[INFO] fetching crate rs-singleflight 0.2.0...
[INFO] testing rs-singleflight-0.2.0 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate rs-singleflight 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate rs-singleflight 0.2.0
[INFO] finished tweaking crates.io crate rs-singleflight 0.2.0
[INFO] tweaked toml for crates.io crate rs-singleflight 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rs-singleflight 0.2.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rs-singleflight 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 498f466c658edd9d5a51c08eac263d04d24a12fb49bbfe01c608b0d92ab04f43
[INFO] running `Command { std: "docker" "start" "498f466c658edd9d5a51c08eac263d04d24a12fb49bbfe01c608b0d92ab04f43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "498f466c658edd9d5a51c08eac263d04d24a12fb49bbfe01c608b0d92ab04f43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "498f466c658edd9d5a51c08eac263d04d24a12fb49bbfe01c608b0d92ab04f43" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "498f466c658edd9d5a51c08eac263d04d24a12fb49bbfe01c608b0d92ab04f43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "498f466c658edd9d5a51c08eac263d04d24a12fb49bbfe01c608b0d92ab04f43" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]    Compiling smallvec v1.15.2
[INFO] [stderr]    Compiling tokio v1.53.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling rs-singleflight v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.58s
[INFO] running `Command { std: "docker" "inspect" "498f466c658edd9d5a51c08eac263d04d24a12fb49bbfe01c608b0d92ab04f43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "498f466c658edd9d5a51c08eac263d04d24a12fb49bbfe01c608b0d92ab04f43" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling syn v3.0.4
[INFO] [stderr]    Compiling tokio-macros v2.7.2
[INFO] [stderr]    Compiling tokio v1.53.1
[INFO] [stderr]    Compiling rs-singleflight v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 10.42s
[INFO] running `Command { std: "docker" "inspect" "498f466c658edd9d5a51c08eac263d04d24a12fb49bbfe01c608b0d92ab04f43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "498f466c658edd9d5a51c08eac263d04d24a12fb49bbfe01c608b0d92ab04f43" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rs_singleflight-924fcfdb12fad987)
[INFO] [stdout] running 15 tests
[INFO] [stdout] test tests::cancellation_without_waiters_removes_the_flight ... ok
[INFO] [stdout] test tests::shared_api_supports_non_clone_results ... ok
[INFO] [stdout] test tests::operations_for_different_keys_are_independent ... ok
[INFO] [stdout] test tests::cached_group_does_not_cache_errors ... ok
[INFO] [stdout] test tests::invalidate_accepts_a_borrowed_key ... ok
[INFO] [stdout] test tests::cached_shared_api_avoids_cloning_values ... ok
[INFO] [stdout] test tests::clear_wins_against_in_flight_results ... ok
[INFO] [stdout] test tests::invalidation_wins_against_an_in_flight_result ... ok
[INFO] [stdout] test tests::recovers_when_the_leader_is_cancelled ... ok
[INFO] [stdout] test tests::clones_share_the_registry_and_forget_accepts_a_borrowed_key ... ok
[INFO] [stdout] test tests::shares_errors ... ok
[INFO] [stdout] test tests::return_error_policy_does_not_retry_a_dropped_leader ... ok
[INFO] [stdout] test tests::coalesces_concurrent_calls_for_the_same_key ... ok
[INFO] [stdout] test tests::recovers_when_the_leader_panics ... ok
[INFO] [stdout] test tests::cached_group_coalesces_and_honors_ttl ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.28s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rs_singleflight
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/../README.md - (line 48) ... ok
[INFO] [stdout] test src/../README.md - (line 74) ... ok
[INFO] [stdout] test src/../README.md - (line 101) ... ok
[INFO] [stdout] test src/../README.md - (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.40s; merged doctests compilation took 0.39s
[INFO] running `Command { std: "docker" "inspect" "498f466c658edd9d5a51c08eac263d04d24a12fb49bbfe01c608b0d92ab04f43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "498f466c658edd9d5a51c08eac263d04d24a12fb49bbfe01c608b0d92ab04f43", kill_on_drop: false }`
[INFO] [stdout] 498f466c658edd9d5a51c08eac263d04d24a12fb49bbfe01c608b0d92ab04f43
