[INFO] fetching crate combination 0.2.2...
[INFO] testing combination-0.2.2 against 1.75.0 for beta-1.76-1
[INFO] extracting crate combination 0.2.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate combination 0.2.2 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate combination 0.2.2
[INFO] finished tweaking crates.io crate combination 0.2.2
[INFO] tweaked toml for crates.io crate combination 0.2.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1379389dac871324a55532a3cfb355ceb03f6bf6affff0e7c43aa7460365109b
[INFO] running `Command { std: "docker" "start" "-a" "1379389dac871324a55532a3cfb355ceb03f6bf6affff0e7c43aa7460365109b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1379389dac871324a55532a3cfb355ceb03f6bf6affff0e7c43aa7460365109b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1379389dac871324a55532a3cfb355ceb03f6bf6affff0e7c43aa7460365109b", kill_on_drop: false }`
[INFO] [stdout] 1379389dac871324a55532a3cfb355ceb03f6bf6affff0e7c43aa7460365109b
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0aac1a301e69242e2dd36ba1137cd2610816611831a7df23909bec56a4534e15
[INFO] running `Command { std: "docker" "start" "-a" "0aac1a301e69242e2dd36ba1137cd2610816611831a7df23909bec56a4534e15", kill_on_drop: false }`
[INFO] [stderr]    Compiling combination v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "0aac1a301e69242e2dd36ba1137cd2610816611831a7df23909bec56a4534e15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0aac1a301e69242e2dd36ba1137cd2610816611831a7df23909bec56a4534e15", kill_on_drop: false }`
[INFO] [stdout] 0aac1a301e69242e2dd36ba1137cd2610816611831a7df23909bec56a4534e15
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae23b2d40b5e4eac03161222689c61d320e78b90187b3b11ce7385a61eaf8c58
[INFO] running `Command { std: "docker" "start" "-a" "ae23b2d40b5e4eac03161222689c61d320e78b90187b3b11ce7385a61eaf8c58", kill_on_drop: false }`
[INFO] [stderr]    Compiling combination v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "ae23b2d40b5e4eac03161222689c61d320e78b90187b3b11ce7385a61eaf8c58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae23b2d40b5e4eac03161222689c61d320e78b90187b3b11ce7385a61eaf8c58", kill_on_drop: false }`
[INFO] [stdout] ae23b2d40b5e4eac03161222689c61d320e78b90187b3b11ce7385a61eaf8c58
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7c7f8e92e5859b03a2a58c894d92329e762794018f3a5813b1ea3a4a226be59a
[INFO] running `Command { std: "docker" "start" "-a" "7c7f8e92e5859b03a2a58c894d92329e762794018f3a5813b1ea3a4a226be59a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/combination-5a561c1420fe5970)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test test::test_combine ... ok
[INFO] [stdout] test test::test_permutation ... ok
[INFO] [stdout] test v2::combine::test::test_combine_with_select ... ok
[INFO] [stdout] test v2::internal::test::test_a ... ok
[INFO] [stdout] test v2::internal::test::test_c ... ok
[INFO] [stdout] test v2::internal::test::test_p ... ok
[INFO] [stdout] test v2::select::test::test_custom_selector ... ok
[INFO] [stdout] test v2::select::test::test_select_from_str_list ... ok
[INFO] [stdout] test v2::test::test_select_from_str_list ... ok
[INFO] [stdout] test v2::all_dislocation::test::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests combination
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/v2/select.rs - v2::select::Selector (line 24) ... FAILED
[INFO] [stdout] test src/v2/combine.rs - v2::combine::Combine::select_mode (line 24) ... FAILED
[INFO] [stdout] test src/v2/all_dislocation.rs - v2::all_dislocation::AllDislocation (line 26) ... FAILED
[INFO] [stdout] test src/v2/all_dislocation.rs - v2::all_dislocation::AllDislocation::select_mode (line 54) ... FAILED
[INFO] [stdout] test src/v2/permutate.rs - v2::permutate::Permutate::select_mode (line 24) ... FAILED
[INFO] [stdout] test src/v2/all_dislocation.rs - v2::all_dislocation::AllDislocation (line 32) ... FAILED
[INFO] [stdout] test src/v2/select.rs - v2::select::Selector (line 46) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 4) ... ok
[INFO] [stdout] test src/combine.rs - combine::from_vec_at (line 47) ... ok
[INFO] [stdout] test src/permutate.rs - permutate::from_vec (line 34) ... ok
[INFO] [stdout] test src/combine.rs - combine::from_vec (line 78) ... ok
[INFO] [stdout] test src/v2/mod.rs - v2 (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/v2/select.rs - v2::select::Selector (line 24) stdout ----
[INFO] [stdout] error[E0405]: cannot find trait `Selector` in this scope
[INFO] [stdout]  --> src/v2/select.rs:27:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Selector for CustomSelector {
[INFO] [stdout]   |      ^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]   |
[INFO] [stdout] 2 + use combination::v2::Selector;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0405`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/v2/combine.rs - v2::combine::Combine::select_mode (line 24) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `crate::v2`
[INFO] [stdout]  --> src/v2/combine.rs:25:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::v2::*;
[INFO] [stdout]   |            ^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            unresolved import
[INFO] [stdout]   |            help: a similar path exists: `combination::v2`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Combine`
[INFO] [stdout]  --> src/v2/combine.rs:26:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | let combine = Combine::new(3, 2);
[INFO] [stdout]   |               ^^^^^^^ use of undeclared type `Combine`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 + use combination::Combine;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use combination::v2::Combine;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/v2/all_dislocation.rs - v2::all_dislocation::AllDislocation (line 26) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `AllDislocation`
[INFO] [stdout]  --> src/v2/all_dislocation.rs:27:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | let a = AllDislocation::new(1);
[INFO] [stdout]   |         ^^^^^^^^^^^^^^ use of undeclared type `AllDislocation`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use combination::v2::AllDislocation;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/v2/all_dislocation.rs - v2::all_dislocation::AllDislocation::select_mode (line 54) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `crate::v2`
[INFO] [stdout]  --> src/v2/all_dislocation.rs:55:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::v2::*;
[INFO] [stdout]   |            ^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            unresolved import
[INFO] [stdout]   |            help: a similar path exists: `combination::v2`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Combine`
[INFO] [stdout]  --> src/v2/all_dislocation.rs:56:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | let combine = Combine::new(3, 2);
[INFO] [stdout]   |               ^^^^^^^ use of undeclared type `Combine`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 + use combination::Combine;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use combination::v2::Combine;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/v2/permutate.rs - v2::permutate::Permutate::select_mode (line 24) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Permutate`
[INFO] [stdout]  --> src/v2/permutate.rs:25:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | let permutate = Permutate::new(3, 2);
[INFO] [stdout]   |                 ^^^^^^^^^ use of undeclared type `Permutate`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 + use combination::Permutate;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use combination::v2::Permutate;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/v2/all_dislocation.rs - v2::all_dislocation::AllDislocation (line 32) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `AllDislocation`
[INFO] [stdout]  --> src/v2/all_dislocation.rs:33:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | let a = AllDislocation::new(2);
[INFO] [stdout]   |         ^^^^^^^^^^^^^^ use of undeclared type `AllDislocation`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use combination::v2::AllDislocation;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/v2/select.rs - v2::select::Selector (line 46) stdout ----
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/v2/select.rs:47:1
[INFO] [stdout]   |
[INFO] [stdout] 2 |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_v2_select_rs_46_0() {
[INFO] [stdout]   |                                                                                - help: try adding a return type: `-> [[&str; 3]; 3]`
[INFO] [stdout] 3 | / [
[INFO] [stdout] 4 | |     ["how", "how", "how"],
[INFO] [stdout] 5 | |     ["are", "are", "are"],
[INFO] [stdout] 6 | |     ["u", "u", "u"]
[INFO] [stdout] 7 | | ]
[INFO] [stdout]   | |_^ expected `()`, found `[[&str; 3]; 3]`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/v2/all_dislocation.rs - v2::all_dislocation::AllDislocation (line 26)
[INFO] [stdout]     src/v2/all_dislocation.rs - v2::all_dislocation::AllDislocation (line 32)
[INFO] [stdout]     src/v2/all_dislocation.rs - v2::all_dislocation::AllDislocation::select_mode (line 54)
[INFO] [stdout]     src/v2/combine.rs - v2::combine::Combine::select_mode (line 24)
[INFO] [stdout]     src/v2/permutate.rs - v2::permutate::Permutate::select_mode (line 24)
[INFO] [stdout]     src/v2/select.rs - v2::select::Selector (line 24)
[INFO] [stdout]     src/v2/select.rs - v2::select::Selector (line 46)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 5 passed; 7 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "7c7f8e92e5859b03a2a58c894d92329e762794018f3a5813b1ea3a4a226be59a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c7f8e92e5859b03a2a58c894d92329e762794018f3a5813b1ea3a4a226be59a", kill_on_drop: false }`
[INFO] [stdout] 7c7f8e92e5859b03a2a58c894d92329e762794018f3a5813b1ea3a4a226be59a
