[INFO] fetching crate slog-extlog 7.0.0...
[INFO] testing slog-extlog-7.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate slog-extlog 7.0.0 into /workspace/builds/worker-43/source
[INFO] validating manifest of crates.io crate slog-extlog 7.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-43/source/.cargo/config
[INFO] started tweaking crates.io crate slog-extlog 7.0.0
[INFO] finished tweaking crates.io crate slog-extlog 7.0.0
[INFO] tweaked toml for crates.io crate slog-extlog 7.0.0 written to /workspace/builds/worker-43/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b30424162ba1ac9e3de6f930fa2572b54d140fe7dcbf49f2a2e0b65ffccd4a2c
[INFO] running `Command { std: "docker" "start" "-a" "b30424162ba1ac9e3de6f930fa2572b54d140fe7dcbf49f2a2e0b65ffccd4a2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b30424162ba1ac9e3de6f930fa2572b54d140fe7dcbf49f2a2e0b65ffccd4a2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b30424162ba1ac9e3de6f930fa2572b54d140fe7dcbf49f2a2e0b65ffccd4a2c", kill_on_drop: false }`
[INFO] [stdout] b30424162ba1ac9e3de6f930fa2572b54d140fe7dcbf49f2a2e0b65ffccd4a2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2be45b379e3ec4f163706d0440efcc63456ba45a546f68c404334133ce39b3f7
[INFO] running `Command { std: "docker" "start" "-a" "2be45b379e3ec4f163706d0440efcc63456ba45a546f68c404334133ce39b3f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling erased-serde v0.3.16
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling iobuffer v0.2.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling slog-json v2.4.0
[INFO] [stderr]    Compiling slog-extlog v7.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.65s
[INFO] running `Command { std: "docker" "inspect" "2be45b379e3ec4f163706d0440efcc63456ba45a546f68c404334133ce39b3f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2be45b379e3ec4f163706d0440efcc63456ba45a546f68c404334133ce39b3f7", kill_on_drop: false }`
[INFO] [stdout] 2be45b379e3ec4f163706d0440efcc63456ba45a546f68c404334133ce39b3f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4db0282bada637c07ce4bb3b8b482597f43a7ccd1d4d3f967615fd057b66624d
[INFO] running `Command { std: "docker" "start" "-a" "4db0282bada637c07ce4bb3b8b482597f43a7ccd1d4d3f967615fd057b66624d", kill_on_drop: false }`
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling slog-extlog-derive v7.0.0
[INFO] [stderr]    Compiling slog-extlog v7.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.77s
[INFO] running `Command { std: "docker" "inspect" "4db0282bada637c07ce4bb3b8b482597f43a7ccd1d4d3f967615fd057b66624d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4db0282bada637c07ce4bb3b8b482597f43a7ccd1d4d3f967615fd057b66624d", kill_on_drop: false }`
[INFO] [stdout] 4db0282bada637c07ce4bb3b8b482597f43a7ccd1d4d3f967615fd057b66624d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 64baa4229d7e94322baa71ac8df2d43eadfa6b7be13f2f4c90458250b210849f
[INFO] running `Command { std: "docker" "start" "-a" "64baa4229d7e94322baa71ac8df2d43eadfa6b7be13f2f4c90458250b210849f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/slog_extlog-b6619fd5a477aac6)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test stats::tests::check_clone ... ok
[INFO] [stdout] test slog_test::tests::test_partial_write ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/demo_test.rs (/opt/rustwide/target/debug/deps/demo_test-d557ea5e07c2ea72)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_main ... ok
[INFO] [stdout] test test_assert_json_matches ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/stats_extlog.rs (/opt/rustwide/target/debug/deps/stats_extlog-c2f0127ae22b70cf)
[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/stats_query.rs (/opt/rustwide/target/debug/deps/stats_query-24e6ff9c4ca6511e)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test request_for_bucket_counter_cumul_freq ... ok
[INFO] [stdout] test request_for_bucket_counter_freq ... ok
[INFO] [stdout] test request_for_single_counter ... ok
[INFO] [stdout] test request_for_multiple_metrics ... ok
[INFO] [stdout] test request_for_bucket_counter_with_groups_and_two_values ... ok
[INFO] [stdout] test request_for_bucket_counter_freq_one_value ... ok
[INFO] [stdout] test request_for_single_counter_with_groups_but_no_values ... ok
[INFO] [stdout] test request_for_single_gauge_with_groups_and_one_value ... ok
[INFO] [stdout] test request_for_single_gauge ... ok
[INFO] [stdout] test request_for_single_gauge_with_groups_but_no_values ... ok
[INFO] [stdout] test request_for_many_metrics ... ok
[INFO] [stdout] test request_for_updated_metrics ... ok
[INFO] [stdout] test request_for_single_counter_with_groups_and_one_value ... ok
[INFO] [stdout] test request_for_single_counter_with_groups_and_two_values ... ok
[INFO] [stdout] test request_with_no_stats ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests slog-extlog
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - impl_value_wrapper (line 196) ... ignored
[INFO] [stdout] test src/lib.rs - impl_value_wrapper (line 204) ... ignored
[INFO] [stdout] test src/slog_test.rs - slog_test (line 13) ... ok
[INFO] [stdout] test src/stats.rs - stats::StatsLoggerBuilder (line 490) ... ok
[INFO] [stdout] test src/lib.rs - (line 78) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 2.60s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "64baa4229d7e94322baa71ac8df2d43eadfa6b7be13f2f4c90458250b210849f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64baa4229d7e94322baa71ac8df2d43eadfa6b7be13f2f4c90458250b210849f", kill_on_drop: false }`
[INFO] [stdout] 64baa4229d7e94322baa71ac8df2d43eadfa6b7be13f2f4c90458250b210849f