[INFO] fetching crate jsonschema-valid-compat 0.4.1-alpha.2...
[INFO] checking jsonschema-valid-compat-0.4.1-alpha.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate jsonschema-valid-compat 0.4.1-alpha.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate jsonschema-valid-compat 0.4.1-alpha.2 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jsonschema-valid-compat 0.4.1-alpha.2
[INFO] finished tweaking crates.io crate jsonschema-valid-compat 0.4.1-alpha.2
[INFO] tweaked toml for crates.io crate jsonschema-valid-compat 0.4.1-alpha.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate jsonschema-valid-compat 0.4.1-alpha.2 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded iri-string v0.3.0
[INFO] [stderr]   Downloaded syn v1.0.67
[INFO] [stderr]   Downloaded json-ptr v0.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b09da808b43a948c4c990c7686835cb007ce906e8dfa44da05882ca49258271b
[INFO] running `Command { std: "docker" "start" "-a" "b09da808b43a948c4c990c7686835cb007ce906e8dfa44da05882ca49258271b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b09da808b43a948c4c990c7686835cb007ce906e8dfa44da05882ca49258271b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b09da808b43a948c4c990c7686835cb007ce906e8dfa44da05882ca49258271b", kill_on_drop: false }`
[INFO] [stdout] b09da808b43a948c4c990c7686835cb007ce906e8dfa44da05882ca49258271b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 608fb91864a0baa711b00328e48aa0aab65fd66f020eb56676b879b5a82dd3dd
[INFO] running `Command { std: "docker" "start" "-a" "608fb91864a0baa711b00328e48aa0aab65fd66f020eb56676b879b5a82dd3dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]     Checking iri-string v0.3.0
[INFO] [stderr]     Checking json-ptr v0.3.5
[INFO] [stderr]     Checking jsonschema-valid-compat v0.4.1-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/error.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | extern crate serde_json;
[INFO] [stdout]    | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `textwrap` is imported redundantly
[INFO] [stdout]   --> src/error.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | use textwrap;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:41:1
[INFO] [stdout]    |
[INFO] [stdout] 41 | extern crate textwrap;
[INFO] [stdout]    | ---------------------- the item `textwrap` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `url` is imported redundantly
[INFO] [stdout]   --> src/error.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | use url;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | extern crate url;
[INFO] [stdout]    | ----------------- the item `url` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `regex` is imported redundantly
[INFO] [stdout]   --> src/validators.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use regex;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | extern crate regex;
[INFO] [stdout]    | ------------------- the item `regex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/error.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | extern crate serde_json;
[INFO] [stdout]    | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `textwrap` is imported redundantly
[INFO] [stdout]   --> src/error.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | use textwrap;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:41:1
[INFO] [stdout]    |
[INFO] [stdout] 41 | extern crate textwrap;
[INFO] [stdout]    | ---------------------- the item `textwrap` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `url` is imported redundantly
[INFO] [stdout]   --> src/error.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | use url;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | extern crate url;
[INFO] [stdout]    | ----------------- the item `url` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `regex` is imported redundantly
[INFO] [stdout]   --> src/validators.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use regex;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | extern crate regex;
[INFO] [stdout]    | ------------------- the item `regex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.10s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "608fb91864a0baa711b00328e48aa0aab65fd66f020eb56676b879b5a82dd3dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "608fb91864a0baa711b00328e48aa0aab65fd66f020eb56676b879b5a82dd3dd", kill_on_drop: false }`
[INFO] [stdout] 608fb91864a0baa711b00328e48aa0aab65fd66f020eb56676b879b5a82dd3dd
[INFO] checking jsonschema-valid-compat-0.4.1-alpha.2 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate jsonschema-valid-compat 0.4.1-alpha.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate jsonschema-valid-compat 0.4.1-alpha.2 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jsonschema-valid-compat 0.4.1-alpha.2
[INFO] finished tweaking crates.io crate jsonschema-valid-compat 0.4.1-alpha.2
[INFO] tweaked toml for crates.io crate jsonschema-valid-compat 0.4.1-alpha.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate jsonschema-valid-compat 0.4.1-alpha.2 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9ba1b12b0177f4137770f889b9c54fc5c15e98214499abcc2a70ae12533d683
[INFO] running `Command { std: "docker" "start" "-a" "f9ba1b12b0177f4137770f889b9c54fc5c15e98214499abcc2a70ae12533d683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9ba1b12b0177f4137770f889b9c54fc5c15e98214499abcc2a70ae12533d683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9ba1b12b0177f4137770f889b9c54fc5c15e98214499abcc2a70ae12533d683", kill_on_drop: false }`
[INFO] [stdout] f9ba1b12b0177f4137770f889b9c54fc5c15e98214499abcc2a70ae12533d683
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf8e7efe9334227dd9771df053e1402338628e2a99501e2aee9b5b8334a88561
[INFO] running `Command { std: "docker" "start" "-a" "bf8e7efe9334227dd9771df053e1402338628e2a99501e2aee9b5b8334a88561", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]     Checking iri-string v0.3.0
[INFO] [stderr]     Checking json-ptr v0.3.5
[INFO] [stderr]     Checking jsonschema-valid-compat v0.4.1-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/error.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | extern crate serde_json;
[INFO] [stdout]    | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `textwrap` is imported redundantly
[INFO] [stdout]   --> src/error.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | use textwrap;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:41:1
[INFO] [stdout]    |
[INFO] [stdout] 41 | extern crate textwrap;
[INFO] [stdout]    | ---------------------- the item `textwrap` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `url` is imported redundantly
[INFO] [stdout]   --> src/error.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | use url;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | extern crate url;
[INFO] [stdout]    | ----------------- the item `url` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `regex` is imported redundantly
[INFO] [stdout]   --> src/validators.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use regex;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | extern crate regex;
[INFO] [stdout]    | ------------------- the item `regex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/error.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | extern crate serde_json;
[INFO] [stdout]    | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `textwrap` is imported redundantly
[INFO] [stdout]   --> src/error.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | use textwrap;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:41:1
[INFO] [stdout]    |
[INFO] [stdout] 41 | extern crate textwrap;
[INFO] [stdout]    | ---------------------- the item `textwrap` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `url` is imported redundantly
[INFO] [stdout]   --> src/error.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | use url;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | extern crate url;
[INFO] [stdout]    | ----------------- the item `url` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `regex` is imported redundantly
[INFO] [stdout]   --> src/validators.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use regex;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | extern crate regex;
[INFO] [stdout]    | ------------------- the item `regex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.20s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "bf8e7efe9334227dd9771df053e1402338628e2a99501e2aee9b5b8334a88561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf8e7efe9334227dd9771df053e1402338628e2a99501e2aee9b5b8334a88561", kill_on_drop: false }`
[INFO] [stdout] bf8e7efe9334227dd9771df053e1402338628e2a99501e2aee9b5b8334a88561