[INFO] fetching crate proof 0.0.0... [INFO] building proof-0.0.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2 [INFO] extracting crate proof 0.0.0 into /workspace/builds/worker-3-tc1/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-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate proof 0.0.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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: v0.15.1) [INFO] [stderr] Adding sha2 v0.8.2 (available: v0.10.9) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--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 primitive-types v0.3.0 [INFO] [stderr] Downloaded ethereum-types-serialize v0.2.2 [INFO] [stderr] Downloaded rlp v0.4.6 [INFO] [stderr] Downloaded impl-serde v0.2.3 [INFO] [stderr] Downloaded impl-rlp v0.2.1 [INFO] [stderr] Downloaded impl-codec v0.2.0 [INFO] [stderr] Downloaded heapsize v0.4.2 [INFO] [stderr] Downloaded ethereum-types v0.5.2 [INFO] [stderr] Downloaded fixed-hash v0.3.2 [INFO] [stderr] Downloaded uint v0.5.0 [INFO] [stderr] Downloaded ethbloom v0.6.4 [INFO] [stderr] Downloaded static_assertions v0.2.5 [INFO] [stderr] Downloaded parity-codec v3.5.4 [INFO] [stderr] Downloaded uint v0.7.1 [INFO] [stderr] Downloaded ethereum-types v0.6.0 [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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2b09124a65c913fd7253c4ebdddf246bf4fb8c9a7bd3a8675f95d35dd1bb24fa [INFO] running `Command { std: "docker" "start" "-a" "2b09124a65c913fd7253c4ebdddf246bf4fb8c9a7bd3a8675f95d35dd1bb24fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2b09124a65c913fd7253c4ebdddf246bf4fb8c9a7bd3a8675f95d35dd1bb24fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b09124a65c913fd7253c4ebdddf246bf4fb8c9a7bd3a8675f95d35dd1bb24fa", kill_on_drop: false }` [INFO] [stdout] 2b09124a65c913fd7253c4ebdddf246bf4fb8c9a7bd3a8675f95d35dd1bb24fa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 03b7ee8925c563956e27495bf5a4548903403ec7195c0f5ce5504cdbcd404573 [INFO] running `Command { std: "docker" "start" "-a" "03b7ee8925c563956e27495bf5a4548903403ec7195c0f5ce5504cdbcd404573", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling crunchy v0.2.4 [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 static_assertions v0.2.5 [INFO] [stderr] Compiling nodrop v0.1.14 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling rlp v0.4.6 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling generic-array v0.12.4 [INFO] [stderr] Compiling block-padding v0.1.5 [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 digest v0.8.1 [INFO] [stderr] Compiling tiny-keccak v1.5.0 [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 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 fixed-hash v0.3.2 [INFO] [stderr] Compiling ethbloom v0.6.4 [INFO] [stderr] Compiling ethereum-types v0.5.2 [INFO] [stderr] Compiling impl-codec v0.2.0 [INFO] [stderr] Compiling primitive-types v0.3.0 [INFO] [stderr] Compiling eth2_ssz v0.1.2 [INFO] [stderr] Compiling ethereum-types v0.6.0 [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 10.14s [INFO] running `Command { std: "docker" "inspect" "03b7ee8925c563956e27495bf5a4548903403ec7195c0f5ce5504cdbcd404573", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03b7ee8925c563956e27495bf5a4548903403ec7195c0f5ce5504cdbcd404573", kill_on_drop: false }` [INFO] [stdout] 03b7ee8925c563956e27495bf5a4548903403ec7195c0f5ce5504cdbcd404573 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8b6f31f1ffd59832879c9648b1bf8b2292ff7bd560687336b7a0fc09ad3623fb [INFO] running `Command { std: "docker" "start" "-a" "8b6f31f1ffd59832879c9648b1bf8b2292ff7bd560687336b7a0fc09ad3623fb", kill_on_drop: false }` [INFO] [stderr] Compiling proof v0.0.0 (/opt/rustwide/workdir) [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] 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] 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] 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] [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] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.75s [INFO] running `Command { std: "docker" "inspect" "8b6f31f1ffd59832879c9648b1bf8b2292ff7bd560687336b7a0fc09ad3623fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b6f31f1ffd59832879c9648b1bf8b2292ff7bd560687336b7a0fc09ad3623fb", kill_on_drop: false }` [INFO] [stdout] 8b6f31f1ffd59832879c9648b1bf8b2292ff7bd560687336b7a0fc09ad3623fb