[INFO] cloning repository https://github.com/Smehnov/vrf-poker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Smehnov/vrf-poker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSmehnov%2Fvrf-poker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSmehnov%2Fvrf-poker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 29e762a0b8a3b2c406ad9400b88917093b512c1b
[INFO] testing Smehnov/vrf-poker/29e762a0b8a3b2c406ad9400b88917093b512c1b against master#552a959051cebf8f88a8f558399baf733bec9ce0 for pr-136932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSmehnov%2Fvrf-poker" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Smehnov/vrf-poker on toolchain 552a959051cebf8f88a8f558399baf733bec9ce0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Smehnov/vrf-poker
[INFO] finished tweaking git repo https://github.com/Smehnov/vrf-poker
[INFO] tweaked toml for git repo https://github.com/Smehnov/vrf-poker written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Smehnov/vrf-poker 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" "+552a959051cebf8f88a8f558399baf733bec9ce0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vrf-r255 v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c5227da62473e511dd5810a5f3953b463210d06c9aeb6cc02a46a637b9c56ef
[INFO] running `Command { std: "docker" "start" "-a" "9c5227da62473e511dd5810a5f3953b463210d06c9aeb6cc02a46a637b9c56ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c5227da62473e511dd5810a5f3953b463210d06c9aeb6cc02a46a637b9c56ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c5227da62473e511dd5810a5f3953b463210d06c9aeb6cc02a46a637b9c56ef", kill_on_drop: false }`
[INFO] [stdout] 9c5227da62473e511dd5810a5f3953b463210d06c9aeb6cc02a46a637b9c56ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 985566fee22f954f5eb1d67233aceecea96b4795e43c30a3bc27aef31ad64e47
[INFO] running `Command { std: "docker" "start" "-a" "985566fee22f954f5eb1d67233aceecea96b4795e43c30a3bc27aef31ad64e47", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling proc-macro2 v1.0.84
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling platforms v3.4.0
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling curve25519-dalek v4.1.2
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling vrf-r255 v0.1.0
[INFO] [stderr]    Compiling vrf-poker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `proof` in this scope
[INFO] [stdout]   --> src/poker.rs:66:22
[INFO] [stdout]    |
[INFO] [stdout] 66 |     println!("{:?}", proof);
[INFO] [stdout]    |                      ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/poker.rs:36:38
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 let proof = sk.prove(format!("{}-{}", board.initial_word, board.drawn_cards));
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `&[u8]`, found `String`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/poker.rs:35:25
[INFO] [stdout]    |
[INFO] [stdout] 35 |               Some(sk) => {
[INFO] [stdout]    |  _________________________^
[INFO] [stdout] 36 | |                 let proof = sk.prove(format!("{}-{}", board.initial_word, board.drawn_cards));
[INFO] [stdout] 37 | |                 //SHOULD GENERATE CARD based on mod proof
[INFO] [stdout] 38 | |             }
[INFO] [stdout]    | |_____________^ expected `Option<Card>`, found `()`
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Option<Card>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/poker.rs:39:21
[INFO] [stdout]    |
[INFO] [stdout] 39 |             None => {}
[INFO] [stdout]    |                     ^^ expected `Option<Card>`, found `()`
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Option<Card>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vrf-poker` (bin "vrf-poker") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "985566fee22f954f5eb1d67233aceecea96b4795e43c30a3bc27aef31ad64e47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "985566fee22f954f5eb1d67233aceecea96b4795e43c30a3bc27aef31ad64e47", kill_on_drop: false }`
[INFO] [stdout] 985566fee22f954f5eb1d67233aceecea96b4795e43c30a3bc27aef31ad64e47