[INFO] fetching crate grapl-ipc-generator-plugin 0.1.1...
[INFO] checking grapl-ipc-generator-plugin-0.1.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate grapl-ipc-generator-plugin 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate grapl-ipc-generator-plugin 0.1.1 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 grapl-ipc-generator-plugin 0.1.1
[INFO] finished tweaking crates.io crate grapl-ipc-generator-plugin 0.1.1
[INFO] tweaked toml for crates.io crate grapl-ipc-generator-plugin 0.1.1 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 100 packages
[INFO] [stderr]       Adding autocfg v0.1.8 (latest: v1.2.0)
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[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 }`
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[INFO] [stderr]   Downloaded derive-dynamic-node v0.1.7
[INFO] [stderr]   Downloaded prost-build v0.4.0
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b942876d2c589b55cf72588521d99f3ac4a09bdba24e0b8bdb70f772f7318443
[INFO] running `Command { std: "docker" "start" "-a" "b942876d2c589b55cf72588521d99f3ac4a09bdba24e0b8bdb70f772f7318443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b942876d2c589b55cf72588521d99f3ac4a09bdba24e0b8bdb70f772f7318443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b942876d2c589b55cf72588521d99f3ac4a09bdba24e0b8bdb70f772f7318443", kill_on_drop: false }`
[INFO] [stdout] b942876d2c589b55cf72588521d99f3ac4a09bdba24e0b8bdb70f772f7318443
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 816e396f02907978e1d2a1f4023805d796da8fde64dedc77cfbe562e74400721
[INFO] running `Command { std: "docker" "start" "-a" "816e396f02907978e1d2a1f4023805d796da8fde64dedc77cfbe562e74400721", kill_on_drop: false }`
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[INFO] [stderr]    Compiling typed-builder v0.1.1
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[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling darling_core v0.9.0
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[INFO] [stderr]    Compiling grapl-graph-descriptions v0.1.9
[INFO] [stderr]    Compiling derive-dynamic-node v0.1.7
[INFO] [stderr]     Checking grapl-ipc-generator-plugin v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `grapl_graph_descriptions::*`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use grapl_graph_descriptions::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Static` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:3:51
[INFO] [stdout]   |
[INFO] [stdout] 1 | use grapl_graph_descriptions::graph_description::*;
[INFO] [stdout]   |     ---------------------------------------------- the item `Static` is already imported here
[INFO] [stdout] 2 | use grapl_graph_descriptions::*;
[INFO] [stdout] 3 | use grapl_graph_descriptions::graph_description::{Static, IdStrategy};
[INFO] [stdout]   |                                                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IdStrategy` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:3:59
[INFO] [stdout]   |
[INFO] [stdout] 1 | use grapl_graph_descriptions::graph_description::*;
[INFO] [stdout]   |     ---------------------------------------------- the item `IdStrategy` is already imported here
[INFO] [stdout] 2 | use grapl_graph_descriptions::*;
[INFO] [stdout] 3 | use grapl_graph_descriptions::graph_description::{Static, IdStrategy};
[INFO] [stdout]   |                                                           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `grapl_graph_descriptions::*`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use grapl_graph_descriptions::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Static` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:3:51
[INFO] [stdout]   |
[INFO] [stdout] 1 | use grapl_graph_descriptions::graph_description::*;
[INFO] [stdout]   |     ---------------------------------------------- the item `Static` is already imported here
[INFO] [stdout] 2 | use grapl_graph_descriptions::*;
[INFO] [stdout] 3 | use grapl_graph_descriptions::graph_description::{Static, IdStrategy};
[INFO] [stdout]   |                                                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IdStrategy` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:3:59
[INFO] [stdout]   |
[INFO] [stdout] 1 | use grapl_graph_descriptions::graph_description::*;
[INFO] [stdout]   |     ---------------------------------------------- the item `IdStrategy` is already imported here
[INFO] [stdout] 2 | use grapl_graph_descriptions::*;
[INFO] [stdout] 3 | use grapl_graph_descriptions::graph_description::{Static, IdStrategy};
[INFO] [stdout]   |                                                           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `src_pid`, `dst_pid`, and `ipc_type` are never read
[INFO] [stdout]   --> src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Ipc {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 12 |     src_pid: u64,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 13 |     dst_pid: u64,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 14 |     ipc_type: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Ipc` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `src_pid`, `dst_pid`, and `ipc_type` are never read
[INFO] [stdout]   --> src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Ipc {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 12 |     src_pid: u64,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 13 |     dst_pid: u64,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 14 |     ipc_type: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Ipc` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.80s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.12.15, syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "816e396f02907978e1d2a1f4023805d796da8fde64dedc77cfbe562e74400721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "816e396f02907978e1d2a1f4023805d796da8fde64dedc77cfbe562e74400721", kill_on_drop: false }`
[INFO] [stdout] 816e396f02907978e1d2a1f4023805d796da8fde64dedc77cfbe562e74400721