[INFO] cloning repository https://github.com/montelai/ethereum-contract-deployment-block
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/montelai/ethereum-contract-deployment-block" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmontelai%2Fethereum-contract-deployment-block", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmontelai%2Fethereum-contract-deployment-block'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4eb358f89256ec9da8c814740f4f939fefb259e5
[INFO] checking montelai/ethereum-contract-deployment-block against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmontelai%2Fethereum-contract-deployment-block" "/workspace/builds/worker-88/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-88/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/montelai/ethereum-contract-deployment-block on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/montelai/ethereum-contract-deployment-block
[INFO] finished tweaking git repo https://github.com/montelai/ethereum-contract-deployment-block
[INFO] tweaked toml for git repo https://github.com/montelai/ethereum-contract-deployment-block written to /workspace/builds/worker-88/source/Cargo.toml
[INFO] crate git repo https://github.com/montelai/ethereum-contract-deployment-block already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef5380b1abe14063a8e3aa026bcf1954d209cf48e8d177825aa41dc8011479b6
[INFO] running `Command { std: "docker" "start" "-a" "ef5380b1abe14063a8e3aa026bcf1954d209cf48e8d177825aa41dc8011479b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef5380b1abe14063a8e3aa026bcf1954d209cf48e8d177825aa41dc8011479b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef5380b1abe14063a8e3aa026bcf1954d209cf48e8d177825aa41dc8011479b6", kill_on_drop: false }`
[INFO] [stdout] ef5380b1abe14063a8e3aa026bcf1954d209cf48e8d177825aa41dc8011479b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c8a84cb7457d33a3aae0d339e60b9dfac802b26e2a7d746dabde79f5cf6a0a4
[INFO] running `Command { std: "docker" "start" "-a" "7c8a84cb7457d33a3aae0d339e60b9dfac802b26e2a7d746dabde79f5cf6a0a4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking ethereum-contract-deployment-block v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `usageStr`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | /     const usageStr: &str = "Usage:
[INFO] [stdout] 7 | |         eth_contract_block <address> [--start <block number: int>] 
[INFO] [stdout] 8 | |     ";
[INFO] [stdout]   | |______^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `usageStr` should have an upper case name
[INFO] [stdout]  --> src/main.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |     const usageStr: &str = "Usage:
[INFO] [stdout]   |           ^^^^^^^^ help: convert the identifier to upper case: `USAGE_STR`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `usageStr` should have an upper case name
[INFO] [stdout]  --> src/main.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |     const usageStr: &str = "Usage:
[INFO] [stdout]   |           ^^^^^^^^ help: convert the identifier to upper case: `USAGE_STR`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.34s
[INFO] running `Command { std: "docker" "inspect" "7c8a84cb7457d33a3aae0d339e60b9dfac802b26e2a7d746dabde79f5cf6a0a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c8a84cb7457d33a3aae0d339e60b9dfac802b26e2a7d746dabde79f5cf6a0a4", kill_on_drop: false }`
[INFO] [stdout] 7c8a84cb7457d33a3aae0d339e60b9dfac802b26e2a7d746dabde79f5cf6a0a4