[INFO] cloning repository https://github.com/karlvlam/etcd2-aws-cluster
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/karlvlam/etcd2-aws-cluster" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkarlvlam%2Fetcd2-aws-cluster", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkarlvlam%2Fetcd2-aws-cluster'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a123aa1f7b73e5761c28f9ed4e53e71b5524a78
[INFO] checking karlvlam/etcd2-aws-cluster against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkarlvlam%2Fetcd2-aws-cluster" "/workspace/builds/worker-72/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-72/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/karlvlam/etcd2-aws-cluster on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/karlvlam/etcd2-aws-cluster
[INFO] finished tweaking git repo https://github.com/karlvlam/etcd2-aws-cluster
[INFO] tweaked toml for git repo https://github.com/karlvlam/etcd2-aws-cluster written to /workspace/builds/worker-72/source/Cargo.toml
[INFO] crate git repo https://github.com/karlvlam/etcd2-aws-cluster already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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 openssl-probe v0.1.0
[INFO] [stderr]   Downloaded serde_urlencoded v0.3.0
[INFO] [stderr]   Downloaded native-tls v0.1.1
[INFO] [stderr]   Downloaded curl v0.4.6
[INFO] [stderr]   Downloaded security-framework-sys v0.1.13
[INFO] [stderr]   Downloaded openssl v0.9.10
[INFO] [stderr]   Downloaded Inflector v0.7.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.10
[INFO] [stderr]   Downloaded security-framework v0.1.13
[INFO] [stderr]   Downloaded md5 v0.3.3
[INFO] [stderr]   Downloaded rusoto_codegen v0.7.1
[INFO] [stderr]   Downloaded httparse v1.2.1
[INFO] [stderr]   Downloaded curl-sys v0.3.10
[INFO] [stderr]   Downloaded rusoto_credential v0.5.0
[INFO] [stderr]   Downloaded ring v0.6.3
[INFO] [stderr]   Downloaded hyper v0.10.5
[INFO] [stderr]   Downloaded lazy_static v0.2.5
[INFO] [stderr]   Downloaded rusoto v0.23.1
[INFO] [stderr]   Downloaded reqwest v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d4ae3434fd4f52ac9fae6af34d246f8bf3f99d682884080dd6fa60bd6beee79
[INFO] running `Command { std: "docker" "start" "-a" "7d4ae3434fd4f52ac9fae6af34d246f8bf3f99d682884080dd6fa60bd6beee79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d4ae3434fd4f52ac9fae6af34d246f8bf3f99d682884080dd6fa60bd6beee79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d4ae3434fd4f52ac9fae6af34d246f8bf3f99d682884080dd6fa60bd6beee79", kill_on_drop: false }`
[INFO] [stdout] 7d4ae3434fd4f52ac9fae6af34d246f8bf3f99d682884080dd6fa60bd6beee79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06d4b01e4e82018e6996ef5e53e986b3e5e782cd11c4fed13d3701557577e9e0
[INFO] running `Command { std: "docker" "start" "-a" "06d4b01e4e82018e6996ef5e53e986b3e5e782cd11c4fed13d3701557577e9e0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling gcc v0.3.45
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]     Checking matches v0.1.4
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking unicode-normalization v0.1.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking lazy_static v0.2.5
[INFO] [stderr]    Compiling openssl v0.9.10
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]     Checking foreign-types v0.2.0
[INFO] [stderr]     Checking log v0.3.7
[INFO] [stderr]    Compiling regex-syntax v0.4.0
[INFO] [stderr]    Compiling serde v0.9.12
[INFO] [stderr]     Checking rustc-serialize v0.3.23
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling httparse v1.2.1
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]    Compiling ring v0.6.3
[INFO] [stderr]     Checking untrusted v0.3.2
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking openssl-probe v0.1.0
[INFO] [stderr]     Checking md5 v0.3.3
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling unicode-bidi v0.2.5
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking xml-rs v0.3.6
[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-0.9.12/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=19d7b4e763be5fff -C extra-filename=-19d7b4e763be5fff --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" "06d4b01e4e82018e6996ef5e53e986b3e5e782cd11c4fed13d3701557577e9e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06d4b01e4e82018e6996ef5e53e986b3e5e782cd11c4fed13d3701557577e9e0", kill_on_drop: false }`
[INFO] [stdout] 06d4b01e4e82018e6996ef5e53e986b3e5e782cd11c4fed13d3701557577e9e0