[INFO] fetching crate solana_libra_metrics 0.0.1-sol5...
[INFO] building solana_libra_metrics-0.0.1-sol5 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate solana_libra_metrics 0.0.1-sol5 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate solana_libra_metrics 0.0.1-sol5
[INFO] finished tweaking crates.io crate solana_libra_metrics 0.0.1-sol5
[INFO] tweaked toml for crates.io crate solana_libra_metrics 0.0.1-sol5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate solana_libra_metrics 0.0.1-sol5 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 181 packages to latest compatible versions
[INFO] [stderr]       Adding futures v0.1.31 (available: v0.3.31)
[INFO] [stderr]       Adding hyper v0.12.36 (available: v1.7.0)
[INFO] [stderr]       Adding prometheus v0.7.0 (available: v0.14.0)
[INFO] [stderr]       Adding rusty-fork v0.2.2 (available: v0.3.0)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91aa901f4eb174e40df980977ecced6cd1dd75fe706964c545825291f1eb96eb
[INFO] running `Command { std: "docker" "start" "-a" "91aa901f4eb174e40df980977ecced6cd1dd75fe706964c545825291f1eb96eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91aa901f4eb174e40df980977ecced6cd1dd75fe706964c545825291f1eb96eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91aa901f4eb174e40df980977ecced6cd1dd75fe706964c545825291f1eb96eb", kill_on_drop: false }`
[INFO] [stdout] 91aa901f4eb174e40df980977ecced6cd1dd75fe706964c545825291f1eb96eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8523d59299610f0128027f8a664a0816a1164ef7e20a1537c8d335ee562ec3b3
[INFO] running `Command { std: "docker" "start" "-a" "8523d59299610f0128027f8a664a0816a1164ef7e20a1537c8d335ee562ec3b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling deranged v0.5.4
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr] error: could not compile `serde_core` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/bin/rustc --crate-name serde_core --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.228/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="result"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "default", "rc", "result", "std", "unstable"))' -C metadata=d2d9feaeb2f3cd45 -C extra-filename=-89637146ece38bd9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid --check-cfg 'cfg(if_docsrs_then_no_serde_core)' --check-cfg 'cfg(no_core_cstr)' --check-cfg 'cfg(no_core_error)' --check-cfg 'cfg(no_core_net)' --check-cfg 'cfg(no_core_num_saturating)' --check-cfg 'cfg(no_diagnostic_namespace)' --check-cfg 'cfg(no_serde_derive)' --check-cfg 'cfg(no_std_atomic)' --check-cfg 'cfg(no_std_atomic64)' --check-cfg 'cfg(no_target_has_atomic)'` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8523d59299610f0128027f8a664a0816a1164ef7e20a1537c8d335ee562ec3b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8523d59299610f0128027f8a664a0816a1164ef7e20a1537c8d335ee562ec3b3", kill_on_drop: false }`
[INFO] [stdout] 8523d59299610f0128027f8a664a0816a1164ef7e20a1537c8d335ee562ec3b3