[INFO] fetching crate zju-jw-scraper 0.2.1...
[INFO] checking zju-jw-scraper-0.2.1 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate zju-jw-scraper 0.2.1 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate zju-jw-scraper 0.2.1 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-28/source/rust-toolchain
[INFO] started tweaking crates.io crate zju-jw-scraper 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate zju-jw-scraper 0.2.1
[INFO] tweaked toml for crates.io crate zju-jw-scraper 0.2.1 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate crates.io crate zju-jw-scraper 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded string_cache_codegen v0.4.2
[INFO] [stderr]   Downloaded string_cache v0.7.3
[INFO] [stderr]   Downloaded futures-core-preview v0.3.0-alpha.18
[INFO] [stderr]   Downloaded futures-sink-preview v0.3.0-alpha.18
[INFO] [stderr]   Downloaded derive_more v0.15.0
[INFO] [stderr]   Downloaded futures-channel-preview v0.3.0-alpha.18
[INFO] [stderr]   Downloaded rand v0.7.0
[INFO] [stderr]   Downloaded derive_more v0.13.0
[INFO] [stderr]   Downloaded futures-util-preview v0.3.0-alpha.18
[INFO] [stderr]   Downloaded pin-project-internal v0.4.0-alpha.7
[INFO] [stderr]   Downloaded tower-make v0.1.0-alpha.2
[INFO] [stderr]   Downloaded tokio-net v0.2.0-alpha.4
[INFO] [stderr]   Downloaded http-body v0.2.0-alpha.1
[INFO] [stderr]   Downloaded reformation v0.4.1
[INFO] [stderr]   Downloaded ego-tree v0.6.0
[INFO] [stderr]   Downloaded unhtml v0.7.3
[INFO] [stderr]   Downloaded interfacer-http-hyper v0.1.0
[INFO] [stderr]   Downloaded async-trait v0.1.11
[INFO] [stderr]   Downloaded tower-service v0.3.0-alpha.1
[INFO] [stderr]   Downloaded hyper-tls v0.4.0-alpha.1
[INFO] [stderr]   Downloaded tokio-macros v0.2.0-alpha.4
[INFO] [stderr]   Downloaded interfacer-http-attribute v0.2.1
[INFO] [stderr]   Downloaded tokio-io v0.2.0-alpha.4
[INFO] [stderr]   Downloaded interfacer-http v0.2.2
[INFO] [stderr]   Downloaded tokio-tls v0.3.0-alpha.4
[INFO] [stderr]   Downloaded pin-project v0.4.0-alpha.7
[INFO] [stderr]   Downloaded tokio-codec v0.2.0-alpha.4
[INFO] [stderr]   Downloaded tracing v0.1.8
[INFO] [stderr]   Downloaded tracing-attributes v0.1.2
[INFO] [stderr]   Downloaded tokio-fs v0.2.0-alpha.4
[INFO] [stderr]   Downloaded tracing-core v0.1.5
[INFO] [stderr]   Downloaded reformation_derive v0.4.1
[INFO] [stderr]   Downloaded unhtml_derive v0.7.3
[INFO] [stderr]   Downloaded tokio-executor v0.2.0-alpha.4
[INFO] [stderr]   Downloaded hyper v0.13.0-alpha.1
[INFO] [stderr]   Downloaded tokio-sync v0.2.0-alpha.4
[INFO] [stderr]   Downloaded h2 v0.2.0-alpha.1
[INFO] [stderr]   Downloaded tokio-timer v0.3.0-alpha.4
[INFO] [stderr]   Downloaded tokio v0.2.0-alpha.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8eafbc33a9dd9cb370ef7acea585737d498fe1fec9c226bed872ae6dc51c0d5e
[INFO] running `Command { std: "docker" "start" "-a" "8eafbc33a9dd9cb370ef7acea585737d498fe1fec9c226bed872ae6dc51c0d5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8eafbc33a9dd9cb370ef7acea585737d498fe1fec9c226bed872ae6dc51c0d5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eafbc33a9dd9cb370ef7acea585737d498fe1fec9c226bed872ae6dc51c0d5e", kill_on_drop: false }`
[INFO] [stdout] 8eafbc33a9dd9cb370ef7acea585737d498fe1fec9c226bed872ae6dc51c0d5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73bc9ff6976d8efc403564feabe8dfa089a57589142e3e3b726d594cf4ab6e97
[INFO] running `Command { std: "docker" "start" "-a" "73bc9ff6976d8efc403564feabe8dfa089a57589142e3e3b726d594cf4ab6e97", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling serde v1.0.100
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling procedural-masquerade v0.1.6
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling thin-slice v0.1.1
[INFO] [stderr]    Compiling ego-tree v0.6.0
[INFO] [stderr]    Compiling openssl v0.10.24
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking indexmap v1.2.0
[INFO] [stderr]    Compiling mime v0.3.14
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking tower-service v0.3.0-alpha.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.0-alpha.7
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.5/build.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -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=9bc3657134e8d39e -C extra-filename=-9bc3657134e8d39e --out-dir /opt/rustwide/target/debug/build/syn-9bc3657134e8d39e -L dependency=/opt/rustwide/target/debug/deps --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" "73bc9ff6976d8efc403564feabe8dfa089a57589142e3e3b726d594cf4ab6e97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73bc9ff6976d8efc403564feabe8dfa089a57589142e3e3b726d594cf4ab6e97", kill_on_drop: false }`
[INFO] [stdout] 73bc9ff6976d8efc403564feabe8dfa089a57589142e3e3b726d594cf4ab6e97