[INFO] fetching crate cocoro 0.2.0...
[INFO] testing cocoro-0.2.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate cocoro 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate cocoro 0.2.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate cocoro 0.2.0
[INFO] tweaked toml for crates.io crate cocoro 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cocoro 0.2.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cocoro 0.2.0 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e582fd70bbe71f15ef0da064a3c6644456c31b72522095eb485fb4106c5288b6
[INFO] running `Command { std: "docker" "start" "-a" "e582fd70bbe71f15ef0da064a3c6644456c31b72522095eb485fb4106c5288b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e582fd70bbe71f15ef0da064a3c6644456c31b72522095eb485fb4106c5288b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e582fd70bbe71f15ef0da064a3c6644456c31b72522095eb485fb4106c5288b6", kill_on_drop: false }`
[INFO] [stdout] e582fd70bbe71f15ef0da064a3c6644456c31b72522095eb485fb4106c5288b6
[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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b438ecb884e0de775dbe36c99c81fdf4d9b0bcc9e0d4f57f772b2633c7cbee19
[INFO] running `Command { std: "docker" "start" "-a" "b438ecb884e0de775dbe36c99c81fdf4d9b0bcc9e0d4f57f772b2633c7cbee19", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling cocoro v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "b438ecb884e0de775dbe36c99c81fdf4d9b0bcc9e0d4f57f772b2633c7cbee19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b438ecb884e0de775dbe36c99c81fdf4d9b0bcc9e0d4f57f772b2633c7cbee19", kill_on_drop: false }`
[INFO] [stdout] b438ecb884e0de775dbe36c99c81fdf4d9b0bcc9e0d4f57f772b2633c7cbee19
[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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d8040bb6be51ae5f8ec257f8cb8b6b3386650a62abf8a0800755f79cdc979d8
[INFO] running `Command { std: "docker" "start" "-a" "5d8040bb6be51ae5f8ec257f8cb8b6b3386650a62abf8a0800755f79cdc979d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling cocoro v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Numbers` is never constructed
[INFO] [stdout]   --> examples/simple_weave.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | enum ParseResult {
[INFO] [stdout]    |      ----------- variant in this enum
[INFO] [stdout] 22 |     Words(Vec<String>),
[INFO] [stdout] 23 |     Numbers(Vec<i32>),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseResult` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NumberCollector` is never constructed
[INFO] [stdout]    --> examples/simple_weave.rs:171:8
[INFO] [stdout]     |
[INFO] [stdout] 171 | struct NumberCollector {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AtomParser` is never constructed
[INFO] [stdout]   --> examples/sexpr_parser.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | struct AtomParser(String);
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ListParser` is never constructed
[INFO] [stdout]    --> examples/sexpr_parser.rs:254:8
[INFO] [stdout]     |
[INFO] [stdout] 254 | struct ListParser {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "5d8040bb6be51ae5f8ec257f8cb8b6b3386650a62abf8a0800755f79cdc979d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d8040bb6be51ae5f8ec257f8cb8b6b3386650a62abf8a0800755f79cdc979d8", kill_on_drop: false }`
[INFO] [stdout] 5d8040bb6be51ae5f8ec257f8cb8b6b3386650a62abf8a0800755f79cdc979d8
[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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9c8d911a01a732ecb587cacd60b9bf77603c4aedc36577f81392012c01a79df7
[INFO] running `Command { std: "docker" "start" "-a" "9c8d911a01a732ecb587cacd60b9bf77603c4aedc36577f81392012c01a79df7", kill_on_drop: false }`
[INFO] [stderr] warning: struct `AtomParser` is never constructed
[INFO] [stderr]   --> examples/sexpr_parser.rs:88:8
[INFO] [stderr]    |
[INFO] [stderr] 88 | struct AtomParser(String);
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ListParser` is never constructed
[INFO] [stderr]    --> examples/sexpr_parser.rs:254:8
[INFO] [stderr]     |
[INFO] [stderr] 254 | struct ListParser {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `cocoro` (example "sexpr_parser") generated 2 warnings
[INFO] [stderr] warning: variant `Numbers` is never constructed
[INFO] [stderr]   --> examples/simple_weave.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | enum ParseResult {
[INFO] [stderr]    |      ----------- variant in this enum
[INFO] [stderr] 22 |     Words(Vec<String>),
[INFO] [stderr] 23 |     Numbers(Vec<i32>),
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ParseResult` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `NumberCollector` is never constructed
[INFO] [stderr]    --> examples/simple_weave.rs:171:8
[INFO] [stderr]     |
[INFO] [stderr] 171 | struct NumberCollector {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `cocoro` (example "simple_weave") generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cocoro-43ea037536b302f0)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test test::just_return_just_yield_flatten ... ok
[INFO] [stdout] test test::just_return_just_yield_map_yield_flatten ... ok
[INFO] [stdout] test test::just_yield_i32 ... ok
[INFO] [stdout] test test::just_yield_i32_map_yield ... ok
[INFO] [stdout] test test::just_yield_i32_map_yield_map_twice ... ok
[INFO] [stdout] test test::just_yield_just_yield_i32 ... ok
[INFO] [stdout] test test::test_from_control_flow_immediate_break ... ok
[INFO] [stdout] test test::test_take_fewer_than_available ... ok
[INFO] [stdout] test test::test_take_from_empty_coro_returns ... ok
[INFO] [stdout] test test::test_take_from_empty_coro_yields_nothing ... ok
[INFO] [stdout] test test::test_from_control_flow_non_trivial_types ... ok
[INFO] [stdout] test test::yield_cumulative_length_of_inputs ... ok
[INFO] [stdout] test test::test_from_control_flow_simple_yield ... ok
[INFO] [stdout] test test::test_take_zero_elements ... ok
[INFO] [stdout] test test::test_from_control_flow_yield_then_break ... ok
[INFO] [stdout] test test::test_take_more_than_available ... ok
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-d51c31264e872aaf)
[INFO] [stdout] test test::iota_take_3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test from_iterator ... ok
[INFO] [stdout] test into_iterator ... ok
[INFO] [stdout] test join_just_return_and_just_return ... ok
[INFO] [stdout] test join_just_yield_and_just_yield ... ok
[INFO] [stdout] test join_left_is_empty ... ok
[INFO] [stdout] test join_left_is_longer ... ok
[INFO] [stdout] test join_right_is_empty ... ok
[INFO] [stdout] test test_weave_cps_basic ... ok
[INFO] [stdout] test test_weave_cps_with_flat_map ... ok
[INFO] [stdout] test test_weave_cps_with_flatten ... ok
[INFO] [stdout] test join_right_is_longer ... ok
[INFO] [stdout] test test_complex_flat_map_compilation ... ok
[INFO] [stdout] test test_complex_weave_cps_without_flat_map ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cocoro
[INFO] [stdout] 
[INFO] [stdout] running 35 tests
[INFO] [stdout] test src/coro.rs - coro::Coro::assert_returns (line 435) ... ok
[INFO] [stdout] test src/coro.rs - coro::Coro::assert_yields (line 376) ... ok
[INFO] [stdout] test src/coro.rs - coro::Coro::assert_yields (line 393) ... ok
[INFO] [stdout] test src/coro.rs - coro::Coro::contramap_input (line 271) ... ok
[INFO] [stdout] test src/coro.rs - coro::Coro::feed_with (line 638) ... ok
[INFO] [stdout] test src/coro.rs - coro::Coro::join (line 901) ... ok
[INFO] [stdout] test src/coro.rs - coro::Coro::compose (line 564) ... ok
[INFO] [stdout] test src/coro.rs - coro::Coro::for_each (line 720) ... ok
[INFO] [stdout] test src/coro.rs - coro::Coro::flatten (line 313) ... ok
[INFO] [stdout] test src/coro.rs - coro::Coro::flat_map (line 338) ... ok
[INFO] [stdout] test src/coro.rs - coro::Coro::bootstrap (line 838) ... ok
[INFO] [stdout] test src/coro.rs - coro::Coro::map_return (line 240) ... ok
[INFO] [stdout] test src/coro.rs - coro::Coro::take (line 510) ... ok
[INFO] [stdout] test src/coro.rs - coro::Coro::zip (line 788) ... ok
[INFO] [stdout] test src/from_control_flow.rs - from_control_flow::from_control_flow (line 30) ... ok
[INFO] [stdout] test src/coro.rs - coro::Coro::returns (line 163) ... ok
[INFO] [stdout] test src/coro.rs - coro::Coro::map_yield (line 196) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test src/coro.rs - coro::Coro::yields (line 108) ... ok
[INFO] [stdout] test src/coro.rs - coro::Coro::zip (line 761) ... ok
[INFO] [stdout] test src/lib.rs - (line 203) ... ok
[INFO] [stdout] test src/lib.rs - (line 121) ... ok
[INFO] [stdout] test src/from_fn.rs - from_fn::from_fn (line 38) ... ok
[INFO] [stdout] test src/fixed_point.rs - fixed_point::FixedPointCoro (line 17) ... ok
[INFO] [stdout] test src/weave.rs - weave::weave (line 155) ... ok
[INFO] [stdout] test src/weave.rs - weave::weave (line 193) ... ok
[INFO] [stdout] test src/weave.rs - weave::weave (line 43) ... ok
[INFO] [stdout] test src/void.rs - void::Void (line 16) ... ok
[INFO] [stdout] test src/lib.rs - (line 136) ... ok
[INFO] [stdout] test src/recursive.rs - recursive::recursive (line 52) ... ok
[INFO] [stdout] test src/weave.rs - weave::weave_cps (line 286) ... ok
[INFO] [stdout] test src/lib.rs - (line 49) ... ok
[INFO] [stdout] test src/weave.rs - weave::weave (line 81) ... ok
[INFO] [stdout] test src/lib.rs - (line 79) ... ok
[INFO] [stdout] test src/with_state.rs - with_state::with_state (line 87) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/with_state.rs - with_state::with_state (line 62) - compile fail ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 1.34s; merged doctests compilation took 1.15s
[INFO] running `Command { std: "docker" "inspect" "9c8d911a01a732ecb587cacd60b9bf77603c4aedc36577f81392012c01a79df7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c8d911a01a732ecb587cacd60b9bf77603c4aedc36577f81392012c01a79df7", kill_on_drop: false }`
[INFO] [stdout] 9c8d911a01a732ecb587cacd60b9bf77603c4aedc36577f81392012c01a79df7