[INFO] fetching crate dialectic-macro 0.1.0...
[INFO] testing dialectic-macro-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate dialectic-macro 0.1.0 into /workspace/builds/worker-49/source
[INFO] validating manifest of crates.io crate dialectic-macro 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dialectic-macro 0.1.0
[INFO] finished tweaking crates.io crate dialectic-macro 0.1.0
[INFO] tweaked toml for crates.io crate dialectic-macro 0.1.0 written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 103b3af97281763fc2b6823a82453bd2ea4f09871476ebd34e1c7ffc5b483428
[INFO] running `Command { std: "docker" "start" "-a" "103b3af97281763fc2b6823a82453bd2ea4f09871476ebd34e1c7ffc5b483428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "103b3af97281763fc2b6823a82453bd2ea4f09871476ebd34e1c7ffc5b483428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "103b3af97281763fc2b6823a82453bd2ea4f09871476ebd34e1c7ffc5b483428", kill_on_drop: false }`
[INFO] [stdout] 103b3af97281763fc2b6823a82453bd2ea4f09871476ebd34e1c7ffc5b483428
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc718a2afd1faed9d45f67bbcab8c22b938ca28ad62456b8a1b690ecf19abe89
[INFO] running `Command { std: "docker" "start" "-a" "bc718a2afd1faed9d45f67bbcab8c22b938ca28ad62456b8a1b690ecf19abe89", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling thunderdome v0.4.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling dialectic-compiler v0.1.0
[INFO] [stderr]    Compiling dialectic-macro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.97s
[INFO] running `Command { std: "docker" "inspect" "bc718a2afd1faed9d45f67bbcab8c22b938ca28ad62456b8a1b690ecf19abe89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc718a2afd1faed9d45f67bbcab8c22b938ca28ad62456b8a1b690ecf19abe89", kill_on_drop: false }`
[INFO] [stdout] bc718a2afd1faed9d45f67bbcab8c22b938ca28ad62456b8a1b690ecf19abe89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 581a2a0fb9d65e87ecdfed26502884e1d4cf3289dae3dd609be35fd161a8470a
[INFO] running `Command { std: "docker" "start" "-a" "581a2a0fb9d65e87ecdfed26502884e1d4cf3289dae3dd609be35fd161a8470a", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling dialectic v0.4.1
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling call-by v0.2.3
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling dialectic-macro v0.1.0
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling dialectic-tokio-mpsc v0.1.0
[INFO] [stderr]    Compiling dialectic-macro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 46.31s
[INFO] running `Command { std: "docker" "inspect" "581a2a0fb9d65e87ecdfed26502884e1d4cf3289dae3dd609be35fd161a8470a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "581a2a0fb9d65e87ecdfed26502884e1d4cf3289dae3dd609be35fd161a8470a", kill_on_drop: false }`
[INFO] [stdout] 581a2a0fb9d65e87ecdfed26502884e1d4cf3289dae3dd609be35fd161a8470a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d7dc33bfd766186caf473110bd0cef57f818193a596efaa9f3fe8bcfbe677871
[INFO] running `Command { std: "docker" "start" "-a" "d7dc33bfd766186caf473110bd0cef57f818193a596efaa9f3fe8bcfbe677871", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dialectic_macro-77171a92642f9b84)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/loop_break_scope.rs (/opt/rustwide/target/debug/deps/loop_break_scope-b8a50e793b40cd5a)
[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] [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]      Running tests/loop_choose_empty.rs (/opt/rustwide/target/debug/deps/loop_choose_empty-3f5a93e02896d231)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lots_of_jumps.rs (/opt/rustwide/target/debug/deps/lots_of_jumps-89e22143851c8d8a)
[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] [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]      Running tests/optional_terminators.rs (/opt/rustwide/target/debug/deps/optional_terminators-4c1c900767c06a56)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dialectic-macro
[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] warning: lint `broken_intra_doc_links` has been renamed to `rustdoc::broken_intra_doc_links`
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![forbid(broken_intra_doc_links)]
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `rustdoc::broken_intra_doc_links`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test src/lib.rs - Receiver (line 748) ... ignored
[INFO] [stdout] test src/lib.rs - Transmitter (line 639) ... ignored
[INFO] [stdout] test src/lib.rs - Receiver (line 707) ... ok
[INFO] [stdout] test src/lib.rs - offer (line 273) ... FAILED
[INFO] [stdout] test src/lib.rs - Session (line 204) ... ok
[INFO] [stdout] test src/lib.rs - Transmitter (line 613) ... ok
[INFO] [stdout] test src/lib.rs - Session (line 150) ... ok
[INFO] [stdout] test src/lib.rs - Receiver (line 755) ... ok
[INFO] [stdout] test src/lib.rs - Session (line 80) ... ok
[INFO] [stdout] test src/lib.rs - Session (line 105) ... ok
[INFO] [stdout] test src/lib.rs - Session (line 183) ... ok
[INFO] [stdout] test src/lib.rs - Receiver (line 731) ... ok
[INFO] [stdout] test src/lib.rs - Transmitter (line 646) ... ok
[INFO] [stdout] test src/lib.rs - Session (line 41) ... ok
[INFO] [stdout] test src/lib.rs - Session (line 55) ... ok
[INFO] [stdout] test src/lib.rs - Transmitter (line 588) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - offer (line 273) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: could not find `main` in `tokio`
[INFO] [stdout]  --> src/lib.rs:277:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[tokio::main]
[INFO] [stdout]   |          ^^^^ could not find `main` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `spawn` in crate `tokio`
[INFO] [stdout]   --> src/lib.rs:289:17
[INFO] [stdout]    |
[INFO] [stdout] 17 | let t1 = tokio::spawn(async move {
[INFO] [stdout]    |                 ^^^^^ not found in `tokio`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 2  | use std::thread::spawn;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0752]: `main` function is not allowed to be `async`
[INFO] [stdout]  --> src/lib.rs:278:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | async fn main() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `main` function is not allowed to be `async`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433, E0752.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - offer (line 273)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 13 passed; 1 failed; 2 ignored; 0 measured; 0 filtered out; finished in 1.06s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "d7dc33bfd766186caf473110bd0cef57f818193a596efaa9f3fe8bcfbe677871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7dc33bfd766186caf473110bd0cef57f818193a596efaa9f3fe8bcfbe677871", kill_on_drop: false }`
[INFO] [stdout] d7dc33bfd766186caf473110bd0cef57f818193a596efaa9f3fe8bcfbe677871