[INFO] fetching crate ex3-merkle 0.15.0...
[INFO] checking ex3-merkle-0.15.0 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] extracting crate ex3-merkle 0.15.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate ex3-merkle 0.15.0 on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6bb6861e806720804e900a562b69a52c663e7dc79f837c0bf0d3c75555c80eb
[INFO] running `Command { std: "docker" "start" "-a" "a6bb6861e806720804e900a562b69a52c663e7dc79f837c0bf0d3c75555c80eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6bb6861e806720804e900a562b69a52c663e7dc79f837c0bf0d3c75555c80eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6bb6861e806720804e900a562b69a52c663e7dc79f837c0bf0d3c75555c80eb", kill_on_drop: false }`
[INFO] [stdout] a6bb6861e806720804e900a562b69a52c663e7dc79f837c0bf0d3c75555c80eb
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bf765936132df1323c661595fca79d813ea4a173c7c751b1b0906ffbc378910
[INFO] running `Command { std: "docker" "start" "-a" "8bf765936132df1323c661595fca79d813ea4a173c7c751b1b0906ffbc378910", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking rayon v1.8.1
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rs_merkle`
[INFO] [stdout]  --> tests/common.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rs_merkle::{
[INFO] [stdout]   |     ^^^^^^^^^ use of undeclared crate or module `rs_merkle`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ex3_merkle::{
[INFO] [stdout]   |     ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rs_merkle`
[INFO] [stdout]  --> tests/common.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rs_merkle::{
[INFO] [stdout]   |     ^^^^^^^^^ use of undeclared crate or module `rs_merkle`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ex3_merkle::{
[INFO] [stdout]   |     ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rs_merkle`
[INFO] [stdout]  --> tests/common.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rs_merkle::{
[INFO] [stdout]   |     ^^^^^^^^^ use of undeclared crate or module `rs_merkle`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ex3_merkle::{
[INFO] [stdout]   |     ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rs_merkle`
[INFO] [stdout]  --> tests/merkle_tree_test.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use rs_merkle::{
[INFO] [stdout]   |         ^^^^^^^^^ use of undeclared crate or module `rs_merkle`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use ex3_merkle::{
[INFO] [stdout]   |         ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `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 undeclared crate or module `rs_merkle`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[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 undeclared crate or module `rs_merkle`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[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 undeclared crate or module `rs_merkle`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ex3_merkle::{
[INFO] [stdout]   |     ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `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 undeclared crate or module `rs_merkle`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 33 |     use ex3_merkle::{algorithms::Sha256, MerkleTree};
[INFO] [stdout]    |         ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `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 undeclared crate or module `rs_merkle`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[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_tree_test.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use rs_merkle::{
[INFO] [stdout]   |         ^^^^^^^^^ use of undeclared crate or module `rs_merkle`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use ex3_merkle::{
[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 undeclared crate or module `rs_merkle`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[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 undeclared crate or module `rs_merkle`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ex3_merkle::{
[INFO] [stdout]   |     ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `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 undeclared crate or module `rs_merkle`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 48 |     use ex3_merkle::{algorithms::Sha256, MerkleTree};
[INFO] [stdout]    |         ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `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 undeclared crate or module `rs_merkle`
[INFO] [stdout]     |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]     |
[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 undeclared crate or module `rs_merkle`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[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_tree_test.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     use rs_merkle::{algorithms::Sha256, MerkleTree};
[INFO] [stdout]    |         ^^^^^^^^^ use of undeclared crate or module `rs_merkle`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[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_proof_test.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |     use rs_merkle::{algorithms::Sha256, Error, MerkleProof};
[INFO] [stdout]     |         ^^^^^^^^^ use of undeclared crate or module `rs_merkle`
[INFO] [stdout]     |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 113 |     use ex3_merkle::{algorithms::Sha256, Error, MerkleProof};
[INFO] [stdout]     |         ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `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 undeclared crate or module `rs_merkle`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[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 undeclared crate or module `rs_merkle`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 48 |     use ex3_merkle::{algorithms::Sha256, MerkleTree};
[INFO] [stdout]    |         ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `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 undeclared crate or module `rs_merkle`
[INFO] [stdout]     |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]     |
[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 undeclared crate or module `rs_merkle`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[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 undeclared crate or module `rs_merkle`
[INFO] [stdout]     |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]     |
[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_proof_test.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |     use crate::common;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[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)]` on by default
[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)]` 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`, `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] 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 `ex3-merkle` (test "common") due to 3 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 `ex3-merkle` (test "merkle_proof_test") due to 9 previous errors; 1 warning emitted
[INFO] [stdout] error: aborting due to 12 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 `ex3-merkle` (test "merkle_tree_test") due to 13 previous errors; 1 warning emitted
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8bf765936132df1323c661595fca79d813ea4a173c7c751b1b0906ffbc378910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bf765936132df1323c661595fca79d813ea4a173c7c751b1b0906ffbc378910", kill_on_drop: false }`
[INFO] [stdout] 8bf765936132df1323c661595fca79d813ea4a173c7c751b1b0906ffbc378910
[INFO] checking ex3-merkle-0.15.0 against try#7622c0f807a4e13c4db886a1681bf343795692df+rustflags=-Dnon_local_definitions for pr-120393
[INFO] extracting crate ex3-merkle 0.15.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate ex3-merkle 0.15.0 on toolchain 7622c0f807a4e13c4db886a1681bf343795692df
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "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" "+7622c0f807a4e13c4db886a1681bf343795692df" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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_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" "+7622c0f807a4e13c4db886a1681bf343795692df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7bc9f523cbe70f6c466ea857c0a1bf28fb2e8b9a15dd5e9f982c240cf0837f6
[INFO] running `Command { std: "docker" "start" "-a" "b7bc9f523cbe70f6c466ea857c0a1bf28fb2e8b9a15dd5e9f982c240cf0837f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7bc9f523cbe70f6c466ea857c0a1bf28fb2e8b9a15dd5e9f982c240cf0837f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7bc9f523cbe70f6c466ea857c0a1bf28fb2e8b9a15dd5e9f982c240cf0837f6", kill_on_drop: false }`
[INFO] [stdout] b7bc9f523cbe70f6c466ea857c0a1bf28fb2e8b9a15dd5e9f982c240cf0837f6
[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=forbid -Dnon_local_definitions" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c90ded0644834c6ab66c51edf243977b99ccb90e6bcd384bddfd1e64ab383b3
[INFO] running `Command { std: "docker" "start" "-a" "4c90ded0644834c6ab66c51edf243977b99ccb90e6bcd384bddfd1e64ab383b3", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking rayon v1.8.1
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rs_merkle`
[INFO] [stdout]  --> tests/common.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rs_merkle::{
[INFO] [stdout]   |     ^^^^^^^^^ use of undeclared crate or module `rs_merkle`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ex3_merkle::{
[INFO] [stdout]   |     ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rs_merkle`
[INFO] [stdout]  --> tests/common.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rs_merkle::{
[INFO] [stdout]   |     ^^^^^^^^^ use of undeclared crate or module `rs_merkle`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ex3_merkle::{
[INFO] [stdout]   |     ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rs_merkle`
[INFO] [stdout]  --> tests/merkle_tree_test.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use rs_merkle::{
[INFO] [stdout]   |         ^^^^^^^^^ use of undeclared crate or module `rs_merkle`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use ex3_merkle::{
[INFO] [stdout]   |         ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rs_merkle`
[INFO] [stdout]  --> tests/common.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rs_merkle::{
[INFO] [stdout]   |     ^^^^^^^^^ use of undeclared crate or module `rs_merkle`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[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 undeclared crate or module `rs_merkle`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ex3_merkle::{
[INFO] [stdout]   |     ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `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 undeclared crate or module `rs_merkle`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[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 undeclared crate or module `rs_merkle`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use ex3_merkle::{
[INFO] [stdout]   |         ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `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 undeclared crate or module `rs_merkle`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[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 undeclared crate or module `rs_merkle`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 33 |     use ex3_merkle::{algorithms::Sha256, MerkleTree};
[INFO] [stdout]    |         ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `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 undeclared crate or module `rs_merkle`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 70 |     use ex3_merkle::{algorithms::Sha256, Error, Hasher, MerkleTree};
[INFO] [stdout]    |         ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `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 undeclared crate or module `rs_merkle`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[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/merkle_tree_test.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     use rs_merkle::{algorithms::Sha256, MerkleTree};
[INFO] [stdout]    |         ^^^^^^^^^ use of undeclared crate or module `rs_merkle`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 48 |     use ex3_merkle::{algorithms::Sha256, MerkleTree};
[INFO] [stdout]    |         ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `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 undeclared crate or module `rs_merkle`
[INFO] [stdout]     |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]     |
[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/common.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rs_merkle::{
[INFO] [stdout]   |     ^^^^^^^^^ use of undeclared crate or module `rs_merkle`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ex3_merkle::{
[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 undeclared crate or module `rs_merkle`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[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/common.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rs_merkle::{
[INFO] [stdout]   |     ^^^^^^^^^ use of undeclared crate or module `rs_merkle`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ex3_merkle::{
[INFO] [stdout]   |     ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `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 undeclared crate or module `rs_merkle`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[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_tree_test.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 201 |     use rs_merkle::{algorithms::Sha256, Hasher, MerkleTree};
[INFO] [stdout]     |         ^^^^^^^^^ use of undeclared crate or module `rs_merkle`
[INFO] [stdout]     |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]     |
[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_proof_test.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     use rs_merkle::{algorithms::Sha256, Error, Hasher, MerkleTree};
[INFO] [stdout]   |         ^^^^^^^^^ use of undeclared crate or module `rs_merkle`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 6 |     use ex3_merkle::{algorithms::Sha256, Error, Hasher, MerkleTree};
[INFO] [stdout]   |         ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `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 undeclared crate or module `rs_merkle`
[INFO] [stdout]     |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 113 |     use ex3_merkle::{algorithms::Sha256, Error, MerkleProof};
[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)]` on by default
[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)]` 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`, `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] 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 undeclared crate or module `rs_merkle`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[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 undeclared crate or module `rs_merkle`
[INFO] [stdout]     |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 113 |     use ex3_merkle::{algorithms::Sha256, Error, MerkleProof};
[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)]` 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 `ex3-merkle` (test "common") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 12 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 `ex3-merkle` (test "merkle_tree_test") due to 13 previous errors; 1 warning emitted
[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 `ex3-merkle` (test "merkle_proof_test") due to 9 previous errors; 1 warning emitted
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4c90ded0644834c6ab66c51edf243977b99ccb90e6bcd384bddfd1e64ab383b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c90ded0644834c6ab66c51edf243977b99ccb90e6bcd384bddfd1e64ab383b3", kill_on_drop: false }`
[INFO] [stdout] 4c90ded0644834c6ab66c51edf243977b99ccb90e6bcd384bddfd1e64ab383b3
