[INFO] updating cached repository https://github.com/kpcyrd/sn0int
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/kpcyrd/sn0int
[INFO] [stderr]    f7819d8..c93f19c  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c93f19c02ae1831fdbd6e83e88a63ce071369dc4
[INFO] checking kpcyrd/sn0int against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkpcyrd%2Fsn0int" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kpcyrd/sn0int on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/kpcyrd/sn0int
[INFO] removed workspace from git repo https://github.com/kpcyrd/sn0int
[INFO] removed path dependency sn0int-common from git repo https://github.com/kpcyrd/sn0int
[INFO] finished tweaking git repo https://github.com/kpcyrd/sn0int
[INFO] tweaked toml for git repo https://github.com/kpcyrd/sn0int written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/kpcyrd/sn0int already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ab45e35c6dbafe21307b4ca957af5ba78aec4775a150e7bc9600b6a98757a44e
[INFO] running `"docker" "start" "-a" "ab45e35c6dbafe21307b4ca957af5ba78aec4775a150e7bc9600b6a98757a44e"`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]    Compiling procedural-masquerade v0.1.6
[INFO] [stderr]     Checking data-encoding v2.1.2
[INFO] [stderr]     Checking string_cache_shared v0.3.0
[INFO] [stderr]    Compiling seccomp-sys v0.1.3
[INFO] [stderr]     Checking pdqselect v0.1.0
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking nibble_vec v0.0.4
[INFO] [stderr]     Checking thin-slice v0.1.1
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking strum v0.15.0
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking mutate_once v0.1.1
[INFO] [stderr]     Checking bs58 v0.3.0
[INFO] [stderr]     Checking separator v0.4.1
[INFO] [stderr]     Checking strum v0.17.1
[INFO] [stderr]     Checking opener v0.4.1
[INFO] [stderr]     Checking bytesize v1.0.0
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]    Compiling ring v0.16.11
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling libsqlite3-sys v0.16.0
[INFO] [stderr]    Compiling lua52-sys v0.1.2
[INFO] [stderr]    Compiling nom v5.1.0
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking dtoa-short v0.3.2
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]     Checking radix_trie v0.1.6
[INFO] [stderr]     Checking kamadak-exif v0.4.0
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking arrayvec v0.4.12
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling cssparser v0.25.9
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling strum_macros v0.17.1
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]    Compiling proc-macro-error v0.4.8
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.8
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking backtrace v0.3.43
[INFO] [stderr]     Checking shellwords v1.0.0
[INFO] [stderr]     Checking pem v0.7.0
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking colored v1.9.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking resolv-conf v0.6.2
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking rstar v0.2.0
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking hlua-badtouch v0.4.2
[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,link -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=b0427594d7bf35cf -C extra-filename=-b0427594d7bf35cf --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-009ee6366585abe6.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-298da83f791a72ab.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-6be59db631172c8e.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 `"docker" "inspect" "ab45e35c6dbafe21307b4ca957af5ba78aec4775a150e7bc9600b6a98757a44e"`
[INFO] running `"docker" "rm" "-f" "ab45e35c6dbafe21307b4ca957af5ba78aec4775a150e7bc9600b6a98757a44e"`
[INFO] [stdout] ab45e35c6dbafe21307b4ca957af5ba78aec4775a150e7bc9600b6a98757a44e