[INFO] fetching crate slog-extlog 6.0.1...
[INFO] testing slog-extlog-6.0.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate slog-extlog 6.0.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate slog-extlog 6.0.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-10/source/.cargo/config
[INFO] started tweaking crates.io crate slog-extlog 6.0.1
[INFO] finished tweaking crates.io crate slog-extlog 6.0.1
[INFO] tweaked toml for crates.io crate slog-extlog 6.0.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slog-extlog-derive v6.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f6d7ad898b00aaadf86d7aac58670cc4d71a7c04b3eb61c7d26afcf6e914220
[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" "7f6d7ad898b00aaadf86d7aac58670cc4d71a7c04b3eb61c7d26afcf6e914220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f6d7ad898b00aaadf86d7aac58670cc4d71a7c04b3eb61c7d26afcf6e914220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f6d7ad898b00aaadf86d7aac58670cc4d71a7c04b3eb61c7d26afcf6e914220", kill_on_drop: false }`
[INFO] [stdout] 7f6d7ad898b00aaadf86d7aac58670cc4d71a7c04b3eb61c7d26afcf6e914220
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e78152e0e9745ebf873bffa9253c22813cef1fa676661d9e625f510f6e75ad1a
[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" "e78152e0e9745ebf873bffa9253c22813cef1fa676661d9e625f510f6e75ad1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling iobuffer v0.2.0
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling tokio v0.2.24
[INFO] [stderr]    Compiling erased-serde v0.3.13
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling slog-json v2.3.0
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling slog-extlog v6.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.90s
[INFO] running `Command { std: "docker" "inspect" "e78152e0e9745ebf873bffa9253c22813cef1fa676661d9e625f510f6e75ad1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e78152e0e9745ebf873bffa9253c22813cef1fa676661d9e625f510f6e75ad1a", kill_on_drop: false }`
[INFO] [stdout] e78152e0e9745ebf873bffa9253c22813cef1fa676661d9e625f510f6e75ad1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55332d394e51940d4c62453f0e34f8f7b1f462ff1bd2c013bafef99786360b30
[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" "55332d394e51940d4c62453f0e34f8f7b1f462ff1bd2c013bafef99786360b30", kill_on_drop: false }`
[INFO] [stderr]    Compiling slog-extlog v6.0.1
[INFO] [stderr]    Compiling slog-extlog-derive v6.0.1
[INFO] [stderr]    Compiling slog-extlog v6.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.27s
[INFO] running `Command { std: "docker" "inspect" "55332d394e51940d4c62453f0e34f8f7b1f462ff1bd2c013bafef99786360b30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55332d394e51940d4c62453f0e34f8f7b1f462ff1bd2c013bafef99786360b30", kill_on_drop: false }`
[INFO] [stdout] 55332d394e51940d4c62453f0e34f8f7b1f462ff1bd2c013bafef99786360b30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5e5162b81e52d19c90f1df1975d64f19a493d362b37f64951a23747ea1243ebf
[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" "5e5162b81e52d19c90f1df1975d64f19a493d362b37f64951a23747ea1243ebf", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/slog_extlog-c8c79f34f8d9b607
[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 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/demo_test-6cab85e2b48da531
[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 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stats_extlog-0edfc861d6c2aafc
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test test_extloggable_gauges_with_equality_condition ... ok
[INFO] [stdout] test test_extloggable_bucket_counter_freq ... ok
[INFO] [stdout] test test_extloggable_bucket_counter_freq_high_value ... ok
[INFO] [stdout] test test_extloggable_set_to ... ok
[INFO] [stdout] test test_extloggable_strings ... ok
[INFO] [stdout] test test_extloggable_bucket_counter_grouped_cumul_freq ... ok
[INFO] [stdout] test external_logging_works ... ok
[INFO] [stdout] test basic_extloggable_fixed_group ... ok
[INFO] [stdout] test test_extloggable_buckets_and_repeated_tags ... ok
[INFO] [stdout] test basic_extloggable_grouped_by_mixed ... ok
[INFO] [stdout] test basic_extloggable_grouped_by_string ... ok
[INFO] [stdout] test test_extloggable_bucket_counter_grouped_freq ... ok
[INFO] [stdout] test test_extloggable_bucket_counter_cumul_freq_high_value ... ok
[INFO] [stdout] test test_extloggable_bucket_counter_cumul_freq ... ok
[INFO] [stdout] test test_extloggable_field_gauges ... ok
[INFO] [stdout] test multiple_stats_defns ... ok
[INFO] [stdout] test test_set_slog_logger ... ok
[INFO] [stdout] test unwind_safety_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 12.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stats_query-43f1edd69d89768e
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test request_for_bucket_counter_cumul_freq ... ok
[INFO] [stdout] test request_for_single_gauge ... ok
[INFO] [stdout] test request_for_bucket_counter_freq_one_value ... ok
[INFO] [stdout] test request_with_no_stats ... ok
[INFO] [stdout] test request_for_single_counter_with_groups_but_no_values ... ok
[INFO] [stdout] test request_for_many_metrics ... ok
[INFO] [stdout] test request_for_multiple_metrics ... ok
[INFO] [stdout] test request_for_bucket_counter_freq ... ok
[INFO] [stdout] test request_for_single_counter ... ok
[INFO] [stdout] test request_for_single_gauge_with_groups_but_no_values ... ok
[INFO] [stdout] test request_for_single_gauge_with_groups_and_one_value ... ok
[INFO] [stdout] test request_for_bucket_counter_with_groups_and_two_values ... 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] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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 198) ... ignored
[INFO] [stdout] test src/lib.rs - impl_value_wrapper (line 206) ... ignored
[INFO] [stdout] test src/slog_test.rs - slog_test (line 13) ... ok
[INFO] [stdout] test src/stats.rs - stats::StatsConfigBuilder (line 522) ... 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 2.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5e5162b81e52d19c90f1df1975d64f19a493d362b37f64951a23747ea1243ebf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e5162b81e52d19c90f1df1975d64f19a493d362b37f64951a23747ea1243ebf", kill_on_drop: false }`
[INFO] [stdout] 5e5162b81e52d19c90f1df1975d64f19a493d362b37f64951a23747ea1243ebf