[INFO] fetching crate sift4 0.1.4...
[INFO] testing sift4-0.1.4 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate sift4 0.1.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate sift4 0.1.4 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sift4 0.1.4
[INFO] finished tweaking crates.io crate sift4 0.1.4
[INFO] tweaked toml for crates.io crate sift4 0.1.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+beta-2020-06-03" "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] 3a2d60ff16d7599e0f5760ccbf70e69a0330e9a23011c861ccc401ac3d38f0cb
[INFO] running `"docker" "start" "-a" "3a2d60ff16d7599e0f5760ccbf70e69a0330e9a23011c861ccc401ac3d38f0cb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling sift4 v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `"docker" "inspect" "3a2d60ff16d7599e0f5760ccbf70e69a0330e9a23011c861ccc401ac3d38f0cb"`
[INFO] running `"docker" "rm" "-f" "3a2d60ff16d7599e0f5760ccbf70e69a0330e9a23011c861ccc401ac3d38f0cb"`
[INFO] [stdout] 3a2d60ff16d7599e0f5760ccbf70e69a0330e9a23011c861ccc401ac3d38f0cb
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+beta-2020-06-03" "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] 7a801c760ad6e1ce06a6bbd101f3e5aa937b5cbe0bd1cb6f44abcbd7c298a83f
[INFO] running `"docker" "start" "-a" "7a801c760ad6e1ce06a6bbd101f3e5aa937b5cbe0bd1cb6f44abcbd7c298a83f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling sift4 v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "7a801c760ad6e1ce06a6bbd101f3e5aa937b5cbe0bd1cb6f44abcbd7c298a83f"`
[INFO] running `"docker" "rm" "-f" "7a801c760ad6e1ce06a6bbd101f3e5aa937b5cbe0bd1cb6f44abcbd7c298a83f"`
[INFO] [stdout] 7a801c760ad6e1ce06a6bbd101f3e5aa937b5cbe0bd1cb6f44abcbd7c298a83f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+beta-2020-06-03" "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] 5fb514cf063fbcf72d4be9d09d45b368de351ef6f3d47bd44d4086ae3f972adf
[INFO] running `"docker" "start" "-a" "5fb514cf063fbcf72d4be9d09d45b368de351ef6f3d47bd44d4086ae3f972adf"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sift4-0ff755a04aef7415
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::empty ... ok
[INFO] [stdout] test tests::basic ... ok
[INFO] [stdout] test tests::case ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sift4
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - simple (line 12) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5fb514cf063fbcf72d4be9d09d45b368de351ef6f3d47bd44d4086ae3f972adf"`
[INFO] running `"docker" "rm" "-f" "5fb514cf063fbcf72d4be9d09d45b368de351ef6f3d47bd44d4086ae3f972adf"`
[INFO] [stdout] 5fb514cf063fbcf72d4be9d09d45b368de351ef6f3d47bd44d4086ae3f972adf