[INFO] fetching crate proof 0.0.0...
[INFO] testing proof-0.0.0 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate proof 0.0.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate proof 0.0.0 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 53 packages to latest compatible versions
[INFO] [stderr]       Adding arrayvec v0.4.12 (latest: v0.7.4)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding block-buffer v0.7.3 (latest: v0.10.4)
[INFO] [stderr]       Adding block-padding v0.1.5 (latest: v0.3.3)
[INFO] [stderr]       Adding cloudabi v0.0.3 (latest: v0.1.0)
[INFO] [stderr]       Adding digest v0.8.1 (latest: v0.10.7)
[INFO] [stderr]       Adding eth2_ssz v0.1.2 (latest: v0.4.0)
[INFO] [stderr]       Adding eth2_ssz_derive v0.1.0 (latest: v0.3.0)
[INFO] [stderr]       Adding ethbloom v0.6.4 (latest: v0.13.0)
[INFO] [stderr]       Adding ethereum-types v0.5.2 (latest: v0.14.1)
[INFO] [stderr]       Adding ethereum-types v0.6.0 (latest: v0.14.1)
[INFO] [stderr]       Adding fixed-hash v0.3.2 (latest: v0.8.0)
[INFO] [stderr]       Adding generic-array v0.12.4 (latest: v1.0.0)
[INFO] [stderr]       Adding impl-codec v0.2.0 (latest: v0.6.0)
[INFO] [stderr]       Adding impl-rlp v0.2.1 (latest: v0.3.0)
[INFO] [stderr]       Adding impl-serde v0.2.3 (latest: v0.4.0)
[INFO] [stderr]       Adding opaque-debug v0.2.3 (latest: v0.3.1)
[INFO] [stderr]       Adding parity-codec v3.5.4 (latest: v4.1.4)
[INFO] [stderr]       Adding primitive-types v0.3.0 (latest: v0.12.2)
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (latest: v1.0.83)
[INFO] [stderr]       Adding quote v0.6.13 (latest: v1.0.36)
[INFO] [stderr]       Adding rand v0.5.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rlp v0.4.6 (latest: v0.5.2)
[INFO] [stderr]       Adding sha2 v0.8.2 (latest: v0.10.8)
[INFO] [stderr]       Adding static_assertions v0.2.5 (latest: v1.1.0)
[INFO] [stderr]       Adding syn v0.15.44 (latest: v2.0.66)
[INFO] [stderr]       Adding tiny-keccak v1.5.0 (latest: v2.0.2)
[INFO] [stderr]       Adding uint v0.5.0 (latest: v0.9.5)
[INFO] [stderr]       Adding uint v0.7.1 (latest: v0.9.5)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (latest: v0.2.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[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 impl-codec v0.2.0
[INFO] [stderr]   Downloaded impl-rlp v0.2.1
[INFO] [stderr]   Downloaded parity-codec v3.5.4
[INFO] [stderr]   Downloaded rlp v0.4.6
[INFO] [stderr]   Downloaded impl-serde v0.2.3
[INFO] [stderr]   Downloaded ethereum-types-serialize v0.2.2
[INFO] [stderr]   Downloaded uint v0.5.0
[INFO] [stderr]   Downloaded ethereum-types v0.5.2
[INFO] [stderr]   Downloaded tiny-keccak v1.5.0
[INFO] [stderr]   Downloaded ethbloom v0.6.4
[INFO] [stderr]   Downloaded fixed-hash v0.3.2
[INFO] [stderr]   Downloaded eth2_ssz_derive v0.1.0
[INFO] [stderr]   Downloaded eth2_ssz v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fc5b6f2262913fac13c957171cbee4d943a6adbe44fcb8097a3198458543738
[INFO] running `Command { std: "docker" "start" "-a" "0fc5b6f2262913fac13c957171cbee4d943a6adbe44fcb8097a3198458543738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fc5b6f2262913fac13c957171cbee4d943a6adbe44fcb8097a3198458543738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fc5b6f2262913fac13c957171cbee4d943a6adbe44fcb8097a3198458543738", kill_on_drop: false }`
[INFO] [stdout] 0fc5b6f2262913fac13c957171cbee4d943a6adbe44fcb8097a3198458543738
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ad629943e6b4a638bda18799d1f6bdb38031ed48845aeaaa408ecb14e831597
[INFO] running `Command { std: "docker" "start" "-a" "0ad629943e6b4a638bda18799d1f6bdb38031ed48845aeaaa408ecb14e831597", kill_on_drop: false }`
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling rlp v0.4.6
[INFO] [stderr]    Compiling static_assertions v0.2.5
[INFO] [stderr]    Compiling impl-serde v0.2.3
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling ethereum-types-serialize v0.2.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling impl-rlp v0.2.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling tiny-keccak v1.5.0
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling uint v0.5.0
[INFO] [stderr]    Compiling uint v0.7.1
[INFO] [stderr]    Compiling parity-codec v3.5.4
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling impl-codec v0.2.0
[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 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` profile [unoptimized + debuginfo] target(s) in 4.48s
[INFO] running `Command { std: "docker" "inspect" "0ad629943e6b4a638bda18799d1f6bdb38031ed48845aeaaa408ecb14e831597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ad629943e6b4a638bda18799d1f6bdb38031ed48845aeaaa408ecb14e831597", kill_on_drop: false }`
[INFO] [stdout] 0ad629943e6b4a638bda18799d1f6bdb38031ed48845aeaaa408ecb14e831597
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 768b47977d63b213c9f5b974b8fe90b19d20eb533338860ce86ccb45f7c2205f
[INFO] running `Command { std: "docker" "start" "-a" "768b47977d63b213c9f5b974b8fe90b19d20eb533338860ce86ccb45f7c2205f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proof v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `a`, `b`, `c`, and `d` are never read
[INFO] [stdout]   --> tests/simple_struct.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct S {
[INFO] [stdout]    |        - fields in this struct
[INFO] [stdout] 18 |     a: U256,
[INFO] [stdout]    |     ^
[INFO] [stdout] 19 |     b: U256,
[INFO] [stdout]    |     ^
[INFO] [stdout] 20 |     c: u128,
[INFO] [stdout]    |     ^
[INFO] [stdout] 21 |     d: u128,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `S` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `a` is never read
[INFO] [stdout]   --> tests/simple_variable_list.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct S {
[INFO] [stdout]    |        - field in this struct
[INFO] [stdout] 15 |     a: VariableList<u128, U4>,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `S` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `a` is never read
[INFO] [stdout]   --> tests/simple_fixed_vector.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct S {
[INFO] [stdout]    |        - field in this struct
[INFO] [stdout] 16 |     a: FixedVector<U256, U4>,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `S` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `timestamp` and `message` are never read
[INFO] [stdout]   --> tests/practical_structure.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Message {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 11 |     timestamp: u64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 12 |     message: FixedVector<u8, U32>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `messages` is never read
[INFO] [stdout]   --> tests/practical_structure.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct State {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 17 |     messages: VariableList<Message, U8>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `State` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a` and `b` are never read
[INFO] [stdout]   --> tests/nested_structure.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct S {
[INFO] [stdout]    |        - fields in this struct
[INFO] [stdout] 23 |     a: U256,
[INFO] [stdout]    |     ^
[INFO] [stdout] 24 |     b: VariableList<u128, U8>,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `S` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "768b47977d63b213c9f5b974b8fe90b19d20eb533338860ce86ccb45f7c2205f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "768b47977d63b213c9f5b974b8fe90b19d20eb533338860ce86ccb45f7c2205f", kill_on_drop: false }`
[INFO] [stdout] 768b47977d63b213c9f5b974b8fe90b19d20eb533338860ce86ccb45f7c2205f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 79a85792e093438e3fcb33af16481bbe279cb7390e532efac4c8c87905cca218
[INFO] running `Command { std: "docker" "start" "-a" "79a85792e093438e3fcb33af16481bbe279cb7390e532efac4c8c87905cca218", kill_on_drop: false }`
[INFO] [stderr] warning: fields `timestamp` and `message` are never read
[INFO] [stderr]   --> tests/practical_structure.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct Message {
[INFO] [stderr]    |        ------- fields in this struct
[INFO] [stderr] 11 |     timestamp: u64,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 12 |     message: FixedVector<u8, U32>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `messages` is never read
[INFO] [stderr]   --> tests/practical_structure.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | struct State {
[INFO] [stderr]    |        ----- field in this struct
[INFO] [stderr] 17 |     messages: VariableList<Message, U8>,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `State` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `a` is never read
[INFO] [stderr]   --> tests/simple_fixed_vector.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | struct S {
[INFO] [stderr]    |        - field in this struct
[INFO] [stderr] 16 |     a: FixedVector<U256, U4>,
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `S` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `a` and `b` are never read
[INFO] [stderr]   --> tests/nested_structure.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | struct S {
[INFO] [stderr]    |        - fields in this struct
[INFO] [stderr] 23 |     a: U256,
[INFO] [stderr]    |     ^
[INFO] [stderr] 24 |     b: VariableList<u128, U8>,
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `S` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `a` is never read
[INFO] [stderr]   --> tests/simple_variable_list.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct S {
[INFO] [stderr]    |        - field in this struct
[INFO] [stderr] 15 |     a: VariableList<u128, U4>,
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `S` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `a`, `b`, `c`, and `d` are never read
[INFO] [stderr]   --> tests/simple_struct.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | struct S {
[INFO] [stderr]    |        - fields in this struct
[INFO] [stderr] 18 |     a: U256,
[INFO] [stderr]    |     ^
[INFO] [stderr] 19 |     b: U256,
[INFO] [stderr]    |     ^
[INFO] [stderr] 20 |     c: u128,
[INFO] [stderr]    |     ^
[INFO] [stderr] 21 |     d: u128,
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `S` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `proof` (test "practical_structure") generated 2 warnings
[INFO] [stderr] warning: `proof` (test "simple_fixed_vector") generated 1 warning
[INFO] [stderr] warning: `proof` (test "nested_structure") generated 1 warning
[INFO] [stderr] warning: `proof` (test "simple_variable_list") generated 1 warning
[INFO] [stderr] warning: `proof` (test "simple_struct") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/proof-2a7b714f15eb628e)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test cache::tests::can_fill ... ok
[INFO] [stdout] test cache::tests::is_valid ... ok
[INFO] [stdout] test merkle_tree_overlay::impls::tests::nested_variable_list_overlay ... ok
[INFO] [stdout] test merkle_tree_overlay::impls::tests::nested_fixed_vector ... ok
[INFO] [stdout] test merkle_tree_overlay::impls::tests::simple_fixed_vector ... ok
[INFO] [stdout] test merkle_tree_overlay::impls::tests::variable_list_overlay ... ok
[INFO] [stdout] test tree_arithmetic::tests::compute_depth_difference ... ok
[INFO] [stdout] test tree_arithmetic::tests::compute_expanded_tree_indexes ... ok
[INFO] [stdout] test tree_arithmetic::tests::compute_left_most_leaf ... ok
[INFO] [stdout] test tree_arithmetic::tests::compute_root_from_depth ... ok
[INFO] [stdout] test tree_arithmetic::tests::compute_log_base_two ... ok
[INFO] [stdout] test merkle_tree_overlay::impls::tests::another_simple_fixed_vector ... ok
[INFO] [stdout] test tree_arithmetic::tests::compute_sibling_index ... ok
[INFO] [stdout] test tree_arithmetic::tests::determine_if_index_is_in_subtree ... ok
[INFO] [stdout] test tree_arithmetic::tests::next_and_last_power_of_two ... 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::transform_subtree_index_to_general ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/nested_structure.rs (/opt/rustwide/target/debug/deps/nested_structure-9545cdb40a9aafef)
[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 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/practical_structure.rs (/opt/rustwide/target/debug/deps/practical_structure-28242236cb591392)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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] [stderr]      Running tests/simple_fixed_vector.rs (/opt/rustwide/target/debug/deps/simple_fixed_vector-613eab01be844ee2)
[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] [stderr]      Running tests/simple_struct.rs (/opt/rustwide/target/debug/deps/simple_struct-775904c919f23d97)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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] [stderr]      Running tests/simple_variable_list.rs (/opt/rustwide/target/debug/deps/simple_variable_list-702bd2f0b42ecf58)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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] [stderr]    Doc-tests proof
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/merkle_tree_overlay/impls.rs - merkle_tree_overlay::impls::impl_merkle_overlay_for_collection_type (line 64) ... FAILED
[INFO] [stdout] test src/merkle_tree_overlay/impls.rs - merkle_tree_overlay::impls::impl_merkle_overlay_for_collection_type (line 54) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/merkle_tree_overlay/impls.rs - merkle_tree_overlay::impls::impl_merkle_overlay_for_collection_type (line 64) stdout ----
[INFO] [stdout] error: unknown start of token: \
[INFO] [stdout]  --> src/merkle_tree_overlay/impls.rs:66:15
[INFO] [stdout]   |
[INFO] [stdout] 4 |         /     \
[INFO] [stdout]   |               ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \
[INFO] [stdout]  --> src/merkle_tree_overlay/impls.rs:68:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |       / \     / \
[INFO] [stdout]   |         ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \
[INFO] [stdout]  --> src/merkle_tree_overlay/impls.rs:68:17
[INFO] [stdout]   |
[INFO] [stdout] 6 |       / \     / \
[INFO] [stdout]   |                 ^
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `<=`
[INFO] [stdout]  --> src/merkle_tree_overlay/impls.rs:67:21
[INFO] [stdout]   |
[INFO] [stdout] 5 |        *       *    <= intermediate nodes
[INFO] [stdout]   |                     ^^ expected expression
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/merkle_tree_overlay/impls.rs - merkle_tree_overlay::impls::impl_merkle_overlay_for_collection_type (line 54) stdout ----
[INFO] [stdout] error: unknown start of token: \
[INFO] [stdout]  --> src/merkle_tree_overlay/impls.rs:56:14
[INFO] [stdout]   |
[INFO] [stdout] 4 |       /      \
[INFO] [stdout]   |              ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \
[INFO] [stdout]  --> src/merkle_tree_overlay/impls.rs:58:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |    /   \
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \
[INFO] [stdout]  --> src/merkle_tree_overlay/impls.rs:60:4
[INFO] [stdout]   |
[INFO] [stdout] 8 |  / \   / \
[INFO] [stdout]   |    ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \
[INFO] [stdout]  --> src/merkle_tree_overlay/impls.rs:60:10
[INFO] [stdout]   |
[INFO] [stdout] 8 |  / \   / \
[INFO] [stdout]   |          ^
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `len`
[INFO] [stdout]  --> src/merkle_tree_overlay/impls.rs:57:14
[INFO] [stdout]   |
[INFO] [stdout] 5 |  data_root   len
[INFO] [stdout]   |              ^^^ expected one of 8 possible tokens
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/merkle_tree_overlay/impls.rs - merkle_tree_overlay::impls::impl_merkle_overlay_for_collection_type (line 54)
[INFO] [stdout]     src/merkle_tree_overlay/impls.rs - merkle_tree_overlay::impls::impl_merkle_overlay_for_collection_type (line 64)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "79a85792e093438e3fcb33af16481bbe279cb7390e532efac4c8c87905cca218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79a85792e093438e3fcb33af16481bbe279cb7390e532efac4c8c87905cca218", kill_on_drop: false }`
[INFO] [stdout] 79a85792e093438e3fcb33af16481bbe279cb7390e532efac4c8c87905cca218
