO] checking case-1.0.0 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] extracting crate case 1.0.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate case 1.0.0 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate case 1.0.0
[INFO] finished tweaking crates.io crate case 1.0.0
[INFO] tweaked toml for crates.io crate case 1.0.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5eb4d0db7728ba1fe3217d0c7ee6d456f4593f8e94cdea2e3bce909978b0c4e7
[INFO] running `Command { std: "docker" "start" "-a" "5eb4d0db7728ba1fe3217d0c7ee6d456f4593f8e94cdea2e3bce909978b0c4e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5eb4d0db7728ba1fe3217d0c7ee6d456f4593f8e94cdea2e3bce909978b0c4e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5eb4d0db7728ba1fe3217d0c7ee6d456f4593f8e94cdea2e3bce909978b0c4e7", kill_on_drop: false }`
[INFO] [stdout] 5eb4d0db7728ba1fe3217d0c7ee6d456f4593f8e94cdea2e3bce909978b0c4e7
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19a021b16b521b7f92b1d09e4a66fda5c9594e4e56e7de244ac0bfe74c2ac904
[INFO] running `Command { std: "docker" "start" "-a" "19a021b16b521b7f92b1d09e4a66fda5c9594e4e56e7de244ac0bfe74c2ac904", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking case v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> benches/bench.rs:31:15
[INFO] [stdout]    |
[INFO] [stdout] 31 |     b.iter(|| CaseExt::to_lowercase("MY favorite STRING"));
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 31 |     b.iter(|| <dyn CaseExt>::to_lowercase("MY favorite STRING"));
[INFO] [stdout]    |               ++++        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0191]: the value of the associated type `Owned` in `CaseExt` must be specified
[INFO] [stdout]   --> benches/bench.rs:31:15
[INFO] [stdout]    |
[INFO] [stdout] 31 |     b.iter(|| CaseExt::to_lowercase("MY favorite STRING"));
[INFO] [stdout]    |               ^^^^^^^ help: specify the associated type: `CaseExt::<Owned = Type>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `to_lowercase` found for trait object `dyn CaseExt` in the current scope
[INFO] [stdout]   --> benches/bench.rs:31:24
[INFO] [stdout]    |
[INFO] [stdout] 31 |     b.iter(|| CaseExt::to_lowercase("MY favorite STRING"));
[INFO] [stdout]    |                        ^^^^^^^^^^^^ function or associated item not found in `dyn CaseExt`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `to_camel_lowercase` with a similar name, but with different arguments
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn to_camel_lowercase(&self) -> Self::Owned;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> benches/bench.rs:36:15
[INFO] [stdout]    |
[INFO] [stdout] 36 |     b.iter(|| CaseExt::to_uppercase("my_favorite_string"));
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 36 |     b.iter(|| <dyn CaseExt>::to_uppercase("my_favorite_string"));
[INFO] [stdout]    |               ++++        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0191]: the value of the associated type `Owned` in `CaseExt` must be specified
[INFO] [stdout]   --> benches/bench.rs:36:15
[INFO] [stdout]    |
[INFO] [stdout] 36 |     b.iter(|| CaseExt::to_uppercase("my_favorite_string"));
[INFO] [stdout]    |               ^^^^^^^ help: specify the associated type: `CaseExt::<Owned = Type>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `to_uppercase` found for trait object `dyn CaseExt` in the current scope
[INFO] [stdout]   --> benches/bench.rs:36:24
[INFO] [stdout]    |
[INFO] [stdout] 36 |     b.iter(|| CaseExt::to_uppercase("my_favorite_string"));
[INFO] [stdout]    |                        ^^^^^^^^^^^^ function or associated item not found in `dyn CaseExt`
[INFO] [stdout]    |
[INFO] [stdout] help: there is an associated function `to_vec` with a similar name
[INFO] [stdout]   --> /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/alloc/src/slice.rs:117:9
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0191, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0191`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `case` (bench "bench") due to 5 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "19a021b16b521b7f92b1d09e4a66fda5c9594e4e56e7de244ac0bfe74c2ac904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19a021b16b521b7f92b1d09e4a66fda5c9594e4e56e7de244ac0bfe74c2ac904", kill_on_drop: false }`
[INFO] [stdout] 19a021b16b521b7f92b1d09e4a66fda5c9594e4e56e7de244ac0bfe74c2ac904