[INFO] fetching crate rlink-connector-files 0.5.0...
[INFO] checking rlink-connector-files-0.5.0 against try#7c3a44cf5f95fa5cf164a312bdcf845157af7093 for pr-77325
[INFO] extracting crate rlink-connector-files 0.5.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rlink-connector-files 0.5.0 on toolchain 7c3a44cf5f95fa5cf164a312bdcf845157af7093
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rlink-connector-files 0.5.0
[INFO] finished tweaking crates.io crate rlink-connector-files 0.5.0
[INFO] tweaked toml for crates.io crate rlink-connector-files 0.5.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "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" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c633474634687e0b1e2c3d79bf68edbc7d9b76c80b8b01756ff110f34c1475b7
[INFO] running `Command { std: "docker" "start" "-a" "c633474634687e0b1e2c3d79bf68edbc7d9b76c80b8b01756ff110f34c1475b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c633474634687e0b1e2c3d79bf68edbc7d9b76c80b8b01756ff110f34c1475b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c633474634687e0b1e2c3d79bf68edbc7d9b76c80b8b01756ff110f34c1475b7", kill_on_drop: false }`
[INFO] [stdout] c633474634687e0b1e2c3d79bf68edbc7d9b76c80b8b01756ff110f34c1475b7
[INFO] running `Command { std: "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f12800b4544d80305f5ec956a9f7f1c6a126f8c33f706bee19b2415501dca3e
[INFO] running `Command { std: "docker" "start" "-a" "7f12800b4544d80305f5ec956a9f7f1c6a126f8c33f706bee19b2415501dca3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.96
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling zstd-safe v4.1.0+zstd.1.5.0
[INFO] [stderr]    Compiling metrics v0.14.2
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]     Checking integer-encoding v1.1.7
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking atomic-shim v0.1.0
[INFO] [stderr]    Compiling snap v1.0.5
[INFO] [stderr]    Compiling mysql v20.1.0
[INFO] [stderr]    Compiling sysinfo v0.17.5
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking arc-swap v0.4.8
[INFO] [stderr]     Checking sketches-ddsketch v0.1.2
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]    Compiling parquet v4.2.0
[INFO] [stderr]     Checking murmur3 v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]    Compiling io-enum v0.2.6
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking serbuffer v1.2.2
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking lru v0.6.5
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking anyhow v1.0.40
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]     Checking indexmap v1.6.2
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking object v0.25.2
[INFO] [stderr]     Checking raw-cpuid v9.0.0
[INFO] [stderr]     Checking brotli v3.3.0
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking ordered-float v2.5.1
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking quanta v0.7.2
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking thread-id v4.0.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]     Checking lexical v5.2.2
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking dns-lookup v1.0.7
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]     Checking daggy v0.7.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking twox-hash v1.6.0
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling openssl-sys v0.9.63
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling zstd-sys v1.6.0+zstd.1.5.0
[INFO] [stderr]    Compiling lz4-sys v1.9.2
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]     Checking pem v0.8.3
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]    Compiling native-tls v0.2.7
[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-1.0.72/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="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --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=393059a8391cb2a1 -C extra-filename=-393059a8391cb2a1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-223cc1bf4c7d615f.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-9c9c6fb7ecc8d1ce.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-44670c754cca1080.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" "7f12800b4544d80305f5ec956a9f7f1c6a126f8c33f706bee19b2415501dca3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f12800b4544d80305f5ec956a9f7f1c6a126f8c33f706bee19b2415501dca3e", kill_on_drop: false }`
[INFO] [stdout] 7f12800b4544d80305f5ec956a9f7f1c6a126f8c33f706bee19b2415501dca3e