[INFO] fetching crate matdb 0.1.0...
[INFO] checking matdb-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146470-1
[INFO] extracting crate matdb 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate matdb 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate matdb 0.1.0
[INFO] tweaked toml for crates.io crate matdb 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate matdb 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate matdb 0.1.0 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--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]  Downloading crates ...
[INFO] [stderr]   Downloaded endian-type v0.1.2
[INFO] [stderr]   Downloaded nibble_vec v0.1.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.94
[INFO] [stderr]   Downloaded getrandom v0.3.1
[INFO] [stderr]   Downloaded wit-bindgen-rt v0.33.0
[INFO] [stderr]   Downloaded clap_lex v0.7.4
[INFO] [stderr]   Downloaded terminal_size v0.4.1
[INFO] [stderr]   Downloaded symbolic_expressions v5.0.3
[INFO] [stderr]   Downloaded condtype v1.3.0
[INFO] [stderr]   Downloaded csv-core v0.1.11
[INFO] [stderr]   Downloaded clap_derive v4.5.32
[INFO] [stderr]   Downloaded divan-macros v0.1.17
[INFO] [stderr]   Downloaded anyhow v1.0.97
[INFO] [stderr]   Downloaded serde_derive v1.0.210
[INFO] [stderr]   Downloaded clap v4.5.32
[INFO] [stderr]   Downloaded wasi v0.13.3+wasi-0.2.2
[INFO] [stderr]   Downloaded rustyline v14.0.0
[INFO] [stderr]   Downloaded clap_builder v4.5.32
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.23
[INFO] [stderr]   Downloaded radix_trie v0.2.1
[INFO] [stderr]   Downloaded rand v0.9.0
[INFO] [stderr]   Downloaded zerocopy v0.8.23
[INFO] [stderr]   Downloaded rustix v0.38.37
[INFO] [stderr]   Downloaded serde v1.0.210
[INFO] [stderr]   Downloaded libc v0.2.160
[INFO] [stderr]   Downloaded csv v1.3.1
[INFO] [stderr]   Downloaded symbol_table v0.2.0
[INFO] [stderr]   Downloaded divan v0.1.17
[INFO] [stderr]   Downloaded egg v0.9.5
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f08ebd6117b8a9f43ea939426b89146d4821895d0c41951b7528e0159468229c
[INFO] running `Command { std: "docker" "start" "-a" "f08ebd6117b8a9f43ea939426b89146d4821895d0c41951b7528e0159468229c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f08ebd6117b8a9f43ea939426b89146d4821895d0c41951b7528e0159468229c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f08ebd6117b8a9f43ea939426b89146d4821895d0c41951b7528e0159468229c", kill_on_drop: false }`
[INFO] [stdout] f08ebd6117b8a9f43ea939426b89146d4821895d0c41951b7528e0159468229c
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac90155098d2e520d176defc818944b359ab655f8f3dd3f1a035cb113de861ec
[INFO] running `Command { std: "docker" "start" "-a" "ac90155098d2e520d176defc818944b359ab655f8f3dd3f1a035cb113de861ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.160
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling thiserror v1.0.65
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling anyhow v1.0.97
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking home v0.5.9
[INFO] [stderr]     Checking symbolic_expressions v5.0.3
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling zerocopy v0.8.23
[INFO] [stderr]     Checking condtype v1.3.0
[INFO] [stderr]     Checking regex-lite v0.1.6
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking terminal_size v0.4.1
[INFO] [stderr]     Checking fd-lock v4.0.2
[INFO] [stderr]     Checking clap_builder v4.5.32
[INFO] [stderr]     Checking symbol_table v0.2.0
[INFO] [stderr]     Checking rustyline v14.0.0
[INFO] [stderr]     Checking csv v1.3.1
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]    Compiling thiserror-impl v1.0.65
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling divan-macros v0.1.17
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking egg v0.9.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking clap v4.5.32
[INFO] [stderr]     Checking matdb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking divan v0.1.17
[INFO] [stderr]     Checking rand v0.9.0
[INFO] [stdout] warning: fields `start` and `end` are never read
[INFO] [stdout]   --> src/parser/lexer.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Spanned<T> {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub start: Position,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 25 |     pub end: Position,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Spanned` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/parser/lexer.rs:113:25
[INFO] [stdout]     |
[INFO] [stdout] 113 |     UnexpectedCharacter(char),
[INFO] [stdout]     |     ------------------- ^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `LexerError` 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] 113 -     UnexpectedCharacter(char),
[INFO] [stdout] 113 +     UnexpectedCharacter(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `start` and `end` are never read
[INFO] [stdout]   --> src/parser/lexer.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Spanned<T> {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub start: Position,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 25 |     pub end: Position,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Spanned` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/parser/lexer.rs:113:25
[INFO] [stdout]     |
[INFO] [stdout] 113 |     UnexpectedCharacter(char),
[INFO] [stdout]     |     ------------------- ^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `LexerError` 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] 113 -     UnexpectedCharacter(char),
[INFO] [stdout] 113 +     UnexpectedCharacter(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.74s
[INFO] running `Command { std: "docker" "inspect" "ac90155098d2e520d176defc818944b359ab655f8f3dd3f1a035cb113de861ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac90155098d2e520d176defc818944b359ab655f8f3dd3f1a035cb113de861ec", kill_on_drop: false }`
[INFO] [stdout] ac90155098d2e520d176defc818944b359ab655f8f3dd3f1a035cb113de861ec