[INFO] fetching crate excel_xmlwriter 0.1.0...
[INFO] testing excel_xmlwriter-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate excel_xmlwriter 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate excel_xmlwriter 0.1.0
[INFO] finished tweaking crates.io crate excel_xmlwriter 0.1.0
[INFO] tweaked toml for crates.io crate excel_xmlwriter 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate excel_xmlwriter 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f452ebdea3bdee3f7f85559fe02eb0f38e7db858ba8e24d2903f09ad060b8f8
[INFO] running `Command { std: "docker" "start" "-a" "2f452ebdea3bdee3f7f85559fe02eb0f38e7db858ba8e24d2903f09ad060b8f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f452ebdea3bdee3f7f85559fe02eb0f38e7db858ba8e24d2903f09ad060b8f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f452ebdea3bdee3f7f85559fe02eb0f38e7db858ba8e24d2903f09ad060b8f8", kill_on_drop: false }`
[INFO] [stdout] 2f452ebdea3bdee3f7f85559fe02eb0f38e7db858ba8e24d2903f09ad060b8f8
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e19adc21a81a1fc508769803f3373e94927f67a2dff4fe8a5e7ba0d2e841dfb
[INFO] running `Command { std: "docker" "start" "-a" "8e19adc21a81a1fc508769803f3373e94927f67a2dff4fe8a5e7ba0d2e841dfb", kill_on_drop: false }`
[INFO] [stderr]    Compiling excel_xmlwriter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:55:25
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn new(xmlfile: &File) -> XMLWriter {
[INFO] [stdout]    |                         ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is elided 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] 55 |     pub fn new(xmlfile: &File) -> XMLWriter<'_> {
[INFO] [stdout]    |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "8e19adc21a81a1fc508769803f3373e94927f67a2dff4fe8a5e7ba0d2e841dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e19adc21a81a1fc508769803f3373e94927f67a2dff4fe8a5e7ba0d2e841dfb", kill_on_drop: false }`
[INFO] [stdout] 8e19adc21a81a1fc508769803f3373e94927f67a2dff4fe8a5e7ba0d2e841dfb
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8694e55a4f9c9194837c1d1dbc75a108729af3d8c843eec44e733aa46a6f9929
[INFO] running `Command { std: "docker" "start" "-a" "8694e55a4f9c9194837c1d1dbc75a108729af3d8c843eec44e733aa46a6f9929", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:55:25
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn new(xmlfile: &File) -> XMLWriter {
[INFO] [stdout]    |                         ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is elided 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] 55 |     pub fn new(xmlfile: &File) -> XMLWriter<'_> {
[INFO] [stdout]    |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling pretty_assertions v1.4.1
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling excel_xmlwriter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:55:25
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn new(xmlfile: &File) -> XMLWriter {
[INFO] [stdout]    |                         ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is elided 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] 55 |     pub fn new(xmlfile: &File) -> XMLWriter<'_> {
[INFO] [stdout]    |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.95s
[INFO] running `Command { std: "docker" "inspect" "8694e55a4f9c9194837c1d1dbc75a108729af3d8c843eec44e733aa46a6f9929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8694e55a4f9c9194837c1d1dbc75a108729af3d8c843eec44e733aa46a6f9929", kill_on_drop: false }`
[INFO] [stdout] 8694e55a4f9c9194837c1d1dbc75a108729af3d8c843eec44e733aa46a6f9929
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5c8d26ffa1ba19229273f31e2b9a49d494f6fe73869c0c19ee56f9f749a352a4
[INFO] running `Command { std: "docker" "start" "-a" "5c8d26ffa1ba19229273f31e2b9a49d494f6fe73869c0c19ee56f9f749a352a4", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/lib.rs:55:25
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn new(xmlfile: &File) -> XMLWriter {
[INFO] [stderr]    |                         ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                         |
[INFO] [stderr]    |                         the lifetime is elided 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] 55 |     pub fn new(xmlfile: &File) -> XMLWriter<'_> {
[INFO] [stderr]    |                                            ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `excel_xmlwriter` (lib) generated 1 warning (run `cargo fix --lib -p excel_xmlwriter` to apply 1 suggestion)
[INFO] [stderr] warning: `excel_xmlwriter` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/excel_xmlwriter-312fec845b8ea125)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::test_xml_data_element ... ok
[INFO] [stdout] test tests::test_xml_data_element_with_escapes ... ok
[INFO] [stdout] test tests::test_xml_empty_tag ... ok
[INFO] [stdout] test tests::test_xml_data_element_with_attributes ... ok
[INFO] [stdout] test tests::test_xml_empty_tag_with_attributes ... ok
[INFO] [stdout] test tests::test_xml_declaration ... ok
[INFO] [stdout] test tests::test_xml_formula_element ... ok
[INFO] [stdout] test tests::test_xml_si_element ... ok
[INFO] [stdout] test tests::test_xml_rich_si_element ... ok
[INFO] [stdout] test tests::test_xml_end_tag ... ok
[INFO] [stdout] test tests::test_xml_number_element ... ok
[INFO] [stdout] test tests::test_xml_start_tag ... ok
[INFO] [stderr]    Doc-tests excel_xmlwriter
[INFO] [stdout] test tests::test_xml_string_element ... ok
[INFO] [stdout] test tests::test_xml_start_tag_with_attributes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - XMLWriter<'a>::xml_declaration (line 60) ... FAILED
[INFO] [stdout] test src/lib.rs - XMLWriter<'a>::new (line 44) ... FAILED
[INFO] [stdout] test src/lib.rs - XMLWriter<'a>::xml_data_element (line 157) ... FAILED
[INFO] [stdout] test src/lib.rs - XMLWriter<'a>::xml_empty_tag (line 130) ... FAILED
[INFO] [stdout] test src/lib.rs - XMLWriter<'a>::xml_start_tag (line 83) ... FAILED
[INFO] [stdout] test src/lib.rs - XMLWriter<'a>::xml_end_tag (line 110) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 10) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - XMLWriter<'a>::xml_declaration (line 60) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - XMLWriter<'a>::new (line 44) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - XMLWriter<'a>::xml_data_element (line 157) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - XMLWriter<'a>::xml_empty_tag (line 130) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - XMLWriter<'a>::xml_start_tag (line 83) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - XMLWriter<'a>::xml_end_tag (line 110) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 10) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 10)
[INFO] [stdout]     src/lib.rs - XMLWriter<'a>::new (line 44)
[INFO] [stdout]     src/lib.rs - XMLWriter<'a>::xml_data_element (line 157)
[INFO] [stdout]     src/lib.rs - XMLWriter<'a>::xml_declaration (line 60)
[INFO] [stdout]     src/lib.rs - XMLWriter<'a>::xml_empty_tag (line 130)
[INFO] [stdout]     src/lib.rs - XMLWriter<'a>::xml_end_tag (line 110)
[INFO] [stdout]     src/lib.rs - XMLWriter<'a>::xml_start_tag (line 83)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 7 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.45s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "5c8d26ffa1ba19229273f31e2b9a49d494f6fe73869c0c19ee56f9f749a352a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c8d26ffa1ba19229273f31e2b9a49d494f6fe73869c0c19ee56f9f749a352a4", kill_on_drop: false }`
[INFO] [stdout] 5c8d26ffa1ba19229273f31e2b9a49d494f6fe73869c0c19ee56f9f749a352a4