[INFO] fetching crate engula-api 0.4.0...
[INFO] checking engula-api-0.4.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate engula-api 0.4.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate engula-api 0.4.0 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate engula-api 0.4.0
[INFO] finished tweaking crates.io crate engula-api 0.4.0
[INFO] tweaked toml for crates.io crate engula-api 0.4.0 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" "+b0696a5160711c068cb1f01b7437db7990d15750" "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" "+b0696a5160711c068cb1f01b7437db7990d15750" "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] 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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce65fc0dc2b1337ae7d473e7cd69eaf7f774d61e75a722d066120daf755d1fd7
[INFO] running `Command { std: "docker" "start" "-a" "ce65fc0dc2b1337ae7d473e7cd69eaf7f774d61e75a722d066120daf755d1fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce65fc0dc2b1337ae7d473e7cd69eaf7f774d61e75a722d066120daf755d1fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce65fc0dc2b1337ae7d473e7cd69eaf7f774d61e75a722d066120daf755d1fd7", kill_on_drop: false }`
[INFO] [stdout] ce65fc0dc2b1337ae7d473e7cd69eaf7f774d61e75a722d066120daf755d1fd7
[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" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15b10a8722b02387d8af97e8adb430712b81e6f1155234fd213c66bdebb16b0c
[INFO] running `Command { std: "docker" "start" "-a" "15b10a8722b02387d8af97e8adb430712b81e6f1155234fd213c66bdebb16b0c", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling prettyplease v0.1.25
[INFO] [stderr]    Compiling petgraph v0.6.4
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling prost-derive v0.10.1
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]     Checking http-range-header v0.3.1
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]     Checking matchit v0.5.0
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling tempfile v3.10.1
[INFO] [stderr]    Compiling prost-build v0.10.4
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling prost v0.10.4
[INFO] [stderr]     Checking prost-types v0.10.1
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling tonic-build v0.7.2
[INFO] [stderr]     Checking axum-core v0.2.9
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]    Compiling engula-api v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]   --> build.rs:15:25
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::{error::Error, result::Result};
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Result` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: failed to run custom build command for `engula-api v0.4.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/engula-api-30931eb88a63066e/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: Custom { kind: Other, error: "protoc failed: engula/v1/engula.proto: This file contains proto3 optional fields, but --experimental_allow_proto3_optional was not set.\n" }
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "15b10a8722b02387d8af97e8adb430712b81e6f1155234fd213c66bdebb16b0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15b10a8722b02387d8af97e8adb430712b81e6f1155234fd213c66bdebb16b0c", kill_on_drop: false }`
[INFO] [stdout] 15b10a8722b02387d8af97e8adb430712b81e6f1155234fd213c66bdebb16b0c
[INFO] checking engula-api-0.4.0 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate engula-api 0.4.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate engula-api 0.4.0 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate engula-api 0.4.0
[INFO] finished tweaking crates.io crate engula-api 0.4.0
[INFO] tweaked toml for crates.io crate engula-api 0.4.0 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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7be0892c85e10cc4dce73dcd78c693223afb2b631748bb78021bf951832d2025
[INFO] running `Command { std: "docker" "start" "-a" "7be0892c85e10cc4dce73dcd78c693223afb2b631748bb78021bf951832d2025", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7be0892c85e10cc4dce73dcd78c693223afb2b631748bb78021bf951832d2025", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7be0892c85e10cc4dce73dcd78c693223afb2b631748bb78021bf951832d2025", kill_on_drop: false }`
[INFO] [stdout] 7be0892c85e10cc4dce73dcd78c693223afb2b631748bb78021bf951832d2025
[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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 244e5d7d34b5d6afb675f5e61d93c3e88b8a9e9d722502b5ff3df5f905cac0fb
[INFO] running `Command { std: "docker" "start" "-a" "244e5d7d34b5d6afb675f5e61d93c3e88b8a9e9d722502b5ff3df5f905cac0fb", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]    Compiling prettyplease v0.1.25
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]    Compiling petgraph v0.6.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling prost-derive v0.10.1
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling tempfile v3.10.1
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling prost-build v0.10.4
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]     Checking http-range-header v0.3.1
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]     Checking matchit v0.5.0
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling prost v0.10.4
[INFO] [stderr]    Compiling prost-types v0.10.1
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]    Compiling tonic-build v0.7.2
[INFO] [stderr]     Checking axum-core v0.2.9
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]    Compiling engula-api v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]   --> build.rs:15:25
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::{error::Error, result::Result};
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Result` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: failed to run custom build command for `engula-api v0.4.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/engula-api-30931eb88a63066e/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: Custom { kind: Other, error: "protoc failed: engula/v1/engula.proto: This file contains proto3 optional fields, but --experimental_allow_proto3_optional was not set.\n" }
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "244e5d7d34b5d6afb675f5e61d93c3e88b8a9e9d722502b5ff3df5f905cac0fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "244e5d7d34b5d6afb675f5e61d93c3e88b8a9e9d722502b5ff3df5f905cac0fb", kill_on_drop: false }`
[INFO] [stdout] 244e5d7d34b5d6afb675f5e61d93c3e88b8a9e9d722502b5ff3df5f905cac0fb
