[INFO] cloning repository https://github.com/emnul/zkprim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emnul/zkprim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femnul%2Fzkprim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femnul%2Fzkprim'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 591da60eacfbb4bd96a6a585d3cb587e2e07d0dc
[INFO] checking emnul/zkprim against try#3fada14ee01d755dc8076e611f11bf65b28ffd21 for pr-154971
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femnul%2Fzkprim" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/emnul/zkprim
[INFO] finished tweaking git repo https://github.com/emnul/zkprim
[INFO] tweaked toml for git repo https://github.com/emnul/zkprim written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/emnul/zkprim on toolchain 3fada14ee01d755dc8076e611f11bf65b28ffd21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/emnul/zkprim already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded const-hex v1.18.1
[INFO] [stderr]   Downloaded keccak v0.2.0
[INFO] [stderr]   Downloaded proptest v1.11.0
[INFO] [stderr]   Downloaded sha3 v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b54d7a8bb90753b450d205c212713e9e137edc689719f34ea0030bc926971ee
[INFO] running `Command { std: "docker" "start" "-a" "2b54d7a8bb90753b450d205c212713e9e137edc689719f34ea0030bc926971ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b54d7a8bb90753b450d205c212713e9e137edc689719f34ea0030bc926971ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b54d7a8bb90753b450d205c212713e9e137edc689719f34ea0030bc926971ee", kill_on_drop: false }`
[INFO] [stdout] 2b54d7a8bb90753b450d205c212713e9e137edc689719f34ea0030bc926971ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0beffccbb836c3ffd5ac451c07822faa5f0d8766e9f4b37df31ee610c09b2678
[INFO] running `Command { std: "docker" "start" "-a" "0beffccbb836c3ffd5ac451c07822faa5f0d8766e9f4b37df31ee610c09b2678", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]     Checking const-oid v0.10.2
[INFO] [stderr]     Checking keccak v0.2.0
[INFO] [stderr]     Checking const-hex v1.18.1
[INFO] [stderr]    Compiling test-case-core v3.3.1
[INFO] [stderr]    Compiling test-case-macros v3.3.1
[INFO] [stderr]     Checking test-case v3.3.1
[INFO] [stderr]     Checking hybrid-array v0.4.10
[INFO] [stderr]     Checking block-buffer v0.12.0
[INFO] [stderr]     Checking crypto-common v0.2.1
[INFO] [stderr]     Checking digest v0.11.2
[INFO] [stderr]     Checking sha3 v0.11.0
[INFO] [stderr]     Checking zkprim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `hex_literal`
[INFO] [stdout]  --> src/tree.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use hex_literal::hex;
[INFO] [stdout]   |     ^^^^^^^^^^^ use of unresolved module or unlinked crate `hex_literal`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `hex_literal`, use `cargo add hex_literal` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `hex_literal`
[INFO] [stdout]    --> src/tree.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |     use hex_literal::hex;
[INFO] [stdout]     |         ^^^^^^^^^^^ use of unresolved module or unlinked crate `hex_literal`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `hex_literal`, use `cargo add hex_literal` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `hex_literal` in this scope
[INFO] [stdout]    --> src/tree.rs:164:13
[INFO] [stdout]     |
[INFO] [stdout] 164 |             hex_literal::hex!("abababababababababababababababababababababababababababababababab");
[INFO] [stdout]     |             ^^^^^^^^^^^ use of unresolved module or unlinked crate `hex_literal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `leaf_index`
[INFO] [stdout]   --> src/tree.rs:81:27
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn set(&mut self, leaf_index: usize, value: Hash) {
[INFO] [stdout]    |                           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_leaf_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zkprim` (lib) due to 3 previous errors; 5 warnings emitted
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/tree.rs:81:46
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn set(&mut self, leaf_index: usize, value: Hash) {
[INFO] [stdout]    |                                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `leaf_index`
[INFO] [stdout]   --> src/tree.rs:85:25
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn proof(&self, leaf_index: usize) -> MerkleProof {
[INFO] [stdout]    |                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_leaf_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `proof`
[INFO] [stdout]   --> src/tree.rs:89:19
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn verify(proof: &MerkleProof, leaf_value: Hash) -> Hash {
[INFO] [stdout]    |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_proof`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `leaf_value`
[INFO] [stdout]   --> src/tree.rs:89:40
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn verify(proof: &MerkleProof, leaf_value: Hash) -> Hash {
[INFO] [stdout]    |                                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_leaf_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `hex_literal`
[INFO] [stdout]  --> src/tree.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use hex_literal::hex;
[INFO] [stdout]   |     ^^^^^^^^^^^ use of unresolved module or unlinked crate `hex_literal`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `hex_literal`, use `cargo add hex_literal` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `hex_literal`
[INFO] [stdout]    --> src/tree.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |     use hex_literal::hex;
[INFO] [stdout]     |         ^^^^^^^^^^^ use of unresolved module or unlinked crate `hex_literal`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `hex_literal`, use `cargo add hex_literal` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `hex_literal` in this scope
[INFO] [stdout]    --> src/tree.rs:256:13
[INFO] [stdout]     |
[INFO] [stdout] 256 |             hex_literal::hex!("0000000000000000000000000000000000000000000000000000000000000000");
[INFO] [stdout]     |             ^^^^^^^^^^^ use of unresolved module or unlinked crate `hex_literal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `hex_literal` in this scope
[INFO] [stdout]    --> src/tree.rs:230:13
[INFO] [stdout]     |
[INFO] [stdout] 230 |             hex_literal::hex!("0000000000000000000000000000000000000000000000000000000000000000");
[INFO] [stdout]     |             ^^^^^^^^^^^ use of unresolved module or unlinked crate `hex_literal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `hex_literal` in this scope
[INFO] [stdout]    --> src/tree.rs:217:13
[INFO] [stdout]     |
[INFO] [stdout] 217 |             hex_literal::hex!("0000000000000000000000000000000000000000000000000000000000000000");
[INFO] [stdout]     |             ^^^^^^^^^^^ use of unresolved module or unlinked crate `hex_literal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `hex_literal` in this scope
[INFO] [stdout]    --> src/tree.rs:204:13
[INFO] [stdout]     |
[INFO] [stdout] 204 |             hex_literal::hex!("0000000000000000000000000000000000000000000000000000000000000000");
[INFO] [stdout]     |             ^^^^^^^^^^^ use of unresolved module or unlinked crate `hex_literal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `hex_literal` in this scope
[INFO] [stdout]    --> src/tree.rs:184:13
[INFO] [stdout]     |
[INFO] [stdout] 184 |             hex_literal::hex!("0000000000000000000000000000000000000000000000000000000000000000");
[INFO] [stdout]     |             ^^^^^^^^^^^ use of unresolved module or unlinked crate `hex_literal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `hex_literal` in this scope
[INFO] [stdout]    --> src/tree.rs:164:13
[INFO] [stdout]     |
[INFO] [stdout] 164 |             hex_literal::hex!("abababababababababababababababababababababababababababababababab");
[INFO] [stdout]     |             ^^^^^^^^^^^ use of unresolved module or unlinked crate `hex_literal`
[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] warning: unused variable: `leaf_index`
[INFO] [stdout]   --> src/tree.rs:81:27
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn set(&mut self, leaf_index: usize, value: Hash) {
[INFO] [stdout]    |                           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_leaf_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/tree.rs:81:46
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn set(&mut self, leaf_index: usize, value: Hash) {
[INFO] [stdout]    |                                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `leaf_index`
[INFO] [stdout]   --> src/tree.rs:85:25
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn proof(&self, leaf_index: usize) -> MerkleProof {
[INFO] [stdout]    |                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_leaf_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `proof`
[INFO] [stdout]   --> src/tree.rs:89:19
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn verify(proof: &MerkleProof, leaf_value: Hash) -> Hash {
[INFO] [stdout]    |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_proof`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `leaf_value`
[INFO] [stdout]   --> src/tree.rs:89:40
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn verify(proof: &MerkleProof, leaf_value: Hash) -> Hash {
[INFO] [stdout]    |                                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_leaf_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tree.rs:205:13
[INFO] [stdout]     |
[INFO] [stdout] 205 |         let mut tree = MerkleTree::new(2, INITIAL);
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tree.rs:218:13
[INFO] [stdout]     |
[INFO] [stdout] 218 |         let mut tree = MerkleTree::new(2, INITIAL);
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[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 `zkprim` (lib test) due to 8 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "0beffccbb836c3ffd5ac451c07822faa5f0d8766e9f4b37df31ee610c09b2678", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0beffccbb836c3ffd5ac451c07822faa5f0d8766e9f4b37df31ee610c09b2678", kill_on_drop: false }`
[INFO] [stdout] 0beffccbb836c3ffd5ac451c07822faa5f0d8766e9f4b37df31ee610c09b2678
