[INFO] fetching crate prometheus-static-metric 0.5.1...
[INFO] testing prometheus-static-metric-0.5.1 against beta-2024-10-19 for beta-1.83-1
[INFO] extracting crate prometheus-static-metric 0.5.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate prometheus-static-metric 0.5.1 on toolchain beta-2024-10-19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-10-19" "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-6-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-10-19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-10-19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b08bef11a39e288f6b679b546516e27cf5372b7815b641dd2586420d671a2e6
[INFO] running `Command { std: "docker" "start" "-a" "5b08bef11a39e288f6b679b546516e27cf5372b7815b641dd2586420d671a2e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b08bef11a39e288f6b679b546516e27cf5372b7815b641dd2586420d671a2e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b08bef11a39e288f6b679b546516e27cf5372b7815b641dd2586420d671a2e6", kill_on_drop: false }`
[INFO] [stdout] 5b08bef11a39e288f6b679b546516e27cf5372b7815b641dd2586420d671a2e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-10-19" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecf083c6245137d14c51b5898d3748e742002253de1e742e4ad1eed345746043
[INFO] running `Command { std: "docker" "start" "-a" "ecf083c6245137d14c51b5898d3748e742002253de1e742e4ad1eed345746043", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling lazy_static v1.4.0
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.45s
[INFO] running `Command { std: "docker" "inspect" "ecf083c6245137d14c51b5898d3748e742002253de1e742e4ad1eed345746043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecf083c6245137d14c51b5898d3748e742002253de1e742e4ad1eed345746043", kill_on_drop: false }`
[INFO] [stdout] ecf083c6245137d14c51b5898d3748e742002253de1e742e4ad1eed345746043
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-10-19" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5dae5b46156b2bb996b7f64245c75f110fa534201beb7aa0114dceb5fbfe3aa8
[INFO] running `Command { std: "docker" "start" "-a" "5dae5b46156b2bb996b7f64245c75f110fa534201beb7aa0114dceb5fbfe3aa8", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling thread_local v1.1.0
[INFO] [stderr]    Compiling protobuf v2.20.0
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling smallvec v1.6.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling prometheus v0.11.0
[INFO] [stderr]    Compiling half v1.6.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling tinytemplate v1.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[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] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling criterion v0.3.3
[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] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/beta-2024-10-19-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustcVUe1fN/symbols.o" "/opt/rustwide/target/debug/deps/metric-a533d0f2d0678f54.metric.30f5baf192a4cff9-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/metric-a533d0f2d0678f54.metric.30f5baf192a4cff9-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/metric-a533d0f2d0678f54.metric.30f5baf192a4cff9-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/metric-a533d0f2d0678f54.77jsk87wp0xiakxu5gy0ryrko.rcgu.o" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/beta-2024-10-19-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-4a981994357d922b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-10-19-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-ad7e6b9299e4d13b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-10-19-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-1b213268a64368db.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-10-19-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-4e7269f552a7fa2f.rlib" "/opt/rustwide/target/debug/deps/libprometheus-e12606a3f6f060fc.rlib" "/opt/rustwide/target/debug/deps/libthiserror-f71a81b412043014.rlib" "/opt/rustwide/target/debug/deps/libprotobuf-4cac7be5f9c3905f.rlib" "/opt/rustwide/target/debug/deps/libregex-990a16f4636865f2.rlib" "/opt/rustwide/target/debug/deps/libthread_local-08b368b89dd5d70f.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-5b3f39ae437f45ba.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-4c23279a85360a03.rlib" "/opt/rustwide/target/debug/deps/libmemchr-e5f220b5ff6b3a36.rlib" "/opt/rustwide/target/debug/deps/libfnv-953831fe314029b4.rlib" "/opt/rustwide/target/debug/deps/libparking_lot-65da165aeafc1980.rlib" "/opt/rustwide/target/debug/deps/libparking_lot_core-e45e35322cdda734.rlib" "/opt/rustwide/target/debug/deps/liblibc-3a2c956ad47007b5.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-1d66b18000a78b9b.rlib" "/opt/rustwide/target/debug/deps/liblock_api-7980ec30146f5cb6.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-31f1b56a39f2a372.rlib" "/opt/rustwide/target/debug/deps/libinstant-51ec2656f79402b9.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-efa3519517df6cf0.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-a3e7e701fcd1f47b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-10-19-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-c23a60ad8ad82457.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-10-19-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-8075ca78f1ab4d36.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-10-19-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-a7ce5bb5de1292ec.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-10-19-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-1eb5a29926b5407e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-10-19-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-c87392f211c13f97.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-10-19-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-15b5b2b2c6f086dd.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-10-19-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-c2c541cae2b103ab.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-10-19-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-15c1ed2fa5431191.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-10-19-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-4d1181c0949c6b3a.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-10-19-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-6c4974d38bc789f2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-10-19-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-fd2f9881207a1ddb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-10-19-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-22ef94d07d56001a.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-10-19-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-fe63cadd4ae35992.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-10-19-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-ee98afae2c1a70ca.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-10-19-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-ea4b2c81c1419814.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-10-19-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a547f84ff160c665.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-10-19-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-4cf833632aafa84c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-10-19-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-65c2c6d2d6ae570b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-10-19-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-7e3ac74759210e95.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2024-10-19-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/metric-a533d0f2d0678f54" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: collect2: fatal error: ld terminated with signal 9 [Killed]
[INFO] [stdout]           compilation terminated.
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prometheus-static-metric` (test "metric") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5dae5b46156b2bb996b7f64245c75f110fa534201beb7aa0114dceb5fbfe3aa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dae5b46156b2bb996b7f64245c75f110fa534201beb7aa0114dceb5fbfe3aa8", kill_on_drop: false }`
[INFO] [stdout] 5dae5b46156b2bb996b7f64245c75f110fa534201beb7aa0114dceb5fbfe3aa8