[INFO] fetching crate matdb 0.1.0...
[INFO] testing matdb-0.1.0 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate matdb 0.1.0 into /workspace/builds/worker-6-tc2/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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate matdb 0.1.0 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "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" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 227e8ead4725e99e034c84ca22bb32badc1fb2bca177eda47510f740a127c32c
[INFO] running `Command { std: "docker" "start" "-a" "227e8ead4725e99e034c84ca22bb32badc1fb2bca177eda47510f740a127c32c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "227e8ead4725e99e034c84ca22bb32badc1fb2bca177eda47510f740a127c32c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "227e8ead4725e99e034c84ca22bb32badc1fb2bca177eda47510f740a127c32c", kill_on_drop: false }`
[INFO] [stdout] 227e8ead4725e99e034c84ca22bb32badc1fb2bca177eda47510f740a127c32c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4425b99f8f70576f7e45b6f8d31e954760bc026cb1e771f898fbeb5d8df3f927
[INFO] running `Command { std: "docker" "start" "-a" "4425b99f8f70576f7e45b6f8d31e954760bc026cb1e771f898fbeb5d8df3f927", 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 once_cell v1.20.2
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling thiserror v1.0.65
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling anyhow v1.0.97
[INFO] [stderr]    Compiling clap_builder v4.5.32
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling env_logger v0.9.3
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling symbolic_expressions v5.0.3
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling fd-lock v4.0.2
[INFO] [stderr]    Compiling symbol_table v0.2.0
[INFO] [stderr]    Compiling rustyline v14.0.0
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.65
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling egg v0.9.5
[INFO] [stderr]    Compiling clap v4.5.32
[INFO] [stderr]    Compiling matdb v0.1.0 (/opt/rustwide/workdir)
[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 41.31s
[INFO] running `Command { std: "docker" "inspect" "4425b99f8f70576f7e45b6f8d31e954760bc026cb1e771f898fbeb5d8df3f927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4425b99f8f70576f7e45b6f8d31e954760bc026cb1e771f898fbeb5d8df3f927", kill_on_drop: false }`
[INFO] [stdout] 4425b99f8f70576f7e45b6f8d31e954760bc026cb1e771f898fbeb5d8df3f927
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44745c622bbbd039c811875ce0581842de5ebc4a008b492befd63070d2f7bccb
[INFO] running `Command { std: "docker" "start" "-a" "44745c622bbbd039c811875ce0581842de5ebc4a008b492befd63070d2f7bccb", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerocopy v0.8.23
[INFO] [stderr]    Compiling divan-macros v0.1.17
[INFO] [stderr]    Compiling regex-lite v0.1.6
[INFO] [stderr]    Compiling condtype v1.3.0
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.0
[INFO] [stderr]    Compiling terminal_size v0.4.1
[INFO] [stderr]    Compiling fd-lock v4.0.2
[INFO] [stderr]    Compiling clap_builder v4.5.32
[INFO] [stderr]    Compiling rustyline v14.0.0
[INFO] [stderr]    Compiling clap v4.5.32
[INFO] [stderr]    Compiling divan v0.1.17
[INFO] [stderr]    Compiling matdb v0.1.0 (/opt/rustwide/workdir)
[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 `test` profile [unoptimized + debuginfo] target(s) in 26.77s
[INFO] running `Command { std: "docker" "inspect" "44745c622bbbd039c811875ce0581842de5ebc4a008b492befd63070d2f7bccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44745c622bbbd039c811875ce0581842de5ebc4a008b492befd63070d2f7bccb", kill_on_drop: false }`
[INFO] [stdout] 44745c622bbbd039c811875ce0581842de5ebc4a008b492befd63070d2f7bccb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d439a9bdaeb1114e5f6130c7ba9feee1ac853e4265394ea559e32e3b45d12a29
[INFO] running `Command { std: "docker" "start" "-a" "d439a9bdaeb1114e5f6130c7ba9feee1ac853e4265394ea559e32e3b45d12a29", kill_on_drop: false }`
[INFO] [stderr] warning: fields `start` and `end` are never read
[INFO] [stderr]   --> src/parser/lexer.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub struct Spanned<T> {
[INFO] [stderr]    |            ------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 24 |     pub start: Position,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 25 |     pub end: Position,
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Spanned` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/parser/lexer.rs:113:25
[INFO] [stderr]     |
[INFO] [stderr] 113 |     UnexpectedCharacter(char),
[INFO] [stderr]     |     ------------------- ^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `LexerError` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 113 -     UnexpectedCharacter(char),
[INFO] [stderr] 113 +     UnexpectedCharacter(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `matdb` (lib) generated 2 warnings
[INFO] [stderr] warning: `matdb` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/matdb-a2b025c53fc8ad44)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/matdb-fd7d78d2a31beab5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/delete.rs (/opt/rustwide/target/debug/deps/delete-6eeac4d9a1b378c4)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test delete_seeded_random has been running for over 60 seconds
[INFO] [stdout] test delete_sequnetial_decreasing has been running for over 60 seconds
[INFO] [stdout] test delete_sequnetial_rising has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "d439a9bdaeb1114e5f6130c7ba9feee1ac853e4265394ea559e32e3b45d12a29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d439a9bdaeb1114e5f6130c7ba9feee1ac853e4265394ea559e32e3b45d12a29", kill_on_drop: false }`
[INFO] [stdout] d439a9bdaeb1114e5f6130c7ba9feee1ac853e4265394ea559e32e3b45d12a29
