[INFO] fetching crate unicode-casefold 0.2.0...
[INFO] checking unicode-casefold-0.2.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate unicode-casefold 0.2.0 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate unicode-casefold 0.2.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unicode-casefold 0.2.0
[INFO] finished tweaking crates.io crate unicode-casefold 0.2.0
[INFO] tweaked toml for crates.io crate unicode-casefold 0.2.0 written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 527fc4aa7c02a092f8bbaaf3b03630b608ad544aaa2eefc2051564392cff18cb
[INFO] running `Command { std: "docker" "start" "-a" "527fc4aa7c02a092f8bbaaf3b03630b608ad544aaa2eefc2051564392cff18cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "527fc4aa7c02a092f8bbaaf3b03630b608ad544aaa2eefc2051564392cff18cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "527fc4aa7c02a092f8bbaaf3b03630b608ad544aaa2eefc2051564392cff18cb", kill_on_drop: false }`
[INFO] [stdout] 527fc4aa7c02a092f8bbaaf3b03630b608ad544aaa2eefc2051564392cff18cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e152d8ad1bbbc287dcc710894c8a2cd08a8ed456d183ef9bcf184837f7e183dd
[INFO] running `Command { std: "docker" "start" "-a" "e152d8ad1bbbc287dcc710894c8a2cd08a8ed456d183ef9bcf184837f7e183dd", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-casefold v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/lib.rs:156:29
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn case_fold_with(self, Variant, Locale) -> CaseFold<I>;
[INFO] [stdout]     |                             ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Variant`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/lib.rs:156:38
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn case_fold_with(self, Variant, Locale) -> CaseFold<I>;
[INFO] [stdout]     |                                      ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Locale`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/lib.rs:156:29
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn case_fold_with(self, Variant, Locale) -> CaseFold<I>;
[INFO] [stdout]     |                             ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Variant`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/lib.rs:156:38
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn case_fold_with(self, Variant, Locale) -> CaseFold<I>;
[INFO] [stdout]     |                                      ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Locale`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e152d8ad1bbbc287dcc710894c8a2cd08a8ed456d183ef9bcf184837f7e183dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e152d8ad1bbbc287dcc710894c8a2cd08a8ed456d183ef9bcf184837f7e183dd", kill_on_drop: false }`
[INFO] [stdout] e152d8ad1bbbc287dcc710894c8a2cd08a8ed456d183ef9bcf184837f7e183dd