[INFO] fetching crate drive-client 0.1.6...
[INFO] documenting drive-client-0.1.6 against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] extracting crate drive-client 0.1.6 into /workspace/builds/worker-32/source
[INFO] validating manifest of crates.io crate drive-client 0.1.6 on toolchain e1df625306f4136949e02612406f0c60df6008f3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate drive-client 0.1.6
[INFO] finished tweaking crates.io crate drive-client 0.1.6
[INFO] tweaked toml for crates.io crate drive-client 0.1.6 written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "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" "+e1df625306f4136949e02612406f0c60df6008f3" "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 sha-1 v0.9.8
[INFO] [stderr]   Downloaded hex v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 426a11336c5cffb1c7e09ddaef0d45b2ac2d9f2df2e57660553eddf9e6c6f101
[INFO] running `Command { std: "docker" "start" "-a" "426a11336c5cffb1c7e09ddaef0d45b2ac2d9f2df2e57660553eddf9e6c6f101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "426a11336c5cffb1c7e09ddaef0d45b2ac2d9f2df2e57660553eddf9e6c6f101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "426a11336c5cffb1c7e09ddaef0d45b2ac2d9f2df2e57660553eddf9e6c6f101", kill_on_drop: false }`
[INFO] [stdout] 426a11336c5cffb1c7e09ddaef0d45b2ac2d9f2df2e57660553eddf9e6c6f101
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "RUSTDOCFLAGS=--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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bca6e3f0037d870ecd64cc08defc2e84be8940c5022d8dd8da1f9f1638d3cd9e
[INFO] running `Command { std: "docker" "start" "-a" "bca6e3f0037d870ecd64cc08defc2e84be8940c5022d8dd8da1f9f1638d3cd9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]     Checking pnet_base v0.27.2
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling pnet v0.27.2
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]     Checking bytes v0.6.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking pnet_macros_support v0.27.2
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking pnet_sys v0.27.2
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.27.2
[INFO] [stderr] error: could not compile `syntex_syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syntex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.42.0/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 -C metadata=5fea9fde549d5926 -C extra-filename=-5fea9fde549d5926 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-6547e26f03b52006.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-d730512dede0fd57.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-4e6daf1b5140e6e8.rmeta --extern rustc_serialize=/opt/rustwide/target/debug/deps/librustc_serialize-306a29a12f142e2b.rmeta --extern syntex_errors=/opt/rustwide/target/debug/deps/libsyntex_errors-60bc708e2eab4e50.rmeta --extern syntex_pos=/opt/rustwide/target/debug/deps/libsyntex_pos-9d9c8bd39c1e5bde.rmeta --extern term=/opt/rustwide/target/debug/deps/libterm-77569b923aaf0569.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-55cfb1a795aa8a88.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bca6e3f0037d870ecd64cc08defc2e84be8940c5022d8dd8da1f9f1638d3cd9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bca6e3f0037d870ecd64cc08defc2e84be8940c5022d8dd8da1f9f1638d3cd9e", kill_on_drop: false }`
[INFO] [stdout] bca6e3f0037d870ecd64cc08defc2e84be8940c5022d8dd8da1f9f1638d3cd9e