[INFO] fetching crate crdt_tree 0.0.15...
[INFO] testing crdt_tree-0.0.15 against 1.55.0 for beta-1.56-1
[INFO] extracting crate crdt_tree 0.0.15 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate crdt_tree 0.0.15 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 crdt_tree 0.0.15
[INFO] finished tweaking crates.io crate crdt_tree 0.0.15
[INFO] tweaked toml for crates.io crate crdt_tree 0.0.15 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate crates.io crate crdt_tree 0.0.15 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] cbb09c27d33c3480af659d566446ca6ce5447b54d082852217e52ef7755a6712
[INFO] running `Command { std: "docker" "start" "-a" "cbb09c27d33c3480af659d566446ca6ce5447b54d082852217e52ef7755a6712", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbb09c27d33c3480af659d566446ca6ce5447b54d082852217e52ef7755a6712", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbb09c27d33c3480af659d566446ca6ce5447b54d082852217e52ef7755a6712", kill_on_drop: false }`
[INFO] [stdout] cbb09c27d33c3480af659d566446ca6ce5447b54d082852217e52ef7755a6712
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] [stdout] c754c69b9bb3edbb18f8523a15d682c5caeab51fe1a77a080a26e6fa2a6a0cfd
[INFO] running `Command { std: "docker" "start" "-a" "c754c69b9bb3edbb18f8523a15d682c5caeab51fe1a77a080a26e6fa2a6a0cfd", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling radium v0.3.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling bitvec v0.17.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling crdts v4.3.0
[INFO] [stderr]    Compiling crdt_tree v0.0.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.75s
[INFO] running `Command { std: "docker" "inspect" "c754c69b9bb3edbb18f8523a15d682c5caeab51fe1a77a080a26e6fa2a6a0cfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c754c69b9bb3edbb18f8523a15d682c5caeab51fe1a77a080a26e6fa2a6a0cfd", kill_on_drop: false }`
[INFO] [stdout] c754c69b9bb3edbb18f8523a15d682c5caeab51fe1a77a080a26e6fa2a6a0cfd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] [stdout] 7551e9314ceace293290c26e204b9c6a8771041202b9562fd9bb54fa23414a57
[INFO] running `Command { std: "docker" "start" "-a" "7551e9314ceace293290c26e204b9c6a8771041202b9562fd9bb54fa23414a57", kill_on_drop: false }`
[INFO] [stderr]    Compiling crdt_tree v0.0.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "7551e9314ceace293290c26e204b9c6a8771041202b9562fd9bb54fa23414a57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7551e9314ceace293290c26e204b9c6a8771041202b9562fd9bb54fa23414a57", kill_on_drop: false }`
[INFO] [stdout] 7551e9314ceace293290c26e204b9c6a8771041202b9562fd9bb54fa23414a57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] [stdout] 99ee15a59b88271cb69b44f9ded4502a9c0ba9ca37b874a13afeb5d6a3ca7386
[INFO] running `Command { std: "docker" "start" "-a" "99ee15a59b88271cb69b44f9ded4502a9c0ba9ca37b874a13afeb5d6a3ca7386", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/crdt_tree-6641e1ef6d11f6a8)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test clock::test::inc_increments_only_the_counter ... ok
[INFO] [stdout] test clock::test::test_partial_order ... ok
[INFO] [stdout] test clock::test::test_total_order ... 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/quickcheck.rs (/opt/rustwide/target/debug/deps/quickcheck-81ae6a5dcbbc3dc0)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test prop_idempotent ... ok
[INFO] [stdout] test prop_parent_unique ... ok
[INFO] [stdout] test prop_commutative ... ok
[INFO] [stdout] test prop_log_descending ... ok
[INFO] [stdout] test prop_acyclic ... ok
[INFO] [stdout] test prop_associative ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 13.29s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tree.rs (/opt/rustwide/target/debug/deps/tree-9afc67180cf0f77c)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test concurrent_moves_cycle ... ok
[INFO] [stdout] test concurrent_moves_lww ... ok
[INFO] [stderr]    Doc-tests crdt_tree
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "99ee15a59b88271cb69b44f9ded4502a9c0ba9ca37b874a13afeb5d6a3ca7386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99ee15a59b88271cb69b44f9ded4502a9c0ba9ca37b874a13afeb5d6a3ca7386", kill_on_drop: false }`
[INFO] [stdout] 99ee15a59b88271cb69b44f9ded4502a9c0ba9ca37b874a13afeb5d6a3ca7386