[INFO] cloning repository https://github.com/0xPiyush/rust-chain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xPiyush/rust-chain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xPiyush%2Frust-chain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xPiyush%2Frust-chain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5309067fe53e9c30aaa51ba95cc685ff871f0449
[INFO] checking 0xPiyush/rust-chain against master#c797096598b80ba4a40397ad7e91584fcd3df5f1 for pr-146377
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xPiyush%2Frust-chain" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/0xPiyush/rust-chain
[INFO] finished tweaking git repo https://github.com/0xPiyush/rust-chain
[INFO] tweaked toml for git repo https://github.com/0xPiyush/rust-chain written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0xPiyush/rust-chain on toolchain c797096598b80ba4a40397ad7e91584fcd3df5f1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c797096598b80ba4a40397ad7e91584fcd3df5f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0xPiyush/rust-chain 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" "+c797096598b80ba4a40397ad7e91584fcd3df5f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crypto-hash v0.3.4
[INFO] [stderr]   Downloaded openssl-sys v0.9.72
[INFO] [stderr]   Downloaded commoncrypto-sys v0.2.0
[INFO] [stderr]   Downloaded commoncrypto v0.2.0
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c797096598b80ba4a40397ad7e91584fcd3df5f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a73f2b02e6b22585d38cfddc7e2dd6e929151b05f7cb05893ac8335a316c3d0e
[INFO] running `Command { std: "docker" "start" "-a" "a73f2b02e6b22585d38cfddc7e2dd6e929151b05f7cb05893ac8335a316c3d0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a73f2b02e6b22585d38cfddc7e2dd6e929151b05f7cb05893ac8335a316c3d0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a73f2b02e6b22585d38cfddc7e2dd6e929151b05f7cb05893ac8335a316c3d0e", kill_on_drop: false }`
[INFO] [stdout] a73f2b02e6b22585d38cfddc7e2dd6e929151b05f7cb05893ac8335a316c3d0e
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c797096598b80ba4a40397ad7e91584fcd3df5f1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd13e60d771c72c31ec228d7356438303cf2b7b9773f944f6385893eae0d194d
[INFO] running `Command { std: "docker" "start" "-a" "fd13e60d771c72c31ec228d7356438303cf2b7b9773f944f6385893eae0d194d", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]     Checking rust-chain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias `Address` is never used
[INFO] [stdout]  --> src/lib.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | type Address = String;
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Address` is never used
[INFO] [stdout]  --> src/lib.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | type Address = String;
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.89s
[INFO] running `Command { std: "docker" "inspect" "fd13e60d771c72c31ec228d7356438303cf2b7b9773f944f6385893eae0d194d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd13e60d771c72c31ec228d7356438303cf2b7b9773f944f6385893eae0d194d", kill_on_drop: false }`
[INFO] [stdout] fd13e60d771c72c31ec228d7356438303cf2b7b9773f944f6385893eae0d194d
