[INFO] crate lark-unify 0.1.0 is already in cache
[INFO] testing lark-unify-0.1.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate lark-unify 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate lark-unify 0.1.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate lark-unify 0.1.0
[INFO] finished tweaking crates.io crate lark-unify 0.1.0
[INFO] tweaked toml for crates.io crate lark-unify 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 241cfd4eef46b8799e6f80b44f357159d6304a17acd63c68075af8fb612c79bc
[INFO] running `"docker" "start" "-a" "241cfd4eef46b8799e6f80b44f357159d6304a17acd63c68075af8fb612c79bc"`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling lark-debug-with v0.1.0
[INFO] [stderr]    Compiling lark-collections v0.1.0
[INFO] [stderr]    Compiling lark-unify v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.95s
[INFO] running `"docker" "inspect" "241cfd4eef46b8799e6f80b44f357159d6304a17acd63c68075af8fb612c79bc"`
[INFO] running `"docker" "rm" "-f" "241cfd4eef46b8799e6f80b44f357159d6304a17acd63c68075af8fb612c79bc"`
[INFO] [stdout] 241cfd4eef46b8799e6f80b44f357159d6304a17acd63c68075af8fb612c79bc
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ea86b32992052d72ca6f2982776d2a4646e8b51687b399b8f8d39e40e0260e7d
[INFO] running `"docker" "start" "-a" "ea86b32992052d72ca6f2982776d2a4646e8b51687b399b8f8d39e40e0260e7d"`
[INFO] [stderr]    Compiling lark-unify v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "ea86b32992052d72ca6f2982776d2a4646e8b51687b399b8f8d39e40e0260e7d"`
[INFO] running `"docker" "rm" "-f" "ea86b32992052d72ca6f2982776d2a4646e8b51687b399b8f8d39e40e0260e7d"`
[INFO] [stdout] ea86b32992052d72ca6f2982776d2a4646e8b51687b399b8f8d39e40e0260e7d
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a69c6e40d55bb1c15f2b64f1b1dccb13aea26598f28a0e247ed97bc5a99bfc8b
[INFO] running `"docker" "start" "-a" "a69c6e40d55bb1c15f2b64f1b1dccb13aea26598f28a0e247ed97bc5a99bfc8b"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lark_unify-fee9012d687d182c
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lark-unify
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a69c6e40d55bb1c15f2b64f1b1dccb13aea26598f28a0e247ed97bc5a99bfc8b"`
[INFO] running `"docker" "rm" "-f" "a69c6e40d55bb1c15f2b64f1b1dccb13aea26598f28a0e247ed97bc5a99bfc8b"`
[INFO] [stdout] a69c6e40d55bb1c15f2b64f1b1dccb13aea26598f28a0e247ed97bc5a99bfc8b