[INFO] fetching crate rgb20 0.5.0-alpha.3...
[INFO] testing rgb20-0.5.0-alpha.3 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate rgb20 0.5.0-alpha.3 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate rgb20 0.5.0-alpha.3 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rgb20 0.5.0-alpha.3
[INFO] finished tweaking crates.io crate rgb20 0.5.0-alpha.3
[INFO] tweaked toml for crates.io crate rgb20 0.5.0-alpha.3 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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 slip132 v0.5.0-beta.1
[INFO] [stderr]   Downloaded os_str_bytes v4.2.0
[INFO] [stderr]   Downloaded strict_encoding v1.7.4
[INFO] [stderr]   Downloaded textwrap v0.14.2
[INFO] [stderr]   Downloaded clap v3.0.0-beta.5
[INFO] [stderr]   Downloaded amplify_num v0.2.2
[INFO] [stderr]   Downloaded darling_core v0.13.0
[INFO] [stderr]   Downloaded amplify_derive v2.9.0
[INFO] [stderr]   Downloaded zeroize_derive v1.2.2
[INFO] [stderr]   Downloaded amplify_syn v1.1.6
[INFO] [stderr]   Downloaded cpufeatures v0.2.1
[INFO] [stderr]   Downloaded bech32 v0.8.1
[INFO] [stderr]   Downloaded amplify v3.9.1
[INFO] [stderr]   Downloaded encoding_derive_helpers v1.7.4
[INFO] [stderr]   Downloaded strict_encoding_derive v1.7.4
[INFO] [stderr]   Downloaded signature v1.4.0
[INFO] [stderr]   Downloaded darling_macro v0.13.0
[INFO] [stderr]   Downloaded clap_derive v3.0.0-beta.5
[INFO] [stderr]   Downloaded bitcoin_hd v0.5.0-alpha.3
[INFO] [stderr]   Downloaded subtle v2.4.1
[INFO] [stderr]   Downloaded darling v0.13.0
[INFO] [stderr]   Downloaded descriptor-wallet v0.5.0-alpha.5
[INFO] [stderr]   Downloaded psbt v0.5.0-alpha.2
[INFO] [stderr]   Downloaded lnpbp_bech32 v0.5.0-beta.2
[INFO] [stderr]   Downloaded bp-seals v0.5.0-rc.1
[INFO] [stderr]   Downloaded electrum-client v0.8.0
[INFO] [stderr]   Downloaded commit_verify v0.5.11
[INFO] [stderr]   Downloaded client_side_validation v0.5.7
[INFO] [stderr]   Downloaded bp-core v0.5.0-rc.1
[INFO] [stderr]   Downloaded serde_with_macros v1.5.1
[INFO] [stderr]   Downloaded sha2 v0.9.8
[INFO] [stderr]   Downloaded bitcoin v0.27.1
[INFO] [stderr]   Downloaded rustc_apfloat v0.1.3
[INFO] [stderr]   Downloaded bitcoin_scripts v0.5.0-alpha.3
[INFO] [stderr]   Downloaded serde_with v1.11.0
[INFO] [stderr]   Downloaded lnpbp_chain v0.5.0-beta.3
[INFO] [stderr]   Downloaded lnpbp v0.5.0-beta.3
[INFO] [stderr]   Downloaded bitcoin_hashes v0.10.0
[INFO] [stderr]   Downloaded ed25519 v1.3.0
[INFO] [stderr]   Downloaded secp256k1-sys v0.4.1
[INFO] [stderr]   Downloaded rgb-core v0.5.0-alpha.1
[INFO] [stderr]   Downloaded bitcoin_hashes v0.9.7
[INFO] [stderr]   Downloaded aluvm v0.4.0
[INFO] [stderr]   Downloaded curve25519-dalek v3.2.0
[INFO] [stderr]   Downloaded grin_secp256k1zkp v0.7.11
[INFO] [stderr]   Downloaded single_use_seals v0.5.5
[INFO] [stderr]   Downloaded secp256k1 v0.20.3
[INFO] [stderr]   Downloaded descriptors v0.5.0-alpha.2
[INFO] [stderr]   Downloaded bp-dbc v0.5.0-rc.1
[INFO] [stderr]   Downloaded miniscript v6.0.1
[INFO] [stderr]   Downloaded zeroize v1.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bd66660d191a5cec91fffabc77d808609a05fa0316b02dcbcb9065169ad751b
[INFO] running `Command { std: "docker" "start" "-a" "1bd66660d191a5cec91fffabc77d808609a05fa0316b02dcbcb9065169ad751b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bd66660d191a5cec91fffabc77d808609a05fa0316b02dcbcb9065169ad751b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bd66660d191a5cec91fffabc77d808609a05fa0316b02dcbcb9065169ad751b", kill_on_drop: false }`
[INFO] [stdout] 1bd66660d191a5cec91fffabc77d808609a05fa0316b02dcbcb9065169ad751b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31fd2d64d66486b8c1e36d4a670c3708045ca19e754b050b754c48dbe7b7a5bc
[INFO] running `Command { std: "docker" "start" "-a" "31fd2d64d66486b8c1e36d4a670c3708045ca19e754b050b754c48dbe7b7a5bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling bech32 v0.8.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling odds v0.2.26
[INFO] [stderr]    Compiling signature v1.4.0
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling bitcoin_hashes v0.9.7
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling secp256k1-sys v0.4.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling grin_secp256k1zkp v0.7.11
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling rustc_apfloat v0.1.3
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling ed25519 v1.3.0
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.81/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="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"' -C metadata=817d0538bb7a48f7 -C extra-filename=-817d0538bb7a48f7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-9dbaaf035d6d15d1.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-0bcba2a61b67309f.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-3c8a88541efd8c80.rmeta --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" "31fd2d64d66486b8c1e36d4a670c3708045ca19e754b050b754c48dbe7b7a5bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31fd2d64d66486b8c1e36d4a670c3708045ca19e754b050b754c48dbe7b7a5bc", kill_on_drop: false }`
[INFO] [stdout] 31fd2d64d66486b8c1e36d4a670c3708045ca19e754b050b754c48dbe7b7a5bc