[INFO] cloning repository https://github.com/cypriansakwa/Elliptic_Curve_Order_over_a_Finite_Field
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cypriansakwa/Elliptic_Curve_Order_over_a_Finite_Field" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcypriansakwa%2FElliptic_Curve_Order_over_a_Finite_Field", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcypriansakwa%2FElliptic_Curve_Order_over_a_Finite_Field'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d736ca36b218ab746083af33e62af7b4d15c4195
[INFO] checking cypriansakwa/Elliptic_Curve_Order_over_a_Finite_Field against try#35b6491ce6d2b388d0a5de1e59e2123604af807f for pr-136539
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcypriansakwa%2FElliptic_Curve_Order_over_a_Finite_Field" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cypriansakwa/Elliptic_Curve_Order_over_a_Finite_Field on toolchain 35b6491ce6d2b388d0a5de1e59e2123604af807f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cypriansakwa/Elliptic_Curve_Order_over_a_Finite_Field
[INFO] finished tweaking git repo https://github.com/cypriansakwa/Elliptic_Curve_Order_over_a_Finite_Field
[INFO] tweaked toml for git repo https://github.com/cypriansakwa/Elliptic_Curve_Order_over_a_Finite_Field written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/cypriansakwa/Elliptic_Curve_Order_over_a_Finite_Field 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" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking cypriansakwa/Elliptic_Curve_Order_over_a_Finite_Field against try#35b6491ce6d2b388d0a5de1e59e2123604af807f for pr-136539
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcypriansakwa%2FElliptic_Curve_Order_over_a_Finite_Field" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cypriansakwa/Elliptic_Curve_Order_over_a_Finite_Field on toolchain 35b6491ce6d2b388d0a5de1e59e2123604af807f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cypriansakwa/Elliptic_Curve_Order_over_a_Finite_Field
[INFO] finished tweaking git repo https://github.com/cypriansakwa/Elliptic_Curve_Order_over_a_Finite_Field
[INFO] tweaked toml for git repo https://github.com/cypriansakwa/Elliptic_Curve_Order_over_a_Finite_Field written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/cypriansakwa/Elliptic_Curve_Order_over_a_Finite_Field 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" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d29c1a748a6a4855e84504696b53694d29e413de1261d631b43addb0555b145
[INFO] running `Command { std: "docker" "start" "-a" "8d29c1a748a6a4855e84504696b53694d29e413de1261d631b43addb0555b145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d29c1a748a6a4855e84504696b53694d29e413de1261d631b43addb0555b145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d29c1a748a6a4855e84504696b53694d29e413de1261d631b43addb0555b145", kill_on_drop: false }`
[INFO] [stdout] 8d29c1a748a6a4855e84504696b53694d29e413de1261d631b43addb0555b145
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad04b31fba4876cdfca2219826ab9aefc9a5843734ce5f8b9f2021b3646b0aad
[INFO] running `Command { std: "docker" "start" "-a" "ad04b31fba4876cdfca2219826ab9aefc9a5843734ce5f8b9f2021b3646b0aad", kill_on_drop: false }`
[INFO] [stderr]     Checking Elliptic_Curve_Order_over_a_Finite_Field v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]  --> src/main.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Point {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]  --> src/main.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Point {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `is_infinity` are never used
[INFO] [stdout]   --> src/main.rs:7:8
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl Point {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 7  |     fn new(x: Option<i64>, y: Option<i64>) -> Point {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn is_infinity(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `is_infinity` are never used
[INFO] [stdout]   --> src/main.rs:7:8
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl Point {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 7  |     fn new(x: Option<i64>, y: Option<i64>) -> Point {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn is_infinity(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "ad04b31fba4876cdfca2219826ab9aefc9a5843734ce5f8b9f2021b3646b0aad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad04b31fba4876cdfca2219826ab9aefc9a5843734ce5f8b9f2021b3646b0aad", kill_on_drop: false }`
[INFO] [stdout] ad04b31fba4876cdfca2219826ab9aefc9a5843734ce5f8b9f2021b3646b0aad