[INFO] fetching crate safecoin-ledger 1.6.16...
[INFO] testing safecoin-ledger-1.6.16 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate safecoin-ledger 1.6.16 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate safecoin-ledger 1.6.16 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 safecoin-ledger 1.6.16
[INFO] finished tweaking crates.io crate safecoin-ledger 1.6.16
[INFO] tweaked toml for crates.io crate safecoin-ledger 1.6.16 written to /workspace/builds/worker-37/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 8fef7f38ecc22dbe8e47852d70349f89ec4b9e21c70b6ea179cd64e32b9d7d9e
[INFO] running `Command { std: "docker" "start" "-a" "8fef7f38ecc22dbe8e47852d70349f89ec4b9e21c70b6ea179cd64e32b9d7d9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fef7f38ecc22dbe8e47852d70349f89ec4b9e21c70b6ea179cd64e32b9d7d9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fef7f38ecc22dbe8e47852d70349f89ec4b9e21c70b6ea179cd64e32b9d7d9e", kill_on_drop: false }`
[INFO] [stdout] 8fef7f38ecc22dbe8e47852d70349f89ec4b9e21c70b6ea179cd64e32b9d7d9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 415a68c2bd1d946303224d776d9f04c9864cdaca3bf5d488c4dc96e2a3c2ed6a
[INFO] running `Command { std: "docker" "start" "-a" "415a68c2bd1d946303224d776d9f04c9864cdaca3bf5d488c4dc96e2a3c2ed6a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling feature-probe v0.1.1
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling bs58 v0.3.1
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling serde_json v1.0.71
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling encoding_rs v0.8.29
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling assert_matches v1.5.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling zstd-safe v2.0.6+zstd.1.4.7
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling bindgen v0.59.1
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling symlink v0.1.0
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling ascii v0.9.3
[INFO] [stderr]    Compiling tower-layer v0.3.1
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling simpl v0.1.0
[INFO] [stderr]    Compiling arc-swap v1.5.0
[INFO] [stderr]    Compiling ieee754 v0.2.6
[INFO] [stderr]    Compiling indexed v0.1.1
[INFO] [stderr]    Compiling arc-swap v0.4.8
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling qstring v0.7.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling clang-sys v1.3.0
[INFO] [stderr]    Compiling solana-frozen-abi-macro v1.6.16
[INFO] [stderr]    Compiling solana-frozen-abi v1.6.16
[INFO] [stderr]    Compiling safecoin-program v1.6.16
[INFO] [stderr]    Compiling safecoin-sdk v1.6.16
[INFO] [stderr]    Compiling solana-program v1.6.16
[INFO] [stderr]    Compiling solana-sdk v1.6.16
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling safecoin-stake-program v1.6.16
[INFO] [stderr]    Compiling safecoin-frozen-abi-macro v1.6.16
[INFO] [stderr]    Compiling safecoin-frozen-abi v1.6.16
[INFO] [stderr]    Compiling safecoin-runtime v1.6.16
[INFO] [stderr]    Compiling safecoin-ledger v1.6.16 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.25/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="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=c25dc19d7487cdf7 -C extra-filename=-c25dc19d7487cdf7 --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" "415a68c2bd1d946303224d776d9f04c9864cdaca3bf5d488c4dc96e2a3c2ed6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "415a68c2bd1d946303224d776d9f04c9864cdaca3bf5d488c4dc96e2a3c2ed6a", kill_on_drop: false }`
[INFO] [stdout] 415a68c2bd1d946303224d776d9f04c9864cdaca3bf5d488c4dc96e2a3c2ed6a