[INFO] fetching crate ductility 0.1.15...
[INFO] testing ductility-0.1.15 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate ductility 0.1.15 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate ductility 0.1.15
[INFO] finished tweaking crates.io crate ductility 0.1.15
[INFO] tweaked toml for crates.io crate ductility 0.1.15 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ductility 0.1.15 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 36 packages to latest compatible versions
[INFO] [stderr]       Adding getrandom v0.2.16 (available: v0.3.4)
[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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded minicov v0.3.7
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.55
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7022b02e624b03988849a0c2028541cf4655ae9d04b26743626c5422afbcbebd
[INFO] running `Command { std: "docker" "start" "-a" "7022b02e624b03988849a0c2028541cf4655ae9d04b26743626c5422afbcbebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7022b02e624b03988849a0c2028541cf4655ae9d04b26743626c5422afbcbebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7022b02e624b03988849a0c2028541cf4655ae9d04b26743626c5422afbcbebd", kill_on_drop: false }`
[INFO] [stdout] 7022b02e624b03988849a0c2028541cf4655ae9d04b26743626c5422afbcbebd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bce5cc7b32e82e013525e9bbf0149c2182a6a26c5b05eac681cabe70ea63c49a
[INFO] running `Command { std: "docker" "start" "-a" "bce5cc7b32e82e013525e9bbf0149c2182a6a26c5b05eac681cabe70ea63c49a", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.105
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling wasm-bindgen v0.2.105
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.105
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.105
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.7
[INFO] [stderr]    Compiling ductility v0.1.15 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wasm_bindgen::prelude::*`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wasm_bindgen::prelude::*`
[INFO] [stdout]  --> src/rs/nums.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wasm_bindgen::prelude::*`
[INFO] [stdout]  --> src/rs/words.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/js/words.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     for i in 1..=length {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/js/words.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |         for i in 1..=word_len {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/js/words.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     for i in 1..=length {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/js/words.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     for i in 1..=length {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/js/words.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |     for i in 1..=length {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/js/words.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 140 |     for i in 1..=length {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/js/words.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |     for i in 1..=length {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/js/words.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |     for i in 1..=length {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/rs/words.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     for i in 1..=15 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/rs/words.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     for i in 1..=length {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/rs/words.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     for i in 1..=length {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/rs/words.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     for i in 1..=length {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/rs/words.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |     for i in 1..=length {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/rs/words.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |     for i in 1..=length {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `alert` is never used
[INFO] [stdout]  --> src/lib.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn alert(s: &str);
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `str`, which is not FFI-safe
[INFO] [stdout]  --> src/lib.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn alert(s: &str);
[INFO] [stdout]   |                 ^^^^ not FFI-safe
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using `*const u8` and a length instead
[INFO] [stdout]   = note: string slices have no C equivalent
[INFO] [stdout]   = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.91s
[INFO] running `Command { std: "docker" "inspect" "bce5cc7b32e82e013525e9bbf0149c2182a6a26c5b05eac681cabe70ea63c49a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bce5cc7b32e82e013525e9bbf0149c2182a6a26c5b05eac681cabe70ea63c49a", kill_on_drop: false }`
[INFO] [stdout] bce5cc7b32e82e013525e9bbf0149c2182a6a26c5b05eac681cabe70ea63c49a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18fd4baec2aa4c6385007a9d6485ab0541f5b4a252e7450b61f0833d320edae7
[INFO] running `Command { std: "docker" "start" "-a" "18fd4baec2aa4c6385007a9d6485ab0541f5b4a252e7450b61f0833d320edae7", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.55
[INFO] [stderr]    Compiling js-sys v0.3.82
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wasm_bindgen::prelude::*`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wasm_bindgen::prelude::*`
[INFO] [stdout]  --> src/rs/nums.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wasm_bindgen::prelude::*`
[INFO] [stdout]  --> src/rs/words.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/js/words.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     for i in 1..=length {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/js/words.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |         for i in 1..=word_len {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/js/words.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     for i in 1..=length {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/js/words.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     for i in 1..=length {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/js/words.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |     for i in 1..=length {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/js/words.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 140 |     for i in 1..=length {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/js/words.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |     for i in 1..=length {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/js/words.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |     for i in 1..=length {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/rs/words.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     for i in 1..=15 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/rs/words.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     for i in 1..=length {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/rs/words.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     for i in 1..=length {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/rs/words.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     for i in 1..=length {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/rs/words.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |     for i in 1..=length {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/rs/words.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |     for i in 1..=length {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `alert` is never used
[INFO] [stdout]  --> src/lib.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn alert(s: &str);
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `str`, which is not FFI-safe
[INFO] [stdout]  --> src/lib.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn alert(s: &str);
[INFO] [stdout]   |                 ^^^^ not FFI-safe
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using `*const u8` and a length instead
[INFO] [stdout]   = note: string slices have no C equivalent
[INFO] [stdout]   = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.55
[INFO] [stderr]    Compiling wasm-bindgen-test v0.3.55
[INFO] [stderr]    Compiling ductility v0.1.15 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ductility::rs::*`
[INFO] [stdout]  --> tests/rs_nums.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ductility::rs::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wasm_bindgen::prelude::*`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wasm_bindgen::prelude::*`
[INFO] [stdout]  --> src/rs/nums.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wasm_bindgen::prelude::*`
[INFO] [stdout]  --> src/rs/words.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/js/words.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     for i in 1..=length {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/js/words.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |         for i in 1..=word_len {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/js/words.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     for i in 1..=length {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/js/words.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     for i in 1..=length {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/js/words.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |     for i in 1..=length {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/js/words.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 140 |     for i in 1..=length {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/js/words.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |     for i in 1..=length {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/js/words.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |     for i in 1..=length {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/rs/words.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     for i in 1..=15 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/rs/words.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     for i in 1..=length {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/rs/words.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     for i in 1..=length {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/rs/words.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     for i in 1..=length {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/rs/words.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |     for i in 1..=length {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/rs/words.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |     for i in 1..=length {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `alert` is never used
[INFO] [stdout]  --> src/lib.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn alert(s: &str);
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `str`, which is not FFI-safe
[INFO] [stdout]  --> src/lib.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn alert(s: &str);
[INFO] [stdout]   |                 ^^^^ not FFI-safe
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using `*const u8` and a length instead
[INFO] [stdout]   = note: string slices have no C equivalent
[INFO] [stdout]   = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.78s
[INFO] running `Command { std: "docker" "inspect" "18fd4baec2aa4c6385007a9d6485ab0541f5b4a252e7450b61f0833d320edae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18fd4baec2aa4c6385007a9d6485ab0541f5b4a252e7450b61f0833d320edae7", kill_on_drop: false }`
[INFO] [stdout] 18fd4baec2aa4c6385007a9d6485ab0541f5b4a252e7450b61f0833d320edae7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0e6e0b23f96800b804e25eac4a2931db565f6ea56f514ae9e51d914cc1ae5b0a
[INFO] running `Command { std: "docker" "start" "-a" "0e6e0b23f96800b804e25eac4a2931db565f6ea56f514ae9e51d914cc1ae5b0a", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `wasm_bindgen::prelude::*`
[INFO] [stderr]  --> src/lib.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use wasm_bindgen::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `wasm_bindgen::prelude::*`
[INFO] [stderr]  --> src/rs/nums.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use wasm_bindgen::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `wasm_bindgen::prelude::*`
[INFO] [stderr]  --> src/rs/words.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use wasm_bindgen::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/js/words.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |     for i in 1..=length {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/js/words.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 59 |         for i in 1..=word_len {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/js/words.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |     for i in 1..=length {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/js/words.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |     for i in 1..=length {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/js/words.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 123 |     for i in 1..=length {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/js/words.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 |     for i in 1..=length {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/js/words.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |     for i in 1..=length {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/js/words.rs:174:9
[INFO] [stderr]     |
[INFO] [stderr] 174 |     for i in 1..=length {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/rs/words.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     for i in 1..=15 {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/rs/words.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |     for i in 1..=length {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/rs/words.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |     for i in 1..=length {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/rs/words.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |     for i in 1..=length {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/rs/words.rs:110:9
[INFO] [stderr]     |
[INFO] [stderr] 110 |     for i in 1..=length {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/rs/words.rs:126:9
[INFO] [stderr]     |
[INFO] [stderr] 126 |     for i in 1..=length {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: function `alert` is never used
[INFO] [stderr]  --> src/lib.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 |     fn alert(s: &str);
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `str`, which is not FFI-safe
[INFO] [stderr]  --> src/lib.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 |     fn alert(s: &str);
[INFO] [stderr]   |                 ^^^^ not FFI-safe
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider using `*const u8` and a length instead
[INFO] [stderr]   = note: string slices have no C equivalent
[INFO] [stderr]   = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ductility` (lib) generated 20 warnings (run `cargo fix --lib -p ductility` to apply 18 suggestions)
[INFO] [stderr] warning: unused import: `ductility::rs::*`
[INFO] [stderr]  --> tests/rs_nums.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ductility::rs::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ductility` (test "rs_nums") generated 1 warning (run `cargo fix --test "rs_nums" -p ductility` to apply 1 suggestion)
[INFO] [stderr] warning: `ductility` (lib test) generated 20 warnings (20 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ductility-efa88813c372c45d)
[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] [stderr]      Running tests/js_tests_cargo.rs (/opt/rustwide/target/debug/deps/js_tests_cargo-a12b325bfab114ea)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test print_from_js_tests_w_cargo ... ok
[INFO] [stdout] test email_jenner ... ok
[INFO] [stdout] test username_jenner ... ok
[INFO] [stdout] test password_jenner ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/js_tests_wasm.rs (/opt/rustwide/target/debug/deps/js_tests_wasm-1ba54066191402c3)
[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] [stderr]      Running tests/rs_nums.rs (/opt/rustwide/target/debug/deps/rs_nums-97c5466a7fbcefc8)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test print_from_nums ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/rs_words.rs (/opt/rustwide/target/debug/deps/rs_words-172a02ecd182a6da)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test email_jenner ... ok
[INFO] [stdout] test test_lorem ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/web.rs (/opt/rustwide/target/debug/deps/web-a1674167d5d09674)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ductility
[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 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" "0e6e0b23f96800b804e25eac4a2931db565f6ea56f514ae9e51d914cc1ae5b0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e6e0b23f96800b804e25eac4a2931db565f6ea56f514ae9e51d914cc1ae5b0a", kill_on_drop: false }`
[INFO] [stdout] 0e6e0b23f96800b804e25eac4a2931db565f6ea56f514ae9e51d914cc1ae5b0a