[INFO] cloning repository https://github.com/kobigurk/librustzcash_omer_external
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kobigurk/librustzcash_omer_external" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkobigurk%2Flibrustzcash_omer_external", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkobigurk%2Flibrustzcash_omer_external'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f077ebb86cdfff91c09347d6a57c804c189f3b5
[INFO] checking kobigurk/librustzcash_omer_external against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkobigurk%2Flibrustzcash_omer_external" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kobigurk/librustzcash_omer_external
[INFO] finished tweaking git repo https://github.com/kobigurk/librustzcash_omer_external
[INFO] tweaked toml for git repo https://github.com/kobigurk/librustzcash_omer_external written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kobigurk/librustzcash_omer_external on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kobigurk/librustzcash_omer_external 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0ab9f7ab82a3fbd9ab37119321013624a898a66b4b7e6a2d8d3e4f0e4392179
[INFO] running `Command { std: "docker" "start" "-a" "c0ab9f7ab82a3fbd9ab37119321013624a898a66b4b7e6a2d8d3e4f0e4392179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0ab9f7ab82a3fbd9ab37119321013624a898a66b4b7e6a2d8d3e4f0e4392179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0ab9f7ab82a3fbd9ab37119321013624a898a66b4b7e6a2d8d3e4f0e4392179", kill_on_drop: false }`
[INFO] [stdout] c0ab9f7ab82a3fbd9ab37119321013624a898a66b4b7e6a2d8d3e4f0e4392179
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 991f327601c4ab2d9977ce73e139718f6b027ba70c7f3df761b23c2b70a6bd91
[INFO] running `Command { std: "docker" "start" "-a" "991f327601c4ab2d9977ce73e139718f6b027ba70c7f3df761b23c2b70a6bd91", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking blake2-rfc v0.2.18 (https://github.com/gtank/blake2-rfc?rev=7a5b5fc99ae483a0043db7547fb79a6fa44b88a9#7a5b5fc9)
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking pairing v0.14.2 (https://github.com/zcash/librustzcash.git?rev=06da3b9ac8f278e5d4ae13088cf0a4c03d2c13f5#06da3b9a)
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking bellman v0.1.0 (https://github.com/zcash/librustzcash.git?rev=06da3b9ac8f278e5d4ae13088cf0a4c03d2c13f5#06da3b9a)
[INFO] [stderr]     Checking sapling-crypto v0.0.1 (https://github.com/zcash/librustzcash.git?rev=06da3b9ac8f278e5d4ae13088cf0a4c03d2c13f5#06da3b9a)
[INFO] [stderr]     Checking omer_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `JubjubBls12`, `JubjubEngine`, `PrimeOrder`, and `fs::Fs`
[INFO] [stdout]  --> src/main.rs:4:39
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sapling_crypto::jubjub::{edwards, fs::Fs, PrimeOrder, Unknown, JubjubBls12, JubjubEngine };
[INFO] [stdout]   |                                       ^^^^^^  ^^^^^^^^^^           ^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `JubjubPoint` is never constructed
[INFO] [stdout]  --> src/main.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct JubjubPoint {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `purpose` and `ge` are never read
[INFO] [stdout]   --> src/main.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct JubjubPoint {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout]  9 |     purpose: &'static str,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 10 |     ge: PK,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `JubjubPoint` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `JubjubBls12`, `JubjubEngine`, `PrimeOrder`, and `fs::Fs`
[INFO] [stdout]  --> src/main.rs:4:39
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sapling_crypto::jubjub::{edwards, fs::Fs, PrimeOrder, Unknown, JubjubBls12, JubjubEngine };
[INFO] [stdout]   |                                       ^^^^^^  ^^^^^^^^^^           ^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `omer_test` (bin "omer_test" test) due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `JubjubPoint` is never constructed
[INFO] [stdout]  --> src/main.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct JubjubPoint {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `omer_test` (bin "omer_test") due to 1 previous error; 2 warnings emitted
[INFO] [stdout] warning: fields `purpose` and `ge` are never read
[INFO] [stdout]   --> src/main.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct JubjubPoint {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout]  9 |     purpose: &'static str,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 10 |     ge: PK,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `JubjubPoint` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "991f327601c4ab2d9977ce73e139718f6b027ba70c7f3df761b23c2b70a6bd91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "991f327601c4ab2d9977ce73e139718f6b027ba70c7f3df761b23c2b70a6bd91", kill_on_drop: false }`
[INFO] [stdout] 991f327601c4ab2d9977ce73e139718f6b027ba70c7f3df761b23c2b70a6bd91
