[INFO] fetching crate ex3-merkle 0.15.0...
[INFO] testing ex3-merkle-0.15.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate ex3-merkle 0.15.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate ex3-merkle 0.15.0
[INFO] finished tweaking crates.io crate ex3-merkle 0.15.0
[INFO] tweaked toml for crates.io crate ex3-merkle 0.15.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ex3-merkle 0.15.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to highest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding sha2 v0.10.9 (available: v0.11.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] fd0f16f08c347a06e126d448b2fdbe952b81f83b5fc20e5fb4b639140b62181c
[INFO] running `Command { std: "docker" "start" "fd0f16f08c347a06e126d448b2fdbe952b81f83b5fc20e5fb4b639140b62181c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd0f16f08c347a06e126d448b2fdbe952b81f83b5fc20e5fb4b639140b62181c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fd0f16f08c347a06e126d448b2fdbe952b81f83b5fc20e5fb4b639140b62181c" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd0f16f08c347a06e126d448b2fdbe952b81f83b5fc20e5fb4b639140b62181c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fd0f16f08c347a06e126d448b2fdbe952b81f83b5fc20e5fb4b639140b62181c" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling ex3-merkle v0.15.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `alloc::boxed::Box`
[INFO] [stdout]  --> src/prelude.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use alloc::boxed::Box;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "fd0f16f08c347a06e126d448b2fdbe952b81f83b5fc20e5fb4b639140b62181c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fd0f16f08c347a06e126d448b2fdbe952b81f83b5fc20e5fb4b639140b62181c" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.23
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.21
[INFO] [stderr]    Compiling crossbeam-deque v0.8.8
[INFO] [stderr]    Compiling either v1.19.0
[INFO] [stdout] warning: unused import: `alloc::boxed::Box`
[INFO] [stdout]  --> src/prelude.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use alloc::boxed::Box;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling ex3-merkle v0.15.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot find module or crate `rs_merkle` in this scope
[INFO] [stdout]  --> tests/common.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rs_merkle::{
[INFO] [stdout]   |     ^^^^^^^^^ use of unresolved module or unlinked crate `rs_merkle`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 2 - use rs_merkle::{
[INFO] [stdout] 2 + use ex3_merkle::{
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `rs_merkle` in this scope
[INFO] [stdout]  --> tests/merkle_proof_test.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     use rs_merkle::{algorithms::Sha256, Error, Hasher, MerkleTree};
[INFO] [stdout]   |         ^^^^^^^^^ use of unresolved module or unlinked crate `rs_merkle`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 6 -     use rs_merkle::{algorithms::Sha256, Error, Hasher, MerkleTree};
[INFO] [stdout] 6 +     use ex3_merkle::{algorithms::Sha256, Error, Hasher, MerkleTree};
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rs_merkle`
[INFO] [stdout]  --> tests/common.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rs_merkle::{
[INFO] [stdout]   |     ^^^^^^^^^ use of unresolved module or unlinked crate `rs_merkle`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 2 - use rs_merkle::{
[INFO] [stdout] 2 + use ex3_merkle::{
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `rs_merkle` in this scope
[INFO] [stdout]   --> tests/merkle_proof_test.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |     use rs_merkle::{algorithms::Sha256, MerkleTree};
[INFO] [stdout]    |         ^^^^^^^^^ use of unresolved module or unlinked crate `rs_merkle`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 87 -     use rs_merkle::{algorithms::Sha256, MerkleTree};
[INFO] [stdout] 87 +     use ex3_merkle::{algorithms::Sha256, MerkleTree};
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rs_merkle`
[INFO] [stdout]  --> tests/merkle_proof_test.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     use rs_merkle::{algorithms::Sha256, Error, Hasher, MerkleTree};
[INFO] [stdout]   |         ^^^^^^^^^ use of unresolved module or unlinked crate `rs_merkle`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 6 -     use rs_merkle::{algorithms::Sha256, Error, Hasher, MerkleTree};
[INFO] [stdout] 6 +     use ex3_merkle::{algorithms::Sha256, Error, Hasher, MerkleTree};
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `rs_merkle` in this scope
[INFO] [stdout]    --> tests/merkle_proof_test.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |     use rs_merkle::{algorithms::Sha256, Error, MerkleProof};
[INFO] [stdout]     |         ^^^^^^^^^ use of unresolved module or unlinked crate `rs_merkle`
[INFO] [stdout]     |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 113 -     use rs_merkle::{algorithms::Sha256, Error, MerkleProof};
[INFO] [stdout] 113 +     use ex3_merkle::{algorithms::Sha256, Error, MerkleProof};
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rs_merkle`
[INFO] [stdout]   --> tests/merkle_proof_test.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |     use rs_merkle::{algorithms::Sha256, MerkleTree};
[INFO] [stdout]    |         ^^^^^^^^^ use of unresolved module or unlinked crate `rs_merkle`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 87 -     use rs_merkle::{algorithms::Sha256, MerkleTree};
[INFO] [stdout] 87 +     use ex3_merkle::{algorithms::Sha256, MerkleTree};
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rs_merkle`
[INFO] [stdout]    --> tests/merkle_proof_test.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |     use rs_merkle::{algorithms::Sha256, Error, MerkleProof};
[INFO] [stdout]     |         ^^^^^^^^^ use of unresolved module or unlinked crate `rs_merkle`
[INFO] [stdout]     |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 113 -     use rs_merkle::{algorithms::Sha256, Error, MerkleProof};
[INFO] [stdout] 113 +     use ex3_merkle::{algorithms::Sha256, Error, MerkleProof};
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `rs_merkle` in this scope
[INFO] [stdout]  --> tests/common.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rs_merkle::{
[INFO] [stdout]   |     ^^^^^^^^^ use of unresolved module or unlinked crate `rs_merkle`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 2 - use rs_merkle::{
[INFO] [stdout] 2 + use ex3_merkle::{
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::common`
[INFO] [stdout]    --> tests/merkle_proof_test.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |     use crate::common;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `rs_merkle` in this scope
[INFO] [stdout]  --> tests/merkle_tree_test.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use rs_merkle::{
[INFO] [stdout]   |         ^^^^^^^^^ use of unresolved module or unlinked crate `rs_merkle`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 5 -     use rs_merkle::{
[INFO] [stdout] 5 +     use ex3_merkle::{
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rs_merkle`
[INFO] [stdout]  --> tests/common.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rs_merkle::{
[INFO] [stdout]   |     ^^^^^^^^^ use of unresolved module or unlinked crate `rs_merkle`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 2 - use rs_merkle::{
[INFO] [stdout] 2 + use ex3_merkle::{
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `rs_merkle` in this scope
[INFO] [stdout]   --> tests/merkle_tree_test.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     use rs_merkle::{algorithms::Sha256, MerkleTree};
[INFO] [stdout]    |         ^^^^^^^^^ use of unresolved module or unlinked crate `rs_merkle`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 33 -     use rs_merkle::{algorithms::Sha256, MerkleTree};
[INFO] [stdout] 33 +     use ex3_merkle::{algorithms::Sha256, MerkleTree};
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rs_merkle`
[INFO] [stdout]  --> tests/merkle_tree_test.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use rs_merkle::{
[INFO] [stdout]   |         ^^^^^^^^^ use of unresolved module or unlinked crate `rs_merkle`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 5 -     use rs_merkle::{
[INFO] [stdout] 5 +     use ex3_merkle::{
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `rs_merkle` in this scope
[INFO] [stdout]   --> tests/merkle_tree_test.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     use rs_merkle::{algorithms::Sha256, MerkleTree};
[INFO] [stdout]    |         ^^^^^^^^^ use of unresolved module or unlinked crate `rs_merkle`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 48 -     use rs_merkle::{algorithms::Sha256, MerkleTree};
[INFO] [stdout] 48 +     use ex3_merkle::{algorithms::Sha256, MerkleTree};
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rs_merkle`
[INFO] [stdout]   --> tests/merkle_tree_test.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     use rs_merkle::{algorithms::Sha256, MerkleTree};
[INFO] [stdout]    |         ^^^^^^^^^ use of unresolved module or unlinked crate `rs_merkle`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 33 -     use rs_merkle::{algorithms::Sha256, MerkleTree};
[INFO] [stdout] 33 +     use ex3_merkle::{algorithms::Sha256, MerkleTree};
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `rs_merkle` in this scope
[INFO] [stdout]   --> tests/merkle_tree_test.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     use rs_merkle::{algorithms::Sha256, Error, Hasher, MerkleTree};
[INFO] [stdout]    |         ^^^^^^^^^ use of unresolved module or unlinked crate `rs_merkle`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 70 -     use rs_merkle::{algorithms::Sha256, Error, Hasher, MerkleTree};
[INFO] [stdout] 70 +     use ex3_merkle::{algorithms::Sha256, Error, Hasher, MerkleTree};
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rs_merkle`
[INFO] [stdout]   --> tests/merkle_tree_test.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     use rs_merkle::{algorithms::Sha256, MerkleTree};
[INFO] [stdout]    |         ^^^^^^^^^ use of unresolved module or unlinked crate `rs_merkle`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 48 -     use rs_merkle::{algorithms::Sha256, MerkleTree};
[INFO] [stdout] 48 +     use ex3_merkle::{algorithms::Sha256, MerkleTree};
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `rs_merkle` in this scope
[INFO] [stdout]    --> tests/merkle_tree_test.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 201 |     use rs_merkle::{algorithms::Sha256, Hasher, MerkleTree};
[INFO] [stdout]     |         ^^^^^^^^^ use of unresolved module or unlinked crate `rs_merkle`
[INFO] [stdout]     |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 201 -     use rs_merkle::{algorithms::Sha256, Hasher, MerkleTree};
[INFO] [stdout] 201 +     use ex3_merkle::{algorithms::Sha256, Hasher, MerkleTree};
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rs_merkle`
[INFO] [stdout]   --> tests/merkle_tree_test.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     use rs_merkle::{algorithms::Sha256, Error, Hasher, MerkleTree};
[INFO] [stdout]    |         ^^^^^^^^^ use of unresolved module or unlinked crate `rs_merkle`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 70 -     use rs_merkle::{algorithms::Sha256, Error, Hasher, MerkleTree};
[INFO] [stdout] 70 +     use ex3_merkle::{algorithms::Sha256, Error, Hasher, MerkleTree};
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rs_merkle`
[INFO] [stdout]    --> tests/merkle_tree_test.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 201 |     use rs_merkle::{algorithms::Sha256, Hasher, MerkleTree};
[INFO] [stdout]     |         ^^^^^^^^^ use of unresolved module or unlinked crate `rs_merkle`
[INFO] [stdout]     |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 201 -     use rs_merkle::{algorithms::Sha256, Hasher, MerkleTree};
[INFO] [stdout] 201 +     use ex3_merkle::{algorithms::Sha256, Hasher, MerkleTree};
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::common`
[INFO] [stdout]    --> tests/merkle_tree_test.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |     use crate::common;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `rs_merkle` in this scope
[INFO] [stdout]  --> tests/common.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rs_merkle::{
[INFO] [stdout]   |     ^^^^^^^^^ use of unresolved module or unlinked crate `rs_merkle`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 2 - use rs_merkle::{
[INFO] [stdout] 2 + use ex3_merkle::{
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rs_merkle`
[INFO] [stdout]  --> tests/common.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rs_merkle::{
[INFO] [stdout]   |     ^^^^^^^^^ use of unresolved module or unlinked crate `rs_merkle`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 2 - use rs_merkle::{
[INFO] [stdout] 2 + use ex3_merkle::{
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `alloc::borrow::ToOwned`
[INFO] [stdout]  --> src/prelude.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use alloc::borrow::ToOwned;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `alloc::boxed::Box`
[INFO] [stdout]  --> src/prelude.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use alloc::boxed::Box;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TryFrom` and `TryInto`
[INFO] [stdout]   --> src/prelude.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use core::convert::{TryFrom, TryInto};
[INFO] [stdout]    |                         ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::iter::FromIterator`
[INFO] [stdout]   --> src/prelude.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use core::iter::FromIterator;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[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 `ex3-merkle` (test "common") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 `ex3-merkle` (test "merkle_proof_test") due to 8 previous errors; 1 warning emitted
[INFO] [stderr] error: could not compile `ex3-merkle` (test "merkle_tree_test") due to 12 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "fd0f16f08c347a06e126d448b2fdbe952b81f83b5fc20e5fb4b639140b62181c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd0f16f08c347a06e126d448b2fdbe952b81f83b5fc20e5fb4b639140b62181c", kill_on_drop: false }`
[INFO] [stdout] fd0f16f08c347a06e126d448b2fdbe952b81f83b5fc20e5fb4b639140b62181c
