[INFO] crate rust 0.0.1 is already in cache
[INFO] testing rust-0.0.1 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate rust 0.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rust 0.0.1 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rust 0.0.1
[INFO] finished tweaking crates.io crate rust 0.0.1
[INFO] tweaked toml for crates.io crate rust 0.0.1 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 3c1d7ea0da3cf9b6f6396df2cad0c8ea378f6f58d3bbc72b35986926c33c28c7
[INFO] running `"docker" "start" "-a" "3c1d7ea0da3cf9b6f6396df2cad0c8ea378f6f58d3bbc72b35986926c33c28c7"`
[INFO] [stderr]    Compiling rust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `"docker" "inspect" "3c1d7ea0da3cf9b6f6396df2cad0c8ea378f6f58d3bbc72b35986926c33c28c7"`
[INFO] running `"docker" "rm" "-f" "3c1d7ea0da3cf9b6f6396df2cad0c8ea378f6f58d3bbc72b35986926c33c28c7"`
[INFO] [stdout] 3c1d7ea0da3cf9b6f6396df2cad0c8ea378f6f58d3bbc72b35986926c33c28c7
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 701aa3c1f2af9ecc6e6fa73fb9645e19ebe48c57d8c2dce4c5f9d3efd451a510
[INFO] running `"docker" "start" "-a" "701aa3c1f2af9ecc6e6fa73fb9645e19ebe48c57d8c2dce4c5f9d3efd451a510"`
[INFO] [stderr]    Compiling rust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "701aa3c1f2af9ecc6e6fa73fb9645e19ebe48c57d8c2dce4c5f9d3efd451a510"`
[INFO] running `"docker" "rm" "-f" "701aa3c1f2af9ecc6e6fa73fb9645e19ebe48c57d8c2dce4c5f9d3efd451a510"`
[INFO] [stdout] 701aa3c1f2af9ecc6e6fa73fb9645e19ebe48c57d8c2dce4c5f9d3efd451a510
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 444e28daffdd2fae0702b4e98e08d85c14fefa7158e40f9e7c616123179a3f2d
[INFO] running `"docker" "start" "-a" "444e28daffdd2fae0702b4e98e08d85c14fefa7158e40f9e7c616123179a3f2d"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust-46d18826ea020c70
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust
[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" "444e28daffdd2fae0702b4e98e08d85c14fefa7158e40f9e7c616123179a3f2d"`
[INFO] running `"docker" "rm" "-f" "444e28daffdd2fae0702b4e98e08d85c14fefa7158e40f9e7c616123179a3f2d"`
[INFO] [stdout] 444e28daffdd2fae0702b4e98e08d85c14fefa7158e40f9e7c616123179a3f2d