[INFO] fetching crate webchain-rs 0.22.1...
[INFO] checking webchain-rs-0.22.1 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] extracting crate webchain-rs 0.22.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate webchain-rs 0.22.1 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate webchain-rs 0.22.1
[INFO] finished tweaking crates.io crate webchain-rs 0.22.1
[INFO] tweaked toml for crates.io crate webchain-rs 0.22.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 488e3f4598c7911343ade17197b761e7711c1c59538373638c643208727591aa
[INFO] running `Command { std: "docker" "start" "-a" "488e3f4598c7911343ade17197b761e7711c1c59538373638c643208727591aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "488e3f4598c7911343ade17197b761e7711c1c59538373638c643208727591aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "488e3f4598c7911343ade17197b761e7711c1c59538373638c643208727591aa", kill_on_drop: false }`
[INFO] [stdout] 488e3f4598c7911343ade17197b761e7711c1c59538373638c643208727591aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7233a276526fa67d9c689388544182e0300b1d60525714aa63bebe17bb607813
[INFO] running `Command { std: "docker" "start" "-a" "7233a276526fa67d9c689388544182e0300b1d60525714aa63bebe17bb607813", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling bitflags v0.8.2
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]    Compiling make-cmd v0.1.0
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking rustc-demangle v0.1.19
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking bech32 v0.3.2
[INFO] [stderr]     Checking opaque-debug v0.1.1
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking rustc-hex v1.0.0
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking bitcoin-bech32 v0.5.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking crunchy v0.2.2
[INFO] [stderr]     Checking encoding_rs v0.8.28
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking kernel32-sys v0.2.2
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr] error: could not compile `rustc-serialize`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name rustc_serialize /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/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 -C metadata=efb9cfa92b7c8c8d -C extra-filename=-efb9cfa92b7c8c8d --out-dir /opt/rustwide/target/debug/deps -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" "7233a276526fa67d9c689388544182e0300b1d60525714aa63bebe17bb607813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7233a276526fa67d9c689388544182e0300b1d60525714aa63bebe17bb607813", kill_on_drop: false }`
[INFO] [stdout] 7233a276526fa67d9c689388544182e0300b1d60525714aa63bebe17bb607813