[INFO] fetching crate indexed_string 0.1.0... [INFO] testing indexed_string-0.1.0 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate indexed_string 0.1.0 into /workspace/builds/worker-78/source [INFO] validating manifest of crates.io crate indexed_string 0.1.0 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-78/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c7ca3fa869d9d8305fe5568b37fc85c552d69e44ebeaf5bcd14ee42e7e0c294b [INFO] running `Command { std: "docker" "start" "-a" "c7ca3fa869d9d8305fe5568b37fc85c552d69e44ebeaf5bcd14ee42e7e0c294b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c7ca3fa869d9d8305fe5568b37fc85c552d69e44ebeaf5bcd14ee42e7e0c294b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c7ca3fa869d9d8305fe5568b37fc85c552d69e44ebeaf5bcd14ee42e7e0c294b", kill_on_drop: false }` [INFO] [stdout] c7ca3fa869d9d8305fe5568b37fc85c552d69e44ebeaf5bcd14ee42e7e0c294b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6f0210f4411e6e68549e3b6103d1e0e354b6baded0b47db3da5207c447ed0f47 [INFO] running `Command { std: "docker" "start" "-a" "6f0210f4411e6e68549e3b6103d1e0e354b6baded0b47db3da5207c447ed0f47", 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: associated function is never used: `utf8_char` [INFO] [stdout] --> src/indexing.rs:52:12 [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: associated function is never used: `string` [INFO] [stdout] --> src/indexed_string.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | fn string(&self) -> String { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.03s [INFO] running `Command { std: "docker" "inspect" "6f0210f4411e6e68549e3b6103d1e0e354b6baded0b47db3da5207c447ed0f47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f0210f4411e6e68549e3b6103d1e0e354b6baded0b47db3da5207c447ed0f47", kill_on_drop: false }` [INFO] [stdout] 6f0210f4411e6e68549e3b6103d1e0e354b6baded0b47db3da5207c447ed0f47 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3f0aad5bce2059cd4e36eda166825202da8a9ccd662d48f739545882a18570cc [INFO] running `Command { std: "docker" "start" "-a" "3f0aad5bce2059cd4e36eda166825202da8a9ccd662d48f739545882a18570cc", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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: associated function is never used: `utf8_char` [INFO] [stdout] --> src/indexing.rs:52:12 [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: associated function is never used: `string` [INFO] [stdout] --> src/indexed_string.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | fn string(&self) -> String { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [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: associated function is never used: `string` [INFO] [stdout] --> src/indexed_string.rs:19:8 [INFO] [stdout] | [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] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.99s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/indexed_string-b74a2a7e4a1f7b5b) [INFO] running `Command { std: "docker" "inspect" "3f0aad5bce2059cd4e36eda166825202da8a9ccd662d48f739545882a18570cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f0aad5bce2059cd4e36eda166825202da8a9ccd662d48f739545882a18570cc", kill_on_drop: false }` [INFO] [stdout] 3f0aad5bce2059cd4e36eda166825202da8a9ccd662d48f739545882a18570cc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8976cd358e957c3687b36ec89842f8343afb8522980e64f3d7ebe507158bc52b [INFO] running `Command { std: "docker" "start" "-a" "8976cd358e957c3687b36ec89842f8343afb8522980e64f3d7ebe507158bc52b", 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: associated function is never used: `utf8_char` [INFO] [stderr] --> src/indexing.rs:52:12 [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: associated function is never used: `string` [INFO] [stderr] --> src/indexed_string.rs:19:8 [INFO] [stderr] | [INFO] [stderr] 19 | fn string(&self) -> String { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `indexed_string` (lib) generated 5 warnings [INFO] [stderr] warning: associated function is never used: `string` [INFO] [stderr] --> src/indexed_string.rs:19:8 [INFO] [stderr] | [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 [unoptimized + debuginfo] target(s) in 4.39s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/indexed_string-b74a2a7e4a1f7b5b) [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test indexed_string_test::access_indexed_string ... 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] test indexed_string_test::iterator_over_indexed_string ... ok [INFO] [stdout] test indexing_test::test_unicode_index ... ok [INFO] [stdout] test indexed_string_test::mutating_index_string ... ok [INFO] [stdout] test indexing_test::test_unicode_string ... ok [INFO] [stdout] test indexing_test::test_null_string ... 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" "8976cd358e957c3687b36ec89842f8343afb8522980e64f3d7ebe507158bc52b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8976cd358e957c3687b36ec89842f8343afb8522980e64f3d7ebe507158bc52b", kill_on_drop: false }` [INFO] [stdout] 8976cd358e957c3687b36ec89842f8343afb8522980e64f3d7ebe507158bc52b