[INFO] fetching crate string_iter 0.1.0...
[INFO] testing string_iter-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate string_iter 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate string_iter 0.1.0
[INFO] finished tweaking crates.io crate string_iter 0.1.0
[INFO] tweaked toml for crates.io crate string_iter 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate string_iter 0.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 69 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.7.0)
[INFO] [stderr]       Adding itertools v0.11.0 (available: v0.14.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded oorandom v11.1.5
[INFO] [stderr]   Downloaded is-terminal v0.4.17
[INFO] [stderr]   Downloaded plotters-svg v0.3.7
[INFO] [stderr]   Downloaded cast v0.3.0
[INFO] [stderr]   Downloaded hermit-abi v0.5.2
[INFO] [stderr]   Downloaded criterion-plot v0.5.0
[INFO] [stderr]   Downloaded anes v0.1.6
[INFO] [stderr]   Downloaded anstyle v1.0.13
[INFO] [stderr]   Downloaded half v2.7.1
[INFO] [stderr]   Downloaded clap v4.5.51
[INFO] [stderr]   Downloaded criterion v0.5.1
[INFO] [stderr]   Downloaded clap_lex v0.7.6
[INFO] [stderr]   Downloaded plotters-backend v0.3.7
[INFO] [stderr]   Downloaded plotters v0.3.7
[INFO] [stderr]   Downloaded clap_builder v4.5.51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 246521052fd8b23b75aa0d24d7f361035664d1afb538bb58be5569918c7cc03f
[INFO] running `Command { std: "docker" "start" "-a" "246521052fd8b23b75aa0d24d7f361035664d1afb538bb58be5569918c7cc03f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "246521052fd8b23b75aa0d24d7f361035664d1afb538bb58be5569918c7cc03f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "246521052fd8b23b75aa0d24d7f361035664d1afb538bb58be5569918c7cc03f", kill_on_drop: false }`
[INFO] [stdout] 246521052fd8b23b75aa0d24d7f361035664d1afb538bb58be5569918c7cc03f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fe46929d4839a7b9180f0861cd426bec6bf1c65b92edfec70ad77cedd621a2b
[INFO] running `Command { std: "docker" "start" "-a" "3fe46929d4839a7b9180f0861cd426bec6bf1c65b92edfec70ad77cedd621a2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling string_iter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `slice_front_ptr` and `slice_back_ptr` are never used
[INFO] [stdout]    --> src/lib.rs:332:15
[INFO] [stdout]     |
[INFO] [stdout] 304 | impl<'t> StringIter<'t> {
[INFO] [stdout]     | ----------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 332 |     unsafe fn slice_front_ptr(&self, ptr: *const u8) -> &'t str{
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 337 |     unsafe fn slice_back_ptr(&self, ptr: *const u8) -> &'t str{
[INFO] [stdout]     |               ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "3fe46929d4839a7b9180f0861cd426bec6bf1c65b92edfec70ad77cedd621a2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fe46929d4839a7b9180f0861cd426bec6bf1c65b92edfec70ad77cedd621a2b", kill_on_drop: false }`
[INFO] [stdout] 3fe46929d4839a7b9180f0861cd426bec6bf1c65b92edfec70ad77cedd621a2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e755d6adae7ad1be85bbd59813f3e6c93753a6431459a61cd462f3bd3d644315
[INFO] running `Command { std: "docker" "start" "-a" "e755d6adae7ad1be85bbd59813f3e6c93753a6431459a61cd462f3bd3d644315", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling clap_lex v0.7.6
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling clap_builder v4.5.51
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stdout] warning: methods `slice_front_ptr` and `slice_back_ptr` are never used
[INFO] [stdout]    --> src/lib.rs:332:15
[INFO] [stdout]     |
[INFO] [stdout] 304 | impl<'t> StringIter<'t> {
[INFO] [stdout]     | ----------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 332 |     unsafe fn slice_front_ptr(&self, ptr: *const u8) -> &'t str{
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 337 |     unsafe fn slice_back_ptr(&self, ptr: *const u8) -> &'t str{
[INFO] [stdout]     |               ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling is-terminal v0.4.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling clap v4.5.51
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling string_iter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `slice_front_ptr` and `slice_back_ptr` are never used
[INFO] [stdout]    --> src/lib.rs:332:15
[INFO] [stdout]     |
[INFO] [stdout] 304 | impl<'t> StringIter<'t> {
[INFO] [stdout]     | ----------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 332 |     unsafe fn slice_front_ptr(&self, ptr: *const u8) -> &'t str{
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 337 |     unsafe fn slice_back_ptr(&self, ptr: *const u8) -> &'t str{
[INFO] [stdout]     |               ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 22.64s
[INFO] running `Command { std: "docker" "inspect" "e755d6adae7ad1be85bbd59813f3e6c93753a6431459a61cd462f3bd3d644315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e755d6adae7ad1be85bbd59813f3e6c93753a6431459a61cd462f3bd3d644315", kill_on_drop: false }`
[INFO] [stdout] e755d6adae7ad1be85bbd59813f3e6c93753a6431459a61cd462f3bd3d644315
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 93b04b2ec06125580642193f34f5db62212d823acda5d3c0066bf30ec57bf88d
[INFO] running `Command { std: "docker" "start" "-a" "93b04b2ec06125580642193f34f5db62212d823acda5d3c0066bf30ec57bf88d", kill_on_drop: false }`
[INFO] [stderr] warning: methods `slice_front_ptr` and `slice_back_ptr` are never used
[INFO] [stderr]    --> src/lib.rs:332:15
[INFO] [stderr]     |
[INFO] [stderr] 304 | impl<'t> StringIter<'t> {
[INFO] [stderr]     | ----------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 332 |     unsafe fn slice_front_ptr(&self, ptr: *const u8) -> &'t str{
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 337 |     unsafe fn slice_back_ptr(&self, ptr: *const u8) -> &'t str{
[INFO] [stderr]     |               ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `string_iter` (lib) generated 1 warning
[INFO] [stderr] warning: `string_iter` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/string_iter-e5c803c6c61c1cc2)
[INFO] [stderr]      Running tests/iter.rs (/opt/rustwide/target/debug/deps/iter-23547ccc2ea4edcd)
[INFO] [stdout] test peekn_test ... ok
[INFO] [stdout] test peek_test ... ok
[INFO] [stdout] test empty_test ... ok
[INFO] [stdout] test iter_join_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/split.rs (/opt/rustwide/target/debug/deps/split-c1aba76ea37075b4)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test interval_test ... ok
[INFO] [stdout] test split_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests string_iter
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/lib.rs - (line 29) ... ok
[INFO] [stdout] test src/string_ext.rs - string_ext::StringExt::merge (line 131) ... ok
[INFO] [stdout] test src/string_ext.rs - string_ext::StringExt::merge (line 143) ... ok
[INFO] [stdout] test src/lib.rs - (line 82) ... ok
[INFO] [stdout] test src/string_ext.rs - string_ext::StringExt::merge (line 152) ... ok
[INFO] [stdout] test src/lib.rs - (line 64) ... ok
[INFO] [stdout] test src/lib.rs - prelude (line 266) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] test src/lib.rs - (line 41) ... ok
[INFO] [stdout] test src/lib.rs - (line 168) ... ok
[INFO] [stdout] test src/string_ext.rs - string_ext::StringExt::merge (line 161) ... ok
[INFO] [stdout] test src/merge.rs - merge::Merge::merge_by (line 41) ... ok
[INFO] [stdout] test src/lib.rs - (line 187) ... ok
[INFO] [stdout] test src/lib.rs - (line 51) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.65s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "93b04b2ec06125580642193f34f5db62212d823acda5d3c0066bf30ec57bf88d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93b04b2ec06125580642193f34f5db62212d823acda5d3c0066bf30ec57bf88d", kill_on_drop: false }`
[INFO] [stdout] 93b04b2ec06125580642193f34f5db62212d823acda5d3c0066bf30ec57bf88d