[INFO] fetching crate chronofold 0.4.0...
[INFO] testing chronofold-0.4.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate chronofold 0.4.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate chronofold 0.4.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chronofold 0.4.0
[INFO] finished tweaking crates.io crate chronofold 0.4.0
[INFO] tweaked toml for crates.io crate chronofold 0.4.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a2decedd9437927322d1247626301df5bd43affbe84d5be3a1a8e8025c4fadf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7a2decedd9437927322d1247626301df5bd43affbe84d5be3a1a8e8025c4fadf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a2decedd9437927322d1247626301df5bd43affbe84d5be3a1a8e8025c4fadf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a2decedd9437927322d1247626301df5bd43affbe84d5be3a1a8e8025c4fadf", kill_on_drop: false }`
[INFO] [stdout] 7a2decedd9437927322d1247626301df5bd43affbe84d5be3a1a8e8025c4fadf
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 204d58e33c539636fd0afe9ae8811e063333a8e393f75dc6eb07bb3640feb461
[INFO] running `Command { std: "docker" "start" "-a" "204d58e33c539636fd0afe9ae8811e063333a8e393f75dc6eb07bb3640feb461", kill_on_drop: false }`
[INFO] [stderr]    Compiling chronofold v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "204d58e33c539636fd0afe9ae8811e063333a8e393f75dc6eb07bb3640feb461", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "204d58e33c539636fd0afe9ae8811e063333a8e393f75dc6eb07bb3640feb461", kill_on_drop: false }`
[INFO] [stdout] 204d58e33c539636fd0afe9ae8811e063333a8e393f75dc6eb07bb3640feb461
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f97ff2b2bb10633c1c821b5d55c545d8806fbeb995942815fb537f52b8d6af72
[INFO] running `Command { std: "docker" "start" "-a" "f97ff2b2bb10633c1c821b5d55c545d8806fbeb995942815fb537f52b8d6af72", kill_on_drop: false }`
[INFO] [stderr]    Compiling chronofold v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.74s
[INFO] running `Command { std: "docker" "inspect" "f97ff2b2bb10633c1c821b5d55c545d8806fbeb995942815fb537f52b8d6af72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f97ff2b2bb10633c1c821b5d55c545d8806fbeb995942815fb537f52b8d6af72", kill_on_drop: false }`
[INFO] [stdout] f97ff2b2bb10633c1c821b5d55c545d8806fbeb995942815fb537f52b8d6af72
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c805fabaa24a5eca22d5caed632a901d36400d452370d6ce5f4ebaab4ee9a033
[INFO] running `Command { std: "docker" "start" "-a" "c805fabaa24a5eca22d5caed632a901d36400d452370d6ce5f4ebaab4ee9a033", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chronofold-4d2aa213b0519b9f)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test iter::tests::iter_subtree ... ok
[INFO] [stdout] test offsetmap::tests::set_and_get_none ... ok
[INFO] [stdout] test iter::tests::iter_ops ... ok
[INFO] [stdout] test offsetmap::tests::set_default ... ok
[INFO] [stdout] test offsetmap::tests::set_and_get_value ... ok
[INFO] [stdout] test iter::tests::skip_while ... ok
[INFO] [stdout] test rangemap::tests::get_empty ... ok
[INFO] [stdout] test rangemap::tests::set_and_get ... ok
[INFO] [stdout] test offsetmap::tests::get_default ... ok
[INFO] [stdout] test rangemap::tests::test_missing_compaction ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/api.rs (/opt/rustwide/target/debug/deps/api-d899658d02fd9e31)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test clear ... ok
[INFO] [stdout] test insert_after ... ok
[INFO] [stdout] test get ... ok
[INFO] [stdout] test is_empty ... ok
[INFO] [stdout] test extend ... ok
[INFO] [stdout] test splice ... ok
[INFO] [stdout] test len ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/corner_cases.rs (/opt/rustwide/target/debug/deps/corner_cases-52ccdfc7906c1379)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test concurrent_deletions ... ok
[INFO] [stdout] test insert_referencing_deleted_element ... ok
[INFO] [stdout] test concurrent_insertions ... ok
[INFO] [stdout] test concurrent_insertion_deletion ... ok
[INFO] [stdout] test concurrent_replacements ... ok
[INFO] [stdout] test concurrent_inserts_referencing_deletions ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/errors.rs (/opt/rustwide/target/debug/deps/errors-e0fae30f9e137a58)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test future_timestamp ... ok
[INFO] [stdout] test existing_timestamp ... ok
[INFO] [stdout] test unknown_timestamp ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/random.rs (/opt/rustwide/target/debug/deps/random-c5a51412bb57e469)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test random_edits_by_two_authors ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/serialization.rs (/opt/rustwide/target/debug/deps/serialization-34b8d925f8cb05de)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/version.rs (/opt/rustwide/target/debug/deps/version-a9f59bc7a52be25a)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test iter_newer_ops ... ok
[INFO] [stdout] test partial_order ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chronofold
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 23) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c805fabaa24a5eca22d5caed632a901d36400d452370d6ce5f4ebaab4ee9a033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c805fabaa24a5eca22d5caed632a901d36400d452370d6ce5f4ebaab4ee9a033", kill_on_drop: false }`
[INFO] [stdout] c805fabaa24a5eca22d5caed632a901d36400d452370d6ce5f4ebaab4ee9a033