[INFO] updating cached repository https://github.com/Voodlaz/actix-ws
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c1344d78fd13892ecea1507349deeab5252c7ab4
[INFO] testing Voodlaz/actix-ws/c1344d78fd13892ecea1507349deeab5252c7ab4 against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVoodlaz%2Factix-ws" "/workspace/builds/worker-50/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-50/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Voodlaz/actix-ws 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/Voodlaz/actix-ws
[INFO] finished tweaking git repo https://github.com/Voodlaz/actix-ws
[INFO] tweaked toml for git repo https://github.com/Voodlaz/actix-ws written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] crate git repo https://github.com/Voodlaz/actix-ws 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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] 0a95a422cadf18c2bdb3d10409974f2325acc11bc4b692a407bc8caf2a947566
[INFO] running `Command { std: "docker" "start" "-a" "0a95a422cadf18c2bdb3d10409974f2325acc11bc4b692a407bc8caf2a947566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a95a422cadf18c2bdb3d10409974f2325acc11bc4b692a407bc8caf2a947566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a95a422cadf18c2bdb3d10409974f2325acc11bc4b692a407bc8caf2a947566", kill_on_drop: false }`
[INFO] [stdout] 0a95a422cadf18c2bdb3d10409974f2325acc11bc4b692a407bc8caf2a947566
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] ebcf49bc34ad10901bf6c270d64295f734315547969eff733c0674dc65643ba2
[INFO] running `Command { std: "docker" "start" "-a" "ebcf49bc34ad10901bf6c270d64295f734315547969eff733c0674dc65643ba2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling arc-swap v0.4.7
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling smallvec v1.4.2
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling instant v0.1.6
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling tinyvec v0.3.4
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling copyless v0.1.5
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling unic-char-range v0.9.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling unic-common v0.9.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling v_htmlescape v0.4.5
[INFO] [stderr]    Compiling deunicode v0.4.3
[INFO] [stderr]    Compiling humansize v1.1.0
[INFO] [stderr] error: could not compile `proc-macro-hack`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name proc_macro_hack --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro-hack-0.5.18/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 -C metadata=29124a36bdc59aed -C extra-filename=-29124a36bdc59aed --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro --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" "ebcf49bc34ad10901bf6c270d64295f734315547969eff733c0674dc65643ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebcf49bc34ad10901bf6c270d64295f734315547969eff733c0674dc65643ba2", kill_on_drop: false }`
[INFO] [stdout] ebcf49bc34ad10901bf6c270d64295f734315547969eff733c0674dc65643ba2