[INFO] cloning repository https://github.com/1KitCat1/winterfell-research
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/1KitCat1/winterfell-research" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1KitCat1%2Fwinterfell-research", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1KitCat1%2Fwinterfell-research'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 953d5f1e0fc2affeef47ac93498de6092bae998f
[INFO] building 1KitCat1/winterfell-research against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1KitCat1%2Fwinterfell-research" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/1KitCat1/winterfell-research on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/1KitCat1/winterfell-research
[INFO] finished tweaking git repo https://github.com/1KitCat1/winterfell-research
[INFO] tweaked toml for git repo https://github.com/1KitCat1/winterfell-research written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/1KitCat1/winterfell-research 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cpufeatures v0.2.9
[INFO] [stderr]   Downloaded winter-fri v0.6.4
[INFO] [stderr]   Downloaded winter-utils v0.6.4
[INFO] [stderr]   Downloaded winter-math v0.6.5
[INFO] [stderr]   Downloaded blake3 v1.4.1
[INFO] [stderr]   Downloaded libc v0.2.147
[INFO] [stderr]   Downloaded winter-crypto v0.6.4
[INFO] [stderr]   Downloaded winter-prover v0.6.4
[INFO] [stderr]   Downloaded winterfell v0.6.4
[INFO] [stderr]   Downloaded winter-verifier v0.6.4
[INFO] [stderr]   Downloaded winter-air v0.6.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26991ec50e2f274ac50f8c60a354d020e326d48404a92974b88775a4ac2d6797
[INFO] running `Command { std: "docker" "start" "-a" "26991ec50e2f274ac50f8c60a354d020e326d48404a92974b88775a4ac2d6797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26991ec50e2f274ac50f8c60a354d020e326d48404a92974b88775a4ac2d6797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26991ec50e2f274ac50f8c60a354d020e326d48404a92974b88775a4ac2d6797", kill_on_drop: false }`
[INFO] [stdout] 26991ec50e2f274ac50f8c60a354d020e326d48404a92974b88775a4ac2d6797
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 387bbf207fd3d975543d2e447925f3f23ca4e67d429fc91e9b167a2eec06274f
[INFO] running `Command { std: "docker" "start" "-a" "387bbf207fd3d975543d2e447925f3f23ca4e67d429fc91e9b167a2eec06274f", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling arrayref v0.3.7
[INFO] [stderr]    Compiling winter-utils v0.6.4
[INFO] [stderr]    Compiling keccak v0.1.4
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling constant_time_eq v0.3.0
[INFO] [stderr]    Compiling winter-math v0.6.5
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling blake3 v1.4.1
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling winter-crypto v0.6.4
[INFO] [stderr]    Compiling winter-fri v0.6.4
[INFO] [stderr]    Compiling winter-air v0.6.4
[INFO] [stderr]    Compiling winter-prover v0.6.4
[INFO] [stderr]    Compiling winter-verifier v0.6.4
[INFO] [stderr]    Compiling winterfell v0.6.4
[INFO] [stderr]    Compiling winterfell-research v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `TraceTable`
[INFO] [stdout]  --> src/main.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use winterfell::{TraceTable, Serializable};
[INFO] [stdout]   |                  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INV_ALPHA` is never used
[INFO] [stdout]  --> src/main.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const INV_ALPHA: u128 = 226854911280625642308916371969163307691;
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CONST_42` is never used
[INFO] [stdout]  --> src/main.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const CONST_42: BaseElement = BaseElement::new(42);
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vdf` is never used
[INFO] [stdout]   --> src/main.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn vdf(seed: BaseElement, n: usize) -> BaseElement {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VdfInputs` is never constructed
[INFO] [stdout]   --> src/main.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct VdfInputs {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.00s
[INFO] running `Command { std: "docker" "inspect" "387bbf207fd3d975543d2e447925f3f23ca4e67d429fc91e9b167a2eec06274f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "387bbf207fd3d975543d2e447925f3f23ca4e67d429fc91e9b167a2eec06274f", kill_on_drop: false }`
[INFO] [stdout] 387bbf207fd3d975543d2e447925f3f23ca4e67d429fc91e9b167a2eec06274f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2defb61a9d79b3b9dc0f179ccac00b06a382c4a4db7dd27ff59af63a160196e3
[INFO] running `Command { std: "docker" "start" "-a" "2defb61a9d79b3b9dc0f179ccac00b06a382c4a4db7dd27ff59af63a160196e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling winterfell-research v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `TraceTable`
[INFO] [stdout]  --> src/main.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use winterfell::{TraceTable, Serializable};
[INFO] [stdout]   |                  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INV_ALPHA` is never used
[INFO] [stdout]  --> src/main.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const INV_ALPHA: u128 = 226854911280625642308916371969163307691;
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CONST_42` is never used
[INFO] [stdout]  --> src/main.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const CONST_42: BaseElement = BaseElement::new(42);
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vdf` is never used
[INFO] [stdout]   --> src/main.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn vdf(seed: BaseElement, n: usize) -> BaseElement {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VdfInputs` is never constructed
[INFO] [stdout]   --> src/main.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct VdfInputs {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "2defb61a9d79b3b9dc0f179ccac00b06a382c4a4db7dd27ff59af63a160196e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2defb61a9d79b3b9dc0f179ccac00b06a382c4a4db7dd27ff59af63a160196e3", kill_on_drop: false }`
[INFO] [stdout] 2defb61a9d79b3b9dc0f179ccac00b06a382c4a4db7dd27ff59af63a160196e3