[INFO] cloning repository https://github.com/muratamuu/rustcoin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/muratamuu/rustcoin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuratamuu%2Frustcoin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuratamuu%2Frustcoin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 19fb0ddbb54884dc836d6bb4e0d2f7f5126822b7
[INFO] checking muratamuu/rustcoin against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuratamuu%2Frustcoin" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/muratamuu/rustcoin on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/muratamuu/rustcoin
[INFO] finished tweaking git repo https://github.com/muratamuu/rustcoin
[INFO] tweaked toml for git repo https://github.com/muratamuu/rustcoin written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/muratamuu/rustcoin already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed925abeec18bd17ae274eba5f61f560d63c5e7da093585787e5a65b24deb97a
[INFO] running `Command { std: "docker" "start" "-a" "ed925abeec18bd17ae274eba5f61f560d63c5e7da093585787e5a65b24deb97a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed925abeec18bd17ae274eba5f61f560d63c5e7da093585787e5a65b24deb97a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed925abeec18bd17ae274eba5f61f560d63c5e7da093585787e5a65b24deb97a", kill_on_drop: false }`
[INFO] [stdout] ed925abeec18bd17ae274eba5f61f560d63c5e7da093585787e5a65b24deb97a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b5714e792cf09867967734bc3e967595053cb7a0d6d402fbfcf5aafe510ed82
[INFO] running `Command { std: "docker" "start" "-a" "3b5714e792cf09867967734bc3e967595053cb7a0d6d402fbfcf5aafe510ed82", kill_on_drop: false }`
[INFO] [stderr]     Checking rustcoin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/ecc.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn new(num: i32, prime: i32) -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pow`
[INFO] [stdout]   --> src/ecc.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn pow(&self, exponent: i32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "3b5714e792cf09867967734bc3e967595053cb7a0d6d402fbfcf5aafe510ed82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b5714e792cf09867967734bc3e967595053cb7a0d6d402fbfcf5aafe510ed82", kill_on_drop: false }`
[INFO] [stdout] 3b5714e792cf09867967734bc3e967595053cb7a0d6d402fbfcf5aafe510ed82