[INFO] fetching crate prometheus-utils 0.6.3...
[INFO] testing prometheus-utils-0.6.3 against try#fc4ba03ef77ca5018fb78a097d3b924d30f15bfc+target=i686-unknown-linux-musl for musl_upgrade_1_2_take3
[INFO] extracting crate prometheus-utils 0.6.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate prometheus-utils 0.6.3 on toolchain fc4ba03ef77ca5018fb78a097d3b924d30f15bfc
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/rust-toolchain
[INFO] started tweaking crates.io crate prometheus-utils 0.6.3
[INFO] finished tweaking crates.io crate prometheus-utils 0.6.3
[INFO] tweaked toml for crates.io crate prometheus-utils 0.6.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73040ff3d51c66e02afcb98b21b45164b62fb415e17a0a2f4a41711b95027a3c
[INFO] running `Command { std: "docker" "start" "-a" "73040ff3d51c66e02afcb98b21b45164b62fb415e17a0a2f4a41711b95027a3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73040ff3d51c66e02afcb98b21b45164b62fb415e17a0a2f4a41711b95027a3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73040ff3d51c66e02afcb98b21b45164b62fb415e17a0a2f4a41711b95027a3c", kill_on_drop: false }`
[INFO] [stdout] 73040ff3d51c66e02afcb98b21b45164b62fb415e17a0a2f4a41711b95027a3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "build" "--frozen" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] da89ae4e4ab386379a65dd95d559782cdb5e1ec8518bf52d4ae1371954f6b3b1
[INFO] running `Command { std: "docker" "start" "-a" "da89ae4e4ab386379a65dd95d559782cdb5e1ec8518bf52d4ae1371954f6b3b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]    Compiling prometheus v0.12.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]    Compiling pin-project v1.0.12
[INFO] [stderr]    Compiling prometheus-utils v0.6.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.39s
[INFO] running `Command { std: "docker" "inspect" "da89ae4e4ab386379a65dd95d559782cdb5e1ec8518bf52d4ae1371954f6b3b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da89ae4e4ab386379a65dd95d559782cdb5e1ec8518bf52d4ae1371954f6b3b1", kill_on_drop: false }`
[INFO] [stdout] da89ae4e4ab386379a65dd95d559782cdb5e1ec8518bf52d4ae1371954f6b3b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "test" "--frozen" "--no-run" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 62361ff2440e2c98cc7b449d925dbe95d53a6be51e6f5c81903bf39acd26cf9d
[INFO] running `Command { std: "docker" "start" "-a" "62361ff2440e2c98cc7b449d925dbe95d53a6be51e6f5c81903bf39acd26cf9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling tokio v1.23.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling bytes v1.3.0
[INFO] [stderr]    Compiling tokio-macros v1.8.2
[INFO] [stderr]    Compiling mio v0.8.5
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling prometheus-utils v0.6.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.64s
[INFO] running `Command { std: "docker" "inspect" "62361ff2440e2c98cc7b449d925dbe95d53a6be51e6f5c81903bf39acd26cf9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62361ff2440e2c98cc7b449d925dbe95d53a6be51e6f5c81903bf39acd26cf9d", kill_on_drop: false }`
[INFO] [stdout] 62361ff2440e2c98cc7b449d925dbe95d53a6be51e6f5c81903bf39acd26cf9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "test" "--frozen" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 8698f48e2c52698539df64863a4445d9c240cd28847571db4d8ef4b13651c5d8
[INFO] running `Command { std: "docker" "start" "-a" "8698f48e2c52698539df64863a4445d9c240cd28847571db4d8ef4b13651c5d8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/prometheus_utils-204b370b04799e00)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test labels::tests::int_counter_with_labels_get_works ... ok
[INFO] [stdout] test labels::tests::int_gauge_with_labels_get_works ... ok
[INFO] [stdout] test percentile::tests::test_small_sampleset ... ok
[INFO] [stdout] test percentile::tests::test_percentiles_are_reported ... ok
[INFO] [stdout] test instrumented_future::counters_increment_only_when_futures_run ... ok
[INFO] [stdout] test percentile::tests::test_wraps_are_reported ... ok
[INFO] [stdout] test percentile::tests::test_overflow_wraps_writes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8698f48e2c52698539df64863a4445d9c240cd28847571db4d8ef4b13651c5d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8698f48e2c52698539df64863a4445d9c240cd28847571db4d8ef4b13651c5d8", kill_on_drop: false }`
[INFO] [stdout] 8698f48e2c52698539df64863a4445d9c240cd28847571db4d8ef4b13651c5d8