[INFO] fetching crate lambda-types 0.2.1...
[INFO] testing lambda-types-0.2.1 against 1.90.0 for beta-1.91-2
[INFO] extracting crate lambda-types 0.2.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate lambda-types 0.2.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate lambda-types 0.2.1
[INFO] tweaked toml for crates.io crate lambda-types 0.2.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lambda-types 0.2.1 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[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] 8a6d1e1b3a326bce0adcb9e36747772c0b07778b5d58994ff879f7e56a9d2fa3
[INFO] running `Command { std: "docker" "start" "-a" "8a6d1e1b3a326bce0adcb9e36747772c0b07778b5d58994ff879f7e56a9d2fa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a6d1e1b3a326bce0adcb9e36747772c0b07778b5d58994ff879f7e56a9d2fa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a6d1e1b3a326bce0adcb9e36747772c0b07778b5d58994ff879f7e56a9d2fa3", kill_on_drop: false }`
[INFO] [stdout] 8a6d1e1b3a326bce0adcb9e36747772c0b07778b5d58994ff879f7e56a9d2fa3
[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] 5a01aff7057d4010c35ff04bb52cbfa2769e59b2b9eef2e90252ae2eb0cfca38
[INFO] running `Command { std: "docker" "start" "-a" "5a01aff7057d4010c35ff04bb52cbfa2769e59b2b9eef2e90252ae2eb0cfca38", kill_on_drop: false }`
[INFO] [stderr]    Compiling lambda-types v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Function`
[INFO] [stdout]  --> src/math.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Function,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "5a01aff7057d4010c35ff04bb52cbfa2769e59b2b9eef2e90252ae2eb0cfca38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a01aff7057d4010c35ff04bb52cbfa2769e59b2b9eef2e90252ae2eb0cfca38", kill_on_drop: false }`
[INFO] [stdout] 5a01aff7057d4010c35ff04bb52cbfa2769e59b2b9eef2e90252ae2eb0cfca38
[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] 3787f849c7305c00b444a98494e73a8003efc709c7ba3f1fca611987d0fab440
[INFO] running `Command { std: "docker" "start" "-a" "3787f849c7305c00b444a98494e73a8003efc709c7ba3f1fca611987d0fab440", kill_on_drop: false }`
[INFO] [stderr]    Compiling lambda-types v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Function`
[INFO] [stdout]  --> src/math.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Function,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `One` is never used
[INFO] [stdout]   --> tests/static-test.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | type One = call!{ Successor, Zero };
[INFO] [stdout]    |      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Two` is never used
[INFO] [stdout]   --> tests/static-test.rs:14:6
[INFO] [stdout]    |
[INFO] [stdout] 14 | type Two = call!{ Successor, One };
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Three` is never used
[INFO] [stdout]   --> tests/static-test.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 15 | type Three = call!{ Successor, Two };
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Four` is never used
[INFO] [stdout]   --> tests/static-test.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | type Four = call!{ Successor, Three };
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Function`
[INFO] [stdout]  --> src/math.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Function,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "3787f849c7305c00b444a98494e73a8003efc709c7ba3f1fca611987d0fab440", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3787f849c7305c00b444a98494e73a8003efc709c7ba3f1fca611987d0fab440", kill_on_drop: false }`
[INFO] [stdout] 3787f849c7305c00b444a98494e73a8003efc709c7ba3f1fca611987d0fab440
[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", kill_on_drop: false }`
[INFO] [stdout] 9622121ccab6c00b98e7402a3cc29cade87537e961cdaa60baa801c52e93183c
[INFO] running `Command { std: "docker" "start" "-a" "9622121ccab6c00b98e7402a3cc29cade87537e961cdaa60baa801c52e93183c", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Function`
[INFO] [stderr]  --> src/math.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Function,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `lambda-types` (lib) generated 1 warning (run `cargo fix --lib -p lambda-types` to apply 1 suggestion)
[INFO] [stderr] warning: type alias `One` is never used
[INFO] [stderr]   --> tests/static-test.rs:13:6
[INFO] [stderr]    |
[INFO] [stderr] 13 | type One = call!{ Successor, Zero };
[INFO] [stderr]    |      ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Two` is never used
[INFO] [stderr]   --> tests/static-test.rs:14:6
[INFO] [stderr]    |
[INFO] [stderr] 14 | type Two = call!{ Successor, One };
[INFO] [stderr]    |      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Three` is never used
[INFO] [stderr]   --> tests/static-test.rs:15:6
[INFO] [stderr]    |
[INFO] [stderr] 15 | type Three = call!{ Successor, Two };
[INFO] [stderr]    |      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Four` is never used
[INFO] [stderr]   --> tests/static-test.rs:16:6
[INFO] [stderr]    |
[INFO] [stderr] 16 | type Four = call!{ Successor, Three };
[INFO] [stderr]    |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `lambda-types` (test "static-test") generated 4 warnings
[INFO] [stderr] warning: `lambda-types` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lambda_types-38413800fb6fc713)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test datatypes::t ... ok
[INFO] [stdout] test math::test::main ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/static-test.rs (/opt/rustwide/target/debug/deps/static_test-df4c6d6bd3fc3e5e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lambda_types
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:1:50
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![cfg_attr(any(doc, feature = "const-numeral"), feature(generic_const_exprs))]
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stderr]  --> src/lib.rs:1:58
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![cfg_attr(any(doc, feature = "const-numeral"), feature(generic_const_exprs))]
[INFO] [stderr]   |                                                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
[INFO] [stderr]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --color auto --crate-name lambda_types --test src/lib.rs --test-run-directory /opt/rustwide/workdir -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern lambda_types=/opt/rustwide/target/debug/deps/liblambda_types-2c56dc2b5c89d368.rlib --extern paste=/opt/rustwide/target/debug/deps/libpaste-40bd7c91ca63769b.so -C embed-bitcode=no --cfg 'feature="default"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("const-numeral", "default"))' --cap-lints=warn --error-format human` (exit status: 1)
[INFO] [stderr] note: test exited abnormally; to see the full output pass --nocapture to the harness.
[INFO] running `Command { std: "docker" "inspect" "9622121ccab6c00b98e7402a3cc29cade87537e961cdaa60baa801c52e93183c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9622121ccab6c00b98e7402a3cc29cade87537e961cdaa60baa801c52e93183c", kill_on_drop: false }`
[INFO] [stdout] 9622121ccab6c00b98e7402a3cc29cade87537e961cdaa60baa801c52e93183c
