[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#42f4793e5a514858221b07ac379029d90353913e for pr-148952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xPiyush%2Frust-chain" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-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-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0xPiyush/rust-chain on toolchain 42f4793e5a514858221b07ac379029d90353913e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "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" "+42f4793e5a514858221b07ac379029d90353913e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded commoncrypto-sys v0.2.0
[INFO] [stderr]   Downloaded hex v0.3.2
[INFO] [stderr]   Downloaded pkg-config v0.3.24
[INFO] [stderr]   Downloaded crypto-hash v0.3.4
[INFO] [stderr]   Downloaded commoncrypto v0.2.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.72
[INFO] [stderr]   Downloaded openssl v0.10.38
[INFO] [stderr]   Downloaded libc v0.2.112
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce1fadc81d5f08f7d18e2b4ed55f57c4cc1d49cca66ca8c759dfe2e174d09c1d
[INFO] running `Command { std: "docker" "start" "-a" "ce1fadc81d5f08f7d18e2b4ed55f57c4cc1d49cca66ca8c759dfe2e174d09c1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce1fadc81d5f08f7d18e2b4ed55f57c4cc1d49cca66ca8c759dfe2e174d09c1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce1fadc81d5f08f7d18e2b4ed55f57c4cc1d49cca66ca8c759dfe2e174d09c1d", kill_on_drop: false }`
[INFO] [stdout] ce1fadc81d5f08f7d18e2b4ed55f57c4cc1d49cca66ca8c759dfe2e174d09c1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2df4ea60db2b6e997a69233ceb7a572ff31b07a9c53f9156a3a77c7a200fabbd
[INFO] running `Command { std: "docker" "start" "-a" "2df4ea60db2b6e997a69233ceb7a572ff31b07a9c53f9156a3a77c7a200fabbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[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 2.53s
[INFO] running `Command { std: "docker" "inspect" "2df4ea60db2b6e997a69233ceb7a572ff31b07a9c53f9156a3a77c7a200fabbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2df4ea60db2b6e997a69233ceb7a572ff31b07a9c53f9156a3a77c7a200fabbd", kill_on_drop: false }`
[INFO] [stdout] 2df4ea60db2b6e997a69233ceb7a572ff31b07a9c53f9156a3a77c7a200fabbd
