[INFO] fetching crate safecoin-streamer 1.6.16...
[INFO] testing safecoin-streamer-1.6.16 against 1.60.0 for beta-1.61-1
[INFO] extracting crate safecoin-streamer 1.6.16 into /workspace/builds/worker-90/source
[INFO] validating manifest of crates.io crate safecoin-streamer 1.6.16 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate safecoin-streamer 1.6.16
[INFO] finished tweaking crates.io crate safecoin-streamer 1.6.16
[INFO] tweaked toml for crates.io crate safecoin-streamer 1.6.16 written to /workspace/builds/worker-90/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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 dlopen_derive v0.1.4
[INFO] [stderr]   Downloaded dlopen v0.1.8
[INFO] [stderr]   Downloaded jemalloc-ctl v0.3.3
[INFO] [stderr]   Downloaded safecoin-measure v1.6.16
[INFO] [stderr]   Downloaded safecoin-perf v1.6.16
[INFO] [stderr]   Downloaded safecoin-budget-program v1.6.16
[INFO] [stderr]   Downloaded safecoin-rayon-threadlimit v1.6.16
[INFO] [stderr]   Downloaded safecoin-metrics v1.6.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da20fe165d14c6e263cba208cb0b4afefd801b39d6ca8e8ae8a5121888092537
[INFO] running `Command { std: "docker" "start" "-a" "da20fe165d14c6e263cba208cb0b4afefd801b39d6ca8e8ae8a5121888092537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da20fe165d14c6e263cba208cb0b4afefd801b39d6ca8e8ae8a5121888092537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da20fe165d14c6e263cba208cb0b4afefd801b39d6ca8e8ae8a5121888092537", kill_on_drop: false }`
[INFO] [stdout] da20fe165d14c6e263cba208cb0b4afefd801b39d6ca8e8ae8a5121888092537
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed87b9eb665778d905d178c75ee2ccef497c54b1cd8286958273ff013e8f4643
[INFO] running `Command { std: "docker" "start" "-a" "ed87b9eb665778d905d178c75ee2ccef497c54b1cd8286958273ff013e8f4643", 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 v0.2.123
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling slab v0.4.6
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling ipnet v2.4.0
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling assert_matches v1.5.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling httparse v1.7.0
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling regex v1.5.5
[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-1.0.91/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="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --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=21ec6215cd4d01e0 -C extra-filename=-21ec6215cd4d01e0 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-adfd7b1b4588a8fe.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-aa6c9ed6a3b65ac7.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-d8167d72773bee47.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (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" "ed87b9eb665778d905d178c75ee2ccef497c54b1cd8286958273ff013e8f4643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed87b9eb665778d905d178c75ee2ccef497c54b1cd8286958273ff013e8f4643", kill_on_drop: false }`
[INFO] [stdout] ed87b9eb665778d905d178c75ee2ccef497c54b1cd8286958273ff013e8f4643