[INFO] fetching crate scylla-aws-keyspaces-authenticator 0.1.0...
[INFO] testing scylla-aws-keyspaces-authenticator-0.1.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate scylla-aws-keyspaces-authenticator 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate scylla-aws-keyspaces-authenticator 0.1.0
[INFO] finished tweaking crates.io crate scylla-aws-keyspaces-authenticator 0.1.0
[INFO] tweaked toml for crates.io crate scylla-aws-keyspaces-authenticator 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate scylla-aws-keyspaces-authenticator 0.1.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate scylla-aws-keyspaces-authenticator 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-openssl v0.6.3
[INFO] [stderr]   Downloaded scylla-macros v0.1.2
[INFO] [stderr]   Downloaded scylla-cql v0.0.3
[INFO] [stderr]   Downloaded openssl-sys v0.9.79
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.83
[INFO] [stderr]   Downloaded bytes-utils v0.1.3
[INFO] [stderr]   Downloaded aws-smithy-async v0.52.0
[INFO] [stderr]   Downloaded aws-sdk-sso v0.22.0
[INFO] [stderr]   Downloaded xmlparser v0.13.5
[INFO] [stderr]   Downloaded aws-endpoint v0.52.0
[INFO] [stderr]   Downloaded aws-http v0.52.0
[INFO] [stderr]   Downloaded cxx-build v1.0.83
[INFO] [stderr]   Downloaded openssl v0.10.44
[INFO] [stderr]   Downloaded cxx v1.0.83
[INFO] [stderr]   Downloaded aws-sdk-sts v0.22.0
[INFO] [stderr]   Downloaded aws-config v0.52.0
[INFO] [stderr]   Downloaded aws-sigv4 v0.52.0
[INFO] [stderr]   Downloaded aws-sig-auth v0.52.0
[INFO] [stderr]   Downloaded aws-smithy-query v0.52.0
[INFO] [stderr]   Downloaded aws-smithy-xml v0.52.0
[INFO] [stderr]   Downloaded aws-smithy-json v0.52.0
[INFO] [stderr]   Downloaded aws-smithy-http-tower v0.52.0
[INFO] [stderr]   Downloaded aws-smithy-client v0.52.0
[INFO] [stderr]   Downloaded aws-smithy-http v0.52.0
[INFO] [stderr]   Downloaded aws-smithy-types v0.52.0
[INFO] [stderr]   Downloaded aws-types v0.52.0
[INFO] [stderr]   Downloaded scylla v0.7.0
[INFO] [stderr]   Downloaded async-trait v0.1.59
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e902c333ea24c2bba2f21e4c0d682ed91c89ceff2ea4f1c8beaae6718c7ba52
[INFO] running `Command { std: "docker" "start" "-a" "9e902c333ea24c2bba2f21e4c0d682ed91c89ceff2ea4f1c8beaae6718c7ba52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e902c333ea24c2bba2f21e4c0d682ed91c89ceff2ea4f1c8beaae6718c7ba52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e902c333ea24c2bba2f21e4c0d682ed91c89ceff2ea4f1c8beaae6718c7ba52", kill_on_drop: false }`
[INFO] [stdout] 9e902c333ea24c2bba2f21e4c0d682ed91c89ceff2ea4f1c8beaae6718c7ba52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f8ff5e172bc498630fde0eaa5e578916be1f197ccee304894420a2b3f3423a4
[INFO] running `Command { std: "docker" "start" "-a" "9f8ff5e172bc498630fde0eaa5e578916be1f197ccee304894420a2b3f3423a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling tokio v1.23.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling futures-sink v0.3.25
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling futures-io v0.3.25
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling outref v0.1.0
[INFO] [stderr]    Compiling time v0.3.17
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling simd-abstraction v0.7.1
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling base64-simd v0.7.0
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]    Compiling rustls v0.20.7
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling bytes-utils v0.1.3
[INFO] [stderr]    Compiling rustls-pemfile v1.0.1
[INFO] [stderr]    Compiling tower-layer v0.3.2
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9f8ff5e172bc498630fde0eaa5e578916be1f197ccee304894420a2b3f3423a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f8ff5e172bc498630fde0eaa5e578916be1f197ccee304894420a2b3f3423a4", kill_on_drop: false }`
[INFO] [stdout] 9f8ff5e172bc498630fde0eaa5e578916be1f197ccee304894420a2b3f3423a4