[INFO] fetching crate emitbrown 0.1.9...
[INFO] testing emitbrown-0.1.9 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate emitbrown 0.1.9 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate emitbrown 0.1.9 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate emitbrown 0.1.9
[INFO] finished tweaking crates.io crate emitbrown 0.1.9
[INFO] tweaked toml for crates.io crate emitbrown 0.1.9 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 495d74f5024cbfe575cb0e848a61fa41d34fce701b2c23c677a6a1734c8c2167
[INFO] running `Command { std: "docker" "start" "-a" "495d74f5024cbfe575cb0e848a61fa41d34fce701b2c23c677a6a1734c8c2167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "495d74f5024cbfe575cb0e848a61fa41d34fce701b2c23c677a6a1734c8c2167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "495d74f5024cbfe575cb0e848a61fa41d34fce701b2c23c677a6a1734c8c2167", kill_on_drop: false }`
[INFO] [stdout] 495d74f5024cbfe575cb0e848a61fa41d34fce701b2c23c677a6a1734c8c2167
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a4fee6b52894c15379aceef4eede074109cd6faf0aa4ccb83526bba8b98aeae
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9a4fee6b52894c15379aceef4eede074109cd6faf0aa4ccb83526bba8b98aeae", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling emitbrown v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.95s
[INFO] running `Command { std: "docker" "inspect" "9a4fee6b52894c15379aceef4eede074109cd6faf0aa4ccb83526bba8b98aeae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a4fee6b52894c15379aceef4eede074109cd6faf0aa4ccb83526bba8b98aeae", kill_on_drop: false }`
[INFO] [stdout] 9a4fee6b52894c15379aceef4eede074109cd6faf0aa4ccb83526bba8b98aeae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 07ae30f55c0f6a4cd2e23ac69b5021eac84994f5097ee09a13518dab210125ab
[INFO] running `Command { std: "docker" "start" "-a" "07ae30f55c0f6a4cd2e23ac69b5021eac84994f5097ee09a13518dab210125ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling emitbrown v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> tests/emitbrown.rs:98:6
[INFO] [stdout]    |
[INFO] [stdout] 98 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.26s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/emitbrown-ea50c7951416b937)
[INFO] [stderr]   Executable tests/emitbrown.rs (/opt/rustwide/target/debug/deps/emitbrown-7602d07f50d45609)
[INFO] running `Command { std: "docker" "inspect" "07ae30f55c0f6a4cd2e23ac69b5021eac84994f5097ee09a13518dab210125ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07ae30f55c0f6a4cd2e23ac69b5021eac84994f5097ee09a13518dab210125ab", kill_on_drop: false }`
[INFO] [stdout] 07ae30f55c0f6a4cd2e23ac69b5021eac84994f5097ee09a13518dab210125ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f4a3a97b9ff4251d9bb982bf79da91a5cedb25bd19a54c211de7dc576e9fba7e
[INFO] running `Command { std: "docker" "start" "-a" "f4a3a97b9ff4251d9bb982bf79da91a5cedb25bd19a54c211de7dc576e9fba7e", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> tests/emitbrown.rs:98:6
[INFO] [stderr]    |
[INFO] [stderr] 98 |     };
[INFO] [stderr]    |      ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `emitbrown` (test "emitbrown") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/emitbrown-ea50c7951416b937)
[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]      Running tests/emitbrown.rs (/opt/rustwide/target/debug/deps/emitbrown-7602d07f50d45609)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test must_register_multiple_events_and_call_all_the_callback_passing_a_copy_of_the_same_data ... ok
[INFO] [stdout] test must_unregister_an_event ... ok
[INFO] [stdout] test must_work_with_a_custom_event_data_and_allow_the_callback_to_modified_it ... ok
[INFO] [stdout] test must_register_an_event_and_call_callback_passing_data ... 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] [stderr]    Doc-tests emitbrown
[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] running `Command { std: "docker" "inspect" "f4a3a97b9ff4251d9bb982bf79da91a5cedb25bd19a54c211de7dc576e9fba7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4a3a97b9ff4251d9bb982bf79da91a5cedb25bd19a54c211de7dc576e9fba7e", kill_on_drop: false }`
[INFO] [stdout] f4a3a97b9ff4251d9bb982bf79da91a5cedb25bd19a54c211de7dc576e9fba7e