[INFO] cloning repository https://github.com/adi105/WebHelperRocket
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adi105/WebHelperRocket" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadi105%2FWebHelperRocket", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadi105%2FWebHelperRocket'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0c42bc74b1203ea2eecc6e059225ef836e284c2e
[INFO] testing adi105/WebHelperRocket against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadi105%2FWebHelperRocket" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adi105/WebHelperRocket on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/adi105/WebHelperRocket
[INFO] finished tweaking git repo https://github.com/adi105/WebHelperRocket
[INFO] tweaked toml for git repo https://github.com/adi105/WebHelperRocket written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/adi105/WebHelperRocket already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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 cssparser-macros v0.3.5
[INFO] [stderr]   Downloaded ego-tree v0.6.0
[INFO] [stderr]   Downloaded h2 v0.1.22
[INFO] [stderr]   Downloaded getopts v0.2.19
[INFO] [stderr]   Downloaded scraper v0.10.0
[INFO] [stderr]   Downloaded cssparser v0.25.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f888ecca551892e66241740c9284bb8d2cd1004a8eafa8070bf63c8a717afb22
[INFO] running `Command { std: "docker" "start" "-a" "f888ecca551892e66241740c9284bb8d2cd1004a8eafa8070bf63c8a717afb22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f888ecca551892e66241740c9284bb8d2cd1004a8eafa8070bf63c8a717afb22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f888ecca551892e66241740c9284bb8d2cd1004a8eafa8070bf63c8a717afb22", kill_on_drop: false }`
[INFO] [stdout] f888ecca551892e66241740c9284bb8d2cd1004a8eafa8070bf63c8a717afb22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 793ab64d2d97290aee42936f45ef08fea5f31db19ea219638817d93965620308
[INFO] running `Command { std: "docker" "start" "-a" "793ab64d2d97290aee42936f45ef08fea5f31db19ea219638817d93965620308", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling smallvec v0.6.9
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling futures v0.1.27
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]    Compiling yansi v0.4.0
[INFO] [stderr]    Compiling safemem v0.3.0
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling dtoa v0.4.4
[INFO] [stderr]    Compiling untrusted v0.6.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.23
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling procedural-masquerade v0.1.6
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling encoding_rs v0.8.17
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling thin-slice v0.1.1
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling ego-tree v0.6.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling backtrace v0.3.26
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling unicase v2.4.0
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling tokio-trace-core v0.2.0
[INFO] [stderr]    Compiling rocket_codegen v0.4.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling miniz_oxide v0.2.1
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling rocket v0.4.1
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]    Compiling try_from v0.3.2
[INFO] [stderr]    Compiling getopts v0.2.19
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling futf v0.1.4
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling pest v2.1.1
[INFO] [stderr]    Compiling servo_arc v0.1.1
[INFO] [stderr] error: could not compile `cc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cc /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.37/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=b659c8f9463a945f -C extra-filename=-b659c8f9463a945f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (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" "793ab64d2d97290aee42936f45ef08fea5f31db19ea219638817d93965620308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "793ab64d2d97290aee42936f45ef08fea5f31db19ea219638817d93965620308", kill_on_drop: false }`
[INFO] [stdout] 793ab64d2d97290aee42936f45ef08fea5f31db19ea219638817d93965620308