[INFO] fetching crate ravencol 0.1.4...
[INFO] testing ravencol-0.1.4 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate ravencol 0.1.4 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate ravencol 0.1.4
[INFO] finished tweaking crates.io crate ravencol 0.1.4
[INFO] tweaked toml for crates.io crate ravencol 0.1.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ravencol 0.1.4 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ravencol 0.1.4 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84f5b03c634d66d5b511bb38a8eb90d4a3673a853d3e3e05575250471bc99f88
[INFO] running `Command { std: "docker" "start" "-a" "84f5b03c634d66d5b511bb38a8eb90d4a3673a853d3e3e05575250471bc99f88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84f5b03c634d66d5b511bb38a8eb90d4a3673a853d3e3e05575250471bc99f88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84f5b03c634d66d5b511bb38a8eb90d4a3673a853d3e3e05575250471bc99f88", kill_on_drop: false }`
[INFO] [stdout] 84f5b03c634d66d5b511bb38a8eb90d4a3673a853d3e3e05575250471bc99f88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72a19db94ee006d1cb81cc5596948b7fe844f3653dab80b1d797aa80d5ac8921
[INFO] running `Command { std: "docker" "start" "-a" "72a19db94ee006d1cb81cc5596948b7fe844f3653dab80b1d797aa80d5ac8921", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling ravencol v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:379:19
[INFO] [stdout]     |
[INFO] [stdout] 379 |     pub fn column(&self, column: &str) -> Result<impl Iterator<Item=Datum> + '_,Box<dyn Error>>{
[INFO] [stdout]     |                   ^^^^^                                             ^^^^^    ^^ the same lifetime is elided here
[INFO] [stdout]     |                   |                                                 |
[INFO] [stdout]     |                   the lifetime is elided here                       the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 379 |     pub fn column(&self, column: &str) -> Result<impl Iterator<Item=Datum<'_>> + '_,Box<dyn Error>>{
[INFO] [stdout]     |                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.81s
[INFO] running `Command { std: "docker" "inspect" "72a19db94ee006d1cb81cc5596948b7fe844f3653dab80b1d797aa80d5ac8921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72a19db94ee006d1cb81cc5596948b7fe844f3653dab80b1d797aa80d5ac8921", kill_on_drop: false }`
[INFO] [stdout] 72a19db94ee006d1cb81cc5596948b7fe844f3653dab80b1d797aa80d5ac8921
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f23e406fda51d1055a25e83466afdb4fb11bda69aaa71e5ed50f435d325433e5
[INFO] running `Command { std: "docker" "start" "-a" "f23e406fda51d1055a25e83466afdb4fb11bda69aaa71e5ed50f435d325433e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling ravencol v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:379:19
[INFO] [stdout]     |
[INFO] [stdout] 379 |     pub fn column(&self, column: &str) -> Result<impl Iterator<Item=Datum> + '_,Box<dyn Error>>{
[INFO] [stdout]     |                   ^^^^^                                             ^^^^^    ^^ the same lifetime is elided here
[INFO] [stdout]     |                   |                                                 |
[INFO] [stdout]     |                   the lifetime is elided here                       the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 379 |     pub fn column(&self, column: &str) -> Result<impl Iterator<Item=Datum<'_>> + '_,Box<dyn Error>>{
[INFO] [stdout]     |                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:379:19
[INFO] [stdout]     |
[INFO] [stdout] 379 |     pub fn column(&self, column: &str) -> Result<impl Iterator<Item=Datum> + '_,Box<dyn Error>>{
[INFO] [stdout]     |                   ^^^^^                                             ^^^^^    ^^ the same lifetime is elided here
[INFO] [stdout]     |                   |                                                 |
[INFO] [stdout]     |                   the lifetime is elided here                       the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 379 |     pub fn column(&self, column: &str) -> Result<impl Iterator<Item=Datum<'_>> + '_,Box<dyn Error>>{
[INFO] [stdout]     |                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "f23e406fda51d1055a25e83466afdb4fb11bda69aaa71e5ed50f435d325433e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f23e406fda51d1055a25e83466afdb4fb11bda69aaa71e5ed50f435d325433e5", kill_on_drop: false }`
[INFO] [stdout] f23e406fda51d1055a25e83466afdb4fb11bda69aaa71e5ed50f435d325433e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9464bc045021466ecf7ea3d19b1bc60769c251f786cd7d8c62495dabac67b59b
[INFO] running `Command { std: "docker" "start" "-a" "9464bc045021466ecf7ea3d19b1bc60769c251f786cd7d8c62495dabac67b59b", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:379:19
[INFO] [stderr]     |
[INFO] [stderr] 379 |     pub fn column(&self, column: &str) -> Result<impl Iterator<Item=Datum> + '_,Box<dyn Error>>{
[INFO] [stderr]     |                   ^^^^^                                             ^^^^^    ^^ the same lifetime is elided here
[INFO] [stderr]     |                   |                                                 |
[INFO] [stderr]     |                   the lifetime is elided here                       the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 379 |     pub fn column(&self, column: &str) -> Result<impl Iterator<Item=Datum<'_>> + '_,Box<dyn Error>>{
[INFO] [stderr]     |                                                                          ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `ravencol` (lib) generated 1 warning (run `cargo fix --lib -p ravencol` to apply 1 suggestion)
[INFO] [stderr] warning: `ravencol` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ravencol-8590dca0b800c0c2)
[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/ravencol-505fefb8544cfe3c)
[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/columns_test.rs (/opt/rustwide/target/debug/deps/columns_test-f4eb06e7f4bf7592)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test columns_test ... ok
[INFO] [stdout] test fil_col_test ... ok
[INFO] [stdout] test full_col_test ... ok
[INFO] [stdout] test fil_col_test_b ... ok
[INFO] [stdout] test imp_col_test_b ... ok
[INFO] [stdout] test type_col_test ... ok
[INFO] [stdout] test row_test ... ok
[INFO] [stdout] test index_test ... ok
[INFO] [stdout] test imp_col_test ... ok
[INFO] [stdout] test type_col_test_b ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ravencol
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test src/lib.rs - (line 173) ... ignored
[INFO] [stdout] test src/lib.rs - (line 40) - compile ... ok
[INFO] [stdout] test src/lib.rs - RawFrame::column (line 364) ... ok
[INFO] [stdout] test src/lib.rs - (line 23) ... ok
[INFO] [stdout] test src/lib.rs - RawFrame::min_num_fil (line 575) ... ok
[INFO] [stdout] test src/lib.rs - RawFrame::max_num_fil (line 539) ... ok
[INFO] [stdout] test src/lib.rs - RawFrame::col_index (line 326) ... ok
[INFO] [stdout] test src/lib.rs - (line 147) ... ok
[INFO] [stdout] test src/lib.rs - (line 100) ... ok
[INFO] [stdout] test src/lib.rs - RawFrame::col_fil (line 455) ... ok
[INFO] [stdout] test src/lib.rs - RawFrame::extent_num_fil (line 611) ... ok
[INFO] [stdout] test src/lib.rs - RawFrame::column_major_vector (line 946) ... ok
[INFO] [stdout] test src/lib.rs - (line 81) ... ok
[INFO] [stdout] test src/lib.rs - RawFrame::from_os_string (line 278) ... ok
[INFO] [stdout] test src/lib.rs - (line 119) ... ok
[INFO] [stdout] test src/lib.rs - (line 137) ... ok
[INFO] [stdout] test src/lib.rs - RawFrame::col_type (line 409) ... ok
[INFO] [stdout] test src/lib.rs - RawFrame::col_imp (line 498) ... ok
[INFO] [stdout] test src/lib.rs - RawFrame::pair_col_fil_sorted (line 868) ... ok
[INFO] [stdout] test src/lib.rs - RawFrame::slice_col_imp (line 769) ... ok
[INFO] [stdout] test src/lib.rs - RawFrame::pair_col_imp (line 711) ... ok
[INFO] [stdout] test src/lib.rs - RawFrame::slice_col_fil (line 814) ... ok
[INFO] [stdout] test src/lib.rs - RawFrame::row_major_vector (line 984) ... ok
[INFO] [stdout] test src/lib.rs - RawFrame::pair_col_fil (line 648) ... ok
[INFO] [stdout] test src/lib.rs - RawFrame::pair_col_imp_sorted (line 908) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 1.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9464bc045021466ecf7ea3d19b1bc60769c251f786cd7d8c62495dabac67b59b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9464bc045021466ecf7ea3d19b1bc60769c251f786cd7d8c62495dabac67b59b", kill_on_drop: false }`
[INFO] [stdout] 9464bc045021466ecf7ea3d19b1bc60769c251f786cd7d8c62495dabac67b59b
