[INFO] fetching crate sign_mail 0.2.2...
[INFO] testing sign_mail-0.2.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate sign_mail 0.2.2 into /workspace/builds/worker-0-tc1/source
[INFO] removed /workspace/builds/worker-0-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sign_mail 0.2.2 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 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded async-lock v3.4.1
[INFO] [stderr]   Downloaded async-std v1.13.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 94bbddf4c7fe575800cdb88a816708eeb2e1b082550423b08bafe9e27dacee95
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[INFO] running `Command { std: "docker" "inspect" "94bbddf4c7fe575800cdb88a816708eeb2e1b082550423b08bafe9e27dacee95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94bbddf4c7fe575800cdb88a816708eeb2e1b082550423b08bafe9e27dacee95", kill_on_drop: false }`
[INFO] [stdout] 94bbddf4c7fe575800cdb88a816708eeb2e1b082550423b08bafe9e27dacee95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6def6e9c0d059ee70fbce126d39efce41f25c42ae56f896d14e9c3ea7f7289e1
[INFO] running `Command { std: "docker" "start" "-a" "6def6e9c0d059ee70fbce126d39efce41f25c42ae56f896d14e9c3ea7f7289e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling futures-core v0.3.31
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[INFO] [stderr]    Compiling memchr v2.7.6
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[INFO] [stderr]    Compiling syn v2.0.106
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[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
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[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
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[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling sign_mail v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.81s
[INFO] running `Command { std: "docker" "inspect" "6def6e9c0d059ee70fbce126d39efce41f25c42ae56f896d14e9c3ea7f7289e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6def6e9c0d059ee70fbce126d39efce41f25c42ae56f896d14e9c3ea7f7289e1", kill_on_drop: false }`
[INFO] [stdout] 6def6e9c0d059ee70fbce126d39efce41f25c42ae56f896d14e9c3ea7f7289e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 985f4ce230d66ff5c3dfe646cacd077404655ceb0eee553e44853748ec8772ec
[INFO] running `Command { std: "docker" "start" "-a" "985f4ce230d66ff5c3dfe646cacd077404655ceb0eee553e44853748ec8772ec", 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 0.66s
[INFO] running `Command { std: "docker" "inspect" "985f4ce230d66ff5c3dfe646cacd077404655ceb0eee553e44853748ec8772ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "985f4ce230d66ff5c3dfe646cacd077404655ceb0eee553e44853748ec8772ec", kill_on_drop: false }`
[INFO] [stdout] 985f4ce230d66ff5c3dfe646cacd077404655ceb0eee553e44853748ec8772ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4dc86248d47a9f888b0f0649b6a50ecc59d69f3543286371b9703f4db72fa530
[INFO] running `Command { std: "docker" "start" "-a" "4dc86248d47a9f888b0f0649b6a50ecc59d69f3543286371b9703f4db72fa530", 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-b020c65ed51aa9f0)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sign_mail
[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 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<RemoteClient>) -> _`
[INFO] [stdout]                   found fn item `fn(sign_mail::ConnectionEvent<sign_mail::client::LocalClient>) -> impl Future<Output = ()> {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<RemoteClient>) -> F) -> Result<Self> {
[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<RemoteClient>) -> _`
[INFO] [stdout]                   found fn item `fn(sign_mail::ConnectionEvent<sign_mail::client::LocalClient>) -> impl Future<Output = ()> {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<RemoteClient>) -> F) -> Result<Self> {
[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 0.19s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "4dc86248d47a9f888b0f0649b6a50ecc59d69f3543286371b9703f4db72fa530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dc86248d47a9f888b0f0649b6a50ecc59d69f3543286371b9703f4db72fa530", kill_on_drop: false }`
[INFO] [stdout] 4dc86248d47a9f888b0f0649b6a50ecc59d69f3543286371b9703f4db72fa530
