[INFO] fetching crate vec_extract_if_polyfill 0.1.0...
[INFO] testing vec_extract_if_polyfill-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate vec_extract_if_polyfill 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate vec_extract_if_polyfill 0.1.0
[INFO] finished tweaking crates.io crate vec_extract_if_polyfill 0.1.0
[INFO] tweaked toml for crates.io crate vec_extract_if_polyfill 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vec_extract_if_polyfill 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b9e1fc26948688e1916edd8aaca677dd4a88a1eef1d80057f9554005f0c1593
[INFO] running `Command { std: "docker" "start" "-a" "4b9e1fc26948688e1916edd8aaca677dd4a88a1eef1d80057f9554005f0c1593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b9e1fc26948688e1916edd8aaca677dd4a88a1eef1d80057f9554005f0c1593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b9e1fc26948688e1916edd8aaca677dd4a88a1eef1d80057f9554005f0c1593", kill_on_drop: false }`
[INFO] [stdout] 4b9e1fc26948688e1916edd8aaca677dd4a88a1eef1d80057f9554005f0c1593
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3345877ebdcee3b3fe30674773ab24553b71a81f46655333ffeef057388e3b1b
[INFO] running `Command { std: "docker" "start" "-a" "3345877ebdcee3b3fe30674773ab24553b71a81f46655333ffeef057388e3b1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling vec_extract_if_polyfill v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:35:22
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn extract_if<F>(&mut self, filter: F) -> ExtractIf<T, F>
[INFO] [stdout]    |                      ^^^^^^^^^                --------------- the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn extract_if<F>(&mut self, filter: F) -> ExtractIf<'_, T, F>
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:41:22
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn extract_if<F>(&mut self, filter: F) -> ExtractIf<T, F>
[INFO] [stdout]    |                      ^^^^^^^^^                --------------- the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn extract_if<F>(&mut self, filter: F) -> ExtractIf<'_, T, F>
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "3345877ebdcee3b3fe30674773ab24553b71a81f46655333ffeef057388e3b1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3345877ebdcee3b3fe30674773ab24553b71a81f46655333ffeef057388e3b1b", kill_on_drop: false }`
[INFO] [stdout] 3345877ebdcee3b3fe30674773ab24553b71a81f46655333ffeef057388e3b1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6085c4c470ac862e10ffd8475cf2c81b8b866aa1d373c5323a592f355c2c6003
[INFO] running `Command { std: "docker" "start" "-a" "6085c4c470ac862e10ffd8475cf2c81b8b866aa1d373c5323a592f355c2c6003", kill_on_drop: false }`
[INFO] [stderr]    Compiling vec_extract_if_polyfill v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:35:22
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn extract_if<F>(&mut self, filter: F) -> ExtractIf<T, F>
[INFO] [stdout]    |                      ^^^^^^^^^                --------------- the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn extract_if<F>(&mut self, filter: F) -> ExtractIf<'_, T, F>
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:41:22
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn extract_if<F>(&mut self, filter: F) -> ExtractIf<T, F>
[INFO] [stdout]    |                      ^^^^^^^^^                --------------- the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn extract_if<F>(&mut self, filter: F) -> ExtractIf<'_, T, F>
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 2 arguments but 1 argument was supplied
[INFO] [stdout]    --> src/lib.rs:158:32
[INFO] [stdout]     |
[INFO] [stdout] 158 |             let mut iter = vec.extract_if(|_| true);
[INFO] [stdout]     |                                ^^^^^^^^^^---------- argument #2 is missing
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/vec/mod.rs:3920:12
[INFO] [stdout] help: provide the argument
[INFO] [stdout]     |
[INFO] [stdout] 158 |             let mut iter = vec.extract_if(|_| true, /* filter */);
[INFO] [stdout]     |                                                   ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `{closure@src/lib.rs:158:43: 158:46}: RangeBounds<usize>` is not satisfied
[INFO] [stdout]    --> src/lib.rs:158:43
[INFO] [stdout]     |
[INFO] [stdout] 158 |             let mut iter = vec.extract_if(|_| true);
[INFO] [stdout]     |                                ---------- ^^^^^^^^ the trait `RangeBounds<usize>` is not implemented for closure `{closure@src/lib.rs:158:43: 158:46}`
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `Vec::<T, A>::extract_if`
[INFO] [stdout]    --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/vec/mod.rs:3920:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 2 arguments but 1 argument was supplied
[INFO] [stdout]    --> src/lib.rs:175:32
[INFO] [stdout]     |
[INFO] [stdout] 175 |             let mut iter = vec.extract_if(|_| true);
[INFO] [stdout]     |                                ^^^^^^^^^^---------- argument #2 is missing
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/vec/mod.rs:3920:12
[INFO] [stdout] help: provide the argument
[INFO] [stdout]     |
[INFO] [stdout] 175 |             let mut iter = vec.extract_if(|_| true, /* filter */);
[INFO] [stdout]     |                                                   ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `{closure@src/lib.rs:175:43: 175:46}: RangeBounds<usize>` is not satisfied
[INFO] [stdout]    --> src/lib.rs:175:43
[INFO] [stdout]     |
[INFO] [stdout] 175 |             let mut iter = vec.extract_if(|_| true);
[INFO] [stdout]     |                                ---------- ^^^^^^^^ the trait `RangeBounds<usize>` is not implemented for closure `{closure@src/lib.rs:175:43: 175:46}`
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `Vec::<T, A>::extract_if`
[INFO] [stdout]    --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/vec/mod.rs:3920:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 2 arguments but 1 argument was supplied
[INFO] [stdout]    --> src/lib.rs:198:32
[INFO] [stdout]     |
[INFO] [stdout] 198 |             let mut iter = vec.extract_if(|_| false);
[INFO] [stdout]     |                                ^^^^^^^^^^----------- argument #2 is missing
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/vec/mod.rs:3920:12
[INFO] [stdout] help: provide the argument
[INFO] [stdout]     |
[INFO] [stdout] 198 |             let mut iter = vec.extract_if(|_| false, /* filter */);
[INFO] [stdout]     |                                                    ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `{closure@src/lib.rs:198:43: 198:46}: RangeBounds<usize>` is not satisfied
[INFO] [stdout]    --> src/lib.rs:198:43
[INFO] [stdout]     |
[INFO] [stdout] 198 |             let mut iter = vec.extract_if(|_| false);
[INFO] [stdout]     |                                ---------- ^^^^^^^^^ the trait `RangeBounds<usize>` is not implemented for closure `{closure@src/lib.rs:198:43: 198:46}`
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `Vec::<T, A>::extract_if`
[INFO] [stdout]    --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/vec/mod.rs:3920:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 2 arguments but 1 argument was supplied
[INFO] [stdout]    --> src/lib.rs:220:32
[INFO] [stdout]     |
[INFO] [stdout] 220 |             let mut iter = vec.extract_if(|_| true);
[INFO] [stdout]     |                                ^^^^^^^^^^---------- argument #2 is missing
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/vec/mod.rs:3920:12
[INFO] [stdout] help: provide the argument
[INFO] [stdout]     |
[INFO] [stdout] 220 |             let mut iter = vec.extract_if(|_| true, /* filter */);
[INFO] [stdout]     |                                                   ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `{closure@src/lib.rs:220:43: 220:46}: RangeBounds<usize>` is not satisfied
[INFO] [stdout]    --> src/lib.rs:220:43
[INFO] [stdout]     |
[INFO] [stdout] 220 |             let mut iter = vec.extract_if(|_| true);
[INFO] [stdout]     |                                ---------- ^^^^^^^^ the trait `RangeBounds<usize>` is not implemented for closure `{closure@src/lib.rs:220:43: 220:46}`
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `Vec::<T, A>::extract_if`
[INFO] [stdout]    --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/vec/mod.rs:3920:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/lib.rs:250:43
[INFO] [stdout]     |
[INFO] [stdout] 250 |             let removed = vec.extract_if(|x| *x % 2 == 0).collect::<Vec<_>>();
[INFO] [stdout]     |                                           ^  -- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]     |
[INFO] [stdout] 250 |             let removed = vec.extract_if(|x: /* Type */| *x % 2 == 0).collect::<Vec<_>>();
[INFO] [stdout]     |                                            ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 2 arguments but 1 argument was supplied
[INFO] [stdout]    --> src/lib.rs:250:31
[INFO] [stdout]     |
[INFO] [stdout] 250 |             let removed = vec.extract_if(|x| *x % 2 == 0).collect::<Vec<_>>();
[INFO] [stdout]     |                               ^^^^^^^^^^----------------- argument #2 is missing
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/vec/mod.rs:3920:12
[INFO] [stdout] help: provide the argument
[INFO] [stdout]     |
[INFO] [stdout] 250 |             let removed = vec.extract_if(|x| *x % 2 == 0, /* filter */).collect::<Vec<_>>();
[INFO] [stdout]     |                                                         ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 2 arguments but 1 argument was supplied
[INFO] [stdout]    --> src/lib.rs:268:31
[INFO] [stdout]     |
[INFO] [stdout] 268 |             let removed = vec.extract_if(|x| *x % 2 == 0).collect::<Vec<_>>();
[INFO] [stdout]     |                               ^^^^^^^^^^----------------- argument #2 is missing
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/vec/mod.rs:3920:12
[INFO] [stdout] help: provide the argument
[INFO] [stdout]     |
[INFO] [stdout] 268 |             let removed = vec.extract_if(|x| *x % 2 == 0, /* filter */).collect::<Vec<_>>();
[INFO] [stdout]     |                                                         ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 2 arguments but 1 argument was supplied
[INFO] [stdout]    --> src/lib.rs:285:31
[INFO] [stdout]     |
[INFO] [stdout] 285 |             let removed = vec.extract_if(|x| *x % 2 == 0).collect::<Vec<_>>();
[INFO] [stdout]     |                               ^^^^^^^^^^----------------- argument #2 is missing
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/vec/mod.rs:3920:12
[INFO] [stdout] help: provide the argument
[INFO] [stdout]     |
[INFO] [stdout] 285 |             let removed = vec.extract_if(|x| *x % 2 == 0, /* filter */).collect::<Vec<_>>();
[INFO] [stdout]     |                                                         ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 2 arguments but 1 argument was supplied
[INFO] [stdout]    --> src/lib.rs:297:31
[INFO] [stdout]     |
[INFO] [stdout] 297 |             let removed = vec.extract_if(|x| *x % 2 == 0).collect::<Vec<_>>();
[INFO] [stdout]     |                               ^^^^^^^^^^----------------- argument #2 is missing
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/vec/mod.rs:3920:12
[INFO] [stdout] help: provide the argument
[INFO] [stdout]     |
[INFO] [stdout] 297 |             let removed = vec.extract_if(|x| *x % 2 == 0, /* filter */).collect::<Vec<_>>();
[INFO] [stdout]     |                                                         ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 2 arguments but 1 argument was supplied
[INFO] [stdout]    --> src/lib.rs:309:31
[INFO] [stdout]     |
[INFO] [stdout] 309 |             let removed = vec.extract_if(|x| *x % 2 == 0).collect::<Vec<_>>();
[INFO] [stdout]     |                               ^^^^^^^^^^----------------- argument #2 is missing
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/vec/mod.rs:3920:12
[INFO] [stdout] help: provide the argument
[INFO] [stdout]     |
[INFO] [stdout] 309 |             let removed = vec.extract_if(|x| *x % 2 == 0, /* filter */).collect::<Vec<_>>();
[INFO] [stdout]     |                                                         ++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::MakeExtractIf`
[INFO] [stdout]    --> src/lib.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 |     use crate::MakeExtractIf;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0277, E0282.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vec_extract_if_polyfill` (lib test) due to 14 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "6085c4c470ac862e10ffd8475cf2c81b8b866aa1d373c5323a592f355c2c6003", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6085c4c470ac862e10ffd8475cf2c81b8b866aa1d373c5323a592f355c2c6003", kill_on_drop: false }`
[INFO] [stdout] 6085c4c470ac862e10ffd8475cf2c81b8b866aa1d373c5323a592f355c2c6003
