[INFO] fetching crate slog-extlog 8.1.0...
[INFO] testing slog-extlog-8.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate slog-extlog 8.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate slog-extlog 8.1.0
[INFO] finished tweaking crates.io crate slog-extlog 8.1.0
[INFO] tweaked toml for crates.io crate slog-extlog 8.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate slog-extlog 8.1.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 43 packages to latest compatible versions
[INFO] [stderr]       Adding erased-serde v0.3.31 (available: v0.4.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slog-extlog-derive v8.1.0
[INFO] [stderr]   Downloaded iobuffer v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbbbea187d95772ae029796b9549eaceaf50dd238d7f1cd42ec225990257c7b2
[INFO] running `Command { std: "docker" "start" "-a" "dbbbea187d95772ae029796b9549eaceaf50dd238d7f1cd42ec225990257c7b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbbbea187d95772ae029796b9549eaceaf50dd238d7f1cd42ec225990257c7b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbbbea187d95772ae029796b9549eaceaf50dd238d7f1cd42ec225990257c7b2", kill_on_drop: false }`
[INFO] [stdout] dbbbea187d95772ae029796b9549eaceaf50dd238d7f1cd42ec225990257c7b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] ccd528d6296055a403c8b261d16fa0b1e11c1b9bf1d19c06aeb71d63be994417
[INFO] running `Command { std: "docker" "start" "-a" "ccd528d6296055a403c8b261d16fa0b1e11c1b9bf1d19c06aeb71d63be994417", kill_on_drop: false }`
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling iobuffer v0.2.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling erased-serde v0.3.31
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling slog-json v2.6.1
[INFO] [stderr]    Compiling slog-extlog v8.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.96s
[INFO] running `Command { std: "docker" "inspect" "ccd528d6296055a403c8b261d16fa0b1e11c1b9bf1d19c06aeb71d63be994417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccd528d6296055a403c8b261d16fa0b1e11c1b9bf1d19c06aeb71d63be994417", kill_on_drop: false }`
[INFO] [stdout] ccd528d6296055a403c8b261d16fa0b1e11c1b9bf1d19c06aeb71d63be994417
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 7cf9e2e35e234a1ce88631281db60bb00e5213b40bbeabf5cf89f81a10b5807e
[INFO] running `Command { std: "docker" "start" "-a" "7cf9e2e35e234a1ce88631281db60bb00e5213b40bbeabf5cf89f81a10b5807e", kill_on_drop: false }`
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling tokio v1.45.1
[INFO] [stderr]    Compiling erased-serde v0.3.31
[INFO] [stderr]    Compiling slog-extlog-derive v8.1.0
[INFO] [stderr]    Compiling slog-extlog v8.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `CumulBucketCounterLog` is never constructed
[INFO] [stdout]    --> tests/stats_query.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 | struct CumulBucketCounterLog {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CumulBucketCounterLog` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.32s
[INFO] running `Command { std: "docker" "inspect" "7cf9e2e35e234a1ce88631281db60bb00e5213b40bbeabf5cf89f81a10b5807e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cf9e2e35e234a1ce88631281db60bb00e5213b40bbeabf5cf89f81a10b5807e", kill_on_drop: false }`
[INFO] [stdout] 7cf9e2e35e234a1ce88631281db60bb00e5213b40bbeabf5cf89f81a10b5807e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] c33a797b452ad65a1611a7b81dc64ab30fc87ed4cc4ea939caf48e403940f3bf
[INFO] running `Command { std: "docker" "start" "-a" "c33a797b452ad65a1611a7b81dc64ab30fc87ed4cc4ea939caf48e403940f3bf", kill_on_drop: false }`
[INFO] [stderr] warning: struct `CumulBucketCounterLog` is never constructed
[INFO] [stderr]    --> tests/stats_query.rs:104:8
[INFO] [stderr]     |
[INFO] [stderr] 104 | struct CumulBucketCounterLog {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `CumulBucketCounterLog` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `slog-extlog` (test "stats_query") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/slog_extlog-0dad87d64d4bb09b)
[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/x86_64-unknown-linux-musl/debug/deps/demo_test-340efdc4d2be0b45)
[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 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/stats_extlog.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/stats_extlog-c5aebcd4e0d4d043)
[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/x86_64-unknown-linux-musl/debug/deps/stats_query-b7c78fe80d433495)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test request_for_bucket_counter_freq ... ok
[INFO] [stdout] test request_for_bucket_counter_cumul_freq ... ok
[INFO] [stdout] test request_for_single_counter_with_groups_and_one_value ... ok
[INFO] [stdout] test request_for_bucket_counter_freq_one_value ... ok
[INFO] [stdout] test request_for_multiple_metrics ... ok
[INFO] [stdout] test request_for_single_counter_with_groups_but_no_values ... ok
[INFO] [stdout] test request_for_bucket_counter_with_groups_and_two_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_single_counter ... ok
[INFO] [stdout] test request_with_no_stats ... ok
[INFO] [stdout] test request_for_updated_metrics ... 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] running `Command { std: "docker" "inspect" "c33a797b452ad65a1611a7b81dc64ab30fc87ed4cc4ea939caf48e403940f3bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c33a797b452ad65a1611a7b81dc64ab30fc87ed4cc4ea939caf48e403940f3bf", kill_on_drop: false }`
[INFO] [stdout] c33a797b452ad65a1611a7b81dc64ab30fc87ed4cc4ea939caf48e403940f3bf