[INFO] cloning repository https://github.com/jamesWalker55/merkle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jamesWalker55/merkle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjamesWalker55%2Fmerkle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjamesWalker55%2Fmerkle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 86902e19271fabd5f99696ab6de671effece6ae8
[INFO] testing jamesWalker55/merkle against master#9e136a30a965bf4e63f03095c57df7257bf96fd6 for pr-134530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjamesWalker55%2Fmerkle" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jamesWalker55/merkle on toolchain 9e136a30a965bf4e63f03095c57df7257bf96fd6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jamesWalker55/merkle
[INFO] finished tweaking git repo https://github.com/jamesWalker55/merkle
[INFO] tweaked toml for git repo https://github.com/jamesWalker55/merkle written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jamesWalker55/merkle 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" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "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-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24f39d42719fd77c98aaf8eeefc2f71d5d3aff32e5e044fab0b4e0146a51bec5
[INFO] running `Command { std: "docker" "start" "-a" "24f39d42719fd77c98aaf8eeefc2f71d5d3aff32e5e044fab0b4e0146a51bec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24f39d42719fd77c98aaf8eeefc2f71d5d3aff32e5e044fab0b4e0146a51bec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24f39d42719fd77c98aaf8eeefc2f71d5d3aff32e5e044fab0b4e0146a51bec5", kill_on_drop: false }`
[INFO] [stdout] 24f39d42719fd77c98aaf8eeefc2f71d5d3aff32e5e044fab0b4e0146a51bec5
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c44407eb205401b2d9c92ff07c5249b7fd374b48361f0a3be077ff89d5f2449
[INFO] running `Command { std: "docker" "start" "-a" "6c44407eb205401b2d9c92ff07c5249b7fd374b48361f0a3be077ff89d5f2449", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling cpufeatures v0.2.14
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling generic-array v0.14.7
[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 v0.10.8
[INFO] [stderr]    Compiling assignment-crypto-com v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated items `verify`, `verify_proof`, and `prove` are never used
[INFO] [stdout]   --> src/tree.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub trait Tree {
[INFO] [stdout]    |           ---- associated items in this trait
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn verify(input: &[Data], root_hash: &Hash) -> bool;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     fn verify_proof(data: &Data, proof: &Proof, root_hash: &Hash) -> bool;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn prove(&self, data: &Data) -> Option<Proof>;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.12s
[INFO] running `Command { std: "docker" "inspect" "6c44407eb205401b2d9c92ff07c5249b7fd374b48361f0a3be077ff89d5f2449", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c44407eb205401b2d9c92ff07c5249b7fd374b48361f0a3be077ff89d5f2449", kill_on_drop: false }`
[INFO] [stdout] 6c44407eb205401b2d9c92ff07c5249b7fd374b48361f0a3be077ff89d5f2449
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8f4cb6e191cae94896adc186b9647ae77a6d414affbd567a3e4e18374c41d26
[INFO] running `Command { std: "docker" "start" "-a" "e8f4cb6e191cae94896adc186b9647ae77a6d414affbd567a3e4e18374c41d26", kill_on_drop: false }`
[INFO] [stderr]    Compiling assignment-crypto-com v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated items `verify`, `verify_proof`, and `prove` are never used
[INFO] [stdout]   --> src/tree.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub trait Tree {
[INFO] [stdout]    |           ---- associated items in this trait
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn verify(input: &[Data], root_hash: &Hash) -> bool;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     fn verify_proof(data: &Data, proof: &Proof, root_hash: &Hash) -> bool;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn prove(&self, data: &Data) -> Option<Proof>;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h7`
[INFO] [stdout]    --> src/lib.rs:213:13
[INFO] [stdout]     |
[INFO] [stdout] 213 |         let h7 = hash_concat(&h5, &h6);
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_h7`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h15`
[INFO] [stdout]    --> src/lib.rs:266:13
[INFO] [stdout]     |
[INFO] [stdout] 266 |         let h15 = hash_concat(&h13, &h14);
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_h15`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "e8f4cb6e191cae94896adc186b9647ae77a6d414affbd567a3e4e18374c41d26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8f4cb6e191cae94896adc186b9647ae77a6d414affbd567a3e4e18374c41d26", kill_on_drop: false }`
[INFO] [stdout] e8f4cb6e191cae94896adc186b9647ae77a6d414affbd567a3e4e18374c41d26
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 689ada4c6886dfc4ae3e58347840d348fc2538001555237599cd35404ca2cae6
[INFO] running `Command { std: "docker" "start" "-a" "689ada4c6886dfc4ae3e58347840d348fc2538001555237599cd35404ca2cae6", kill_on_drop: false }`
[INFO] [stderr] warning: associated items `verify`, `verify_proof`, and `prove` are never used
[INFO] [stderr]   --> src/tree.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub trait Tree {
[INFO] [stderr]    |           ---- associated items in this trait
[INFO] [stderr] ...
[INFO] [stderr] 28 |     fn verify(input: &[Data], root_hash: &Hash) -> bool;
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 31 |     fn verify_proof(data: &Data, proof: &Proof, root_hash: &Hash) -> bool;
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 34 |     fn prove(&self, data: &Data) -> Option<Proof>;
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h7`
[INFO] [stderr]    --> src/lib.rs:213:13
[INFO] [stderr]     |
[INFO] [stderr] 213 |         let h7 = hash_concat(&h5, &h6);
[INFO] [stderr]     |             ^^ help: if this is intentional, prefix it with an underscore: `_h7`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h15`
[INFO] [stderr]    --> src/lib.rs:266:13
[INFO] [stderr]     |
[INFO] [stderr] 266 |         let h15 = hash_concat(&h13, &h14);
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_h15`
[INFO] [stderr] 
[INFO] [stderr] warning: `assignment-crypto-com` (lib) generated 1 warning
[INFO] [stderr] warning: `assignment-crypto-com` (lib test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/assignment_crypto_com-9797fb5e67ce7d31)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_exercise_2_fourleaf ... ok
[INFO] [stdout] test tests::test_constructions ... ok
[INFO] [stderr]    Doc-tests assignment_crypto_com
[INFO] [stdout] test tests::test_exercise_3_eightleaf ... ok
[INFO] [stdout] test tests::test_exercise_2_eightleaf ... ok
[INFO] [stdout] test tests::test_exercise_3_fourleaf ... ok
[INFO] [stdout] test tests::test_verify ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "689ada4c6886dfc4ae3e58347840d348fc2538001555237599cd35404ca2cae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "689ada4c6886dfc4ae3e58347840d348fc2538001555237599cd35404ca2cae6", kill_on_drop: false }`
[INFO] [stdout] 689ada4c6886dfc4ae3e58347840d348fc2538001555237599cd35404ca2cae6