[INFO] fetching crate proof 0.0.0... [INFO] checking proof-0.0.0 against try#21cad1f647cfd05a566220f933edd88a53e50bcf for pr-129249-1 [INFO] extracting crate proof 0.0.0 into /workspace/builds/worker-6-tc2/source [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-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate proof 0.0.0 on toolchain 21cad1f647cfd05a566220f933edd88a53e50bcf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "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 eth2_ssz v0.1.2 (available: v0.4.0) [INFO] [stderr] Adding eth2_ssz_derive v0.1.0 (available: v0.3.0) [INFO] [stderr] Adding ethereum-types v0.6.0 (available: v0.16.0) [INFO] [stderr] Adding sha2 v0.8.2 (available: v0.11.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] 25ea4ca74e069d5ee11c61d8bfefff182cffb782dbaca3eacd9cb5749e70f802 [INFO] running `Command { std: "docker" "start" "25ea4ca74e069d5ee11c61d8bfefff182cffb782dbaca3eacd9cb5749e70f802", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "25ea4ca74e069d5ee11c61d8bfefff182cffb782dbaca3eacd9cb5749e70f802" "/opt/rustwide/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "25ea4ca74e069d5ee11c61d8bfefff182cffb782dbaca3eacd9cb5749e70f802", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "25ea4ca74e069d5ee11c61d8bfefff182cffb782dbaca3eacd9cb5749e70f802" "/opt/rustwide/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Checking rustc-hex v2.1.0 [INFO] [stderr] Compiling heapsize v0.4.2 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling crunchy v0.2.4 [INFO] [stderr] Checking serde v1.0.228 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking static_assertions v0.2.5 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking typenum v1.20.1 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking rlp v0.4.6 [INFO] [stderr] Checking tiny-keccak v1.5.0 [INFO] [stderr] Checking uint v0.5.0 [INFO] [stderr] Checking uint v0.7.1 [INFO] [stderr] Checking impl-rlp v0.2.1 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking impl-serde v0.2.3 [INFO] [stderr] Checking parity-codec v3.5.4 [INFO] [stderr] Checking ethereum-types-serialize v0.2.2 [INFO] [stderr] Checking impl-codec v0.2.0 [INFO] [stderr] Checking fixed-hash v0.3.2 [INFO] [stderr] Checking ethbloom v0.6.4 [INFO] [stderr] Checking primitive-types v0.3.0 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Checking ethereum-types v0.5.2 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking sha2 v0.8.2 [INFO] [stderr] Checking ethereum-types v0.6.0 [INFO] [stderr] Compiling eth2_ssz_derive v0.1.0 [INFO] [stderr] Checking eth2_ssz v0.1.2 [INFO] [stderr] Checking proof v0.0.0 (/opt/rustwide/workdir) [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, [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: useless conversion to the same type: `u64` [INFO] [stdout] --> tests/simple_fixed_vector.rs:35:29 [INFO] [stdout] | [INFO] [stdout] 35 | height: FixedVector::::height().into(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors [INFO] [stdout] = note: you can instead use the fully-qualified path `::into(val) to avoid triggering this lint [INFO] [stdout] = note: `#[deny(self_type_conversion)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `proof` (test "simple_fixed_vector") due to 1 previous error; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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, [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)]` (part of `#[warn(unused)]`) 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, [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] error: useless conversion to the same type: `u64` [INFO] [stdout] --> tests/practical_structure.rs:68:29 [INFO] [stdout] | [INFO] [stdout] 68 | height: VariableList::::height().into(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors [INFO] [stdout] = note: you can instead use the fully-qualified path `::into(val) to avoid triggering this lint [INFO] [stdout] = note: `#[deny(self_type_conversion)]` on by default [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, [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `proof` (test "practical_structure") due to 1 previous error; 2 warnings emitted [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, [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: useless conversion to the same type: `u64` [INFO] [stdout] --> tests/simple_variable_list.rs:33:29 [INFO] [stdout] | [INFO] [stdout] 33 | height: VariableList::::height().into(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors [INFO] [stdout] = note: you can instead use the fully-qualified path `::into(val) to avoid triggering this lint [INFO] [stdout] = note: `#[deny(self_type_conversion)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `proof` (test "simple_variable_list") due to 1 previous error; 1 warning emitted [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "25ea4ca74e069d5ee11c61d8bfefff182cffb782dbaca3eacd9cb5749e70f802", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25ea4ca74e069d5ee11c61d8bfefff182cffb782dbaca3eacd9cb5749e70f802", kill_on_drop: false }` [INFO] [stdout] 25ea4ca74e069d5ee11c61d8bfefff182cffb782dbaca3eacd9cb5749e70f802