[INFO] cloning repository https://github.com/rohitpanicker06/CryptoGraphy_SmartContracts_MerkleTrees
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rohitpanicker06/CryptoGraphy_SmartContracts_MerkleTrees" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frohitpanicker06%2FCryptoGraphy_SmartContracts_MerkleTrees", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frohitpanicker06%2FCryptoGraphy_SmartContracts_MerkleTrees'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ab8eb206a020bfcae35629601bc7cd74d8e0f128
[INFO] checking rohitpanicker06/CryptoGraphy_SmartContracts_MerkleTrees against try#7d2afcda7a9c043d5175cbca3ab08f0acf02b13a for pr-140824
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frohitpanicker06%2FCryptoGraphy_SmartContracts_MerkleTrees" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rohitpanicker06/CryptoGraphy_SmartContracts_MerkleTrees on toolchain 7d2afcda7a9c043d5175cbca3ab08f0acf02b13a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rohitpanicker06/CryptoGraphy_SmartContracts_MerkleTrees
[INFO] finished tweaking git repo https://github.com/rohitpanicker06/CryptoGraphy_SmartContracts_MerkleTrees
[INFO] tweaked toml for git repo https://github.com/rohitpanicker06/CryptoGraphy_SmartContracts_MerkleTrees written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rohitpanicker06/CryptoGraphy_SmartContracts_MerkleTrees 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" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7053cec4cb331d2d0dff599f4739f1ceb6d87aba5140c858515801c3f44ca138
[INFO] running `Command { std: "docker" "start" "-a" "7053cec4cb331d2d0dff599f4739f1ceb6d87aba5140c858515801c3f44ca138", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7053cec4cb331d2d0dff599f4739f1ceb6d87aba5140c858515801c3f44ca138", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7053cec4cb331d2d0dff599f4739f1ceb6d87aba5140c858515801c3f44ca138", kill_on_drop: false }`
[INFO] [stdout] 7053cec4cb331d2d0dff599f4739f1ceb6d87aba5140c858515801c3f44ca138
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa5976124b377d6d767116771ae272ec7e200ce0b1743f088879aa3f295fe38e
[INFO] running `Command { std: "docker" "start" "-a" "aa5976124b377d6d767116771ae272ec7e200ce0b1743f088879aa3f295fe38e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking anstream v0.6.11
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking clap_builder v4.4.18
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking unsafe-libyaml v0.2.10
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]     Checking clap v4.4.18
[INFO] [stderr]     Checking serde_yaml v0.9.30
[INFO] [stderr]     Checking Cryptography_Assignment_2_MerkleTrees v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]   --> src/prover.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     for level in 0..height {
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]   --> src/prover.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     for level in 0..height {
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.45s
[INFO] running `Command { std: "docker" "inspect" "aa5976124b377d6d767116771ae272ec7e200ce0b1743f088879aa3f295fe38e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa5976124b377d6d767116771ae272ec7e200ce0b1743f088879aa3f295fe38e", kill_on_drop: false }`
[INFO] [stdout] aa5976124b377d6d767116771ae272ec7e200ce0b1743f088879aa3f295fe38e