[INFO] fetching crate prometheus-serve-metrics 0.1.4...
[INFO] testing prometheus-serve-metrics-0.1.4 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate prometheus-serve-metrics 0.1.4 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate prometheus-serve-metrics 0.1.4
[INFO] finished tweaking crates.io crate prometheus-serve-metrics 0.1.4
[INFO] tweaked toml for crates.io crate prometheus-serve-metrics 0.1.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate prometheus-serve-metrics 0.1.4 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 136 packages to latest compatible versions
[INFO] [stderr]       Adding hyper v0.14.32 (available: v1.6.0)
[INFO] [stderr]       Adding opentelemetry v0.17.0 (available: v0.30.0)
[INFO] [stderr]       Adding opentelemetry-prometheus v0.10.0 (available: v0.29.1)
[INFO] [stderr]       Adding prometheus v0.13.4 (available: v0.14.0)
[INFO] [stderr]       Adding tracing-subscriber v0.2.25 (available: v0.3.19)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 07c79f9e2a8f678a60eb9fc8afb83737864494a709b16c4106579b750f4d40ab
[INFO] running `Command { std: "docker" "start" "-a" "07c79f9e2a8f678a60eb9fc8afb83737864494a709b16c4106579b750f4d40ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07c79f9e2a8f678a60eb9fc8afb83737864494a709b16c4106579b750f4d40ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07c79f9e2a8f678a60eb9fc8afb83737864494a709b16c4106579b750f4d40ab", kill_on_drop: false }`
[INFO] [stdout] 07c79f9e2a8f678a60eb9fc8afb83737864494a709b16c4106579b750f4d40ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] b4d733f039987ad61bf7fc5f200f540b003737b0ae8d26cd6cf8fc41e5f70725
[INFO] running `Command { std: "docker" "start" "-a" "b4d733f039987ad61bf7fc5f200f540b003737b0ae8d26cd6cf8fc41e5f70725", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling tracing-serde v0.1.3
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling tracing-log v0.1.4
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling dashmap v4.0.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling tokio v1.45.1
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling prometheus v0.13.4
[INFO] [stderr]    Compiling opentelemetry v0.17.0
[INFO] [stderr]    Compiling opentelemetry-prometheus v0.10.0
[INFO] [stderr]    Compiling tokio-util v0.7.15
[INFO] [stderr]    Compiling h2 v0.3.26
[INFO] [stderr]    Compiling hyper v0.14.32
[INFO] [stderr]    Compiling prometheus-serve-metrics v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.22s
[INFO] running `Command { std: "docker" "inspect" "b4d733f039987ad61bf7fc5f200f540b003737b0ae8d26cd6cf8fc41e5f70725", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4d733f039987ad61bf7fc5f200f540b003737b0ae8d26cd6cf8fc41e5f70725", kill_on_drop: false }`
[INFO] [stdout] b4d733f039987ad61bf7fc5f200f540b003737b0ae8d26cd6cf8fc41e5f70725
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 0b7039563c0c8336957e0f633c433854365ebdfd62275fa395838d36ebfc5bd2
[INFO] running `Command { std: "docker" "start" "-a" "0b7039563c0c8336957e0f633c433854365ebdfd62275fa395838d36ebfc5bd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling prometheus-serve-metrics v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "0b7039563c0c8336957e0f633c433854365ebdfd62275fa395838d36ebfc5bd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b7039563c0c8336957e0f633c433854365ebdfd62275fa395838d36ebfc5bd2", kill_on_drop: false }`
[INFO] [stdout] 0b7039563c0c8336957e0f633c433854365ebdfd62275fa395838d36ebfc5bd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] dd4fdf0005e72d0e4fc36f6b96043a7f90325798c6504ef40968f78548622aa5
[INFO] running `Command { std: "docker" "start" "-a" "dd4fdf0005e72d0e4fc36f6b96043a7f90325798c6504ef40968f78548622aa5", kill_on_drop: false }`
[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/prometheus_serve_metrics-2e29ebdf128e6881)
[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" "dd4fdf0005e72d0e4fc36f6b96043a7f90325798c6504ef40968f78548622aa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd4fdf0005e72d0e4fc36f6b96043a7f90325798c6504ef40968f78548622aa5", kill_on_drop: false }`
[INFO] [stdout] dd4fdf0005e72d0e4fc36f6b96043a7f90325798c6504ef40968f78548622aa5