[INFO] fetching crate solana-validator 1.6.2...
[INFO] checking solana-validator-1.6.2 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate solana-validator 1.6.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate solana-validator 1.6.2 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate solana-validator 1.6.2
[INFO] finished tweaking crates.io crate solana-validator 1.6.2
[INFO] tweaked toml for crates.io crate solana-validator 1.6.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate solana-validator 1.6.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--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-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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 880f9d4b0bfb49bcf77828a584ae38b6920861b5e96729b597bab02f6ef37525
[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" "880f9d4b0bfb49bcf77828a584ae38b6920861b5e96729b597bab02f6ef37525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "880f9d4b0bfb49bcf77828a584ae38b6920861b5e96729b597bab02f6ef37525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "880f9d4b0bfb49bcf77828a584ae38b6920861b5e96729b597bab02f6ef37525", kill_on_drop: false }`
[INFO] [stdout] 880f9d4b0bfb49bcf77828a584ae38b6920861b5e96729b597bab02f6ef37525
[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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--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] 940e93d77678d874b173b55dfd63b7aeb6cf1eca028e1950d13f61d3b4b6c845
[INFO] running `Command { std: "docker" "start" "-a" "940e93d77678d874b173b55dfd63b7aeb6cf1eca028e1950d13f61d3b4b6c845", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling const_fn v0.4.6
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]     Checking mio-named-pipes v0.1.7
[INFO] [stderr]     Checking simpl v0.1.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking indexed v0.1.1
[INFO] [stderr]     Checking fs_extra v1.2.0
[INFO] [stderr]     Checking raptorq v1.6.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]    Compiling ahash v0.6.3
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking fast-math v0.1.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]     Checking trees v0.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking lru v0.6.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking unix_socket2 v0.5.4
[INFO] [stderr]     Checking fd-lock v2.0.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking users v0.10.0
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]    Compiling solana-ledger v1.6.2
[INFO] [stderr]    Compiling solana-core v1.6.2
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking core_affinity v0.5.10
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking syn v1.0.67
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling reed-solomon-erasure v4.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling pin-project-internal v1.0.6
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling borsh-schema-derive-internal v0.8.2
[INFO] [stderr]    Compiling borsh-derive-internal v0.8.2
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling solana-sdk-macro v1.6.2
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling scroll_derive v0.10.5
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.67/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=d9c38ec8c9511af9 -C extra-filename=-d9c38ec8c9511af9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-7fbb84ca2ea85d93.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-6d55fdd0a5b07d83.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-0e45994d65dc2f58.rmeta --cap-lints allow --cap-lints=forbid` (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" "940e93d77678d874b173b55dfd63b7aeb6cf1eca028e1950d13f61d3b4b6c845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "940e93d77678d874b173b55dfd63b7aeb6cf1eca028e1950d13f61d3b4b6c845", kill_on_drop: false }`
[INFO] [stdout] 940e93d77678d874b173b55dfd63b7aeb6cf1eca028e1950d13f61d3b4b6c845