[INFO] fetching crate sign_mail 0.2.2... [INFO] testing sign_mail-0.2.2 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate sign_mail 0.2.2 into /workspace/builds/worker-0-tc2/source [INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain.toml [INFO] started tweaking crates.io crate sign_mail 0.2.2 [INFO] finished tweaking crates.io crate sign_mail 0.2.2 [INFO] tweaked toml for crates.io crate sign_mail 0.2.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate sign_mail 0.2.2 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 63 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 291011bc9e7dae25c6dd3896a3df6a3952edfb26151b09786a502dd84ee570f1 [INFO] running `Command { std: "docker" "start" "-a" "291011bc9e7dae25c6dd3896a3df6a3952edfb26151b09786a502dd84ee570f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "291011bc9e7dae25c6dd3896a3df6a3952edfb26151b09786a502dd84ee570f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "291011bc9e7dae25c6dd3896a3df6a3952edfb26151b09786a502dd84ee570f1", kill_on_drop: false }` [INFO] [stdout] 291011bc9e7dae25c6dd3896a3df6a3952edfb26151b09786a502dd84ee570f1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c945a809bc880b83cc25c98cc90be65d4cb616ef7f59a878a2a6df96e4ea0a5d [INFO] running `Command { std: "docker" "start" "-a" "c945a809bc880b83cc25c98cc90be65d4cb616ef7f59a878a2a6df96e4ea0a5d", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling futures-core v0.3.31 [INFO] [stderr] Compiling parking v2.2.1 [INFO] [stderr] Compiling futures-io v0.3.31 [INFO] [stderr] Compiling fastrand v2.3.0 [INFO] [stderr] Compiling rustix v1.1.2 [INFO] [stderr] Compiling bitflags v2.9.4 [INFO] [stderr] Compiling linux-raw-sys v0.11.0 [INFO] [stderr] Compiling atomic-waker v1.1.2 [INFO] [stderr] Compiling futures-sink v0.3.31 [INFO] [stderr] Compiling async-io v2.6.0 [INFO] [stderr] Compiling memchr v2.7.6 [INFO] [stderr] Compiling async-task v4.7.1 [INFO] [stderr] Compiling futures-task v0.3.31 [INFO] [stderr] Compiling value-bag v1.11.1 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling futures-channel v0.3.31 [INFO] [stderr] Compiling event-listener v2.5.3 [INFO] [stderr] Compiling futures-lite v2.6.1 [INFO] [stderr] Compiling piper v0.2.4 [INFO] [stderr] Compiling log v0.4.28 [INFO] [stderr] Compiling concurrent-queue v2.5.0 [INFO] [stderr] Compiling kv-log-macro v1.0.7 [INFO] [stderr] Compiling event-listener v5.4.1 [INFO] [stderr] Compiling async-channel v1.9.0 [INFO] [stderr] Compiling event-listener-strategy v0.5.4 [INFO] [stderr] Compiling async-channel v2.5.0 [INFO] [stderr] Compiling async-lock v3.4.1 [INFO] [stderr] Compiling async-executor v1.13.3 [INFO] [stderr] Compiling blocking v1.6.2 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling async-trait v0.1.89 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling polling v3.11.0 [INFO] [stderr] Compiling async-global-executor v2.4.1 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling async-std v1.13.2 [INFO] [stderr] Compiling sign_mail v0.2.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.72s [INFO] running `Command { std: "docker" "inspect" "c945a809bc880b83cc25c98cc90be65d4cb616ef7f59a878a2a6df96e4ea0a5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c945a809bc880b83cc25c98cc90be65d4cb616ef7f59a878a2a6df96e4ea0a5d", kill_on_drop: false }` [INFO] [stdout] c945a809bc880b83cc25c98cc90be65d4cb616ef7f59a878a2a6df96e4ea0a5d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7d8b7d060a80d008f31f4f42b5482f49ccea086895e788e893aa948e988c7caa [INFO] running `Command { std: "docker" "start" "-a" "7d8b7d060a80d008f31f4f42b5482f49ccea086895e788e893aa948e988c7caa", kill_on_drop: false }` [INFO] [stderr] Compiling sign_mail v0.2.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.74s [INFO] running `Command { std: "docker" "inspect" "7d8b7d060a80d008f31f4f42b5482f49ccea086895e788e893aa948e988c7caa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d8b7d060a80d008f31f4f42b5482f49ccea086895e788e893aa948e988c7caa", kill_on_drop: false }` [INFO] [stdout] 7d8b7d060a80d008f31f4f42b5482f49ccea086895e788e893aa948e988c7caa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6851166f77b4ad92c9c0679eaf3d1c3f3c6ef05ce07c117ccf2d6af2472348d4 [INFO] running `Command { std: "docker" "start" "-a" "6851166f77b4ad92c9c0679eaf3d1c3f3c6ef05ce07c117ccf2d6af2472348d4", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sign_mail-b35538df46da7a9a) [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 sign_mail [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/server.rs - server::ServerBuilder (line 71) ... FAILED [INFO] [stdout] test src/server.rs - server::ServerHandle (line 168) ... FAILED [INFO] [stdout] test src/server.rs - server::ServerHandle (line 184) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/server.rs - server::ServerBuilder (line 71) stdout ---- [INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks [INFO] [stdout] --> src/server.rs:82:14 [INFO] [stdout] | [INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_server_rs_71_0() { [INFO] [stdout] | ------------------------------------- this is not `async` [INFO] [stdout] ... [INFO] [stdout] 14 | .start().await.unwrap(); [INFO] [stdout] | ^^^^^ only allowed inside `async` functions and blocks [INFO] [stdout] [INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks [INFO] [stdout] --> src/server.rs:84:8 [INFO] [stdout] | [INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_server_rs_71_0() { [INFO] [stdout] | ------------------------------------- this is not `async` [INFO] [stdout] ... [INFO] [stdout] 16 | server.await; [INFO] [stdout] | ^^^^^ only allowed inside `async` functions and blocks [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0728`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/server.rs - server::ServerHandle (line 168) stdout ---- [INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks [INFO] [stdout] --> src/server.rs:179:14 [INFO] [stdout] | [INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_server_rs_168_0() { [INFO] [stdout] | -------------------------------------- this is not `async` [INFO] [stdout] ... [INFO] [stdout] 14 | .start().await.unwrap(); [INFO] [stdout] | ^^^^^ only allowed inside `async` functions and blocks [INFO] [stdout] [INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks [INFO] [stdout] --> src/server.rs:182:8 [INFO] [stdout] | [INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_server_rs_168_0() { [INFO] [stdout] | -------------------------------------- this is not `async` [INFO] [stdout] ... [INFO] [stdout] 17 | server.await.unwrap(); [INFO] [stdout] | ^^^^^ only allowed inside `async` functions and blocks [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/server.rs:177:20 [INFO] [stdout] | [INFO] [stdout] 12 | .event_handler(do_stuff).unwrap() [INFO] [stdout] | ------------- ^^^^^^^^ expected fn pointer, found fn item [INFO] [stdout] | | [INFO] [stdout] | arguments to this method are incorrect [INFO] [stdout] | [INFO] [stdout] = note: expected fn pointer `fn(sign_mail::ConnectionEvent) -> _` [INFO] [stdout] found fn item `fn(sign_mail::ConnectionEvent) -> impl Future {do_stuff}` [INFO] [stdout] note: method defined here [INFO] [stdout] --> /opt/rustwide/workdir/src/server.rs:133:12 [INFO] [stdout] | [INFO] [stdout] 133 | pub fn event_handler(mut self, handler: fn(ConnectionEvent) -> F) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0308, E0728. [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/server.rs - server::ServerHandle (line 184) stdout ---- [INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks [INFO] [stdout] --> src/server.rs:200:14 [INFO] [stdout] | [INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_server_rs_184_0() { [INFO] [stdout] | -------------------------------------- this is not `async` [INFO] [stdout] ... [INFO] [stdout] 19 | .start().await.expect("Couldn't start server!"); [INFO] [stdout] | ^^^^^ only allowed inside `async` functions and blocks [INFO] [stdout] [INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks [INFO] [stdout] --> src/server.rs:203:8 [INFO] [stdout] | [INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_server_rs_184_0() { [INFO] [stdout] | -------------------------------------- this is not `async` [INFO] [stdout] ... [INFO] [stdout] 22 | server.await; [INFO] [stdout] | ^^^^^ only allowed inside `async` functions and blocks [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/server.rs:198:20 [INFO] [stdout] | [INFO] [stdout] 17 | .event_handler(polite_stuff).unwrap() [INFO] [stdout] | ------------- ^^^^^^^^^^^^ expected fn pointer, found fn item [INFO] [stdout] | | [INFO] [stdout] | arguments to this method are incorrect [INFO] [stdout] | [INFO] [stdout] = note: expected fn pointer `fn(sign_mail::ConnectionEvent) -> _` [INFO] [stdout] found fn item `fn(sign_mail::ConnectionEvent) -> impl Future {polite_stuff}` [INFO] [stdout] note: method defined here [INFO] [stdout] --> /opt/rustwide/workdir/src/server.rs:133:12 [INFO] [stdout] | [INFO] [stdout] 133 | pub fn event_handler(mut self, handler: fn(ConnectionEvent) -> F) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0308, E0728. [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/server.rs - server::ServerBuilder (line 71) [INFO] [stdout] src/server.rs - server::ServerHandle (line 168) [INFO] [stdout] src/server.rs - server::ServerHandle (line 184) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "6851166f77b4ad92c9c0679eaf3d1c3f3c6ef05ce07c117ccf2d6af2472348d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6851166f77b4ad92c9c0679eaf3d1c3f3c6ef05ce07c117ccf2d6af2472348d4", kill_on_drop: false }` [INFO] [stdout] 6851166f77b4ad92c9c0679eaf3d1c3f3c6ef05ce07c117ccf2d6af2472348d4