[INFO] fetching crate sero 0.1.17...
[INFO] testing sero-0.1.17 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate sero 0.1.17 into /workspace/builds/worker-3-tc2/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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sero 0.1.17 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60eb8f34fac2040db811cbd7a5db45524be196e117059abbd93a24ee28f9d994
[INFO] running `Command { std: "docker" "start" "-a" "60eb8f34fac2040db811cbd7a5db45524be196e117059abbd93a24ee28f9d994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60eb8f34fac2040db811cbd7a5db45524be196e117059abbd93a24ee28f9d994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60eb8f34fac2040db811cbd7a5db45524be196e117059abbd93a24ee28f9d994", kill_on_drop: false }`
[INFO] [stdout] 60eb8f34fac2040db811cbd7a5db45524be196e117059abbd93a24ee28f9d994
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68a780215a25950638e0d8ed5c39c3a09456ad4efbcf30d43594db13459873aa
[INFO] running `Command { std: "docker" "start" "-a" "68a780215a25950638e0d8ed5c39c3a09456ad4efbcf30d43594db13459873aa", kill_on_drop: false }`
[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 1.15s
[INFO] running `Command { std: "docker" "inspect" "68a780215a25950638e0d8ed5c39c3a09456ad4efbcf30d43594db13459873aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68a780215a25950638e0d8ed5c39c3a09456ad4efbcf30d43594db13459873aa", kill_on_drop: false }`
[INFO] [stdout] 68a780215a25950638e0d8ed5c39c3a09456ad4efbcf30d43594db13459873aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27cdb9e983d9c9e94bed5202c397c81c73ec536902c853dbd835c75796e0280f
[INFO] running `Command { std: "docker" "start" "-a" "27cdb9e983d9c9e94bed5202c397c81c73ec536902c853dbd835c75796e0280f", kill_on_drop: false }`
[INFO] [stderr]    Compiling sero v0.1.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "27cdb9e983d9c9e94bed5202c397c81c73ec536902c853dbd835c75796e0280f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27cdb9e983d9c9e94bed5202c397c81c73ec536902c853dbd835c75796e0280f", kill_on_drop: false }`
[INFO] [stdout] 27cdb9e983d9c9e94bed5202c397c81c73ec536902c853dbd835c75796e0280f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 35ee247b9dbca091b01426a4db5a1360198a273f8fddeefa22b57d82edcd1e81
[INFO] running `Command { std: "docker" "start" "-a" "35ee247b9dbca091b01426a4db5a1360198a273f8fddeefa22b57d82edcd1e81", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sero-39ff0eb0ecc83919)
[INFO] [stderr]    Doc-tests sero
[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] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - LockStore<K>::lock (line 100) ... 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 - (line 5) ... FAILED
[INFO] [stdout] test src/lib.rs - LockWaiter (line 179) ... FAILED
[INFO] [stdout] test src/lib.rs - LockGuard<K>::drop (line 303) ... FAILED
[INFO] [stdout] test src/lib.rs - LockStore<K>::new (line 64) ... ok
[INFO] [stdout] test src/lib.rs - LockStore<K>::with_custom_unused_locks (line 81) ... ok
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] test src/lib.rs - LockStore (line 38) ... 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 - 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] ---- 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 - 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 - 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] 
[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 0.74s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "35ee247b9dbca091b01426a4db5a1360198a273f8fddeefa22b57d82edcd1e81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35ee247b9dbca091b01426a4db5a1360198a273f8fddeefa22b57d82edcd1e81", kill_on_drop: false }`
[INFO] [stdout] 35ee247b9dbca091b01426a4db5a1360198a273f8fddeefa22b57d82edcd1e81
