[INFO] fetching crate sero 0.1.17...
[INFO] testing sero-0.1.17 against 1.90.0 for beta-1.91-3
[INFO] extracting crate sero 0.1.17 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate sero 0.1.17
[INFO] finished tweaking crates.io crate sero 0.1.17
[INFO] tweaked toml for crates.io crate sero 0.1.17 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sero 0.1.17 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 21 packages to latest compatible versions
[INFO] [stderr]       Adding dashmap v5.5.3 (available: v6.1.0)
[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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8f1a786a2ca6f4416ea4ed553f0cd62b9986868ac39ca81c474278a813321871
[INFO] running `Command { std: "docker" "start" "-a" "8f1a786a2ca6f4416ea4ed553f0cd62b9986868ac39ca81c474278a813321871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f1a786a2ca6f4416ea4ed553f0cd62b9986868ac39ca81c474278a813321871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f1a786a2ca6f4416ea4ed553f0cd62b9986868ac39ca81c474278a813321871", kill_on_drop: false }`
[INFO] [stdout] 8f1a786a2ca6f4416ea4ed553f0cd62b9986868ac39ca81c474278a813321871
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4a2c0e42737fc7323ec021b39f843494bd0de3f2709d13d013aa764532c329ac
[INFO] running `Command { std: "docker" "start" "-a" "4a2c0e42737fc7323ec021b39f843494bd0de3f2709d13d013aa764532c329ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling dashmap v5.5.3
[INFO] [stderr]    Compiling sero v0.1.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.99s
[INFO] running `Command { std: "docker" "inspect" "4a2c0e42737fc7323ec021b39f843494bd0de3f2709d13d013aa764532c329ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a2c0e42737fc7323ec021b39f843494bd0de3f2709d13d013aa764532c329ac", kill_on_drop: false }`
[INFO] [stdout] 4a2c0e42737fc7323ec021b39f843494bd0de3f2709d13d013aa764532c329ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 66f13a94eea4df0a12678f0c98a73d43f7f7cef6636c9db7ddee276e8c70172c
[INFO] running `Command { std: "docker" "start" "-a" "66f13a94eea4df0a12678f0c98a73d43f7f7cef6636c9db7ddee276e8c70172c", kill_on_drop: false }`
[INFO] [stderr]    Compiling sero v0.1.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "66f13a94eea4df0a12678f0c98a73d43f7f7cef6636c9db7ddee276e8c70172c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66f13a94eea4df0a12678f0c98a73d43f7f7cef6636c9db7ddee276e8c70172c", kill_on_drop: false }`
[INFO] [stdout] 66f13a94eea4df0a12678f0c98a73d43f7f7cef6636c9db7ddee276e8c70172c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 11dfa72ea8a8347a8fbcf67d515d5d2b6bdcb8107a95a2aea2e9b26ccb973ce7
[INFO] running `Command { std: "docker" "start" "-a" "11dfa72ea8a8347a8fbcf67d515d5d2b6bdcb8107a95a2aea2e9b26ccb973ce7", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sero-454e3c8a6d8e7e1a)
[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 sero
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - LockStore<K>::lock (line 100) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 5) ... FAILED
[INFO] [stdout] test src/lib.rs - LockGuard<K>::drop (line 303) ... FAILED
[INFO] [stdout] test src/lib.rs - LockWaiter (line 179) ... FAILED
[INFO] [stdout] test src/lib.rs - LockWaiter<K>::wait (line 224) ... FAILED
[INFO] [stdout] test src/lib.rs - LockGuard (line 272) ... FAILED
[INFO] [stdout] test src/lib.rs - LockStore<K>::with_custom_unused_locks (line 81) ... ok
[INFO] [stdout] test src/lib.rs - LockStore (line 38) ... ok
[INFO] [stdout] test src/lib.rs - LockStore<K>::new (line 64) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - LockStore<K>::lock (line 100) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LockStore`
[INFO] [stdout]  --> src/lib.rs:101:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | let store = LockStore::new();
[INFO] [stdout]   |             ^^^^^^^^^ use of undeclared type `LockStore`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use sero::LockStore;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]  --> src/lib.rs:106:32
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_100_0() {
[INFO] [stdout]   |                                      ----------------------------------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 8 | let guard = store.lock("test").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] Some errors have detailed explanations: E0433, E0728.
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 5) stdout ----
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]   --> src/lib.rs:12:31
[INFO] [stdout]    |
[INFO] [stdout]  4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_5_0() {
[INFO] [stdout]    |                                      --------------------------------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 10 | let guard = store.lock("key").await;
[INFO] [stdout]    |                               ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0728`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - LockGuard<K>::drop (line 303) stdout ----
[INFO] [stdout] error: expected `;`, found `drop`
[INFO] [stdout]  --> src/lib.rs:304:38
[INFO] [stdout]   |
[INFO] [stdout] 3 | let guard = store.lock("test").wait()
[INFO] [stdout]   |                                      ^ help: add `;` here
[INFO] [stdout] 4 | // drops the guard
[INFO] [stdout] 5 | drop(guard);
[INFO] [stdout]   | ---- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `store` in this scope
[INFO] [stdout]  --> src/lib.rs:304:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | let guard = store.lock("test").wait()
[INFO] [stdout]   |             ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - LockWaiter (line 179) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `store` in this scope
[INFO] [stdout]  --> src/lib.rs:180:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let waiter = store.lock("test");
[INFO] [stdout]   |              ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]  --> src/lib.rs:183:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_179_0() {
[INFO] [stdout]   |                                      ----------------------------------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 6 | let guard = waiter.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] Some errors have detailed explanations: E0425, E0728.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - LockWaiter<K>::wait (line 224) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `store` in this scope
[INFO] [stdout]  --> src/lib.rs:225:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let waiter = store.lock("test");
[INFO] [stdout]   |              ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - LockGuard (line 272) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `store` in this scope
[INFO] [stdout]  --> src/lib.rs:273:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | let guard = store.lock("test").wait();
[INFO] [stdout]   |             ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 5)
[INFO] [stdout]     src/lib.rs - LockGuard (line 272)
[INFO] [stdout]     src/lib.rs - LockGuard<K>::drop (line 303)
[INFO] [stdout]     src/lib.rs - LockStore<K>::lock (line 100)
[INFO] [stdout]     src/lib.rs - LockWaiter (line 179)
[INFO] [stdout]     src/lib.rs - LockWaiter<K>::wait (line 224)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 6 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.46s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "11dfa72ea8a8347a8fbcf67d515d5d2b6bdcb8107a95a2aea2e9b26ccb973ce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11dfa72ea8a8347a8fbcf67d515d5d2b6bdcb8107a95a2aea2e9b26ccb973ce7", kill_on_drop: false }`
[INFO] [stdout] 11dfa72ea8a8347a8fbcf67d515d5d2b6bdcb8107a95a2aea2e9b26ccb973ce7
