[INFO] fetching crate reverie-zk 0.2.1-rc.4...
[INFO] checking reverie-zk-0.2.1-rc.4 against master#0d56e340472882fa673d4b98d0802b9a799879d0 for pr-101692
[INFO] extracting crate reverie-zk 0.2.1-rc.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate reverie-zk 0.2.1-rc.4 on toolchain 0d56e340472882fa673d4b98d0802b9a799879d0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/rust-toolchain
[INFO] started tweaking crates.io crate reverie-zk 0.2.1-rc.4
[INFO] finished tweaking crates.io crate reverie-zk 0.2.1-rc.4
[INFO] tweaked toml for crates.io crate reverie-zk 0.2.1-rc.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a098942d64e71071a9998b288e026a578155318f7cf4d5cbc7e04a09b293b399
[INFO] running `Command { std: "docker" "start" "-a" "a098942d64e71071a9998b288e026a578155318f7cf4d5cbc7e04a09b293b399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a098942d64e71071a9998b288e026a578155318f7cf4d5cbc7e04a09b293b399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a098942d64e71071a9998b288e026a578155318f7cf4d5cbc7e04a09b293b399", kill_on_drop: false }`
[INFO] [stdout] a098942d64e71071a9998b288e026a578155318f7cf4d5cbc7e04a09b293b399
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fc100024921d7c8add4f1d56d75e2d90fad0e353f6b7ab85685774bb678ef2e
[INFO] running `Command { std: "docker" "start" "-a" "3fc100024921d7c8add4f1d56d75e2d90fad0e353f6b7ab85685774bb678ef2e", kill_on_drop: false }`
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[INFO] [stderr]     Checking reverie-zk v0.2.1-rc.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the type `[[u8; 8]; 64]` does not permit being left uninitialized
[INFO] [stdout]    --> src/algebra/gf2/domain64.rs:325:13
[INFO] [stdout]     |
[INFO] [stdout] 325 |             MaybeUninit::uninit().assume_init();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this code causes undefined behavior when executed
[INFO] [stdout]     |             help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout]     = note: integers must not be uninitialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[[u8; 8]; 64]` does not permit being left uninitialized
[INFO] [stdout]    --> src/algebra/gf2/domain64.rs:325:13
[INFO] [stdout]     |
[INFO] [stdout] 325 |             MaybeUninit::uninit().assume_init();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this code causes undefined behavior when executed
[INFO] [stdout]     |             help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout]     = note: integers must not be uninitialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.73s
[INFO] running `Command { std: "docker" "inspect" "3fc100024921d7c8add4f1d56d75e2d90fad0e353f6b7ab85685774bb678ef2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fc100024921d7c8add4f1d56d75e2d90fad0e353f6b7ab85685774bb678ef2e", kill_on_drop: false }`
[INFO] [stdout] 3fc100024921d7c8add4f1d56d75e2d90fad0e353f6b7ab85685774bb678ef2e