[INFO] fetching crate dpr 1.0.0...
[INFO] checking dpr-1.0.0 against nightly-2024-02-05 for check-cfg-2
[INFO] extracting crate dpr 1.0.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate dpr 1.0.0 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-2-tc1/source/Cargo.toml
[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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded typenum v1.11.2
[INFO] [stderr]   Downloaded version_check v0.9.1
[INFO] [stderr]   Downloaded bitmaps v2.1.0
[INFO] [stderr]   Downloaded rand_xoshiro v0.4.0
[INFO] [stderr]   Downloaded idata v0.1.2
[INFO] [stderr]   Downloaded im v14.3.0
[INFO] [stderr]   Downloaded sized-chunks v0.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd80ec811f5028b43898b5bb1190c5a982489ea1d414148d5926062194a84099
[INFO] running `Command { std: "docker" "start" "-a" "cd80ec811f5028b43898b5bb1190c5a982489ea1d414148d5926062194a84099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd80ec811f5028b43898b5bb1190c5a982489ea1d414148d5926062194a84099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd80ec811f5028b43898b5bb1190c5a982489ea1d414148d5926062194a84099", kill_on_drop: false }`
[INFO] [stdout] cd80ec811f5028b43898b5bb1190c5a982489ea1d414148d5926062194a84099
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea44036ea7844943beb1b8c189ee661816519786b8f16b8ca198c6abfb698522
[INFO] running `Command { std: "docker" "start" "-a" "ea44036ea7844943beb1b8c189ee661816519786b8f16b8ca198c6abfb698522", 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: 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]   = 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Error(());
[INFO] [stdout]   |                  ~~
[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: field `0` is never read
[INFO] [stdout]   --> src/parser/expression/mod.rs:25:27
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub(crate) struct Started(usize);
[INFO] [stdout]    |                   ------- ^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Started` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub(crate) struct Started(());
[INFO] [stdout]    |                           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/expression/mod.rs:60:25
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub(crate) struct Named(pub(crate) String);
[INFO] [stdout]    |                   ----- ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Named` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub(crate) struct Named(());
[INFO] [stdout]    |                         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[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]   = 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Error(());
[INFO] [stdout]   |                  ~~
[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: field `0` is never read
[INFO] [stdout]   --> src/parser/expression/mod.rs:25:27
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub(crate) struct Started(usize);
[INFO] [stdout]    |                   ------- ^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Started` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub(crate) struct Started(());
[INFO] [stdout]    |                           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/expression/mod.rs:60:25
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub(crate) struct Named(pub(crate) String);
[INFO] [stdout]    |                   ----- ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Named` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub(crate) struct Named(());
[INFO] [stdout]    |                         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "ea44036ea7844943beb1b8c189ee661816519786b8f16b8ca198c6abfb698522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea44036ea7844943beb1b8c189ee661816519786b8f16b8ca198c6abfb698522", kill_on_drop: false }`
[INFO] [stdout] ea44036ea7844943beb1b8c189ee661816519786b8f16b8ca198c6abfb698522
