[INFO] fetching crate test_utils 0.3.0...
[INFO] checking test_utils-0.3.0 against master#2ad4eb207b369017f5140918b5e4b0d3650b46b0 for pr-95611
[INFO] extracting crate test_utils 0.3.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate test_utils 0.3.0 on toolchain 2ad4eb207b369017f5140918b5e4b0d3650b46b0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate test_utils 0.3.0
[INFO] finished tweaking crates.io crate test_utils 0.3.0
[INFO] tweaked toml for crates.io crate test_utils 0.3.0 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "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" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded state v0.4.2
[INFO] [stderr]   Downloaded universal-hash v0.4.1
[INFO] [stderr]   Downloaded pear_codegen v0.1.4
[INFO] [stderr]   Downloaded cookie v0.11.4
[INFO] [stderr]   Downloaded devise v0.2.0
[INFO] [stderr]   Downloaded devise_core v0.2.0
[INFO] [stderr]   Downloaded rocket_codegen v0.4.10
[INFO] [stderr]   Downloaded pear v0.1.4
[INFO] [stderr]   Downloaded devise_codegen v0.2.0
[INFO] [stderr]   Downloaded rocket_http v0.4.10
[INFO] [stderr]   Downloaded diesel v1.4.8
[INFO] [stderr]   Downloaded rocket v0.4.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77d103dcd3bf25780716f072e68ebe9a198a867f184041842c435feac30c69d5
[INFO] running `Command { std: "docker" "start" "-a" "77d103dcd3bf25780716f072e68ebe9a198a867f184041842c435feac30c69d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77d103dcd3bf25780716f072e68ebe9a198a867f184041842c435feac30c69d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77d103dcd3bf25780716f072e68ebe9a198a867f184041842c435feac30c69d5", kill_on_drop: false }`
[INFO] [stdout] 77d103dcd3bf25780716f072e68ebe9a198a867f184041842c435feac30c69d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0e5c787714c0eba9fbcc5fe1dc5e27d0356a93b9e90e94943e0d488d2db7a42
[INFO] running `Command { std: "docker" "start" "-a" "f0e5c787714c0eba9fbcc5fe1dc5e27d0356a93b9e90e94943e0d488d2db7a42", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling libc v0.2.122
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling httparse v1.6.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling cpuid-bool v0.2.0
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling cpufeatures v0.2.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]    Compiling state v0.4.2
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling pear_codegen v0.1.4
[INFO] [stderr]    Compiling rocket_codegen v0.4.10
[INFO] [stderr]    Compiling rocket v0.4.10
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]    Compiling cipher v0.2.5
[INFO] [stderr]    Compiling universal-hash v0.4.1
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.10.1
[INFO] [stderr]    Compiling aead v0.3.2
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.5
[INFO] [stderr]    Compiling polyval v0.4.5
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling hmac v0.10.1
[INFO] [stderr]    Compiling hkdf v0.10.0
[INFO] [stderr]    Compiling ghash v0.3.1
[INFO] [stderr]     Checking r2d2 v0.8.9
[INFO] [stderr]    Compiling aes-soft v0.6.4
[INFO] [stderr]    Compiling ctr v0.6.0
[INFO] [stderr]    Compiling aes v0.6.0
[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,artifacts,future-incompat --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-mut"' -C metadata=dbcc06cc530f89eb -C extra-filename=-dbcc06cc530f89eb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-da4bcb074ffb1a47.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ca674b7f777c25be.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-17df5e5ca0bb5bda.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] running `Command { std: "docker" "inspect" "f0e5c787714c0eba9fbcc5fe1dc5e27d0356a93b9e90e94943e0d488d2db7a42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0e5c787714c0eba9fbcc5fe1dc5e27d0356a93b9e90e94943e0d488d2db7a42", kill_on_drop: false }`
[INFO] [stdout] f0e5c787714c0eba9fbcc5fe1dc5e27d0356a93b9e90e94943e0d488d2db7a42