[INFO] fetching crate async-editor 0.1.3...
[INFO] testing async-editor-0.1.3 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate async-editor 0.1.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate async-editor 0.1.3
[INFO] finished tweaking crates.io crate async-editor 0.1.3
[INFO] tweaked toml for crates.io crate async-editor 0.1.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate async-editor 0.1.3 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate async-editor 0.1.3 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6a85e01d02af3e6437e14b029d673b0573eba72504e95c69d85e4f6ab27b670
[INFO] running `Command { std: "docker" "start" "-a" "d6a85e01d02af3e6437e14b029d673b0573eba72504e95c69d85e4f6ab27b670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6a85e01d02af3e6437e14b029d673b0573eba72504e95c69d85e4f6ab27b670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6a85e01d02af3e6437e14b029d673b0573eba72504e95c69d85e4f6ab27b670", kill_on_drop: false }`
[INFO] [stdout] d6a85e01d02af3e6437e14b029d673b0573eba72504e95c69d85e4f6ab27b670
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f24c9068a5b9bb0eb5f0d4b4f4e9a596bff3a25423fa52df95a375966adaabcf
[INFO] running `Command { std: "docker" "start" "-a" "f24c9068a5b9bb0eb5f0d4b4f4e9a596bff3a25423fa52df95a375966adaabcf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling litrs v0.4.2
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling slab v0.4.10
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling unicode-width v0.2.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling historybuffer v0.1.1
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling document-features v0.2.11
[INFO] [stderr]    Compiling convert_case v0.7.1
[INFO] [stderr]    Compiling grapheme-utils v0.1.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling derive_more v2.0.1
[INFO] [stderr]    Compiling crossterm v0.29.0
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling derive_more v1.0.0
[INFO] [stderr]    Compiling thingbuf v0.1.6
[INFO] [stderr]    Compiling async-editor v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `next_grapheme_from_idx` is never used
[INFO] [stdout]    --> src/lib.rs:686:8
[INFO] [stdout]     |
[INFO] [stdout] 237 | impl Editor {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 686 |     fn next_grapheme_from_idx(&self, idx: usize) -> &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 15.55s
[INFO] running `Command { std: "docker" "inspect" "f24c9068a5b9bb0eb5f0d4b4f4e9a596bff3a25423fa52df95a375966adaabcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f24c9068a5b9bb0eb5f0d4b4f4e9a596bff3a25423fa52df95a375966adaabcf", kill_on_drop: false }`
[INFO] [stdout] f24c9068a5b9bb0eb5f0d4b4f4e9a596bff3a25423fa52df95a375966adaabcf
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1724a3b05a87569d202913d47a2463f7bfc93b7de53a98eed767ecf500b429b1
[INFO] running `Command { std: "docker" "start" "-a" "1724a3b05a87569d202913d47a2463f7bfc93b7de53a98eed767ecf500b429b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tokio v1.47.0
[INFO] [stderr]    Compiling async-editor v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `next_grapheme_from_idx` is never used
[INFO] [stdout]    --> src/lib.rs:686:8
[INFO] [stdout]     |
[INFO] [stdout] 237 | impl Editor {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 686 |     fn next_grapheme_from_idx(&self, idx: usize) -> &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 9.54s
[INFO] running `Command { std: "docker" "inspect" "1724a3b05a87569d202913d47a2463f7bfc93b7de53a98eed767ecf500b429b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1724a3b05a87569d202913d47a2463f7bfc93b7de53a98eed767ecf500b429b1", kill_on_drop: false }`
[INFO] [stdout] 1724a3b05a87569d202913d47a2463f7bfc93b7de53a98eed767ecf500b429b1
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a3437d44169f70730404156284f60dfec13b00fb85ff0ec8986bbf4f44451468
[INFO] running `Command { std: "docker" "start" "-a" "a3437d44169f70730404156284f60dfec13b00fb85ff0ec8986bbf4f44451468", kill_on_drop: false }`
[INFO] [stderr] warning: method `next_grapheme_from_idx` is never used
[INFO] [stderr]    --> src/lib.rs:686:8
[INFO] [stderr]     |
[INFO] [stderr] 237 | impl Editor {
[INFO] [stderr]     | ----------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 686 |     fn next_grapheme_from_idx(&self, idx: usize) -> &str {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `async-editor` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/async_editor-67b567d3da0336c1)
[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" "a3437d44169f70730404156284f60dfec13b00fb85ff0ec8986bbf4f44451468", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3437d44169f70730404156284f60dfec13b00fb85ff0ec8986bbf4f44451468", kill_on_drop: false }`
[INFO] [stdout] a3437d44169f70730404156284f60dfec13b00fb85ff0ec8986bbf4f44451468