[INFO] cloning repository https://github.com/JohnBortotti/ecc-proof-of-concept
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JohnBortotti/ecc-proof-of-concept" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnBortotti%2Fecc-proof-of-concept", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnBortotti%2Fecc-proof-of-concept'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 073400c5bdcc3e0177ddd9aa836fbe6e70a8bcf7
[INFO] checking JohnBortotti/ecc-proof-of-concept against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnBortotti%2Fecc-proof-of-concept" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JohnBortotti/ecc-proof-of-concept
[INFO] finished tweaking git repo https://github.com/JohnBortotti/ecc-proof-of-concept
[INFO] tweaked toml for git repo https://github.com/JohnBortotti/ecc-proof-of-concept written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JohnBortotti/ecc-proof-of-concept on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JohnBortotti/ecc-proof-of-concept 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84dd0784af65d5265a3879a6a4eba12280d6437ac4373860a930f7aaf76eb4b2
[INFO] running `Command { std: "docker" "start" "-a" "84dd0784af65d5265a3879a6a4eba12280d6437ac4373860a930f7aaf76eb4b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84dd0784af65d5265a3879a6a4eba12280d6437ac4373860a930f7aaf76eb4b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84dd0784af65d5265a3879a6a4eba12280d6437ac4373860a930f7aaf76eb4b2", kill_on_drop: false }`
[INFO] [stdout] 84dd0784af65d5265a3879a6a4eba12280d6437ac4373860a930f7aaf76eb4b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 048955dc1737ae842be07a3762e5400979aceccfc54fc3de28bd619286b84d62
[INFO] running `Command { std: "docker" "start" "-a" "048955dc1737ae842be07a3762e5400979aceccfc54fc3de28bd619286b84d62", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking num-bigint v0.4.3
[INFO] [stderr]     Checking rust-ecdsa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `b` is never read
[INFO] [stdout]   --> src/curve.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Curve<T: ModField> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 28 |     pub a: ModN<T>,
[INFO] [stdout] 29 |     pub b: ModN<T>,
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `b` is never read
[INFO] [stdout]   --> src/curve.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Curve<T: ModField> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 28 |     pub a: ModN<T>,
[INFO] [stdout] 29 |     pub b: ModN<T>,
[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 3.50s
[INFO] running `Command { std: "docker" "inspect" "048955dc1737ae842be07a3762e5400979aceccfc54fc3de28bd619286b84d62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "048955dc1737ae842be07a3762e5400979aceccfc54fc3de28bd619286b84d62", kill_on_drop: false }`
[INFO] [stdout] 048955dc1737ae842be07a3762e5400979aceccfc54fc3de28bd619286b84d62