[INFO] fetching crate solana-metrics 1.7.9...
[INFO] documenting solana-metrics-1.7.9 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate solana-metrics 1.7.9 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate solana-metrics 1.7.9 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate solana-metrics 1.7.9
[INFO] finished tweaking crates.io crate solana-metrics 1.7.9
[INFO] tweaked toml for crates.io crate solana-metrics 1.7.9 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b7c7bbc57e60bd0b1c6db76fdf41d6bd1df907ecd6fa900ca3876cc0f16e026
[INFO] running `Command { std: "docker" "start" "-a" "5b7c7bbc57e60bd0b1c6db76fdf41d6bd1df907ecd6fa900ca3876cc0f16e026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b7c7bbc57e60bd0b1c6db76fdf41d6bd1df907ecd6fa900ca3876cc0f16e026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b7c7bbc57e60bd0b1c6db76fdf41d6bd1df907ecd6fa900ca3876cc0f16e026", kill_on_drop: false }`
[INFO] [stdout] 5b7c7bbc57e60bd0b1c6db76fdf41d6bd1df907ecd6fa900ca3876cc0f16e026
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8292cc5c3668ef0cb1f0ce334624d03540d0aece90c9aae10cf2fecef52f9c51
[INFO] running `Command { std: "docker" "start" "-a" "8292cc5c3668ef0cb1f0ce334624d03540d0aece90c9aae10cf2fecef52f9c51", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling feature-probe v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]     Checking signature v1.3.1
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling bs58 v0.3.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking uriparse v0.6.3
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]    Compiling solana-frozen-abi-macro v1.7.9
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking num-traits v0.2.14
[INFO] [stderr]    Compiling solana-frozen-abi v1.7.9
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]    Compiling solana-program v1.7.9
[INFO] [stderr]     Checking jobserver v0.1.23
[INFO] [stderr]    Compiling solana-sdk v1.7.9
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr] error: could not compile `serde`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.127/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=1d37970d7e69b8e5 -C extra-filename=-1d37970d7e69b8e5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cfg ops_bound --cfg core_reverse --cfg de_boxed_c_str --cfg de_boxed_path --cfg de_rc_dst --cfg core_duration --cfg integer128 --cfg range_inclusive --cfg num_nonzero --cfg serde_derive --cfg core_try_from --cfg num_nonzero_signed --cfg systemtime_checked_add --cfg std_atomic64 --cfg std_atomic` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8292cc5c3668ef0cb1f0ce334624d03540d0aece90c9aae10cf2fecef52f9c51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8292cc5c3668ef0cb1f0ce334624d03540d0aece90c9aae10cf2fecef52f9c51", kill_on_drop: false }`
[INFO] [stdout] 8292cc5c3668ef0cb1f0ce334624d03540d0aece90c9aae10cf2fecef52f9c51