[INFO] fetching crate prometheus-static-metric 0.5.1...
[INFO] testing prometheus-static-metric-0.5.1 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate prometheus-static-metric 0.5.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate prometheus-static-metric 0.5.1 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-7/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6451dc8905f9954c0927be99d0b174243fa894fb66efbd1b3064465f1ba77dc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f6451dc8905f9954c0927be99d0b174243fa894fb66efbd1b3064465f1ba77dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6451dc8905f9954c0927be99d0b174243fa894fb66efbd1b3064465f1ba77dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6451dc8905f9954c0927be99d0b174243fa894fb66efbd1b3064465f1ba77dc", kill_on_drop: false }`
[INFO] [stdout] f6451dc8905f9954c0927be99d0b174243fa894fb66efbd1b3064465f1ba77dc
[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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a4a59b9766fdc405a5cf91e991fb52b383a3653205a295b050037c623597a1e3
[INFO] running `Command { std: "docker" "start" "-a" "a4a59b9766fdc405a5cf91e991fb52b383a3653205a295b050037c623597a1e3", 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 is never read: `span`
[INFO] [stdout]   --> src/parser.rs:13:5
[INFO] [stdout]    |
[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 13.29s
[INFO] running `Command { std: "docker" "inspect" "a4a59b9766fdc405a5cf91e991fb52b383a3653205a295b050037c623597a1e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4a59b9766fdc405a5cf91e991fb52b383a3653205a295b050037c623597a1e3", kill_on_drop: false }`
[INFO] [stdout] a4a59b9766fdc405a5cf91e991fb52b383a3653205a295b050037c623597a1e3
[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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f671f5ca4472158bd5e802e48502fed8121d5d3c39741fb4e7c82e6922796d90
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f671f5ca4472158bd5e802e48502fed8121d5d3c39741fb4e7c82e6922796d90", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling protobuf v2.20.0
[INFO] [stderr]    Compiling smallvec v1.6.0
[INFO] [stderr]    Compiling prometheus v0.11.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling thread_local v1.1.0
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stdout] warning: field is never read: `span`
[INFO] [stdout]   --> src/parser.rs:13:5
[INFO] [stdout]    |
[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 clap v2.33.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[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 crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling serde_json v1.0.61
[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 criterion v0.3.3
[INFO] [stderr]    Compiling prometheus-static-metric v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `span`
[INFO] [stdout]   --> src/parser.rs:13:5
[INFO] [stdout]    |
[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] error: could not compile `prometheus-static-metric`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name metric_enum examples/metric_enum.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=720ad9154422747b -C extra-filename=-720ad9154422747b --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-d94c0d4e5271ce01.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-f67718dd40129317.rlib --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-1a6a39c3cd9b115f.rlib --extern prometheus=/opt/rustwide/target/debug/deps/libprometheus-b8fae2faad69889a.rlib --extern prometheus_static_metric=/opt/rustwide/target/debug/deps/libprometheus_static_metric-5f0a054af32b4522.so --extern quote=/opt/rustwide/target/debug/deps/libquote-c19654f4bfde824f.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-628f4ad95488d3aa.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/examples/advanced-8a8d8f5fef3ecae2.advanced.32f45768-cgu.0.rcgu.o" "/opt/rustwide/target/debug/examples/advanced-8a8d8f5fef3ecae2.advanced.32f45768-cgu.1.rcgu.o" "/opt/rustwide/target/debug/examples/advanced-8a8d8f5fef3ecae2.advanced.32f45768-cgu.10.rcgu.o" "/opt/rustwide/target/debug/examples/advanced-8a8d8f5fef3ecae2.advanced.32f45768-cgu.11.rcgu.o" "/opt/rustwide/target/debug/examples/advanced-8a8d8f5fef3ecae2.advanced.32f45768-cgu.12.rcgu.o" "/opt/rustwide/target/debug/examples/advanced-8a8d8f5fef3ecae2.advanced.32f45768-cgu.13.rcgu.o" "/opt/rustwide/target/debug/examples/advanced-8a8d8f5fef3ecae2.advanced.32f45768-cgu.14.rcgu.o" "/opt/rustwide/target/debug/examples/advanced-8a8d8f5fef3ecae2.advanced.32f45768-cgu.15.rcgu.o" "/opt/rustwide/target/debug/examples/advanced-8a8d8f5fef3ecae2.advanced.32f45768-cgu.2.rcgu.o" "/opt/rustwide/target/debug/examples/advanced-8a8d8f5fef3ecae2.advanced.32f45768-cgu.3.rcgu.o" "/opt/rustwide/target/debug/examples/advanced-8a8d8f5fef3ecae2.advanced.32f45768-cgu.4.rcgu.o" "/opt/rustwide/target/debug/examples/advanced-8a8d8f5fef3ecae2.advanced.32f45768-cgu.5.rcgu.o" "/opt/rustwide/target/debug/examples/advanced-8a8d8f5fef3ecae2.advanced.32f45768-cgu.6.rcgu.o" "/opt/rustwide/target/debug/examples/advanced-8a8d8f5fef3ecae2.advanced.32f45768-cgu.7.rcgu.o" "/opt/rustwide/target/debug/examples/advanced-8a8d8f5fef3ecae2.advanced.32f45768-cgu.8.rcgu.o" "/opt/rustwide/target/debug/examples/advanced-8a8d8f5fef3ecae2.advanced.32f45768-cgu.9.rcgu.o" "/opt/rustwide/target/debug/examples/advanced-8a8d8f5fef3ecae2.3cq9shrrgd9rzvuo.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libprometheus-b8fae2faad69889a.rlib" "/opt/rustwide/target/debug/deps/libthiserror-9da322ebd27c0014.rlib" "/opt/rustwide/target/debug/deps/libprotobuf-961d6690055e6a76.rlib" "/opt/rustwide/target/debug/deps/libregex-0ace0fb2e150d5e9.rlib" "/opt/rustwide/target/debug/deps/libthread_local-59052ea27e63552b.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-5476c750da7ba7f3.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-e9279f0183ab6dab.rlib" "/opt/rustwide/target/debug/deps/libmemchr-e7268561e64e0c3d.rlib" "/opt/rustwide/target/debug/deps/libfnv-74d41fd10066a65d.rlib" "/opt/rustwide/target/debug/deps/libparking_lot-bce06e00b77ab2ee.rlib" "/opt/rustwide/target/debug/deps/libparking_lot_core-e15c6907c8f686f9.rlib" "/opt/rustwide/target/debug/deps/liblibc-d8ae320e0a30525b.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-f2b610225066ca53.rlib" "/opt/rustwide/target/debug/deps/liblock_api-23da977340193230.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-4b059ff10415273f.rlib" "/opt/rustwide/target/debug/deps/libinstant-935e74d8392426ec.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-477585129feec44c.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-f67718dd40129317.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9c44f1fe63de3edb.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-5dfdbb680ac299a1.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-353beaf877db2fdf.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-cd4abd33332d2d3f.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-3b908b5b50ddd80c.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-9cafd3521b5532d3.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-7b0935832903a9ac.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-8a349b13d67c76e3.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-9d41e7cb09eafd8e.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-095194fedb4c0ec4.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-968cf83f088269ec.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-e63bbb95a6beff5c.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-9f216e67c2916fa5.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-4688b763605c6a0e.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a9b2dc3244289321.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-52d5241975807511.rlib" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9924c22ae1efcf66.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-003d83a588984e1f.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/b70888601af92f6cdc0364abab3446e418b91d36/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/examples/advanced-8a8d8f5fef3ecae2" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: collect2: fatal error: ld terminated with signal 9 [Killed]
[INFO] [stdout]           compilation terminated.
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f671f5ca4472158bd5e802e48502fed8121d5d3c39741fb4e7c82e6922796d90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f671f5ca4472158bd5e802e48502fed8121d5d3c39741fb4e7c82e6922796d90", kill_on_drop: false }`
[INFO] [stdout] f671f5ca4472158bd5e802e48502fed8121d5d3c39741fb4e7c82e6922796d90