[INFO] crate ssb-rpc 0.3.1 is already in cache
[INFO] testing ssb-rpc-0.3.1 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate ssb-rpc 0.3.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate ssb-rpc 0.3.1 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ssb-rpc 0.3.1
[INFO] finished tweaking crates.io crate ssb-rpc 0.3.1
[INFO] tweaked toml for crates.io crate ssb-rpc 0.3.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2d564e1815f65467d6b2f17e6e59450dfd1bd02119ea0d549ee542c3cbe60b02
[INFO] running `"docker" "start" "-a" "2d564e1815f65467d6b2f17e6e59450dfd1bd02119ea0d549ee542c3cbe60b02"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling cc v1.0.51
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling libsodium-sys v0.0.16
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling secret_handshake v4.0.0
[INFO] [stderr]    Compiling multi-producer-sink v0.3.0
[INFO] [stderr]    Compiling multi-consumer-stream v0.3.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling sodiumoxide v0.0.16
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling atm-io-utils v0.1.0
[INFO] [stderr]    Compiling quickcheck v0.5.0
[INFO] [stderr]    Compiling packet-stream-codec v0.1.0
[INFO] [stderr] error[E0635]: unknown feature `unique`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/secret_handshake-4.0.0/src/lib.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | #![feature(unique)]
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0635`.
[INFO] [stderr] error: could not compile `secret_handshake`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "2d564e1815f65467d6b2f17e6e59450dfd1bd02119ea0d549ee542c3cbe60b02"`
[INFO] running `"docker" "rm" "-f" "2d564e1815f65467d6b2f17e6e59450dfd1bd02119ea0d549ee542c3cbe60b02"`
[INFO] [stdout] 2d564e1815f65467d6b2f17e6e59450dfd1bd02119ea0d549ee542c3cbe60b02