[INFO] fetching crate prometheus-static-metric 0.5.1...
[INFO] testing prometheus-static-metric-0.5.1 against beta-2022-09-25 for beta-1.65-1
[INFO] extracting crate prometheus-static-metric 0.5.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate prometheus-static-metric 0.5.1 on toolchain beta-2022-09-25
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-09-25" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prometheus-static-metric 0.5.1
[INFO] finished tweaking crates.io crate prometheus-static-metric 0.5.1
[INFO] tweaked toml for crates.io crate prometheus-static-metric 0.5.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate prometheus-static-metric 0.5.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-09-25" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-09-25" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 978d7dc0eb71252b4893c88e147194add083f8ed47673bb55b31e1a15a066897
[INFO] running `Command { std: "docker" "start" "-a" "978d7dc0eb71252b4893c88e147194add083f8ed47673bb55b31e1a15a066897", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "978d7dc0eb71252b4893c88e147194add083f8ed47673bb55b31e1a15a066897", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "978d7dc0eb71252b4893c88e147194add083f8ed47673bb55b31e1a15a066897", kill_on_drop: false }`
[INFO] [stdout] 978d7dc0eb71252b4893c88e147194add083f8ed47673bb55b31e1a15a066897
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-09-25" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 032b594b0815102f9d1febe2ca5e5114516daccbe48c3c2f1746706903b13836
[INFO] running `Command { std: "docker" "start" "-a" "032b594b0815102f9d1febe2ca5e5114516daccbe48c3c2f1746706903b13836", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling prometheus-static-metric v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]   --> src/parser.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct LabelEnum {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 13 |     pub span: Span,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.53s
[INFO] running `Command { std: "docker" "inspect" "032b594b0815102f9d1febe2ca5e5114516daccbe48c3c2f1746706903b13836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "032b594b0815102f9d1febe2ca5e5114516daccbe48c3c2f1746706903b13836", kill_on_drop: false }`
[INFO] [stdout] 032b594b0815102f9d1febe2ca5e5114516daccbe48c3c2f1746706903b13836
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-09-25" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f393e3a79afbd389a9cc0cf5b8b28147df45bf3ab7af56b0e28ce1b9e001e89
[INFO] running `Command { std: "docker" "start" "-a" "2f393e3a79afbd389a9cc0cf5b8b28147df45bf3ab7af56b0e28ce1b9e001e89", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling thread_local v1.1.0
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling smallvec v1.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling protobuf v2.20.0
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling prometheus v0.11.0
[INFO] [stderr]    Compiling half v1.6.0
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling tinytemplate v1.2.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]   --> src/parser.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct LabelEnum {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 13 |     pub span: Span,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling prometheus-static-metric v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]   --> src/parser.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct LabelEnum {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 13 |     pub span: Span,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 32s
[INFO] running `Command { std: "docker" "inspect" "2f393e3a79afbd389a9cc0cf5b8b28147df45bf3ab7af56b0e28ce1b9e001e89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f393e3a79afbd389a9cc0cf5b8b28147df45bf3ab7af56b0e28ce1b9e001e89", kill_on_drop: false }`
[INFO] [stdout] 2f393e3a79afbd389a9cc0cf5b8b28147df45bf3ab7af56b0e28ce1b9e001e89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-09-25" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3d1b64336d34a8f2e613ed61b864e52b1c996817c949353117771e5652c760f6
[INFO] running `Command { std: "docker" "start" "-a" "3d1b64336d34a8f2e613ed61b864e52b1c996817c949353117771e5652c760f6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: field `span` is never read
[INFO] [stderr]   --> src/parser.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct LabelEnum {
[INFO] [stderr]    |        --------- field in this struct
[INFO] [stderr] 13 |     pub span: Span,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `prometheus-static-metric` (lib) generated 1 warning
[INFO] [stderr] warning: `prometheus-static-metric` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/prometheus_static_metric-17a3da366e2b5578)
[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/label_enum.rs (/opt/rustwide/target/debug/deps/label_enum-9cc43a532c96dfb9)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_equal ... ok
[INFO] [stderr]      Running tests/metric.rs (/opt/rustwide/target/debug/deps/metric-85dd020f3cc2c776)
[INFO] [stdout] test test_format ... 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] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test test_field_value ... ok
[INFO] [stdout] test test_try_get_with_field_value ... ok
[INFO] [stdout] test test_get ... ok
[INFO] [stdout] test test_try_get ... ok
[INFO] [stdout] test test_fields ... ok
[INFO] [stdout] test test_label_order ... ok
[INFO] [stdout] test test_get_with_field_value ... ok
[INFO] [stdout] test test_wrong_label_2 - should panic ... ok
[INFO] [stdout] test test_wrong_label_1 - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prometheus-static-metric
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3d1b64336d34a8f2e613ed61b864e52b1c996817c949353117771e5652c760f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d1b64336d34a8f2e613ed61b864e52b1c996817c949353117771e5652c760f6", kill_on_drop: false }`
[INFO] [stdout] 3d1b64336d34a8f2e613ed61b864e52b1c996817c949353117771e5652c760f6