[INFO] fetching crate stack_epic_chain 3.4.2...
[INFO] testing stack_epic_chain-3.4.2 against 1.75.0 for beta-1.76-1
[INFO] extracting crate stack_epic_chain 3.4.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate stack_epic_chain 3.4.2 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stack_epic_chain 3.4.2
[INFO] finished tweaking crates.io crate stack_epic_chain 3.4.2
[INFO] tweaked toml for crates.io crate stack_epic_chain 3.4.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ripemd160 v0.9.1
[INFO] [stderr]   Downloaded password-hash v0.2.3
[INFO] [stderr]   Downloaded primitive-types v0.3.0
[INFO] [stderr]   Downloaded uint v0.7.1
[INFO] [stderr]   Downloaded fixed-hash v0.3.2
[INFO] [stderr]   Downloaded parity-codec v3.5.4
[INFO] [stderr]   Downloaded crunchy v0.1.6
[INFO] [stderr]   Downloaded keccak-hash v0.2.0
[INFO] [stderr]   Downloaded impl-codec v0.2.0
[INFO] [stderr]   Downloaded serde-value v0.5.3
[INFO] [stderr]   Downloaded arrayvec v0.3.25
[INFO] [stderr]   Downloaded odds v0.2.26
[INFO] [stderr]   Downloaded liblmdb-sys v0.2.2
[INFO] [stderr]   Downloaded stack_epic_core v3.4.2
[INFO] [stderr]   Downloaded stack_epic_store v3.4.2
[INFO] [stderr]   Downloaded log4rs v0.8.3
[INFO] [stderr]   Downloaded lmdb-zero v0.4.4
[INFO] [stderr]   Downloaded arc-swap v0.3.11
[INFO] [stderr]   Downloaded bigint v4.4.3
[INFO] [stderr]   Downloaded static_assertions v0.2.5
[INFO] [stderr]   Downloaded stack_epic_util v3.4.2
[INFO] [stderr]   Downloaded sw-croaring v0.3.11
[INFO] [stderr]   Downloaded stack_epic_keychain v3.4.2
[INFO] [stderr]   Downloaded grin_secp256k1zkp v0.7.12
[INFO] [stderr]   Downloaded stack-croaring-sys v0.3.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3021d59af41bddc764809f7cf6e8cf97341d413a5c72da8cf9eda243ae4e300
[INFO] running `Command { std: "docker" "start" "-a" "f3021d59af41bddc764809f7cf6e8cf97341d413a5c72da8cf9eda243ae4e300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3021d59af41bddc764809f7cf6e8cf97341d413a5c72da8cf9eda243ae4e300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3021d59af41bddc764809f7cf6e8cf97341d413a5c72da8cf9eda243ae4e300", kill_on_drop: false }`
[INFO] [stdout] f3021d59af41bddc764809f7cf6e8cf97341d413a5c72da8cf9eda243ae4e300
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff3a9b6de83174e366414cd8812e26e3c0da1fa94a6c9d3d9373bbf3c941f0f7
[INFO] running `Command { std: "docker" "start" "-a" "ff3a9b6de83174e366414cd8812e26e3c0da1fa94a6c9d3d9373bbf3c941f0f7", kill_on_drop: false }`
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[INFO] [stderr]    Compiling parking_lot v0.6.4
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[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
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[INFO] [stderr]    Compiling tiny-keccak v1.5.0
[INFO] [stderr]    Compiling num-traits v0.1.43
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[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling failure v0.1.8
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[INFO] [stderr]    Compiling lmdb-zero v0.4.4
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[INFO] [stderr]    Compiling serde_yaml v0.8.26
[INFO] [stderr]    Compiling parity-codec v3.5.4
[INFO] [stderr]    Compiling chrono v0.4.31
[INFO] [stderr]    Compiling serde-value v0.5.3
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling impl-codec v0.2.0
[INFO] [stderr]    Compiling primitive-types v0.3.0
[INFO] [stderr]    Compiling log4rs v0.8.3
[INFO] [stderr]    Compiling keccak-hash v0.2.0
[INFO] [stderr]    Compiling stack_epic_util v3.4.2
[INFO] [stderr]    Compiling stack_epic_keychain v3.4.2
[INFO] [stderr]    Compiling stack-croaring-sys v0.3.10
[INFO] [stderr]    Compiling sw-croaring v0.3.11
[INFO] [stderr]    Compiling stack_epic_core v3.4.2
[INFO] [stderr]    Compiling stack_epic_store v3.4.2
[INFO] [stderr]    Compiling stack_epic_chain v3.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::util::RwLock`
[INFO] [stdout]   --> src/pipe.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | use crate::util::RwLock;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]   --> src/pipe.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | use std::sync::Arc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::store::Batch`
[INFO] [stdout]   --> src/txhashset/rewindable_kernel_view.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use crate::store::Batch;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `batch`
[INFO] [stdout]     --> src/chain.rs:1537:69
[INFO] [stdout]      |
[INFO] [stdout] 1537 |             txhashset::header_extending(header_pmmr, &tip, &mut batch, |ext, batch| {
[INFO] [stdout]      |                                                                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_batch`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `batch`
[INFO] [stdout]     --> src/chain.rs:1541:67
[INFO] [stdout]      |
[INFO] [stdout] 1541 |             txhashset::header_extending(sync_pmmr, &tip, &mut batch, |ext, batch| {
[INFO] [stdout]      |                                                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_batch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/pipe.rs:397:14
[INFO] [stdout]     |
[INFO] [stdout] 397 |     if let Some(p) = global::get_policies(header.policy) {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `prev_header` is never read
[INFO] [stdout]    --> src/store.rs:516:14
[INFO] [stdout]     |
[INFO] [stdout] 516 |                     let mut prev_header = None;
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `prev_header` is never read
[INFO] [stdout]    --> src/store.rs:759:14
[INFO] [stdout]     |
[INFO] [stdout] 759 |                     let mut prev_header = None;
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]     --> src/chain.rs:1235:2
[INFO] [stdout]      |
[INFO] [stdout] 1235 |     pub fn header_head(&self) -> Result<Tip, Error> {
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]     --> src/lib.rs:21:9
[INFO] [stdout]      |
[INFO] [stdout] 21   | #![warn(missing_docs)]
[INFO] [stdout]      |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a variant
[INFO] [stdout]   --> src/error.rs:46:2
[INFO] [stdout]    |
[INFO] [stdout] 46 |     DifficultyTooHigh,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a variant
[INFO] [stdout]    --> src/error.rs:158:2
[INFO] [stdout]     |
[INFO] [stdout] 158 |     PolicyIsNotAllowed,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a variant
[INFO] [stdout]    --> src/error.rs:161:2
[INFO] [stdout]     |
[INFO] [stdout] 161 |     InvalidSeed,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a struct
[INFO] [stdout]    --> src/store.rs:682:1
[INFO] [stdout]     |
[INFO] [stdout] 682 | pub struct BottleIter<'a> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 16s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bigint v4.4.3, grin_secp256k1zkp v0.7.12, nom v3.2.1, traitobject v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "ff3a9b6de83174e366414cd8812e26e3c0da1fa94a6c9d3d9373bbf3c941f0f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff3a9b6de83174e366414cd8812e26e3c0da1fa94a6c9d3d9373bbf3c941f0f7", kill_on_drop: false }`
[INFO] [stdout] ff3a9b6de83174e366414cd8812e26e3c0da1fa94a6c9d3d9373bbf3c941f0f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 414e544717fe013d1ef8f17867b07b5009417ff0f1cb904fecc80b67af56e22b
[INFO] running `Command { std: "docker" "start" "-a" "414e544717fe013d1ef8f17867b07b5009417ff0f1cb904fecc80b67af56e22b", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `crate::util::RwLock`
[INFO] [stdout]   --> src/pipe.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | use crate::util::RwLock;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]   --> src/pipe.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | use std::sync::Arc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::store::Batch`
[INFO] [stdout]   --> src/txhashset/rewindable_kernel_view.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use crate::store::Batch;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `batch`
[INFO] [stdout]     --> src/chain.rs:1537:69
[INFO] [stdout]      |
[INFO] [stdout] 1537 |             txhashset::header_extending(header_pmmr, &tip, &mut batch, |ext, batch| {
[INFO] [stdout]      |                                                                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_batch`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `batch`
[INFO] [stdout]     --> src/chain.rs:1541:67
[INFO] [stdout]      |
[INFO] [stdout] 1541 |             txhashset::header_extending(sync_pmmr, &tip, &mut batch, |ext, batch| {
[INFO] [stdout]      |                                                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_batch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/pipe.rs:397:14
[INFO] [stdout]     |
[INFO] [stdout] 397 |     if let Some(p) = global::get_policies(header.policy) {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `prev_header` is never read
[INFO] [stdout]    --> src/store.rs:516:14
[INFO] [stdout]     |
[INFO] [stdout] 516 |                     let mut prev_header = None;
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `prev_header` is never read
[INFO] [stdout]    --> src/store.rs:759:14
[INFO] [stdout]     |
[INFO] [stdout] 759 |                     let mut prev_header = None;
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]     --> src/chain.rs:1235:2
[INFO] [stdout]      |
[INFO] [stdout] 1235 |     pub fn header_head(&self) -> Result<Tip, Error> {
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]     --> src/lib.rs:21:9
[INFO] [stdout]      |
[INFO] [stdout] 21   | #![warn(missing_docs)]
[INFO] [stdout]      |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling stack_epic_chain v3.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: missing documentation for a variant
[INFO] [stdout]   --> src/error.rs:46:2
[INFO] [stdout]    |
[INFO] [stdout] 46 |     DifficultyTooHigh,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a variant
[INFO] [stdout]    --> src/error.rs:158:2
[INFO] [stdout]     |
[INFO] [stdout] 158 |     PolicyIsNotAllowed,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a variant
[INFO] [stdout]    --> src/error.rs:161:2
[INFO] [stdout]     |
[INFO] [stdout] 161 |     InvalidSeed,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a struct
[INFO] [stdout]    --> src/store.rs:682:1
[INFO] [stdout]     |
[INFO] [stdout] 682 | pub struct BottleIter<'a> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `chain` in `self`
[INFO] [stdout]   --> tests/chain_test_helper.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | use self::chain::types::NoopAdapter;
[INFO] [stdout]    |           ^^^^^ could not find `chain` in `self`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `chain` in `self`
[INFO] [stdout]   --> tests/chain_test_helper.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | use self::chain::types::Options;
[INFO] [stdout]    |           ^^^^^ could not find `chain` in `self`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `chain` in `self`
[INFO] [stdout]   --> tests/chain_test_helper.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | use self::chain::types::NoopAdapter;
[INFO] [stdout]    |           ^^^^^ could not find `chain` in `self`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `chain` in `self`
[INFO] [stdout]   --> tests/chain_test_helper.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | use self::chain::types::Options;
[INFO] [stdout]    |           ^^^^^ could not find `chain` in `self`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `self::chain`
[INFO] [stdout]   --> tests/chain_test_helper.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | use self::chain::Chain;
[INFO] [stdout]    |           ^^^^^ could not find `chain` in `self`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `epic_chain`
[INFO] [stdout]   --> tests/chain_test_helper.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use epic_chain as chain;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ no external crate `epic_chain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::util::RwLock`
[INFO] [stdout]   --> tests/chain_test_helper.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use self::util::RwLock;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `self::chain`
[INFO] [stdout]   --> tests/chain_test_helper.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | use self::chain::Chain;
[INFO] [stdout]    |           ^^^^^ could not find `chain` in `self`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `epic_chain`
[INFO] [stdout]   --> tests/chain_test_helper.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use epic_chain as chain;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ no external crate `epic_chain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::util::RwLock`
[INFO] [stdout]   --> tests/chain_test_helper.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use self::util::RwLock;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `epic_chain`
[INFO] [stdout]   --> tests/chain_test_helper.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use epic_chain as chain;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ no external crate `epic_chain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `epic_chain`
[INFO] [stdout]   --> tests/test_txhashset.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use epic_chain as chain;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ no external crate `epic_chain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `chain` in the crate root
[INFO] [stdout]   --> tests/bitmap_accumulator.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | use self::chain::txhashset::BitmapAccumulator;
[INFO] [stdout]    |           ^^^^^ could not find `chain` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::util::RwLock`
[INFO] [stdout]   --> tests/chain_test_helper.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use self::util::RwLock;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `epic_chain`
[INFO] [stdout]   --> tests/bitmap_accumulator.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use epic_chain as chain;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ no external crate `epic_chain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `chain` in the crate root
[INFO] [stdout]   --> tests/test_coinbase_maturity.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | use self::chain::types::NoopAdapter;
[INFO] [stdout]    |           ^^^^^ could not find `chain` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `self::chain`
[INFO] [stdout]   --> tests/test_coinbase_maturity.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | use self::chain::ErrorKind;
[INFO] [stdout]    |           ^^^^^ could not find `chain` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `epic_chain`
[INFO] [stdout]   --> tests/test_coinbase_maturity.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use epic_chain as chain;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ no external crate `epic_chain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::util::RwLock`
[INFO] [stdout]   --> tests/test_coinbase_maturity.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use self::util::RwLock;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `chain` in the crate root
[INFO] [stdout]   --> tests/mine_simple_chain.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | use self::chain::types::{NoopAdapter, Tip};
[INFO] [stdout]    |           ^^^^^ could not find `chain` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `self::chain`
[INFO] [stdout]   --> tests/mine_simple_chain.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | use self::chain::Chain;
[INFO] [stdout]    |           ^^^^^ could not find `chain` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `epic_chain`
[INFO] [stdout]   --> tests/mine_simple_chain.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | use epic_chain as chain;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ no external crate `epic_chain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `chain` in `self`
[INFO] [stdout]   --> tests/chain_test_helper.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | use self::chain::types::NoopAdapter;
[INFO] [stdout]    |           ^^^^^ could not find `chain` in `self`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `chain` in `self`
[INFO] [stdout]   --> tests/chain_test_helper.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | use self::chain::types::Options;
[INFO] [stdout]    |           ^^^^^ could not find `chain` in `self`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `epic_chain`
[INFO] [stdout]   --> tests/mine_simple_chain.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | use epic_chain::{BlockStatus, ChainAdapter, Options};
[INFO] [stdout]    |     ^^^^^^^^^^ use of undeclared crate or module `epic_chain`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 36 | use epic_keychain::{BlockStatus, ChainAdapter, Options};
[INFO] [stdout]    |     ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `self::chain`
[INFO] [stdout]   --> tests/chain_test_helper.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | use self::chain::Chain;
[INFO] [stdout]    |           ^^^^^ could not find `chain` in `self`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `epic_chain`
[INFO] [stdout]   --> tests/chain_test_helper.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use epic_chain as chain;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ no external crate `epic_chain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::util::RwLock`
[INFO] [stdout]   --> tests/chain_test_helper.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use self::util::RwLock;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stack_epic_chain` (test "test_txhashset") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 8 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stack_epic_chain` (test "mine_simple_chain") due to 9 previous errors; 1 warning emitted
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stack_epic_chain` (test "bitmap_accumulator") due to 3 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stack_epic_chain` (test "chain_test_helper") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] error: could not compile `stack_epic_chain` (test "data_file_integrity") due to 5 previous errors; 1 warning emitted
[INFO] [stderr] error: could not compile `stack_epic_chain` (test "test_txhashset_archive") due to 5 previous errors; 1 warning emitted
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stack_epic_chain` (test "test_coinbase_maturity") due to 4 previous errors; 1 warning emitted
[INFO] [stdout] warning: unused import: `crate::util::RwLock`
[INFO] [stdout]   --> src/pipe.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | use crate::util::RwLock;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]   --> src/pipe.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | use std::sync::Arc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::store::Batch`
[INFO] [stdout]   --> src/txhashset/rewindable_kernel_view.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use crate::store::Batch;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `batch`
[INFO] [stdout]     --> src/chain.rs:1537:69
[INFO] [stdout]      |
[INFO] [stdout] 1537 |             txhashset::header_extending(header_pmmr, &tip, &mut batch, |ext, batch| {
[INFO] [stdout]      |                                                                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_batch`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `batch`
[INFO] [stdout]     --> src/chain.rs:1541:67
[INFO] [stdout]      |
[INFO] [stdout] 1541 |             txhashset::header_extending(sync_pmmr, &tip, &mut batch, |ext, batch| {
[INFO] [stdout]      |                                                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_batch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/pipe.rs:397:14
[INFO] [stdout]     |
[INFO] [stdout] 397 |     if let Some(p) = global::get_policies(header.policy) {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `prev_header` is never read
[INFO] [stdout]    --> src/store.rs:516:14
[INFO] [stdout]     |
[INFO] [stdout] 516 |                     let mut prev_header = None;
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `prev_header` is never read
[INFO] [stdout]    --> src/store.rs:759:14
[INFO] [stdout]     |
[INFO] [stdout] 759 |                     let mut prev_header = None;
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "414e544717fe013d1ef8f17867b07b5009417ff0f1cb904fecc80b67af56e22b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "414e544717fe013d1ef8f17867b07b5009417ff0f1cb904fecc80b67af56e22b", kill_on_drop: false }`
[INFO] [stdout] 414e544717fe013d1ef8f17867b07b5009417ff0f1cb904fecc80b67af56e22b
[INFO] testing stack_epic_chain-3.4.2 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate stack_epic_chain 3.4.2 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate stack_epic_chain 3.4.2 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stack_epic_chain 3.4.2
[INFO] finished tweaking crates.io crate stack_epic_chain 3.4.2
[INFO] tweaked toml for crates.io crate stack_epic_chain 3.4.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] d0ad534ae19bd84f12d1464112505699ed8059bca804034fd4dcd7539f074313
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[INFO] running `Command { std: "docker" "rm" "-f" "d0ad534ae19bd84f12d1464112505699ed8059bca804034fd4dcd7539f074313", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8ffc1a046f485390ba04088a4a01e07a40a3a91b8815c2b4283ff028cd00a15
[INFO] running `Command { std: "docker" "start" "-a" "b8ffc1a046f485390ba04088a4a01e07a40a3a91b8815c2b4283ff028cd00a15", kill_on_drop: false }`
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[INFO] [stderr]    Compiling keccak-hash v0.2.0
[INFO] [stderr]    Compiling stack_epic_util v3.4.2
[INFO] [stderr]    Compiling stack_epic_keychain v3.4.2
[INFO] [stderr]    Compiling stack-croaring-sys v0.3.10
[INFO] [stderr]    Compiling sw-croaring v0.3.11
[INFO] [stderr]    Compiling stack_epic_core v3.4.2
[INFO] [stderr]    Compiling stack_epic_store v3.4.2
[INFO] [stderr]    Compiling stack_epic_chain v3.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::util::RwLock`
[INFO] [stdout]   --> src/pipe.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | use crate::util::RwLock;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]   --> src/pipe.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | use std::sync::Arc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::store::Batch`
[INFO] [stdout]   --> src/txhashset/rewindable_kernel_view.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use crate::store::Batch;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `batch`
[INFO] [stdout]     --> src/chain.rs:1537:69
[INFO] [stdout]      |
[INFO] [stdout] 1537 |             txhashset::header_extending(header_pmmr, &tip, &mut batch, |ext, batch| {
[INFO] [stdout]      |                                                                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_batch`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `batch`
[INFO] [stdout]     --> src/chain.rs:1541:67
[INFO] [stdout]      |
[INFO] [stdout] 1541 |             txhashset::header_extending(sync_pmmr, &tip, &mut batch, |ext, batch| {
[INFO] [stdout]      |                                                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_batch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/pipe.rs:397:14
[INFO] [stdout]     |
[INFO] [stdout] 397 |     if let Some(p) = global::get_policies(header.policy) {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `prev_header` is never read
[INFO] [stdout]    --> src/store.rs:516:14
[INFO] [stdout]     |
[INFO] [stdout] 516 |                     let mut prev_header = None;
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `prev_header` is never read
[INFO] [stdout]    --> src/store.rs:759:14
[INFO] [stdout]     |
[INFO] [stdout] 759 |                     let mut prev_header = None;
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]     --> src/chain.rs:1235:2
[INFO] [stdout]      |
[INFO] [stdout] 1235 |     pub fn header_head(&self) -> Result<Tip, Error> {
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]     --> src/lib.rs:21:9
[INFO] [stdout]      |
[INFO] [stdout] 21   | #![warn(missing_docs)]
[INFO] [stdout]      |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a variant
[INFO] [stdout]   --> src/error.rs:46:2
[INFO] [stdout]    |
[INFO] [stdout] 46 |     DifficultyTooHigh,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a variant
[INFO] [stdout]    --> src/error.rs:158:2
[INFO] [stdout]     |
[INFO] [stdout] 158 |     PolicyIsNotAllowed,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a variant
[INFO] [stdout]    --> src/error.rs:161:2
[INFO] [stdout]     |
[INFO] [stdout] 161 |     InvalidSeed,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a struct
[INFO] [stdout]    --> src/store.rs:682:1
[INFO] [stdout]     |
[INFO] [stdout] 682 | pub struct BottleIter<'a> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 08s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bigint v4.4.3, grin_secp256k1zkp v0.7.12, nom v3.2.1, traitobject v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "b8ffc1a046f485390ba04088a4a01e07a40a3a91b8815c2b4283ff028cd00a15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8ffc1a046f485390ba04088a4a01e07a40a3a91b8815c2b4283ff028cd00a15", kill_on_drop: false }`
[INFO] [stdout] b8ffc1a046f485390ba04088a4a01e07a40a3a91b8815c2b4283ff028cd00a15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 645680182d10c14e68bfc5f2fbf890913fb7d846395c55babee3ed250df6ae4f
[INFO] running `Command { std: "docker" "start" "-a" "645680182d10c14e68bfc5f2fbf890913fb7d846395c55babee3ed250df6ae4f", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `crate::util::RwLock`
[INFO] [stdout]   --> src/pipe.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | use crate::util::RwLock;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]   --> src/pipe.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | use std::sync::Arc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::store::Batch`
[INFO] [stdout]   --> src/txhashset/rewindable_kernel_view.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use crate::store::Batch;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `batch`
[INFO] [stdout]     --> src/chain.rs:1537:69
[INFO] [stdout]      |
[INFO] [stdout] 1537 |             txhashset::header_extending(header_pmmr, &tip, &mut batch, |ext, batch| {
[INFO] [stdout]      |                                                                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_batch`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `batch`
[INFO] [stdout]     --> src/chain.rs:1541:67
[INFO] [stdout]      |
[INFO] [stdout] 1541 |             txhashset::header_extending(sync_pmmr, &tip, &mut batch, |ext, batch| {
[INFO] [stdout]      |                                                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_batch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/pipe.rs:397:14
[INFO] [stdout]     |
[INFO] [stdout] 397 |     if let Some(p) = global::get_policies(header.policy) {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling stack_epic_chain v3.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `prev_header` is never read
[INFO] [stdout]    --> src/store.rs:516:14
[INFO] [stdout]     |
[INFO] [stdout] 516 |                     let mut prev_header = None;
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `prev_header` is never read
[INFO] [stdout]    --> src/store.rs:759:14
[INFO] [stdout]     |
[INFO] [stdout] 759 |                     let mut prev_header = None;
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]     --> src/chain.rs:1235:2
[INFO] [stdout]      |
[INFO] [stdout] 1235 |     pub fn header_head(&self) -> Result<Tip, Error> {
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]     --> src/lib.rs:21:9
[INFO] [stdout]      |
[INFO] [stdout] 21   | #![warn(missing_docs)]
[INFO] [stdout]      |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a variant
[INFO] [stdout]   --> src/error.rs:46:2
[INFO] [stdout]    |
[INFO] [stdout] 46 |     DifficultyTooHigh,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a variant
[INFO] [stdout]    --> src/error.rs:158:2
[INFO] [stdout]     |
[INFO] [stdout] 158 |     PolicyIsNotAllowed,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a variant
[INFO] [stdout]    --> src/error.rs:161:2
[INFO] [stdout]     |
[INFO] [stdout] 161 |     InvalidSeed,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a struct
[INFO] [stdout]    --> src/store.rs:682:1
[INFO] [stdout]     |
[INFO] [stdout] 682 | pub struct BottleIter<'a> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `chain` in `self`
[INFO] [stdout]   --> tests/chain_test_helper.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | use self::chain::types::NoopAdapter;
[INFO] [stdout]    |           ^^^^^ could not find `chain` in `self`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `chain` in `self`
[INFO] [stdout]   --> tests/chain_test_helper.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | use self::chain::types::Options;
[INFO] [stdout]    |           ^^^^^ could not find `chain` in `self`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `chain` in `self`
[INFO] [stdout]   --> tests/chain_test_helper.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | use self::chain::types::NoopAdapter;
[INFO] [stdout]    |           ^^^^^ could not find `chain` in `self`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `chain` in `self`
[INFO] [stdout]   --> tests/chain_test_helper.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | use self::chain::types::Options;
[INFO] [stdout]    |           ^^^^^ could not find `chain` in `self`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `chain` in `self`
[INFO] [stdout]   --> tests/chain_test_helper.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | use self::chain::types::NoopAdapter;
[INFO] [stdout]    |           ^^^^^ could not find `chain` in `self`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `chain` in `self`
[INFO] [stdout]   --> tests/chain_test_helper.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | use self::chain::types::Options;
[INFO] [stdout]    |           ^^^^^ could not find `chain` in `self`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `epic_chain`
[INFO] [stdout]   --> tests/chain_test_helper.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use epic_chain as chain;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ no external crate `epic_chain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::util::RwLock`
[INFO] [stdout]   --> tests/chain_test_helper.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use self::util::RwLock;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `self::chain`
[INFO] [stdout]   --> tests/chain_test_helper.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | use self::chain::Chain;
[INFO] [stdout]    |           ^^^^^ could not find `chain` in `self`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `self::chain`
[INFO] [stdout]   --> tests/chain_test_helper.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | use self::chain::Chain;
[INFO] [stdout]    |           ^^^^^ could not find `chain` in `self`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `epic_chain`
[INFO] [stdout]   --> tests/chain_test_helper.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use epic_chain as chain;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ no external crate `epic_chain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::util::RwLock`
[INFO] [stdout]   --> tests/chain_test_helper.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use self::util::RwLock;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `chain` in the crate root
[INFO] [stdout]   --> tests/bitmap_accumulator.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | use self::chain::txhashset::BitmapAccumulator;
[INFO] [stdout]    |           ^^^^^ could not find `chain` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `epic_chain`
[INFO] [stdout]   --> tests/chain_test_helper.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use epic_chain as chain;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ no external crate `epic_chain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::util::RwLock`
[INFO] [stdout]   --> tests/chain_test_helper.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use self::util::RwLock;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `epic_chain`
[INFO] [stdout]   --> tests/bitmap_accumulator.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use epic_chain as chain;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ no external crate `epic_chain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `chain` in the crate root
[INFO] [stdout]   --> tests/test_coinbase_maturity.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | use self::chain::types::NoopAdapter;
[INFO] [stdout]    |           ^^^^^ could not find `chain` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `self::chain`
[INFO] [stdout]   --> tests/chain_test_helper.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | use self::chain::Chain;
[INFO] [stdout]    |           ^^^^^ could not find `chain` in `self`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `epic_chain`
[INFO] [stdout]   --> tests/chain_test_helper.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use epic_chain as chain;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ no external crate `epic_chain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `self::chain`
[INFO] [stdout]   --> tests/test_coinbase_maturity.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | use self::chain::ErrorKind;
[INFO] [stdout]    |           ^^^^^ could not find `chain` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `epic_chain`
[INFO] [stdout]   --> tests/test_coinbase_maturity.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use epic_chain as chain;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ no external crate `epic_chain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::util::RwLock`
[INFO] [stdout]   --> tests/chain_test_helper.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use self::util::RwLock;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::util::RwLock`
[INFO] [stdout]   --> tests/test_coinbase_maturity.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use self::util::RwLock;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stack_epic_chain` (test "bitmap_accumulator") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0433]: failed to resolve: could not find `chain` in the crate root
[INFO] [stdout]   --> tests/mine_simple_chain.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | use self::chain::types::{NoopAdapter, Tip};
[INFO] [stdout]    |           ^^^^^ could not find `chain` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::util::RwLock`
[INFO] [stdout]   --> src/pipe.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | use crate::util::RwLock;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]   --> src/pipe.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | use std::sync::Arc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::store::Batch`
[INFO] [stdout]   --> src/txhashset/rewindable_kernel_view.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use crate::store::Batch;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `self::chain`
[INFO] [stdout]   --> tests/mine_simple_chain.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | use self::chain::Chain;
[INFO] [stdout]    |           ^^^^^ could not find `chain` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `epic_chain`
[INFO] [stdout]   --> tests/mine_simple_chain.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | use epic_chain as chain;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ no external crate `epic_chain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `chain` in `self`
[INFO] [stdout]   --> tests/chain_test_helper.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | use self::chain::types::NoopAdapter;
[INFO] [stdout]    |           ^^^^^ could not find `chain` in `self`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `chain` in `self`
[INFO] [stdout]   --> tests/chain_test_helper.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | use self::chain::types::Options;
[INFO] [stdout]    |           ^^^^^ could not find `chain` in `self`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `epic_chain`
[INFO] [stdout]   --> tests/mine_simple_chain.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | use epic_chain::{BlockStatus, ChainAdapter, Options};
[INFO] [stdout]    |     ^^^^^^^^^^ use of undeclared crate or module `epic_chain`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 36 | use epic_keychain::{BlockStatus, ChainAdapter, Options};
[INFO] [stdout]    |     ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `self::chain`
[INFO] [stdout]   --> tests/chain_test_helper.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | use self::chain::Chain;
[INFO] [stdout]    |           ^^^^^ could not find `chain` in `self`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `epic_chain`
[INFO] [stdout]   --> tests/chain_test_helper.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use epic_chain as chain;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ no external crate `epic_chain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::core::core::hash::Hashed`
[INFO] [stdout]   --> tests/store_indices.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use self::core::core::hash::Hashed;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::util::RwLock`
[INFO] [stdout]   --> tests/chain_test_helper.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use self::util::RwLock;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stack_epic_chain` (test "chain_test_helper") due to 2 previous errors; 1 warning emitted
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stack_epic_chain` (test "data_file_integrity") due to 5 previous errors; 1 warning emitted
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stack_epic_chain` (test "test_coinbase_maturity") due to 4 previous errors; 1 warning emitted
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stack_epic_chain` (test "test_txhashset_archive") due to 5 previous errors; 1 warning emitted
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stack_epic_chain` (test "store_indices") due to 5 previous errors; 2 warnings emitted
[INFO] [stderr] error: could not compile `stack_epic_chain` (test "mine_simple_chain") due to 9 previous errors; 1 warning emitted
[INFO] [stdout] warning: unused variable: `batch`
[INFO] [stdout]     --> src/chain.rs:1537:69
[INFO] [stdout]      |
[INFO] [stdout] 1537 |             txhashset::header_extending(header_pmmr, &tip, &mut batch, |ext, batch| {
[INFO] [stdout]      |                                                                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_batch`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `batch`
[INFO] [stdout]     --> src/chain.rs:1541:67
[INFO] [stdout]      |
[INFO] [stdout] 1541 |             txhashset::header_extending(sync_pmmr, &tip, &mut batch, |ext, batch| {
[INFO] [stdout]      |                                                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_batch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/pipe.rs:397:14
[INFO] [stdout]     |
[INFO] [stdout] 397 |     if let Some(p) = global::get_policies(header.policy) {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `prev_header` is never read
[INFO] [stdout]    --> src/store.rs:516:14
[INFO] [stdout]     |
[INFO] [stdout] 516 |                     let mut prev_header = None;
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `prev_header` is never read
[INFO] [stdout]    --> src/store.rs:759:14
[INFO] [stdout]     |
[INFO] [stdout] 759 |                     let mut prev_header = None;
[INFO] [stdout]     |                             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "645680182d10c14e68bfc5f2fbf890913fb7d846395c55babee3ed250df6ae4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "645680182d10c14e68bfc5f2fbf890913fb7d846395c55babee3ed250df6ae4f", kill_on_drop: false }`
[INFO] [stdout] 645680182d10c14e68bfc5f2fbf890913fb7d846395c55babee3ed250df6ae4f
