[INFO] fetching crate vec_extract_if_polyfill 0.1.0...
[INFO] testing vec_extract_if_polyfill-0.1.0 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate vec_extract_if_polyfill 0.1.0 into /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vec_extract_if_polyfill 0.1.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a8a7bb9d17e68d877f46733f52d550ca87c47d5d36ead1a2e567e940980c0b83
[INFO] running `Command { std: "docker" "start" "a8a7bb9d17e68d877f46733f52d550ca87c47d5d36ead1a2e567e940980c0b83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8a7bb9d17e68d877f46733f52d550ca87c47d5d36ead1a2e567e940980c0b83", 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" "a8a7bb9d17e68d877f46733f52d550ca87c47d5d36ead1a2e567e940980c0b83" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8a7bb9d17e68d877f46733f52d550ca87c47d5d36ead1a2e567e940980c0b83", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a8a7bb9d17e68d877f46733f52d550ca87c47d5d36ead1a2e567e940980c0b83" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", 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 0.17s
[INFO] running `Command { std: "docker" "inspect" "a8a7bb9d17e68d877f46733f52d550ca87c47d5d36ead1a2e567e940980c0b83", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a8a7bb9d17e68d877f46733f52d550ca87c47d5d36ead1a2e567e940980c0b83" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", 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/dfb0accb7f508ae8be965d8629557221c889dd98/library/alloc/src/vec/mod.rs:4279:11
[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/dfb0accb7f508ae8be965d8629557221c889dd98/library/alloc/src/vec/mod.rs:4279:4
[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/dfb0accb7f508ae8be965d8629557221c889dd98/library/alloc/src/vec/mod.rs:4279:11
[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/dfb0accb7f508ae8be965d8629557221c889dd98/library/alloc/src/vec/mod.rs:4279:4
[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/dfb0accb7f508ae8be965d8629557221c889dd98/library/alloc/src/vec/mod.rs:4279:11
[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/dfb0accb7f508ae8be965d8629557221c889dd98/library/alloc/src/vec/mod.rs:4279:4
[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/dfb0accb7f508ae8be965d8629557221c889dd98/library/alloc/src/vec/mod.rs:4279:11
[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/dfb0accb7f508ae8be965d8629557221c889dd98/library/alloc/src/vec/mod.rs:4279:4
[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/dfb0accb7f508ae8be965d8629557221c889dd98/library/alloc/src/vec/mod.rs:4279:11
[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/dfb0accb7f508ae8be965d8629557221c889dd98/library/alloc/src/vec/mod.rs:4279:11
[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/dfb0accb7f508ae8be965d8629557221c889dd98/library/alloc/src/vec/mod.rs:4279:11
[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/dfb0accb7f508ae8be965d8629557221c889dd98/library/alloc/src/vec/mod.rs:4279:11
[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/dfb0accb7f508ae8be965d8629557221c889dd98/library/alloc/src/vec/mod.rs:4279:11
[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)]` (part of `#[warn(unused)]`) 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" "a8a7bb9d17e68d877f46733f52d550ca87c47d5d36ead1a2e567e940980c0b83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8a7bb9d17e68d877f46733f52d550ca87c47d5d36ead1a2e567e940980c0b83", kill_on_drop: false }`
[INFO] [stdout] a8a7bb9d17e68d877f46733f52d550ca87c47d5d36ead1a2e567e940980c0b83
