[INFO] fetching crate risc0-zkvm-verify 0.10.0...
[INFO] checking risc0-zkvm-verify-0.10.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate risc0-zkvm-verify 0.10.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate risc0-zkvm-verify 0.10.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate risc0-zkvm-verify 0.10.0
[INFO] finished tweaking crates.io crate risc0-zkvm-verify 0.10.0
[INFO] tweaked toml for crates.io crate risc0-zkvm-verify 0.10.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 58 packages
[INFO] [stderr]       Adding env_logger v0.9.3 (latest: v0.11.3)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bencher v0.1.5
[INFO] [stderr]   Downloaded risc0-zkp-hal v0.10.0
[INFO] [stderr]   Downloaded risc0-zkp-core v0.10.0
[INFO] [stderr]   Downloaded risc0-zkvm-serde v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3dd0c8eccb0d7602c4fd4d6739a1cd2eac41ef461fc989feb605da9523cb39e0
[INFO] running `Command { std: "docker" "start" "-a" "3dd0c8eccb0d7602c4fd4d6739a1cd2eac41ef461fc989feb605da9523cb39e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3dd0c8eccb0d7602c4fd4d6739a1cd2eac41ef461fc989feb605da9523cb39e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dd0c8eccb0d7602c4fd4d6739a1cd2eac41ef461fc989feb605da9523cb39e0", kill_on_drop: false }`
[INFO] [stdout] 3dd0c8eccb0d7602c4fd4d6739a1cd2eac41ef461fc989feb605da9523cb39e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87efcc02ab78e54e15c4c509bb5b8816d17fec564f6a219be5b054d8f6fe86b5
[INFO] running `Command { std: "docker" "start" "-a" "87efcc02ab78e54e15c4c509bb5b8816d17fec564f6a219be5b054d8f6fe86b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking env_filter v0.1.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking env_logger v0.11.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling bytemuck_derive v1.6.0
[INFO] [stderr]    Compiling test-log-macros v0.2.15
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]     Checking test-log v0.2.15
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking risc0-zkp-core v0.10.0
[INFO] [stderr]     Checking risc0-zkvm-serde v0.10.0
[INFO] [stderr]     Checking risc0-zkp-hal v0.10.0
[INFO] [stderr]     Checking risc0-zkvm-verify v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> benches/verify.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use core::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> benches/verify.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{fs, vec::Vec};
[INFO] [stdout]   |               ^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> benches/verify.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         receipt.verify(method_id);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let _ = receipt.verify(method_id);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.34s
[INFO] running `Command { std: "docker" "inspect" "87efcc02ab78e54e15c4c509bb5b8816d17fec564f6a219be5b054d8f6fe86b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87efcc02ab78e54e15c4c509bb5b8816d17fec564f6a219be5b054d8f6fe86b5", kill_on_drop: false }`
[INFO] [stdout] 87efcc02ab78e54e15c4c509bb5b8816d17fec564f6a219be5b054d8f6fe86b5
[INFO] checking risc0-zkvm-verify-0.10.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate risc0-zkvm-verify 0.10.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate risc0-zkvm-verify 0.10.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate risc0-zkvm-verify 0.10.0
[INFO] finished tweaking crates.io crate risc0-zkvm-verify 0.10.0
[INFO] tweaked toml for crates.io crate risc0-zkvm-verify 0.10.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 577e0667f2dafac04877140fce43e33ff0408586cb930a3fcc8ab68a2d4926d4
[INFO] running `Command { std: "docker" "start" "-a" "577e0667f2dafac04877140fce43e33ff0408586cb930a3fcc8ab68a2d4926d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "577e0667f2dafac04877140fce43e33ff0408586cb930a3fcc8ab68a2d4926d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "577e0667f2dafac04877140fce43e33ff0408586cb930a3fcc8ab68a2d4926d4", kill_on_drop: false }`
[INFO] [stdout] 577e0667f2dafac04877140fce43e33ff0408586cb930a3fcc8ab68a2d4926d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d75ee662386735ec0a38210d70e875ac206f3c8bf6eb46a66a28b11c7686e97c
[INFO] running `Command { std: "docker" "start" "-a" "d75ee662386735ec0a38210d70e875ac206f3c8bf6eb46a66a28b11c7686e97c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking env_filter v0.1.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking env_logger v0.11.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling bytemuck_derive v1.6.0
[INFO] [stderr]    Compiling test-log-macros v0.2.15
[INFO] [stderr]     Checking test-log v0.2.15
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking risc0-zkp-core v0.10.0
[INFO] [stderr]     Checking risc0-zkvm-serde v0.10.0
[INFO] [stderr]     Checking risc0-zkp-hal v0.10.0
[INFO] [stderr]     Checking risc0-zkvm-verify v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> benches/verify.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use core::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> benches/verify.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{fs, vec::Vec};
[INFO] [stdout]   |               ^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> benches/verify.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         receipt.verify(method_id);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let _ = receipt.verify(method_id);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.15s
[INFO] running `Command { std: "docker" "inspect" "d75ee662386735ec0a38210d70e875ac206f3c8bf6eb46a66a28b11c7686e97c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d75ee662386735ec0a38210d70e875ac206f3c8bf6eb46a66a28b11c7686e97c", kill_on_drop: false }`
[INFO] [stdout] d75ee662386735ec0a38210d70e875ac206f3c8bf6eb46a66a28b11c7686e97c