[INFO] cloning repository https://github.com/postmates/cernan
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/postmates/cernan" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpostmates%2Fcernan", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpostmates%2Fcernan'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c62aa52def0ff78ff0732d135017a00a40d5298
[INFO] testing postmates/cernan against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpostmates%2Fcernan" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/postmates/cernan on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/postmates/cernan
[INFO] finished tweaking git repo https://github.com/postmates/cernan
[INFO] tweaked toml for git repo https://github.com/postmates/cernan written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/postmates/cernan already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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 redox_syscall v0.1.38
[INFO] [stderr]   Downloaded pdqselect v0.1.0
[INFO] [stderr]   Downloaded error-chain v0.9.0
[INFO] [stderr]   Downloaded clamp v0.1.0
[INFO] [stderr]   Downloaded geo v0.6.3
[INFO] [stderr]   Downloaded serde_derive v1.0.63
[INFO] [stderr]   Downloaded serde v1.0.63
[INFO] [stderr]   Downloaded rdkafka v0.17.0
[INFO] [stderr]   Downloaded chan-signal v0.3.1
[INFO] [stderr]   Downloaded protobuf v1.7.3
[INFO] [stderr]   Downloaded geojson v0.9.1
[INFO] [stderr]   Downloaded rand_core v0.2.0
[INFO] [stderr]   Downloaded elastic_types_derive v0.20.10
[INFO] [stderr]   Downloaded reqwest v0.8.5
[INFO] [stderr]   Downloaded criterion v0.2.9
[INFO] [stderr]   Downloaded elastic_types v0.20.10
[INFO] [stderr]   Downloaded coco v0.3.4
[INFO] [stderr]   Downloaded rand v0.5.0
[INFO] [stderr]   Downloaded geohash v0.4.0
[INFO] [stderr]   Downloaded serde_json v1.0.18
[INFO] [stderr]   Downloaded mond v0.1.0
[INFO] [stderr]   Downloaded serde-avro v0.5.0
[INFO] [stderr]   Downloaded elastic_responses v0.20.10
[INFO] [stderr]   Downloaded elastic_reqwest v0.20.10
[INFO] [stderr]   Downloaded elastic v0.20.10
[INFO] [stderr]   Downloaded elastic_types_derive_internals v0.20.10
[INFO] [stderr]   Downloaded elastic_requests v0.20.10
[INFO] [stderr]   Downloaded smallvec v0.3.4
[INFO] [stderr]   Downloaded fern v0.5.5
[INFO] [stderr]   Downloaded spade v1.4.0
[INFO] [stderr]   Downloaded hopper v0.4.2
[INFO] [stderr]   Downloaded rdkafka-sys v0.11.4-0
[INFO] [stderr]   Downloaded snap v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ac8299e1575716ffd925d5de73cf3eb1240607b4f893ea2a8f8b6d00519e684
[INFO] running `Command { std: "docker" "start" "-a" "3ac8299e1575716ffd925d5de73cf3eb1240607b4f893ea2a8f8b6d00519e684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ac8299e1575716ffd925d5de73cf3eb1240607b4f893ea2a8f8b6d00519e684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ac8299e1575716ffd925d5de73cf3eb1240607b4f893ea2a8f8b6d00519e684", kill_on_drop: false }`
[INFO] [stdout] 3ac8299e1575716ffd925d5de73cf3eb1240607b4f893ea2a8f8b6d00519e684
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2994b78bdb633714901d695947eb9c1f4d7e57d91162857e088d29b20cd0b23a
[INFO] running `Command { std: "docker" "start" "-a" "2994b78bdb633714901d695947eb9c1f4d7e57d91162857e088d29b20cd0b23a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.41
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling serde v1.0.63
[INFO] [stderr]    Compiling futures v0.1.21
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling byteorder v1.2.3
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling lazycell v0.6.0
[INFO] [stderr]    Compiling slab v0.4.0
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling matrixmultiply v0.1.14
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling take v0.1.0
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling try-lock v0.1.0
[INFO] [stderr]    Compiling smallvec v0.2.1
[INFO] [stderr]    Compiling httparse v1.2.4
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.8
[INFO] [stderr]    Compiling pdqselect v0.1.0
[INFO] [stderr]    Compiling smallvec v0.3.4
[INFO] [stderr]    Compiling clamp v0.1.0
[INFO] [stderr]    Compiling adler32 v1.0.2
[INFO] [stderr]    Compiling nom v2.2.1
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling protobuf v1.7.3
[INFO] [stderr]    Compiling regex v1.0.0
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling elastic_requests v0.20.10
[INFO] [stderr]    Compiling serde-avro v0.5.0
[INFO] [stderr]    Compiling rand_core v0.2.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ascii v0.8.7
[INFO] [stderr]    Compiling linked-hash-map v0.4.2
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling chunked_transfer v0.3.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling seahash v3.0.5
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling proc-macro2 v0.4.4
[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 codegen-units=4 -C debuginfo=2 -C metadata=87f1f2c92ce022f5 -C extra-filename=-87f1f2c92ce022f5 --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" "2994b78bdb633714901d695947eb9c1f4d7e57d91162857e088d29b20cd0b23a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2994b78bdb633714901d695947eb9c1f4d7e57d91162857e088d29b20cd0b23a", kill_on_drop: false }`
[INFO] [stdout] 2994b78bdb633714901d695947eb9c1f4d7e57d91162857e088d29b20cd0b23a
