[INFO] fetching crate bomboni_prost 0.1.19... [INFO] checking bomboni_prost-0.1.19 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate bomboni_prost 0.1.19 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate bomboni_prost 0.1.19 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate bomboni_prost 0.1.19 [INFO] finished tweaking crates.io crate bomboni_prost 0.1.19 [INFO] tweaked toml for crates.io crate bomboni_prost 0.1.19 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 16 packages [INFO] [stderr] Adding itertools v0.11.0 (latest: v0.12.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ad207fc46cc325cbfa44a44d9a7a7df3849a0ad5d4f8d5f7e1a66264f63ce5a3 [INFO] running `Command { std: "docker" "start" "-a" "ad207fc46cc325cbfa44a44d9a7a7df3849a0ad5d4f8d5f7e1a66264f63ce5a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ad207fc46cc325cbfa44a44d9a7a7df3849a0ad5d4f8d5f7e1a66264f63ce5a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad207fc46cc325cbfa44a44d9a7a7df3849a0ad5d4f8d5f7e1a66264f63ce5a3", kill_on_drop: false }` [INFO] [stdout] ad207fc46cc325cbfa44a44d9a7a7df3849a0ad5d4f8d5f7e1a66264f63ce5a3 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4a7e21cea8c59ec4ae94fade179f989c67b3e9099b81fbbb978cd4cf5c936683 [INFO] running `Command { std: "docker" "start" "-a" "4a7e21cea8c59ec4ae94fade179f989c67b3e9099b81fbbb978cd4cf5c936683", kill_on_drop: false }` [INFO] [stderr] Compiling either v1.10.0 [INFO] [stderr] Compiling prettyplease v0.2.17 [INFO] [stderr] Checking bytes v1.6.0 [INFO] [stderr] Compiling anyhow v1.0.81 [INFO] [stderr] Checking convert_case v0.6.0 [INFO] [stderr] Checking itertools v0.12.1 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling itertools v0.11.0 [INFO] [stderr] Compiling prost-derive v0.12.3 [INFO] [stderr] Checking prost v0.12.3 [INFO] [stderr] Checking prost-types v0.12.3 [INFO] [stderr] Checking bomboni_prost v0.1.19 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `descriptor` is never read [INFO] [stdout] --> src/context.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Context<'a> { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 9 | pub config: &'a CompileConfig, [INFO] [stdout] 10 | pub descriptor: &'a FileDescriptorSet, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `descriptor` is never read [INFO] [stdout] --> src/context.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Context<'a> { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 9 | pub config: &'a CompileConfig, [INFO] [stdout] 10 | pub descriptor: &'a FileDescriptorSet, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.75s [INFO] running `Command { std: "docker" "inspect" "4a7e21cea8c59ec4ae94fade179f989c67b3e9099b81fbbb978cd4cf5c936683", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a7e21cea8c59ec4ae94fade179f989c67b3e9099b81fbbb978cd4cf5c936683", kill_on_drop: false }` [INFO] [stdout] 4a7e21cea8c59ec4ae94fade179f989c67b3e9099b81fbbb978cd4cf5c936683