[INFO] cloning repository https://github.com/ArkashJ/merkle_tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ArkashJ/merkle_tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArkashJ%2Fmerkle_tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArkashJ%2Fmerkle_tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2327dbd537a15845b2ebc320e9987513a7389d1
[INFO] building ArkashJ/merkle_tree against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArkashJ%2Fmerkle_tree" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ArkashJ/merkle_tree on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ArkashJ/merkle_tree
[INFO] finished tweaking git repo https://github.com/ArkashJ/merkle_tree
[INFO] tweaked toml for git repo https://github.com/ArkashJ/merkle_tree written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ArkashJ/merkle_tree 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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ryu v1.0.14
[INFO] [stderr]   Downloaded itoa v1.0.8
[INFO] [stderr]   Downloaded serde v1.0.171
[INFO] [stderr]   Downloaded unicode-ident v1.0.10
[INFO] [stderr]   Downloaded syn v2.0.25
[INFO] [stderr]   Downloaded quote v1.0.29
[INFO] [stderr]   Downloaded proc-macro2 v1.0.64
[INFO] [stderr]   Downloaded serde_json v1.0.100
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9288e22e421bc574f85400cb3f90482a09ecce0fd19d111e7518fa55f3f9d01
[INFO] running `Command { std: "docker" "start" "-a" "a9288e22e421bc574f85400cb3f90482a09ecce0fd19d111e7518fa55f3f9d01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9288e22e421bc574f85400cb3f90482a09ecce0fd19d111e7518fa55f3f9d01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9288e22e421bc574f85400cb3f90482a09ecce0fd19d111e7518fa55f3f9d01", kill_on_drop: false }`
[INFO] [stdout] a9288e22e421bc574f85400cb3f90482a09ecce0fd19d111e7518fa55f3f9d01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c9f57b4ccfe881dd13a5924df58e43927aadb47bff84a41027f4266475ef7b6
[INFO] running `Command { std: "docker" "start" "-a" "1c9f57b4ccfe881dd13a5924df58e43927aadb47bff84a41027f4266475ef7b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling serde v1.0.171
[INFO] [stderr]    Compiling serde_json v1.0.100
[INFO] [stderr]    Compiling pin-project-lite v0.2.10
[INFO] [stderr]    Compiling itoa v1.0.8
[INFO] [stderr]    Compiling cpufeatures v0.2.9
[INFO] [stderr]    Compiling ryu v1.0.14
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling syn v2.0.25
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.7
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling merkle_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/merkle/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MerkleTree`
[INFO] [stdout]  --> src/merkle/mod.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use merkle::{MerkleTree};
[INFO] [stdout]   |              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Value` and `json`
[INFO] [stdout]  --> src/merkle/mod.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde_json::{json, Value};
[INFO] [stdout]   |                  ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/merkle/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MerkleTree`
[INFO] [stdout]  --> src/merkle/mod.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use merkle::{MerkleTree};
[INFO] [stdout]   |              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Value` and `json`
[INFO] [stdout]  --> src/merkle/mod.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde_json::{json, Value};
[INFO] [stdout]   |                  ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Map`
[INFO] [stdout]  --> src/main.rs:3:31
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_json::{json, Value, Map};
[INFO] [stdout]   |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MerkleTree` is never constructed
[INFO] [stdout]   --> src/merkle/merkle.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct MerkleTree {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MerkleTree` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/merkle/merkle.rs:18:12
[INFO] [stdout]     |
[INFO] [stdout] 17  | impl MerkleTree {
[INFO] [stdout]     | --------------- associated items in this implementation
[INFO] [stdout] 18  |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 25  |     pub fn make_hash(records: &HashMap<String, Value>) -> String {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44  |     fn value_to_str(value: &Value) -> String{
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61  |     fn make_hash_str(data: &str) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69  |     pub fn get_size(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73  |     pub fn add(&mut self, records: Vec<HashMap<String, Value>>) -> bool {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |     pub fn verify(&self, record: &HashMap<String, Value>) -> bool {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 115 |     pub fn verify_root(&self, root: String) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |     pub fn get_root(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub fn print_tree(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.35s
[INFO] running `Command { std: "docker" "inspect" "1c9f57b4ccfe881dd13a5924df58e43927aadb47bff84a41027f4266475ef7b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c9f57b4ccfe881dd13a5924df58e43927aadb47bff84a41027f4266475ef7b6", kill_on_drop: false }`
[INFO] [stdout] 1c9f57b4ccfe881dd13a5924df58e43927aadb47bff84a41027f4266475ef7b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 403620e655328df19d6595a08f31081767f8179f5479558790294a858c07a314
[INFO] running `Command { std: "docker" "start" "-a" "403620e655328df19d6595a08f31081767f8179f5479558790294a858c07a314", kill_on_drop: false }`
[INFO] [stderr]    Compiling merkle_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/merkle/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MerkleTree`
[INFO] [stdout]  --> src/merkle/mod.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use merkle::{MerkleTree};
[INFO] [stdout]   |              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Value` and `json`
[INFO] [stdout]  --> src/merkle/mod.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde_json::{json, Value};
[INFO] [stdout]   |                  ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Map`
[INFO] [stdout]  --> src/main.rs:3:31
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_json::{json, Value, Map};
[INFO] [stdout]   |                               ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `verify`, `verify_root`, and `print_tree` are never used
[INFO] [stdout]    --> src/merkle/merkle.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 17  | impl MerkleTree {
[INFO] [stdout]     | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 110 |     pub fn verify(&self, record: &HashMap<String, Value>) -> bool {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 115 |     pub fn verify_root(&self, root: String) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub fn print_tree(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "403620e655328df19d6595a08f31081767f8179f5479558790294a858c07a314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "403620e655328df19d6595a08f31081767f8179f5479558790294a858c07a314", kill_on_drop: false }`
[INFO] [stdout] 403620e655328df19d6595a08f31081767f8179f5479558790294a858c07a314
