[INFO] fetching crate indexed_string 0.1.0... [INFO] testing indexed_string-0.1.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1 [INFO] extracting crate indexed_string 0.1.0 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate indexed_string 0.1.0 [INFO] finished tweaking crates.io crate indexed_string 0.1.0 [INFO] tweaked toml for crates.io crate indexed_string 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate indexed_string 0.1.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ef0dd820e3181a33e5dc28c6cf9915adaf2328c0c95086821818d90d9653180c [INFO] running `Command { std: "docker" "start" "-a" "ef0dd820e3181a33e5dc28c6cf9915adaf2328c0c95086821818d90d9653180c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ef0dd820e3181a33e5dc28c6cf9915adaf2328c0c95086821818d90d9653180c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef0dd820e3181a33e5dc28c6cf9915adaf2328c0c95086821818d90d9653180c", kill_on_drop: false }` [INFO] [stdout] ef0dd820e3181a33e5dc28c6cf9915adaf2328c0c95086821818d90d9653180c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7b426cba09acf394ee2c001b2b5ec85c88c1c133cf5c9dd41fa32e964557fcda [INFO] running `Command { std: "docker" "start" "-a" "7b426cba09acf394ee2c001b2b5ec85c88c1c133cf5c9dd41fa32e964557fcda", kill_on_drop: false }` [INFO] [stderr] Compiling indexed_string v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/indexing.rs:171:13 [INFO] [stdout] | [INFO] [stdout] 171 | let mut character_len: u8; [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/indexing.rs:172:13 [INFO] [stdout] | [INFO] [stdout] 172 | let mut extra_variation_selector: Option<[u8; 3]>; [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/indexing.rs:173:13 [INFO] [stdout] | [INFO] [stdout] 173 | let mut raw_len: u8; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `utf8_char` is never used [INFO] [stdout] --> src/indexing.rs:52:12 [INFO] [stdout] | [INFO] [stdout] 27 | impl StringIndex { [INFO] [stdout] | ---------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 52 | pub fn utf8_char(&self) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `string` is never used [INFO] [stdout] --> src/indexed_string.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 18 | impl IndexedString { [INFO] [stdout] | ------------------ method in this implementation [INFO] [stdout] 19 | fn string(&self) -> String { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s [INFO] running `Command { std: "docker" "inspect" "7b426cba09acf394ee2c001b2b5ec85c88c1c133cf5c9dd41fa32e964557fcda", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b426cba09acf394ee2c001b2b5ec85c88c1c133cf5c9dd41fa32e964557fcda", kill_on_drop: false }` [INFO] [stdout] 7b426cba09acf394ee2c001b2b5ec85c88c1c133cf5c9dd41fa32e964557fcda [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 953a524ebd91fb432bcad7c3351060b92d697bcd39e0e407ccfe43d022f854fa [INFO] running `Command { std: "docker" "start" "-a" "953a524ebd91fb432bcad7c3351060b92d697bcd39e0e407ccfe43d022f854fa", kill_on_drop: false }` [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/indexing.rs:171:13 [INFO] [stdout] | [INFO] [stdout] 171 | let mut character_len: u8; [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/indexing.rs:172:13 [INFO] [stdout] | [INFO] [stdout] 172 | let mut extra_variation_selector: Option<[u8; 3]>; [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/indexing.rs:173:13 [INFO] [stdout] | [INFO] [stdout] 173 | let mut raw_len: u8; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `utf8_char` is never used [INFO] [stdout] --> src/indexing.rs:52:12 [INFO] [stdout] | [INFO] [stdout] 27 | impl StringIndex { [INFO] [stdout] | ---------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 52 | pub fn utf8_char(&self) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `string` is never used [INFO] [stdout] --> src/indexed_string.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 18 | impl IndexedString { [INFO] [stdout] | ------------------ method in this implementation [INFO] [stdout] 19 | fn string(&self) -> String { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling indexed_string v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/indexing.rs:171:13 [INFO] [stdout] | [INFO] [stdout] 171 | let mut character_len: u8; [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/indexing.rs:172:13 [INFO] [stdout] | [INFO] [stdout] 172 | let mut extra_variation_selector: Option<[u8; 3]>; [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/indexing.rs:173:13 [INFO] [stdout] | [INFO] [stdout] 173 | let mut raw_len: u8; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `string` is never used [INFO] [stdout] --> src/indexed_string.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 18 | impl IndexedString { [INFO] [stdout] | ------------------ method in this implementation [INFO] [stdout] 19 | fn string(&self) -> String { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s [INFO] running `Command { std: "docker" "inspect" "953a524ebd91fb432bcad7c3351060b92d697bcd39e0e407ccfe43d022f854fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "953a524ebd91fb432bcad7c3351060b92d697bcd39e0e407ccfe43d022f854fa", kill_on_drop: false }` [INFO] [stdout] 953a524ebd91fb432bcad7c3351060b92d697bcd39e0e407ccfe43d022f854fa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 11cdd97e1a05a4fe53e9a8a0472d2eec27a77e10836af4e11a52fc6afc7eacb6 [INFO] running `Command { std: "docker" "start" "-a" "11cdd97e1a05a4fe53e9a8a0472d2eec27a77e10836af4e11a52fc6afc7eacb6", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/indexing.rs:171:13 [INFO] [stderr] | [INFO] [stderr] 171 | let mut character_len: u8; [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/indexing.rs:172:13 [INFO] [stderr] | [INFO] [stderr] 172 | let mut extra_variation_selector: Option<[u8; 3]>; [INFO] [stderr] | ----^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/indexing.rs:173:13 [INFO] [stderr] | [INFO] [stderr] 173 | let mut raw_len: u8; [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method `utf8_char` is never used [INFO] [stderr] --> src/indexing.rs:52:12 [INFO] [stderr] | [INFO] [stderr] 27 | impl StringIndex { [INFO] [stderr] | ---------------- method in this implementation [INFO] [stderr] ... [INFO] [stderr] 52 | pub fn utf8_char(&self) -> String { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method `string` is never used [INFO] [stderr] --> src/indexed_string.rs:19:8 [INFO] [stderr] | [INFO] [stderr] 18 | impl IndexedString { [INFO] [stderr] | ------------------ method in this implementation [INFO] [stderr] 19 | fn string(&self) -> String { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `indexed_string` (lib) generated 5 warnings (run `cargo fix --lib -p indexed_string` to apply 3 suggestions) [INFO] [stderr] warning: method `string` is never used [INFO] [stderr] --> src/indexed_string.rs:19:8 [INFO] [stderr] | [INFO] [stderr] 18 | impl IndexedString { [INFO] [stderr] | ------------------ method in this implementation [INFO] [stderr] 19 | fn string(&self) -> String { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `indexed_string` (lib test) generated 4 warnings (3 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/indexed_string-7f1a6f2c7fa095d1) [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test indexed_string_test::access_indexed_string ... ok [INFO] [stdout] test indexed_string_test::iterator_over_indexed_string ... ok [INFO] [stdout] test indexing_test::test_null_string ... ok [INFO] [stdout] test indexing_test::test_unicode_string ... ok [INFO] [stdout] test indexed_string_test::mutating_index_string ... ok [INFO] [stdout] test indexing_test::test_unicode_index ... ok [INFO] [stdout] test indexed_string_test::create_indexed_string ... ok [INFO] [stdout] test indexed_string_test::create_indexed_string_with_unicode ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests indexed_string [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" "11cdd97e1a05a4fe53e9a8a0472d2eec27a77e10836af4e11a52fc6afc7eacb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11cdd97e1a05a4fe53e9a8a0472d2eec27a77e10836af4e11a52fc6afc7eacb6", kill_on_drop: false }` [INFO] [stdout] 11cdd97e1a05a4fe53e9a8a0472d2eec27a77e10836af4e11a52fc6afc7eacb6