[INFO] fetching crate sparse-merkle-tree 0.3.1-pre...
[INFO] testing sparse-merkle-tree-0.3.1-pre against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate sparse-merkle-tree 0.3.1-pre into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate sparse-merkle-tree 0.3.1-pre on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sparse-merkle-tree 0.3.1-pre
[INFO] finished tweaking crates.io crate sparse-merkle-tree 0.3.1-pre
[INFO] tweaked toml for crates.io crate sparse-merkle-tree 0.3.1-pre written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rusty-fork v0.2.2
[INFO] [stderr]   Downloaded proptest v0.9.6
[INFO] [stderr]   Downloaded blake2b-rs v0.1.5
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", 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] 52f2d6026c670fcb3eb4e317b3e3c642046cfc5804a34fdb0ea8edd36e68c97a
[INFO] running `Command { std: "docker" "start" "-a" "52f2d6026c670fcb3eb4e317b3e3c642046cfc5804a34fdb0ea8edd36e68c97a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52f2d6026c670fcb3eb4e317b3e3c642046cfc5804a34fdb0ea8edd36e68c97a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52f2d6026c670fcb3eb4e317b3e3c642046cfc5804a34fdb0ea8edd36e68c97a", kill_on_drop: false }`
[INFO] [stdout] 52f2d6026c670fcb3eb4e317b3e3c642046cfc5804a34fdb0ea8edd36e68c97a
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8a6a86cb08cb0b61a0e41202f3482d9daf9bf00947e54b5851d516027892e9a
[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" "f8a6a86cb08cb0b61a0e41202f3482d9daf9bf00947e54b5851d516027892e9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.65
[INFO] [stderr]    Compiling blake2b-rs v0.1.5
[INFO] [stderr]    Compiling sparse-merkle-tree v0.3.1-pre (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.41s
[INFO] running `Command { std: "docker" "inspect" "f8a6a86cb08cb0b61a0e41202f3482d9daf9bf00947e54b5851d516027892e9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8a6a86cb08cb0b61a0e41202f3482d9daf9bf00947e54b5851d516027892e9a", kill_on_drop: false }`
[INFO] [stdout] f8a6a86cb08cb0b61a0e41202f3482d9daf9bf00947e54b5851d516027892e9a
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8fc0c4832c7691833666452860e183571290432ab205a20b15805ab7565193e
[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" "b8fc0c4832c7691833666452860e183571290432ab205a20b15805ab7565193e", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.3
[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 regex-automata v0.1.9
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling proptest v0.9.6
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling sparse-merkle-tree v0.3.1-pre (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "b8fc0c4832c7691833666452860e183571290432ab205a20b15805ab7565193e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8fc0c4832c7691833666452860e183571290432ab205a20b15805ab7565193e", kill_on_drop: false }`
[INFO] [stdout] b8fc0c4832c7691833666452860e183571290432ab205a20b15805ab7565193e
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c20daaa535557c6a38c07bf4b59dac89ee0cd41281fe461d492fb20ff3ed179a
[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" "c20daaa535557c6a38c07bf4b59dac89ee0cd41281fe461d492fb20ff3ed179a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sparse_merkle_tree-50d4d6047bac7902
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test tests::test_delete_a_leaf ... ok
[INFO] [stdout] test tests::test_merkle_root ... ok
[INFO] [stdout] test tests::test_h256_copy_bits ... ok
[INFO] [stdout] test tests::test_random_construct ... ok
[INFO] [stdout] test tests::test_default_root ... ok
[INFO] [stdout] test tests::test_default_tree ... ok
[INFO] [stdout] test tests::test_default_merkle_proof ... ok
[INFO] [stdout] test tests::test_h256 ... ok
[INFO] [stdout] test tests::test_random_update ... ok
[INFO] [stdout] test tests::test_v0_3_broken_sample ... ok
[INFO] [stdout] test tests::test_random_merkle_proof ... ok
[INFO] [stdout] test tests::test_random_update_tree_store ... ok
[INFO] [stdout] test tests::test_v0_2_broken_sample ... ok
[INFO] [stdout] test tests::test_zero_value_donot_change_root ... ok
[INFO] [stdout] test tests::test_zero_value_donot_change_store ... ok
[INFO] [stdout] test tests::test_smt_update_with_zero_values ... ok
[INFO] [stdout] test tests::test_update_smt_tree_store ... ok
[INFO] [stdout] test tests::test_smt_non_exists_leaves ... ok
[INFO] [stdout] test tests::test_smt_non_exists_leaves_mix ... ok
[INFO] [stdout] test tests::test_smt_multi_leaves_small ... ok
[INFO] [stdout] test tests::test_smt_random_insert_order ... ok
[INFO] [stdout] test tests::test_smt_single_leaf_small ... ok
[INFO] [stdout] test tests::test_smt_multi_leaves_large ... ok
[INFO] [stdout] test tests::test_smt_single_leaf_large ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sparse-merkle-tree
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c20daaa535557c6a38c07bf4b59dac89ee0cd41281fe461d492fb20ff3ed179a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c20daaa535557c6a38c07bf4b59dac89ee0cd41281fe461d492fb20ff3ed179a", kill_on_drop: false }`
[INFO] [stdout] c20daaa535557c6a38c07bf4b59dac89ee0cd41281fe461d492fb20ff3ed179a