[INFO] fetching crate dpr 1.0.0...
[INFO] checking dpr-1.0.0 against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164
[INFO] extracting crate dpr 1.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate dpr 1.0.0
[INFO] finished tweaking crates.io crate dpr 1.0.0
[INFO] tweaked toml for crates.io crate dpr 1.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dpr 1.0.0 on toolchain 36b21637e93b038453924d3c66821089e71d8baa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dpr 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded idata v0.1.2
[INFO] [stderr]   Downloaded im v14.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62c470e2dc8991457d928092799fbc4fbbef05057964b03db669be9dc2f9c531
[INFO] running `Command { std: "docker" "start" "-a" "62c470e2dc8991457d928092799fbc4fbbef05057964b03db669be9dc2f9c531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62c470e2dc8991457d928092799fbc4fbbef05057964b03db669be9dc2f9c531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62c470e2dc8991457d928092799fbc4fbbef05057964b03db669be9dc2f9c531", kill_on_drop: false }`
[INFO] [stdout] 62c470e2dc8991457d928092799fbc4fbbef05057964b03db669be9dc2f9c531
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a07c2577bdfb19dd91f5e57b4df6fa3d495ec9cfd3c53667722cc71f3e95ab3
[INFO] running `Command { std: "docker" "start" "-a" "4a07c2577bdfb19dd91f5e57b4df6fa3d495ec9cfd3c53667722cc71f3e95ab3", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking idata v0.1.2
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling im v14.3.0
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking sized-chunks v0.5.3
[INFO] [stderr]     Checking dpr v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> src/macros.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg_attr(feature = "cargo-clippy", allow(clippy::let_and_return))]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> src/macros.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg_attr(feature = "cargo-clippy", allow(clippy::let_and_return))]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/ir/mod.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Error(pub(crate) String);
[INFO] [stdout]   |            ----- ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `Error` has a derived impl for the trait `Debug`, 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: fields `descr`, `line_before`, `line_after`, and `parsing_rules` are never read
[INFO] [stdout]   --> src/parser/mod.rs:70:16
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct Error {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub(crate) descr: String,
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 71 |     /// Line content before where error was produced
[INFO] [stdout] 72 |     pub(crate) line_before: String,
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout] 73 |     /// Line content after where error was produced
[INFO] [stdout] 74 |     pub(crate) line_after: String,
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub(crate) parsing_rules: Vec<String>,
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Started` is never constructed
[INFO] [stdout]   --> src/parser/expression/mod.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub(crate) struct Started(usize);
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Named` is never constructed
[INFO] [stdout]   --> src/parser/expression/mod.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub(crate) struct Named(pub(crate) String);
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/ir/mod.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Error(pub(crate) String);
[INFO] [stdout]   |            ----- ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `Error` has a derived impl for the trait `Debug`, 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: fields `descr`, `line_before`, `line_after`, and `parsing_rules` are never read
[INFO] [stdout]   --> src/parser/mod.rs:70:16
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct Error {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub(crate) descr: String,
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 71 |     /// Line content before where error was produced
[INFO] [stdout] 72 |     pub(crate) line_before: String,
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout] 73 |     /// Line content after where error was produced
[INFO] [stdout] 74 |     pub(crate) line_after: String,
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub(crate) parsing_rules: Vec<String>,
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Started` is never constructed
[INFO] [stdout]   --> src/parser/expression/mod.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub(crate) struct Started(usize);
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Named` is never constructed
[INFO] [stdout]   --> src/parser/expression/mod.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub(crate) struct Named(pub(crate) String);
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `Command { std: "docker" "inspect" "4a07c2577bdfb19dd91f5e57b4df6fa3d495ec9cfd3c53667722cc71f3e95ab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a07c2577bdfb19dd91f5e57b4df6fa3d495ec9cfd3c53667722cc71f3e95ab3", kill_on_drop: false }`
[INFO] [stdout] 4a07c2577bdfb19dd91f5e57b4df6fa3d495ec9cfd3c53667722cc71f3e95ab3
