[INFO] fetching crate expandtabs-rs 0.1.0...
[INFO] testing expandtabs-rs-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate expandtabs-rs 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate expandtabs-rs 0.1.0
[INFO] finished tweaking crates.io crate expandtabs-rs 0.1.0
[INFO] tweaked toml for crates.io crate expandtabs-rs 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate expandtabs-rs 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] 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 302bc345d355814b61a468965efc2cc375c8977ced566849f92b4d442c205662
[INFO] running `Command { std: "docker" "start" "-a" "302bc345d355814b61a468965efc2cc375c8977ced566849f92b4d442c205662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "302bc345d355814b61a468965efc2cc375c8977ced566849f92b4d442c205662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "302bc345d355814b61a468965efc2cc375c8977ced566849f92b4d442c205662", kill_on_drop: false }`
[INFO] [stdout] 302bc345d355814b61a468965efc2cc375c8977ced566849f92b4d442c205662
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 2124081a362e3df5f57e21c9aa93394464fcb7f77748a8b6d6cbdeabb3fbafbd
[INFO] running `Command { std: "docker" "start" "-a" "2124081a362e3df5f57e21c9aa93394464fcb7f77748a8b6d6cbdeabb3fbafbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling expandtabs-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/lib.rs:5:28
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn expand_tabs_default(&self) -> Cow<str> {
[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] 5 |     fn expand_tabs_default(&self) -> Cow<'_, str> {
[INFO] [stdout]   |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/lib.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn expand_tabs(&self, tab_size: u16) -> Cow<str>;
[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] help: use `'_` for type paths
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn expand_tabs(&self, tab_size: u16) -> Cow<'_, str>;
[INFO] [stdout]   |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:16:20
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn expand_tabs(&self, tab_size: u16) -> Cow<str> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn expand_tabs(&self, tab_size: u16) -> Cow<'_, str> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "2124081a362e3df5f57e21c9aa93394464fcb7f77748a8b6d6cbdeabb3fbafbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2124081a362e3df5f57e21c9aa93394464fcb7f77748a8b6d6cbdeabb3fbafbd", kill_on_drop: false }`
[INFO] [stdout] 2124081a362e3df5f57e21c9aa93394464fcb7f77748a8b6d6cbdeabb3fbafbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ffcf60b46db6ab353152d9dbde465665d3f51c18d6cdfa9a36cbf3996f217a7f
[INFO] running `Command { std: "docker" "start" "-a" "ffcf60b46db6ab353152d9dbde465665d3f51c18d6cdfa9a36cbf3996f217a7f", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/lib.rs:5:28
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn expand_tabs_default(&self) -> Cow<str> {
[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] 5 |     fn expand_tabs_default(&self) -> Cow<'_, str> {
[INFO] [stdout]   |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/lib.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn expand_tabs(&self, tab_size: u16) -> Cow<str>;
[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] help: use `'_` for type paths
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn expand_tabs(&self, tab_size: u16) -> Cow<'_, str>;
[INFO] [stdout]   |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:16:20
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn expand_tabs(&self, tab_size: u16) -> Cow<str> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn expand_tabs(&self, tab_size: u16) -> Cow<'_, str> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling expandtabs-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/lib.rs:5:28
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn expand_tabs_default(&self) -> Cow<str> {
[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] 5 |     fn expand_tabs_default(&self) -> Cow<'_, str> {
[INFO] [stdout]   |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/lib.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn expand_tabs(&self, tab_size: u16) -> Cow<str>;
[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] help: use `'_` for type paths
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn expand_tabs(&self, tab_size: u16) -> Cow<'_, str>;
[INFO] [stdout]   |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:16:20
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn expand_tabs(&self, tab_size: u16) -> Cow<str> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn expand_tabs(&self, tab_size: u16) -> Cow<'_, str> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "ffcf60b46db6ab353152d9dbde465665d3f51c18d6cdfa9a36cbf3996f217a7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffcf60b46db6ab353152d9dbde465665d3f51c18d6cdfa9a36cbf3996f217a7f", kill_on_drop: false }`
[INFO] [stdout] ffcf60b46db6ab353152d9dbde465665d3f51c18d6cdfa9a36cbf3996f217a7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 03d235a1074d47b7f290859979816401c0f51fb524bcfd6d01489efbc81edc3a
[INFO] running `Command { std: "docker" "start" "-a" "03d235a1074d47b7f290859979816401c0f51fb524bcfd6d01489efbc81edc3a", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]  --> src/lib.rs:5:28
[INFO] [stderr]   |
[INFO] [stderr] 5 |     fn expand_tabs_default(&self) -> Cow<str> {
[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] 5 |     fn expand_tabs_default(&self) -> Cow<'_, str> {
[INFO] [stderr]   |                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]  --> src/lib.rs:9:20
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn expand_tabs(&self, tab_size: u16) -> Cow<str>;
[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] help: use `'_` for type paths
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn expand_tabs(&self, tab_size: u16) -> Cow<'_, str>;
[INFO] [stderr]   |                                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/lib.rs:16:20
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn expand_tabs(&self, tab_size: u16) -> Cow<str> {
[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] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn expand_tabs(&self, tab_size: u16) -> Cow<'_, str> {
[INFO] [stderr]    |                                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: `expandtabs-rs` (lib) generated 3 warnings (run `cargo fix --lib -p expandtabs-rs` to apply 3 suggestions)
[INFO] [stderr] warning: `expandtabs-rs` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/expandtabs_rs-72e4bde0930a981e)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::test_default_tab_size_works ... ok
[INFO] [stderr]    Doc-tests expandtabs_rs
[INFO] [stdout] test tests::test_expand_multiple_tabs_works ... ok
[INFO] [stdout] test tests::test_tab_size_of_four_works ... ok
[INFO] [stdout] test tests::test_tab_size_of_nine_works ... ok
[INFO] [stdout] test tests::test_tab_at_position_larger_than_tab_size_works ... ok
[INFO] [stdout] test tests::test_tab_size_of_two_works ... ok
[INFO] [stdout] test tests::test_tab_size_of_zero_works ... ok
[INFO] [stdout] test tests::test_tab_size_of_one_works ... ok
[INFO] [stdout] test tests::test_tab_size_of_three_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "03d235a1074d47b7f290859979816401c0f51fb524bcfd6d01489efbc81edc3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03d235a1074d47b7f290859979816401c0f51fb524bcfd6d01489efbc81edc3a", kill_on_drop: false }`
[INFO] [stdout] 03d235a1074d47b7f290859979816401c0f51fb524bcfd6d01489efbc81edc3a
