[INFO] cloning repository https://github.com/aslamplr/scrabber
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aslamplr/scrabber" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faslamplr%2Fscrabber", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faslamplr%2Fscrabber'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 906a11f42572b3f4e8908cab258320aa072211b3
[INFO] checking aslamplr/scrabber against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faslamplr%2Fscrabber" "/workspace/builds/worker-70/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-70/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aslamplr/scrabber on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aslamplr/scrabber
[INFO] finished tweaking git repo https://github.com/aslamplr/scrabber
[INFO] tweaked toml for git repo https://github.com/aslamplr/scrabber written to /workspace/builds/worker-70/source/Cargo.toml
[INFO] crate git repo https://github.com/aslamplr/scrabber already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf207c0e7fab3040ed051fe152ec30a23698b7c289a6a9a3cfaa04d0189b5443
[INFO] running `Command { std: "docker" "start" "-a" "cf207c0e7fab3040ed051fe152ec30a23698b7c289a6a9a3cfaa04d0189b5443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf207c0e7fab3040ed051fe152ec30a23698b7c289a6a9a3cfaa04d0189b5443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf207c0e7fab3040ed051fe152ec30a23698b7c289a6a9a3cfaa04d0189b5443", kill_on_drop: false }`
[INFO] [stdout] cf207c0e7fab3040ed051fe152ec30a23698b7c289a6a9a3cfaa04d0189b5443
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9a50d34c0d510ea1988b614dda7c08244ee37ff0a7c860b262bd749970926ad
[INFO] running `Command { std: "docker" "start" "-a" "c9a50d34c0d510ea1988b614dda7c08244ee37ff0a7c860b262bd749970926ad", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]     Checking futures v0.1.21
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking utf-8 v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]     Checking try-lock v0.1.0
[INFO] [stderr]    Compiling procedural-masquerade v0.1.6
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking smallvec v0.6.2
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking stable_deref_trait v1.1.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling regex v1.0.1
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking encode_unicode v0.3.1
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking ego-tree v0.5.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking dtoa-short v0.3.2
[INFO] [stderr]     Checking regex-syntax v0.6.1
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]     Checking log v0.4.2
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking encoding_rs v0.7.2
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking base64 v0.9.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr] error: could not compile `serde`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.66/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="default"' --cfg 'feature="std"' -C metadata=cfe1e1a867f38eae -C extra-filename=-cfe1e1a867f38eae --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid --cfg de_boxed_c_str --cfg de_rc_dst --cfg core_duration --cfg integer128 --cfg num_nonzero` (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" "c9a50d34c0d510ea1988b614dda7c08244ee37ff0a7c860b262bd749970926ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9a50d34c0d510ea1988b614dda7c08244ee37ff0a7c860b262bd749970926ad", kill_on_drop: false }`
[INFO] [stdout] c9a50d34c0d510ea1988b614dda7c08244ee37ff0a7c860b262bd749970926ad