[INFO] cloning repository https://github.com/cetra3/actixtest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cetra3/actixtest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcetra3%2Factixtest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcetra3%2Factixtest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f7f156a5cbee03a0a1bced1c87ce919d3ffb804
[INFO] testing cetra3/actixtest against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcetra3%2Factixtest" "/workspace/builds/worker-27/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-27/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cetra3/actixtest 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/cetra3/actixtest
[INFO] finished tweaking git repo https://github.com/cetra3/actixtest
[INFO] tweaked toml for git repo https://github.com/cetra3/actixtest written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate git repo https://github.com/cetra3/actixtest 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 skeptic v0.13.2
[INFO] [stderr]   Downloaded bytecount v0.2.0
[INFO] [stderr]   Downloaded ipconfig v0.1.6
[INFO] [stderr]   Downloaded mio-uds v0.6.4
[INFO] [stderr]   Downloaded serde_derive v1.0.37
[INFO] [stderr]   Downloaded uuid v0.6.2
[INFO] [stderr]   Downloaded actix v0.5.5
[INFO] [stderr]   Downloaded crossbeam-channel v0.1.2
[INFO] [stderr]   Downloaded mime_guess v2.0.0-alpha.4
[INFO] [stderr]   Downloaded serde v1.0.37
[INFO] [stderr]   Downloaded memoffset v0.1.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.2.0
[INFO] [stderr]   Downloaded pretty_env_logger v0.2.2
[INFO] [stderr]   Downloaded resolv-conf v0.6.0
[INFO] [stderr]   Downloaded termcolor v0.3.6
[INFO] [stderr]   Downloaded structopt-derive v0.1.6
[INFO] [stderr]   Downloaded serde_derive_internals v0.23.0
[INFO] [stderr]   Downloaded socket2 v0.3.4
[INFO] [stderr]   Downloaded cargo_metadata v0.3.3
[INFO] [stderr]   Downloaded winreg v0.5.0
[INFO] [stderr]   Downloaded trust-dns-proto v0.3.2
[INFO] [stderr]   Downloaded trust-dns-resolver v0.8.1
[INFO] [stderr]   Downloaded hostname v0.1.4
[INFO] [stderr]   Downloaded http v0.1.5
[INFO] [stderr]   Downloaded structopt v0.1.7
[INFO] [stderr]   Downloaded h2 v0.1.5
[INFO] [stderr]   Downloaded env_logger v0.5.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] bdb0036a371fa3ebc31083b5de52811743cbaaa9405d496cf8c77fe4d3398f7d
[INFO] running `Command { std: "docker" "start" "-a" "bdb0036a371fa3ebc31083b5de52811743cbaaa9405d496cf8c77fe4d3398f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdb0036a371fa3ebc31083b5de52811743cbaaa9405d496cf8c77fe4d3398f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdb0036a371fa3ebc31083b5de52811743cbaaa9405d496cf8c77fe4d3398f7d", kill_on_drop: false }`
[INFO] [stdout] bdb0036a371fa3ebc31083b5de52811743cbaaa9405d496cf8c77fe4d3398f7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 9c34a025224e38a8069bafbc95cd5506eb165bb5c6ed78ba31d7b5fde3ea3fa3
[INFO] running `Command { std: "docker" "start" "-a" "9c34a025224e38a8069bafbc95cd5506eb165bb5c6ed78ba31d7b5fde3ea3fa3", 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]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling cc v1.0.10
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling byteorder v1.2.2
[INFO] [stderr]    Compiling futures v0.1.21
[INFO] [stderr]    Compiling rustc-demangle v0.1.7
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling slab v0.4.0
[INFO] [stderr]    Compiling lazycell v0.6.0
[INFO] [stderr]    Compiling serde v1.0.37
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling same-file v0.1.3
[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling remove_dir_all v0.5.0
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling quick-error v1.2.1
[INFO] [stderr]    Compiling bytecount v0.2.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling scoped-tls v0.1.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling stable_deref_trait v1.0.0
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling smallvec v0.6.0
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling linked-hash-map v0.4.2
[INFO] [stderr]    Compiling memoffset v0.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling untrusted v0.5.1
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling termcolor v0.3.6
[INFO] [stderr]    Compiling indexmap v1.0.1
[INFO] [stderr]    Compiling string v0.1.0
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling httparse v1.2.4
[INFO] [stderr]    Compiling http-range v0.1.1
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling ansi_term v0.10.2
[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-1.0.37/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=42e87846e2b38eb8 -C extra-filename=-42e87846e2b38eb8 --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" "9c34a025224e38a8069bafbc95cd5506eb165bb5c6ed78ba31d7b5fde3ea3fa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c34a025224e38a8069bafbc95cd5506eb165bb5c6ed78ba31d7b5fde3ea3fa3", kill_on_drop: false }`
[INFO] [stdout] 9c34a025224e38a8069bafbc95cd5506eb165bb5c6ed78ba31d7b5fde3ea3fa3