[INFO] fetching crate merkle_trees 0.1.0...
[INFO] testing merkle_trees-0.1.0 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate merkle_trees 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate merkle_trees 0.1.0
[INFO] finished tweaking crates.io crate merkle_trees 0.1.0
[INFO] tweaked toml for crates.io crate merkle_trees 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate merkle_trees 0.1.0 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0f7eb329896adf21357768af4ec11334fece3848f684ec7478f9d97116f9d2f
[INFO] running `Command { std: "docker" "start" "-a" "c0f7eb329896adf21357768af4ec11334fece3848f684ec7478f9d97116f9d2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0f7eb329896adf21357768af4ec11334fece3848f684ec7478f9d97116f9d2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0f7eb329896adf21357768af4ec11334fece3848f684ec7478f9d97116f9d2f", kill_on_drop: false }`
[INFO] [stdout] c0f7eb329896adf21357768af4ec11334fece3848f684ec7478f9d97116f9d2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26adfc65a354bf529416c305b7edf1b7f51bd1296775acfa6d7e1249bcc7b887
[INFO] running `Command { std: "docker" "start" "-a" "26adfc65a354bf529416c305b7edf1b7f51bd1296775acfa6d7e1249bcc7b887", kill_on_drop: false }`
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[INFO] [stderr]    Compiling rustc-demangle v0.1.27
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling block-padding v0.1.5
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[INFO] [stderr]    Compiling keccak v0.1.6
[INFO] [stderr]    Compiling rlp v0.4.6
[INFO] [stderr]    Compiling generic-array v0.13.3
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[INFO] [stderr]    Compiling rand_core v0.3.1
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[INFO] [stderr]    Compiling sha3 v0.8.2
[INFO] [stderr]    Compiling serde_json v1.0.149
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[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling addr2line v0.25.1
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[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling merkle_trees v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/compact_merkle_tree.rs:284:28
[INFO] [stdout]     |
[INFO] [stdout] 284 |                     idx += (p - 1);
[INFO] [stdout]     |                            ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 284 -                     idx += (p - 1);
[INFO] [stdout] 284 +                     idx += p - 1 ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/compact_merkle_tree.rs:834:29
[INFO] [stdout]     |
[INFO] [stdout] 834 |         let last_leaf_idx = (size - 1);
[INFO] [stdout]     |                             ^        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 834 -         let last_leaf_idx = (size - 1);
[INFO] [stdout] 834 +         let last_leaf_idx = size - 1 ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::FromIterator`
[INFO] [stdout]  --> src/db.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::hasher::Arity2Hasher`
[INFO] [stdout]  --> src/merkle_patricia_trie.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::hasher::Arity2Hasher;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::types::LeafIndex`
[INFO] [stdout]   --> src/merkle_patricia_trie.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::types::LeafIndex;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arrayvec::ArrayVec`
[INFO] [stdout]  --> src/types.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use arrayvec::ArrayVec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_traits::identities::Zero`
[INFO] [stdout]  --> src/types.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use num_traits::identities::Zero;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_empty`, `is_leaf`, and `is_extension` are never used
[INFO] [stdout]   --> src/merkle_patricia_trie.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl<H, V> NodeType<H, V> {
[INFO] [stdout]    | ------------------------- methods in this implementation
[INFO] [stdout] 35 |     fn is_empty(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn is_leaf(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     fn is_extension(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reset_root` is never used
[INFO] [stdout]     --> src/merkle_patricia_trie.rs:1373:8
[INFO] [stdout]      |
[INFO] [stdout]  479 | / impl<V: Clone + Default + Eq, H: Clone, S: Clone + KnownLength, NS, NH>
[INFO] [stdout]  480 | |     MerklePatriciaTrie<V, H, S, NS, NH>
[INFO] [stdout]  481 | | where
[INFO] [stdout]  482 | |     NS: PatriciaTrieNodeSerializer<H, V, S>,
[INFO] [stdout]  483 | |     NH: NodeHasher<S, H>,
[INFO] [stdout]      | |_________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1373 |       fn reset_root(&mut self) {
[INFO] [stdout]      |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/errors.rs:4:39
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Clone, Eq, PartialEq, Debug, Fail)]
[INFO] [stdout]   |                                       ^---
[INFO] [stdout]   |                                       |
[INFO] [stdout]   |                                       `Fail` is not local
[INFO] [stdout]   |                                       move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_MerkleTreeErrorKind`
[INFO] [stdout] 5 | pub enum MerkleTreeErrorKind {
[INFO] [stdout]   |          ------------------- `MerkleTreeErrorKind` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/errors.rs:4:39
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Clone, Eq, PartialEq, Debug, Fail)]
[INFO] [stdout]   |                                       ^---
[INFO] [stdout]   |                                       |
[INFO] [stdout]   |                                       `Display` is not local
[INFO] [stdout]   |                                       move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_MerkleTreeErrorKind`
[INFO] [stdout] 5 | pub enum MerkleTreeErrorKind {
[INFO] [stdout]   |          ------------------- `MerkleTreeErrorKind` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.93s
[INFO] running `Command { std: "docker" "inspect" "26adfc65a354bf529416c305b7edf1b7f51bd1296775acfa6d7e1249bcc7b887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26adfc65a354bf529416c305b7edf1b7f51bd1296775acfa6d7e1249bcc7b887", kill_on_drop: false }`
[INFO] [stdout] 26adfc65a354bf529416c305b7edf1b7f51bd1296775acfa6d7e1249bcc7b887
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 692748d80c291d02813106fe9b086c2faf5836d77dcdfa9ffc2fa8b9b6249c80
[INFO] running `Command { std: "docker" "start" "-a" "692748d80c291d02813106fe9b086c2faf5836d77dcdfa9ffc2fa8b9b6249c80", kill_on_drop: false }`
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[INFO] [stderr]    Compiling atty v0.2.14
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[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling find-msvc-tools v0.1.9
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling cc v1.2.58
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling crypto-mac v0.7.0
[INFO] [stderr]    Compiling tiny-keccak v1.5.0
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling serde_bytes v0.11.19
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rustc-hex v1.0.0
[INFO] [stderr]    Compiling sled v0.29.2
[INFO] [stderr]    Compiling blake2 v0.8.1
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/compact_merkle_tree.rs:284:28
[INFO] [stdout]     |
[INFO] [stdout] 284 |                     idx += (p - 1);
[INFO] [stdout]     |                            ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 284 -                     idx += (p - 1);
[INFO] [stdout] 284 +                     idx += p - 1 ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/compact_merkle_tree.rs:834:29
[INFO] [stdout]     |
[INFO] [stdout] 834 |         let last_leaf_idx = (size - 1);
[INFO] [stdout]     |                             ^        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 834 -         let last_leaf_idx = (size - 1);
[INFO] [stdout] 834 +         let last_leaf_idx = size - 1 ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::FromIterator`
[INFO] [stdout]  --> src/db.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::hasher::Arity2Hasher`
[INFO] [stdout]  --> src/merkle_patricia_trie.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::hasher::Arity2Hasher;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::types::LeafIndex`
[INFO] [stdout]   --> src/merkle_patricia_trie.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::types::LeafIndex;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arrayvec::ArrayVec`
[INFO] [stdout]  --> src/types.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use arrayvec::ArrayVec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_traits::identities::Zero`
[INFO] [stdout]  --> src/types.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use num_traits::identities::Zero;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_empty`, `is_leaf`, and `is_extension` are never used
[INFO] [stdout]   --> src/merkle_patricia_trie.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl<H, V> NodeType<H, V> {
[INFO] [stdout]    | ------------------------- methods in this implementation
[INFO] [stdout] 35 |     fn is_empty(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn is_leaf(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     fn is_extension(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reset_root` is never used
[INFO] [stdout]     --> src/merkle_patricia_trie.rs:1373:8
[INFO] [stdout]      |
[INFO] [stdout]  479 | / impl<V: Clone + Default + Eq, H: Clone, S: Clone + KnownLength, NS, NH>
[INFO] [stdout]  480 | |     MerklePatriciaTrie<V, H, S, NS, NH>
[INFO] [stdout]  481 | | where
[INFO] [stdout]  482 | |     NS: PatriciaTrieNodeSerializer<H, V, S>,
[INFO] [stdout]  483 | |     NH: NodeHasher<S, H>,
[INFO] [stdout]      | |_________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1373 |       fn reset_root(&mut self) {
[INFO] [stdout]      |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/errors.rs:4:39
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Clone, Eq, PartialEq, Debug, Fail)]
[INFO] [stdout]   |                                       ^---
[INFO] [stdout]   |                                       |
[INFO] [stdout]   |                                       `Fail` is not local
[INFO] [stdout]   |                                       move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_MerkleTreeErrorKind`
[INFO] [stdout] 5 | pub enum MerkleTreeErrorKind {
[INFO] [stdout]   |          ------------------- `MerkleTreeErrorKind` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/errors.rs:4:39
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Clone, Eq, PartialEq, Debug, Fail)]
[INFO] [stdout]   |                                       ^---
[INFO] [stdout]   |                                       |
[INFO] [stdout]   |                                       `Display` is not local
[INFO] [stdout]   |                                       move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_MerkleTreeErrorKind`
[INFO] [stdout] 5 | pub enum MerkleTreeErrorKind {
[INFO] [stdout]   |          ------------------- `MerkleTreeErrorKind` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mimc-rs v0.0.2
[INFO] [stdout] error[E0308]: `if` and `else` have incompatible types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/sled-0.29.2/src/config.rs:552:20
[INFO] [stdout]     |
[INFO] [stdout] 550 |               let try_lock = if self.read_only {
[INFO] [stdout]     |                              ----------------- `if` and `else` have incompatible types
[INFO] [stdout] 551 |                   file.try_lock_shared()
[INFO] [stdout]     |                   ---------------------- expected because of this
[INFO] [stdout] 552 |               } else if cfg!(feature = "testing") {
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] ...   |
[INFO] [stdout] 560 | |                 file.try_lock_exclusive()
[INFO] [stdout] 561 | |             };
[INFO] [stdout]     | |_____________^ expected `Result<(), TryLockError>`, found `Result<(), Error>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `std::result::Result<_, std::fs::TryLockError>`
[INFO] [stdout]                found enum `std::result::Result<_, std::io::Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr] error: could not compile `sled` (lib) due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "692748d80c291d02813106fe9b086c2faf5836d77dcdfa9ffc2fa8b9b6249c80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "692748d80c291d02813106fe9b086c2faf5836d77dcdfa9ffc2fa8b9b6249c80", kill_on_drop: false }`
[INFO] [stdout] 692748d80c291d02813106fe9b086c2faf5836d77dcdfa9ffc2fa8b9b6249c80
