[INFO] cloning repository https://github.com/jstadev/merkle-activity
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jstadev/merkle-activity" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjstadev%2Fmerkle-activity", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjstadev%2Fmerkle-activity'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b9567eadd64f07d3c692a6633b6bf6f4cd209f99
[INFO] testing jstadev/merkle-activity against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjstadev%2Fmerkle-activity" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jstadev/merkle-activity
[INFO] finished tweaking git repo https://github.com/jstadev/merkle-activity
[INFO] tweaked toml for git repo https://github.com/jstadev/merkle-activity written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jstadev/merkle-activity on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jstadev/merkle-activity 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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ea2836535c4d8cba72152080160dc6171de6bf212483b40eeadd7afc83a0ed1
[INFO] running `Command { std: "docker" "start" "-a" "8ea2836535c4d8cba72152080160dc6171de6bf212483b40eeadd7afc83a0ed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ea2836535c4d8cba72152080160dc6171de6bf212483b40eeadd7afc83a0ed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ea2836535c4d8cba72152080160dc6171de6bf212483b40eeadd7afc83a0ed1", kill_on_drop: false }`
[INFO] [stdout] 8ea2836535c4d8cba72152080160dc6171de6bf212483b40eeadd7afc83a0ed1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4763d15b76a57a51121cb64a23600b9af1938325d26d6ac3858809b0efd38514
[INFO] running `Command { std: "docker" "start" "-a" "4763d15b76a57a51121cb64a23600b9af1938325d26d6ac3858809b0efd38514", kill_on_drop: false }`
[INFO] [stderr]    Compiling merkle-activity v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `blocks`
[INFO] [stdout]   --> src/main.rs:27:19
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn pad_base_layer(blocks: &mut Vec<&str>) {
[INFO] [stdout]    |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_blocks`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]   --> src/main.rs:36:28
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn concatenate_hash_values(left: HashValue, right: HashValue) -> HashValue {
[INFO] [stdout]    |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]   --> src/main.rs:36:45
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn concatenate_hash_values(left: HashValue, right: HashValue) -> HashValue {
[INFO] [stdout]    |                                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sentence`
[INFO] [stdout]   --> src/main.rs:48:26
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn calculate_merkle_root(sentence: &str) -> HashValue {
[INFO] [stdout]    |                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sentence`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sentence`
[INFO] [stdout]   --> src/main.rs:70:19
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn generate_proof(sentence: &str, index: usize) -> (HashValue, Vec<SiblingNode>) {
[INFO] [stdout]    |                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sentence`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/main.rs:70:35
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn generate_proof(sentence: &str, index: usize) -> (HashValue, Vec<SiblingNode>) {
[INFO] [stdout]    |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `root`
[INFO] [stdout]   --> src/main.rs:76:19
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn validate_proof(root: &str, word: &str, proof: Vec<SiblingNode>) -> bool {
[INFO] [stdout]    |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_root`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `word`
[INFO] [stdout]   --> src/main.rs:76:31
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn validate_proof(root: &str, word: &str, proof: Vec<SiblingNode>) -> bool {
[INFO] [stdout]    |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_word`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `proof`
[INFO] [stdout]   --> src/main.rs:76:43
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn validate_proof(root: &str, word: &str, proof: Vec<SiblingNode>) -> bool {
[INFO] [stdout]    |                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_proof`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pad_base_layer` is never used
[INFO] [stdout]   --> src/main.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn pad_base_layer(blocks: &mut Vec<&str>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `concatenate_hash_values` is never used
[INFO] [stdout]   --> src/main.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn concatenate_hash_values(left: HashValue, right: HashValue) -> HashValue {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_merkle_root` is never used
[INFO] [stdout]   --> src/main.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn calculate_merkle_root(sentence: &str) -> HashValue {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SiblingNode` is never used
[INFO] [stdout]   --> src/main.rs:55:6
[INFO] [stdout]    |
[INFO] [stdout] 55 | enum SiblingNode {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_proof` is never used
[INFO] [stdout]   --> src/main.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn generate_proof(sentence: &str, index: usize) -> (HashValue, Vec<SiblingNode>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `validate_proof` is never used
[INFO] [stdout]   --> src/main.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn validate_proof(root: &str, word: &str, proof: Vec<SiblingNode>) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "4763d15b76a57a51121cb64a23600b9af1938325d26d6ac3858809b0efd38514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4763d15b76a57a51121cb64a23600b9af1938325d26d6ac3858809b0efd38514", kill_on_drop: false }`
[INFO] [stdout] 4763d15b76a57a51121cb64a23600b9af1938325d26d6ac3858809b0efd38514
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b54d2e6ce03af99a1991c5629bd7bfa3002ee48ecb1cc619c98fce8586c34cd3
[INFO] running `Command { std: "docker" "start" "-a" "b54d2e6ce03af99a1991c5629bd7bfa3002ee48ecb1cc619c98fce8586c34cd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling merkle-activity v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `blocks`
[INFO] [stdout]   --> src/main.rs:27:19
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn pad_base_layer(blocks: &mut Vec<&str>) {
[INFO] [stdout]    |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_blocks`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]   --> src/main.rs:36:28
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn concatenate_hash_values(left: HashValue, right: HashValue) -> HashValue {
[INFO] [stdout]    |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]   --> src/main.rs:36:45
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn concatenate_hash_values(left: HashValue, right: HashValue) -> HashValue {
[INFO] [stdout]    |                                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sentence`
[INFO] [stdout]   --> src/main.rs:48:26
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn calculate_merkle_root(sentence: &str) -> HashValue {
[INFO] [stdout]    |                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sentence`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sentence`
[INFO] [stdout]   --> src/main.rs:70:19
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn generate_proof(sentence: &str, index: usize) -> (HashValue, Vec<SiblingNode>) {
[INFO] [stdout]    |                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sentence`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/main.rs:70:35
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn generate_proof(sentence: &str, index: usize) -> (HashValue, Vec<SiblingNode>) {
[INFO] [stdout]    |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `root`
[INFO] [stdout]   --> src/main.rs:76:19
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn validate_proof(root: &str, word: &str, proof: Vec<SiblingNode>) -> bool {
[INFO] [stdout]    |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_root`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `word`
[INFO] [stdout]   --> src/main.rs:76:31
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn validate_proof(root: &str, word: &str, proof: Vec<SiblingNode>) -> bool {
[INFO] [stdout]    |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_word`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `proof`
[INFO] [stdout]   --> src/main.rs:76:43
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn validate_proof(root: &str, word: &str, proof: Vec<SiblingNode>) -> bool {
[INFO] [stdout]    |                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_proof`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pad_base_layer` is never used
[INFO] [stdout]   --> src/main.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn pad_base_layer(blocks: &mut Vec<&str>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `concatenate_hash_values` is never used
[INFO] [stdout]   --> src/main.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn concatenate_hash_values(left: HashValue, right: HashValue) -> HashValue {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_merkle_root` is never used
[INFO] [stdout]   --> src/main.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn calculate_merkle_root(sentence: &str) -> HashValue {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SiblingNode` is never used
[INFO] [stdout]   --> src/main.rs:55:6
[INFO] [stdout]    |
[INFO] [stdout] 55 | enum SiblingNode {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_proof` is never used
[INFO] [stdout]   --> src/main.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn generate_proof(sentence: &str, index: usize) -> (HashValue, Vec<SiblingNode>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `validate_proof` is never used
[INFO] [stdout]   --> src/main.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn validate_proof(root: &str, word: &str, proof: Vec<SiblingNode>) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "b54d2e6ce03af99a1991c5629bd7bfa3002ee48ecb1cc619c98fce8586c34cd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b54d2e6ce03af99a1991c5629bd7bfa3002ee48ecb1cc619c98fce8586c34cd3", kill_on_drop: false }`
[INFO] [stdout] b54d2e6ce03af99a1991c5629bd7bfa3002ee48ecb1cc619c98fce8586c34cd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 71b301534045a91fbda79c3951bfb7b5a675ab27de52b787e52f82a928ab18db
[INFO] running `Command { std: "docker" "start" "-a" "71b301534045a91fbda79c3951bfb7b5a675ab27de52b787e52f82a928ab18db", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `blocks`
[INFO] [stderr]   --> src/main.rs:27:19
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn pad_base_layer(blocks: &mut Vec<&str>) {
[INFO] [stderr]    |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_blocks`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `left`
[INFO] [stderr]   --> src/main.rs:36:28
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn concatenate_hash_values(left: HashValue, right: HashValue) -> HashValue {
[INFO] [stderr]    |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `right`
[INFO] [stderr]   --> src/main.rs:36:45
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn concatenate_hash_values(left: HashValue, right: HashValue) -> HashValue {
[INFO] [stderr]    |                                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sentence`
[INFO] [stderr]   --> src/main.rs:48:26
[INFO] [stderr]    |
[INFO] [stderr] 48 | fn calculate_merkle_root(sentence: &str) -> HashValue {
[INFO] [stderr]    |                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sentence`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sentence`
[INFO] [stderr]   --> src/main.rs:70:19
[INFO] [stderr]    |
[INFO] [stderr] 70 | fn generate_proof(sentence: &str, index: usize) -> (HashValue, Vec<SiblingNode>) {
[INFO] [stderr]    |                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sentence`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/main.rs:70:35
[INFO] [stderr]    |
[INFO] [stderr] 70 | fn generate_proof(sentence: &str, index: usize) -> (HashValue, Vec<SiblingNode>) {
[INFO] [stderr]    |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `root`
[INFO] [stderr]   --> src/main.rs:76:19
[INFO] [stderr]    |
[INFO] [stderr] 76 | fn validate_proof(root: &str, word: &str, proof: Vec<SiblingNode>) -> bool {
[INFO] [stderr]    |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_root`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `word`
[INFO] [stderr]   --> src/main.rs:76:31
[INFO] [stderr]    |
[INFO] [stderr] 76 | fn validate_proof(root: &str, word: &str, proof: Vec<SiblingNode>) -> bool {
[INFO] [stderr]    |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_word`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `proof`
[INFO] [stderr]   --> src/main.rs:76:43
[INFO] [stderr]    |
[INFO] [stderr] 76 | fn validate_proof(root: &str, word: &str, proof: Vec<SiblingNode>) -> bool {
[INFO] [stderr]    |                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_proof`
[INFO] [stderr] 
[INFO] [stderr] warning: function `pad_base_layer` is never used
[INFO] [stderr]   --> src/main.rs:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn pad_base_layer(blocks: &mut Vec<&str>) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `concatenate_hash_values` is never used
[INFO] [stderr]   --> src/main.rs:36:4
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn concatenate_hash_values(left: HashValue, right: HashValue) -> HashValue {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `calculate_merkle_root` is never used
[INFO] [stderr]   --> src/main.rs:48:4
[INFO] [stderr]    |
[INFO] [stderr] 48 | fn calculate_merkle_root(sentence: &str) -> HashValue {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `SiblingNode` is never used
[INFO] [stderr]   --> src/main.rs:55:6
[INFO] [stderr]    |
[INFO] [stderr] 55 | enum SiblingNode {
[INFO] [stderr]    |      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `generate_proof` is never used
[INFO] [stderr]   --> src/main.rs:70:4
[INFO] [stderr]    |
[INFO] [stderr] 70 | fn generate_proof(sentence: &str, index: usize) -> (HashValue, Vec<SiblingNode>) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `validate_proof` is never used
[INFO] [stderr]   --> src/main.rs:76:4
[INFO] [stderr]    |
[INFO] [stderr] 76 | fn validate_proof(root: &str, word: &str, proof: Vec<SiblingNode>) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `merkle-activity` (bin "merkle-activity" test) generated 15 warnings (run `cargo fix --bin "merkle-activity" -p merkle-activity --tests` to apply 9 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/merkle_activity-fc6089c8f2f88cea)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test we_should_probably_have_some_tests ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- we_should_probably_have_some_tests stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'we_should_probably_have_some_tests' (17) panicked at src/main.rs:82:5:
[INFO] [stdout] not yet implemented
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x625f3f3cab2a - std[ec419fa8110287d5]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x625f3f3cab2a - std[ec419fa8110287d5]::backtrace_rs::backtrace::trace_unsynchronized::<std[ec419fa8110287d5]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x625f3f3cab2a - std[ec419fa8110287d5]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x625f3f3cab2a - <<std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[35159d6ffb30e017]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x625f3f3de91a - <core[35159d6ffb30e017]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x625f3f3de91a - core[35159d6ffb30e017]::fmt::write
[INFO] [stdout]    6:     0x625f3f3cf362 - std[ec419fa8110287d5]::io::default_write_fmt::<alloc[a8a7aba520129d98]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x625f3f3cf362 - <alloc[a8a7aba520129d98]::vec::Vec<u8> as std[ec419fa8110287d5]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x625f3f3a9b2f - <std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x625f3f3a9b2f - std[ec419fa8110287d5]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x625f3f3c2fd9 - std[ec419fa8110287d5]::panicking::default_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x625f3f35f7ec - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x625f3f35f7ec - test[a8007afcd3effadc]::test_main_inner::<test[a8007afcd3effadc]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x625f3f3c3192 - <alloc[a8a7aba520129d98]::boxed::Box<dyn for<'a, 'b> core[35159d6ffb30e017]::ops::function::Fn<(&'a std[ec419fa8110287d5]::panic::PanicHookInfo<'b>,), Output = ()> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::Fn<(&std[ec419fa8110287d5]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x625f3f3c3192 - std[ec419fa8110287d5]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x625f3f3a9c1a - std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x625f3f3a1589 - std[ec419fa8110287d5]::sys::backtrace::__rust_end_short_backtrace::<std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x625f3f3aa8fd - __rustc[cfb3622dd870db93]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x625f3f3df00c - core[35159d6ffb30e017]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x625f3f3defd2 - core[35159d6ffb30e017]::panicking::panic
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x625f3f35226a - merkle_activity[9017c61462fe30ff]::we_should_probably_have_some_tests
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:82:2
[INFO] [stdout]   21:     0x625f3f3521e7 - merkle_activity[9017c61462fe30ff]::we_should_probably_have_some_tests::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:81:40
[INFO] [stdout]   22:     0x625f3f3529f6 - <merkle_activity[9017c61462fe30ff]::we_should_probably_have_some_tests::{closure#0} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x625f3f352acb - <fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x625f3f352acb - test[a8007afcd3effadc]::__rust_begin_short_backtrace::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, fn() -> core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:724:18
[INFO] [stdout]   25:     0x625f3f3602bb - test[a8007afcd3effadc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:74
[INFO] [stdout]   26:     0x625f3f3602bb - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   27:     0x625f3f3602bb - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x625f3f3602bb - std[ec419fa8110287d5]::panicking::catch_unwind::<core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>, core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x625f3f3602bb - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<test[a8007afcd3effadc]::run_test_in_process::{closure#0}>, core[35159d6ffb30e017]::result::Result<(), alloc[a8a7aba520129d98]::string::String>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x625f3f3602bb - test[a8007afcd3effadc]::run_test_in_process
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:747:27
[INFO] [stdout]   31:     0x625f3f3602bb - test[a8007afcd3effadc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:668:43
[INFO] [stdout]   32:     0x625f3f35ac94 - test[a8007afcd3effadc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/test/src/lib.rs:698:41
[INFO] [stdout]   33:     0x625f3f35ac94 - std[ec419fa8110287d5]::sys::backtrace::__rust_begin_short_backtrace::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   34:     0x625f3f362ec2 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   35:     0x625f3f362ec2 - <core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   36:     0x625f3f362ec2 - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stdout]   37:     0x625f3f362ec2 - std[ec419fa8110287d5]::panicking::catch_unwind::<(), core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x625f3f362ec2 - std[ec419fa8110287d5]::panic::catch_unwind::<core[35159d6ffb30e017]::panic::unwind_safe::AssertUnwindSafe<std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x625f3f362ec2 - std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked::<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   40:     0x625f3f362ec2 - <std[ec419fa8110287d5]::thread::lifecycle::spawn_unchecked<test[a8007afcd3effadc]::run_test::{closure#1}, ()>::{closure#1} as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x625f3f3ca43f - <alloc[a8a7aba520129d98]::boxed::Box<dyn core[35159d6ffb30e017]::ops::function::FnOnce<(), Output = ()> + core[35159d6ffb30e017]::marker::Send> as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   42:     0x625f3f3ca43f - <std[ec419fa8110287d5]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   43:     0x7698952beaa4 - <unknown>
[INFO] [stdout]   44:     0x76989534ba64 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     we_should_probably_have_some_tests
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin merkle-activity`
[INFO] running `Command { std: "docker" "inspect" "71b301534045a91fbda79c3951bfb7b5a675ab27de52b787e52f82a928ab18db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71b301534045a91fbda79c3951bfb7b5a675ab27de52b787e52f82a928ab18db", kill_on_drop: false }`
[INFO] [stdout] 71b301534045a91fbda79c3951bfb7b5a675ab27de52b787e52f82a928ab18db
