[INFO] fetching crate solana-watchtower 1.6.26...
[INFO] checking solana-watchtower-1.6.26 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate solana-watchtower 1.6.26 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate solana-watchtower 1.6.26 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate solana-watchtower 1.6.26
[INFO] finished tweaking crates.io crate solana-watchtower 1.6.26
[INFO] tweaked toml for crates.io crate solana-watchtower 1.6.26 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate solana-watchtower 1.6.26 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54bf46fcd5954d452a4594d0b3a530d9f3d1673530aaac53c30876bac6af57fb
[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" "54bf46fcd5954d452a4594d0b3a530d9f3d1673530aaac53c30876bac6af57fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54bf46fcd5954d452a4594d0b3a530d9f3d1673530aaac53c30876bac6af57fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54bf46fcd5954d452a4594d0b3a530d9f3d1673530aaac53c30876bac6af57fb", kill_on_drop: false }`
[INFO] [stdout] 54bf46fcd5954d452a4594d0b3a530d9f3d1673530aaac53c30876bac6af57fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b499bceb32cecdc96c30d5eb3c5ef4c1d365510fd42eadba2142688a0b352f56
[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" "b499bceb32cecdc96c30d5eb3c5ef4c1d365510fd42eadba2142688a0b352f56", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling feature-probe v0.1.1
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking bs58 v0.3.1
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling zstd-safe v2.0.6+zstd.1.4.7
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking base32 v0.4.0
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]     Checking aliasable v0.1.3
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking symlink v0.1.0
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]    Compiling bv v0.11.1
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking proc-macro2 v1.0.29
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking tracing-core v0.1.20
[INFO] [stderr]     Checking uriparse v0.6.3
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking dir-diff v0.3.2
[INFO] [stderr]    Compiling solana-frozen-abi-macro v1.6.26
[INFO] [stderr]    Compiling solana-frozen-abi v1.6.26
[INFO] [stderr]    Compiling solana-program v1.6.26
[INFO] [stderr]    Compiling solana-sdk v1.6.26
[INFO] [stderr]    Compiling solana-vote-program v1.6.26
[INFO] [stderr]    Compiling solana-stake-program v1.6.26
[INFO] [stderr]    Compiling solana-version v1.6.26
[INFO] [stderr]    Compiling solana-runtime v1.6.26
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking tracing v0.1.28
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling borsh-derive-internal v0.9.1
[INFO] [stderr]    Compiling borsh-schema-derive-internal v0.9.1
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]     Checking semver-parser v0.10.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling solana-sdk-macro v1.6.26
[INFO] [stderr]     Checking syn v1.0.76
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking jobserver v0.1.24
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]     Checking rpassword v4.0.5
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking zeroize v1.4.1
[INFO] [stderr]     Checking semver v0.11.0
[INFO] [stderr]    Compiling ouroboros_macro v0.10.1
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking solana-rayon-threadlimit v1.6.26
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking cc v1.0.49
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking tar v0.4.37
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking curve25519-dalek v2.1.3
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking solana-logger v1.6.26
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.44/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"' -C metadata=97d9b59598e859c1 -C extra-filename=-97d9b59598e859c1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-5cebad6e659f17bd.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-47155224e55b137e.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-dfa09cd0525232d0.rmeta --cap-lints allow --cap-lints=forbid --cfg syn_can_match_trailing_dollar --cfg syn_can_use_thread_id --cfg syn_can_use_associated_constants --cfg syn_can_call_macro_by_path` (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" "b499bceb32cecdc96c30d5eb3c5ef4c1d365510fd42eadba2142688a0b352f56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b499bceb32cecdc96c30d5eb3c5ef4c1d365510fd42eadba2142688a0b352f56", kill_on_drop: false }`
[INFO] [stdout] b499bceb32cecdc96c30d5eb3c5ef4c1d365510fd42eadba2142688a0b352f56