[INFO] fetching crate merkle-cbt 0.2.1...
[INFO] testing merkle-cbt-0.2.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate merkle-cbt 0.2.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate merkle-cbt 0.2.1 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 merkle-cbt 0.2.1
[INFO] finished tweaking crates.io crate merkle-cbt 0.2.1
[INFO] tweaked toml for crates.io crate merkle-cbt 0.2.1 written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] b0435192a584512431c5d4ec86a17534395f0230684c110e90758d070fe428a4
[INFO] running `"docker" "start" "-a" "b0435192a584512431c5d4ec86a17534395f0230684c110e90758d070fe428a4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling merkle-cbt v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `"docker" "inspect" "b0435192a584512431c5d4ec86a17534395f0230684c110e90758d070fe428a4"`
[INFO] running `"docker" "rm" "-f" "b0435192a584512431c5d4ec86a17534395f0230684c110e90758d070fe428a4"`
[INFO] [stdout] b0435192a584512431c5d4ec86a17534395f0230684c110e90758d070fe428a4
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] f68d91257a8068e1d195fcee5dae6bb7756327f6d941d1086e21eb54c4cd28ed
[INFO] running `"docker" "start" "-a" "f68d91257a8068e1d195fcee5dae6bb7756327f6d941d1086e21eb54c4cd28ed"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling proptest v0.8.7
[INFO] [stderr]    Compiling merkle-cbt v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 22.16s
[INFO] running `"docker" "inspect" "f68d91257a8068e1d195fcee5dae6bb7756327f6d941d1086e21eb54c4cd28ed"`
[INFO] running `"docker" "rm" "-f" "f68d91257a8068e1d195fcee5dae6bb7756327f6d941d1086e21eb54c4cd28ed"`
[INFO] [stdout] f68d91257a8068e1d195fcee5dae6bb7756327f6d941d1086e21eb54c4cd28ed
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] a47b392610bab6c928a75d186d99f72a85f451a4123179102304a8b3b6e04970
[INFO] running `"docker" "start" "-a" "a47b392610bab6c928a75d186d99f72a85f451a4123179102304a8b3b6e04970"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/merkle_cbt-f5fbb4dfa48d23ca
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test merkle_tree::tests::build_five ... ok
[INFO] [stdout] test merkle_tree::tests::build_one ... ok
[INFO] [stdout] test merkle_tree::tests::build_root_directly ... ok
[INFO] [stdout] test merkle_tree::tests::build_two ... ok
[INFO] [stdout] test merkle_tree::tests::build_proof ... ok
[INFO] [stdout] test merkle_tree::tests::build_empty ... ok
[INFO] [stdout] test merkle_tree::tests::build_root_is_same_as_tree_root ... ok
[INFO] [stdout] test merkle_tree::tests::tree_root_is_same_as_proof_root ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests merkle-cbt
[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" "a47b392610bab6c928a75d186d99f72a85f451a4123179102304a8b3b6e04970"`
[INFO] running `"docker" "rm" "-f" "a47b392610bab6c928a75d186d99f72a85f451a4123179102304a8b3b6e04970"`
[INFO] [stdout] a47b392610bab6c928a75d186d99f72a85f451a4123179102304a8b3b6e04970