[INFO] fetching crate arcturus 0.4.0...
[INFO] checking arcturus-0.4.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate arcturus 0.4.0 into /workspace/builds/worker-82/source
[INFO] validating manifest of crates.io crate arcturus 0.4.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arcturus 0.4.0
[INFO] finished tweaking crates.io crate arcturus 0.4.0
[INFO] tweaked toml for crates.io crate arcturus 0.4.0 written to /workspace/builds/worker-82/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded polynomials v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 167707f30c15dd45e8419c0fc37390cad06e04a63f41b5d327b8512f8bd3d7d5
[INFO] running `Command { std: "docker" "start" "-a" "167707f30c15dd45e8419c0fc37390cad06e04a63f41b5d327b8512f8bd3d7d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "167707f30c15dd45e8419c0fc37390cad06e04a63f41b5d327b8512f8bd3d7d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "167707f30c15dd45e8419c0fc37390cad06e04a63f41b5d327b8512f8bd3d7d5", kill_on_drop: false }`
[INFO] [stdout] 167707f30c15dd45e8419c0fc37390cad06e04a63f41b5d327b8512f8bd3d7d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b90d38b3805d035bd2e4709ba7b263a501db3fd4ed3138078a2ab27d4491337f
[INFO] running `Command { std: "docker" "start" "-a" "b90d38b3805d035bd2e4709ba7b263a501db3fd4ed3138078a2ab27d4491337f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking blake2 v0.9.2
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling zeroize_derive v1.2.2
[INFO] [stderr]     Checking zeroize v1.4.3
[INFO] [stderr]     Checking merlin v2.0.1
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking serde_json v1.0.72
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking polynomials v0.2.4
[INFO] [stderr]     Checking curve25519-dalek v3.2.0
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]     Checking arcturus v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `SamplingMode`, `black_box`
[INFO] [stdout]  --> benches/prove_and_verify.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     black_box, criterion_group, criterion_main, BenchmarkId, Criterion, SamplingMode, Throughput,
[INFO] [stdout]   |     ^^^^^^^^^                                                           ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_output` found for struct `arcturus::SpendSecret` in the current scope
[INFO] [stdout]   --> benches/prove_and_verify.rs:47:27
[INFO] [stdout]    |
[INFO] [stdout] 47 |         ring[idx] = spend.to_output();
[INFO] [stdout]    |                           ^^^^^^^^^ help: there is an associated function with a similar name: `output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arcturus` due to 3 previous errors; 1 warning emitted
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> benches/prove_and_verify.rs:113:25
[INFO] [stdout]     |
[INFO] [stdout] 113 |                         &proofs[..],
[INFO] [stdout]     |                         ^^^^^^^^^^^ expected struct `ArcturusProof`, found `&[ArcturusProof]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `ArcturusProof`
[INFO] [stdout]             found reference `&[ArcturusProof]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b90d38b3805d035bd2e4709ba7b263a501db3fd4ed3138078a2ab27d4491337f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b90d38b3805d035bd2e4709ba7b263a501db3fd4ed3138078a2ab27d4491337f", kill_on_drop: false }`
[INFO] [stdout] b90d38b3805d035bd2e4709ba7b263a501db3fd4ed3138078a2ab27d4491337f