[INFO] cloning repository https://github.com/virtuehive/janu-flow-examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/virtuehive/janu-flow-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvirtuehive%2Fjanu-flow-examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvirtuehive%2Fjanu-flow-examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 72cac4225f347a50149741d6142d3fc7ee76baed
[INFO] documenting virtuehive/janu-flow-examples against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvirtuehive%2Fjanu-flow-examples" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/virtuehive/janu-flow-examples on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-19/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/virtuehive/janu-flow-examples
[INFO] finished tweaking git repo https://github.com/virtuehive/janu-flow-examples
[INFO] tweaked toml for git repo https://github.com/virtuehive/janu-flow-examples written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/virtuehive/janu-flow-examples already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/virtuehive/janu-flow.git`
[INFO] [stderr]     Updating git repository `https://github.com/virtuehive/janu-rpc.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded typetag-impl v0.1.8
[INFO] [stderr]   Downloaded pem-rfc7468 v0.2.4
[INFO] [stderr]   Downloaded base64ct v1.1.1
[INFO] [stderr]   Downloaded der v0.4.5
[INFO] [stderr]   Downloaded const-oid v0.6.2
[INFO] [stderr]   Downloaded crypto-bigint v0.2.11
[INFO] [stderr]   Downloaded git-version-macro v0.3.5
[INFO] [stderr]   Downloaded git-version v0.3.5
[INFO] [stderr]   Downloaded num-bigint-dig v0.7.0
[INFO] [stderr]   Downloaded syn-serde v0.2.3
[INFO] [stderr]   Downloaded shellexpand v2.1.0
[INFO] [stderr]   Downloaded ipnetwork v0.18.0
[INFO] [stderr]   Downloaded quinn-proto v0.7.3
[INFO] [stderr]   Downloaded pkcs8 v0.7.6
[INFO] [stderr]   Downloaded async-ctrlc v1.2.0
[INFO] [stderr]   Downloaded inventory v0.2.1
[INFO] [stderr]   Downloaded opencv-binding-generator v0.28.0
[INFO] [stderr]   Downloaded dunce v1.0.2
[INFO] [stderr]   Downloaded clang v1.0.3
[INFO] [stderr]   Downloaded ordered-float v2.9.0
[INFO] [stderr]   Downloaded quinn v0.7.2
[INFO] [stderr]   Downloaded nix v0.22.2
[INFO] [stderr]   Downloaded pnet_datalink v0.28.0
[INFO] [stderr]   Downloaded validated_struct v0.1.11
[INFO] [stderr]   Downloaded validated_struct_macros v0.1.10
[INFO] [stderr]   Downloaded opencv v0.53.2
[INFO] [stderr]   Downloaded pnet_base v0.28.0
[INFO] [stderr]   Downloaded uhlc v0.4.0
[INFO] [stderr]   Downloaded typetag v0.1.8
[INFO] [stderr]   Downloaded pkcs1 v0.2.4
[INFO] [stderr]   Downloaded spki v0.4.1
[INFO] [stderr]   Downloaded shared_memory v0.12.0
[INFO] [stderr]   Downloaded nanorand v0.6.1
[INFO] [stderr]   Downloaded flume v0.10.9
[INFO] [stderr]   Downloaded unzip-n v0.1.2
[INFO] [stderr]   Downloaded pnet_macros v0.28.0
[INFO] [stderr]   Downloaded pnet_packet v0.28.0
[INFO] [stderr]   Downloaded pnet_macros_support v0.28.0
[INFO] [stderr]   Downloaded pnet_sys v0.28.0
[INFO] [stderr]   Downloaded pnet_transport v0.28.0
[INFO] [stderr]   Downloaded pnet v0.28.0
[INFO] [stderr]   Downloaded erased-serde v0.3.17
[INFO] [stderr]   Downloaded uhlc v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ab69ccf4573885e23bf71b791986eb64bc7209eaec1f405c42c1c53491dc79d
[INFO] running `Command { std: "docker" "start" "-a" "5ab69ccf4573885e23bf71b791986eb64bc7209eaec1f405c42c1c53491dc79d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ab69ccf4573885e23bf71b791986eb64bc7209eaec1f405c42c1c53491dc79d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ab69ccf4573885e23bf71b791986eb64bc7209eaec1f405c42c1c53491dc79d", kill_on_drop: false }`
[INFO] [stdout] 5ab69ccf4573885e23bf71b791986eb64bc7209eaec1f405c42c1c53491dc79d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "RUSTDOCFLAGS=--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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27c660cf65344c108c602f142354e2b50c5fbe48c628f7fb7743e9d303f12471
[INFO] running `Command { std: "docker" "start" "-a" "27c660cf65344c108c602f142354e2b50c5fbe48c628f7fb7743e9d303f12471", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling futures-io v0.3.19
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde_json v1.0.74
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling cache-padded v1.2.0
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling fastrand v1.6.0
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling const_fn v0.4.9
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling futures-sink v0.3.19
[INFO] [stderr]    Compiling pnet v0.28.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling janu-macros v0.6.0-dev.0 (https://github.com/virtuehive/janu.git?branch=main#5f688182)
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling pnet_base v0.28.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling cpuid-bool v0.2.0
[INFO] [stderr]    Compiling const-oid v0.6.2
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling http-types v2.12.0
[INFO] [stderr]    Compiling base64ct v1.1.1
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling home v0.5.3
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr] error: could not compile `typenum`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_main --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/typenum-1.15.0/build/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=ea108c0ae8f4577a -C extra-filename=-ea108c0ae8f4577a --out-dir /opt/rustwide/target/debug/build/typenum-ea108c0ae8f4577a -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `libc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.112/build.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="align"' --cfg 'feature="default"' --cfg 'feature="extra_traits"' --cfg 'feature="std"' -C metadata=a2a647b82db42251 -C extra-filename=-a2a647b82db42251 --out-dir /opt/rustwide/target/debug/build/libc-a2a647b82db42251 -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.84/build.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=7af613831519c2aa -C extra-filename=-7af613831519c2aa --out-dir /opt/rustwide/target/debug/build/syn-7af613831519c2aa -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `const_fn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/const_fn-0.4.9/build.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=9404ccaab1dfefb2 -C extra-filename=-9404ccaab1dfefb2 --out-dir /opt/rustwide/target/debug/build/const_fn-9404ccaab1dfefb2 -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `once_cell`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name once_cell --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/once_cell-1.9.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="alloc"' --cfg 'feature="default"' --cfg 'feature="race"' --cfg 'feature="std"' -C metadata=190faae836c49b88 -C extra-filename=-190faae836c49b88 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `base64`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name base64 --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/base64-0.13.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=8bcb81a96746c276 -C extra-filename=-8bcb81a96746c276 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `serde`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.133/build.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="rc"' --cfg 'feature="serde_derive"' --cfg 'feature="std"' -C metadata=2a1225afda12d230 -C extra-filename=-2a1225afda12d230 --out-dir /opt/rustwide/target/debug/build/serde-2a1225afda12d230 -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `async-trait`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-trait-0.1.52/build.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=e96eb66ef83940d5 -C extra-filename=-e96eb66ef83940d5 --out-dir /opt/rustwide/target/debug/build/async-trait-e96eb66ef83940d5 -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `base64`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name base64 --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/base64-0.13.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=b63434a4515c738b -C extra-filename=-b63434a4515c738b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[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 build_script_build --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro-hack-0.5.19/build.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=5b7a60b6d70a1b65 -C extra-filename=-5b7a60b6d70a1b65 --out-dir /opt/rustwide/target/debug/build/proc-macro-hack-5b7a60b6d70a1b65 -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `ansi_term`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name ansi_term /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ansi_term-0.12.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=45f409e7b3447356 -C extra-filename=-45f409e7b3447356 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "27c660cf65344c108c602f142354e2b50c5fbe48c628f7fb7743e9d303f12471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27c660cf65344c108c602f142354e2b50c5fbe48c628f7fb7743e9d303f12471", kill_on_drop: false }`
[INFO] [stdout] 27c660cf65344c108c602f142354e2b50c5fbe48c628f7fb7743e9d303f12471