[INFO] fetching crate proof 0.0.0...
[INFO] testing proof-0.0.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate proof 0.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate proof 0.0.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate proof 0.0.0
[INFO] finished tweaking crates.io crate proof 0.0.0
[INFO] tweaked toml for crates.io crate proof 0.0.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parity-codec v3.5.4
[INFO] [stderr]   Downloaded ethereum-types v0.5.2
[INFO] [stderr]   Downloaded impl-codec v0.2.0
[INFO] [stderr]   Downloaded ethereum-types v0.6.0
[INFO] [stderr]   Downloaded primitive-types v0.3.0
[INFO] [stderr]   Downloaded uint v0.7.1
[INFO] [stderr]   Downloaded ethbloom v0.6.4
[INFO] [stderr]   Downloaded eth2_ssz v0.1.2
[INFO] [stderr]   Downloaded eth2_ssz_derive v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5b5c230419904f8893b046c8434c5bff210bffb623c38062715effaf169ef1b
[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" "d5b5c230419904f8893b046c8434c5bff210bffb623c38062715effaf169ef1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5b5c230419904f8893b046c8434c5bff210bffb623c38062715effaf169ef1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5b5c230419904f8893b046c8434c5bff210bffb623c38062715effaf169ef1b", kill_on_drop: false }`
[INFO] [stdout] d5b5c230419904f8893b046c8434c5bff210bffb623c38062715effaf169ef1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] ebbe3f05300b1f9e9ac9d8e1939d654f2b1af6b5f2b5133c91fa83fbfaf40f59
[INFO] running `Command { std: "docker" "start" "-a" "ebbe3f05300b1f9e9ac9d8e1939d654f2b1af6b5f2b5133c91fa83fbfaf40f59", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling static_assertions v0.2.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling rlp v0.4.6
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling impl-serde v0.2.3
[INFO] [stderr]    Compiling parity-codec v3.5.4
[INFO] [stderr]    Compiling ethereum-types-serialize v0.2.2
[INFO] [stderr]    Compiling impl-rlp v0.2.1
[INFO] [stderr]    Compiling tiny-keccak v1.5.0
[INFO] [stderr]    Compiling impl-codec v0.2.0
[INFO] [stderr]    Compiling uint v0.5.0
[INFO] [stderr]    Compiling uint v0.7.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling fixed-hash v0.3.2
[INFO] [stderr]    Compiling ethbloom v0.6.4
[INFO] [stderr]    Compiling primitive-types v0.3.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling ethereum-types v0.5.2
[INFO] [stderr]    Compiling ethereum-types v0.6.0
[INFO] [stderr]    Compiling eth2_ssz v0.1.2
[INFO] [stderr]    Compiling eth2_ssz_derive v0.1.0
[INFO] [stderr]    Compiling proof v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.27s
[INFO] running `Command { std: "docker" "inspect" "ebbe3f05300b1f9e9ac9d8e1939d654f2b1af6b5f2b5133c91fa83fbfaf40f59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebbe3f05300b1f9e9ac9d8e1939d654f2b1af6b5f2b5133c91fa83fbfaf40f59", kill_on_drop: false }`
[INFO] [stdout] ebbe3f05300b1f9e9ac9d8e1939d654f2b1af6b5f2b5133c91fa83fbfaf40f59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 29f81fbf710c6ec227d5a9e160a9584ae7abb5c45532e6faa8f7d7365ad452e9
[INFO] running `Command { std: "docker" "start" "-a" "29f81fbf710c6ec227d5a9e160a9584ae7abb5c45532e6faa8f7d7365ad452e9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proof v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.97s
[INFO] running `Command { std: "docker" "inspect" "29f81fbf710c6ec227d5a9e160a9584ae7abb5c45532e6faa8f7d7365ad452e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29f81fbf710c6ec227d5a9e160a9584ae7abb5c45532e6faa8f7d7365ad452e9", kill_on_drop: false }`
[INFO] [stdout] 29f81fbf710c6ec227d5a9e160a9584ae7abb5c45532e6faa8f7d7365ad452e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 80e45aa1f3e55ba2798ac66c75970d2a795f37ef15051d96c51eb2f1daffde80
[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" "80e45aa1f3e55ba2798ac66c75970d2a795f37ef15051d96c51eb2f1daffde80", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/proof-a0a6c76efdc44daa
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test merkle_tree_overlay::impls::tests::nested_variable_list_overlay ... ok
[INFO] [stdout] test cache::tests::can_fill ... ok
[INFO] [stdout] test tree_arithmetic::tests::compute_depth_difference ... ok
[INFO] [stdout] test merkle_tree_overlay::impls::tests::variable_list_overlay ... ok
[INFO] [stdout] test tree_arithmetic::tests::compute_expanded_tree_indexes ... ok
[INFO] [stdout] test tree_arithmetic::tests::compute_log_base_two ... ok
[INFO] [stdout] test tree_arithmetic::tests::determine_if_index_is_in_subtree ... ok
[INFO] [stdout] test tree_arithmetic::tests::transform_subtree_index_to_general ... ok
[INFO] [stdout] test tree_arithmetic::tests::transform_general_index_to_subtree ... ok
[INFO] [stdout] test tree_arithmetic::tests::compute_right_most_leaf ... ok
[INFO] [stdout] test tree_arithmetic::tests::next_and_last_power_of_two ... ok
[INFO] [stdout] test tree_arithmetic::tests::compute_root_from_depth ... ok
[INFO] [stdout] test merkle_tree_overlay::impls::tests::simple_fixed_vector ... ok
[INFO] [stdout] test merkle_tree_overlay::impls::tests::nested_fixed_vector ... ok
[INFO] [stdout] test tree_arithmetic::tests::compute_left_most_leaf ... ok
[INFO] [stdout] test tree_arithmetic::tests::compute_sibling_index ... ok
[INFO] [stdout] test merkle_tree_overlay::impls::tests::another_simple_fixed_vector ... ok
[INFO] [stdout] test cache::tests::is_valid ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nested_structure-5bf5e135c06d72e5
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test get_and_set_by_path ... ok
[INFO] [stdout] test readme_test ... ok
[INFO] [stdout] test roundtrip_partial ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/practical_structure-05e7745db53cc8dc
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simple_fixed_vector-5322e9cffaa13b6a
[INFO] [stdout] test roundtrip_partial ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simple_struct-b46a8920c465b1f0
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test get_partial_vector ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simple_variable_list-8e1b9679b8c51d30
[INFO] [stdout] test roundtrip_partial ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests proof
[INFO] [stdout] test roundtrip_partial ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "80e45aa1f3e55ba2798ac66c75970d2a795f37ef15051d96c51eb2f1daffde80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80e45aa1f3e55ba2798ac66c75970d2a795f37ef15051d96c51eb2f1daffde80", kill_on_drop: false }`
[INFO] [stdout] 80e45aa1f3e55ba2798ac66c75970d2a795f37ef15051d96c51eb2f1daffde80