[INFO] fetching crate fastmetrics 0.3.0...
[INFO] testing fastmetrics-0.3.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate fastmetrics 0.3.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate fastmetrics 0.3.0
[INFO] finished tweaking crates.io crate fastmetrics 0.3.0
[INFO] tweaked toml for crates.io crate fastmetrics 0.3.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fastmetrics 0.3.0 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] crate crates.io crate fastmetrics 0.3.0 already has a lockfile, it will not be regenerated
[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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fastmetrics-derive v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d3237a86e9c1cb99bd31187ad4b2b7d0e96b40de1cbe79b42880edb77e114559
[INFO] running `Command { std: "docker" "start" "-a" "d3237a86e9c1cb99bd31187ad4b2b7d0e96b40de1cbe79b42880edb77e114559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3237a86e9c1cb99bd31187ad4b2b7d0e96b40de1cbe79b42880edb77e114559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3237a86e9c1cb99bd31187ad4b2b7d0e96b40de1cbe79b42880edb77e114559", kill_on_drop: false }`
[INFO] [stdout] d3237a86e9c1cb99bd31187ad4b2b7d0e96b40de1cbe79b42880edb77e114559
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f9813adffdf484e5a571acebd9eb1cbc66e1820bf7b37294c4c08ee90b08bcc7
[INFO] running `Command { std: "docker" "start" "-a" "f9813adffdf484e5a571acebd9eb1cbc66e1820bf7b37294c4c08ee90b08bcc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling fastmetrics v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling dtoa v1.0.10
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.71s
[INFO] running `Command { std: "docker" "inspect" "f9813adffdf484e5a571acebd9eb1cbc66e1820bf7b37294c4c08ee90b08bcc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9813adffdf484e5a571acebd9eb1cbc66e1820bf7b37294c4c08ee90b08bcc7", kill_on_drop: false }`
[INFO] [stdout] f9813adffdf484e5a571acebd9eb1cbc66e1820bf7b37294c4c08ee90b08bcc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] cad8e75a3f2c674b02c4c7a9213d429644bcf565962990076d0a58e098f865db
[INFO] running `Command { std: "docker" "start" "-a" "cad8e75a3f2c674b02c4c7a9213d429644bcf565962990076d0a58e098f865db", kill_on_drop: false }`
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]    Compiling fastmetrics v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.54s
[INFO] running `Command { std: "docker" "inspect" "cad8e75a3f2c674b02c4c7a9213d429644bcf565962990076d0a58e098f865db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cad8e75a3f2c674b02c4c7a9213d429644bcf565962990076d0a58e098f865db", kill_on_drop: false }`
[INFO] [stdout] cad8e75a3f2c674b02c4c7a9213d429644bcf565962990076d0a58e098f865db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7ec6b379fe1943ad60fbe3e1cfd87fb7ba8500fae479b75619e9e42a3dd60c0d
[INFO] running `Command { std: "docker" "start" "-a" "7ec6b379fe1943ad60fbe3e1cfd87fb7ba8500fae479b75619e9e42a3dd60c0d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/fastmetrics-8aa8e2d73751cda8)
[INFO] [stdout] 
[INFO] [stdout] running 49 tests
[INFO] [stdout] test metrics::types::counter::tests::test_counter_initialization ... ok
[INFO] [stdout] test metrics::types::counter::tests::test_const_counter ... ok
[INFO] [stdout] test metrics::types::counter::tests::test_counter_inc_by ... ok
[INFO] [stdout] test metrics::types::counter::tests::test_counter_set ... ok
[INFO] [stdout] test metrics::types::counter::tests::test_text_encoding ... ok
[INFO] [stdout] test metrics::family::tests::test_metric_family ... ok
[INFO] [stdout] test metrics::types::counter::tests::test_counter_inc ... ok
[INFO] [stdout] test metrics::types::gauge::tests::test_const_gauge ... ok
[INFO] [stdout] test metrics::types::gauge::tests::test_gauge_inc_dec ... ok
[INFO] [stdout] test metrics::types::gauge::tests::test_gauge_inc_dec_by ... ok
[INFO] [stdout] test metrics::types::counter::tests::test_counter_thread_safe ... ok
[INFO] [stdout] test metrics::types::gauge::tests::test_gauge_initialization ... ok
[INFO] [stdout] test metrics::types::gauge::tests::test_gauge_set ... ok
[INFO] [stdout] test metrics::types::gauge::tests::test_text_encoding ... ok
[INFO] [stdout] test metrics::types::gauge_histogram::tests::test_gauge_histogram_initialization ... ok
[INFO] [stdout] test metrics::types::gauge_histogram::tests::test_gauge_histogram_invalid_observations ... ok
[INFO] [stdout] test metrics::types::gauge_histogram::tests::test_text_encoding ... ok
[INFO] [stdout] test metrics::types::histogram::tests::test_histogram_initialization ... ok
[INFO] [stdout] test metrics::types::histogram::tests::test_histogram_invalid_observations ... ok
[INFO] [stdout] test metrics::types::histogram::tests::test_histogram_observe ... ok
[INFO] [stdout] test metrics::types::gauge::tests::test_gauge_thread_safe ... ok
[INFO] [stdout] test metrics::types::gauge_histogram::tests::test_gauge_histogram_observe ... ok
[INFO] [stdout] test metrics::types::gauge_histogram::tests::test_gauge_histogram_thread_safe ... ok
[INFO] [stdout] test metrics::types::info::tests::test_text_encoding ... ok
[INFO] [stdout] test metrics::types::state_set::tests::test_stateset_initialization ... ok
[INFO] [stdout] test metrics::types::state_set::tests::test_state_set_thread_safe ... ok
[INFO] [stdout] test metrics::types::histogram::tests::test_text_encoding ... ok
[INFO] [stdout] test metrics::types::histogram::tests::test_histogram_thread_safe ... ok
[INFO] [stdout] test metrics::types::state_set::tests::test_stateset_set ... ok
[INFO] [stdout] test metrics::types::state_set::tests::test_stateset_states ... ok
[INFO] [stdout] test metrics::types::state_set::tests::test_const_stateset ... ok
[INFO] [stdout] test metrics::types::state_set::tests::test_text_encoding ... ok
[INFO] [stdout] test metrics::types::unknown::tests::test_text_encoding ... ok
[INFO] [stdout] test raw::atomic::tests::test_atomic_f32 ... ok
[INFO] [stdout] test raw::atomic::tests::test_atomic_f64 ... ok
[INFO] [stdout] test raw::bucket::tests::gen_exponential_buckets ... ok
[INFO] [stdout] test raw::bucket::tests::gen_exponential_buckets_range ... ok
[INFO] [stdout] test raw::bucket::tests::gen_linear_buckets ... ok
[INFO] [stdout] test registry::global::tests::duplicated_set_global_registry ... ok
[INFO] [stdout] test registry::global::tests::test_global_registry ... ok
[INFO] [stdout] test registry::global::tests::test_concurrent_access ... ok
[INFO] [stdout] test registry::global::tests::test_mutable_and_immutable_access ... ok
[INFO] [stdout] test registry::tests::test_is_lowercase ... ok
[INFO] [stdout] test registry::tests::test_is_snake_case ... ok
[INFO] [stdout] test registry::tests::test_register_same_metric ... ok
[INFO] [stdout] test registry::tests::test_registry_subsystem ... ok
[INFO] [stdout] test registry::tests::test_registry_subsystem_with_const_labels ... ok
[INFO] [stdout] test registry::tests::test_subsystem_const_labels_override ... ok
[INFO] [stdout] test metrics::types::counter::tests::test_counter_set_panic - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 49 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7ec6b379fe1943ad60fbe3e1cfd87fb7ba8500fae479b75619e9e42a3dd60c0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ec6b379fe1943ad60fbe3e1cfd87fb7ba8500fae479b75619e9e42a3dd60c0d", kill_on_drop: false }`
[INFO] [stdout] 7ec6b379fe1943ad60fbe3e1cfd87fb7ba8500fae479b75619e9e42a3dd60c0d