[INFO] cloning repository https://github.com/tuulikoo/kanjisearch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tuulikoo/kanjisearch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuulikoo%2Fkanjisearch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuulikoo%2Fkanjisearch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 762a0a1ffcb60329987131464f63848e3ed3d967
[INFO] checking tuulikoo/kanjisearch against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuulikoo%2Fkanjisearch" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tuulikoo/kanjisearch on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tuulikoo/kanjisearch
[INFO] finished tweaking git repo https://github.com/tuulikoo/kanjisearch
[INFO] tweaked toml for git repo https://github.com/tuulikoo/kanjisearch written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tuulikoo/kanjisearch 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.41
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.41
[INFO] [stderr]   Downloaded serde-wasm-bindgen v0.6.3
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0dd98b1b01adf8ff5109ab16d0ce74d7c7072d9c2f30892ca3fcdf8ee08a4f9f
[INFO] running `Command { std: "docker" "start" "-a" "0dd98b1b01adf8ff5109ab16d0ce74d7c7072d9c2f30892ca3fcdf8ee08a4f9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0dd98b1b01adf8ff5109ab16d0ce74d7c7072d9c2f30892ca3fcdf8ee08a4f9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dd98b1b01adf8ff5109ab16d0ce74d7c7072d9c2f30892ca3fcdf8ee08a4f9f", kill_on_drop: false }`
[INFO] [stdout] 0dd98b1b01adf8ff5109ab16d0ce74d7c7072d9c2f30892ca3fcdf8ee08a4f9f
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb758cf5cddcab452f0564f348e79b1cc1a5ffd3fed7e83de8747189557f340d
[INFO] running `Command { std: "docker" "start" "-a" "cb758cf5cddcab452f0564f348e79b1cc1a5ffd3fed7e83de8747189557f340d", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.91
[INFO] [stderr]    Compiling bumpalo v3.14.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.91
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.91
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.41
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.91
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.91
[INFO] [stderr]     Checking js-sys v0.3.68
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.41
[INFO] [stderr]     Checking web-sys v0.3.68
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.41
[INFO] [stderr]     Checking serde-wasm-bindgen v0.6.3
[INFO] [stderr]     Checking kanjisearch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.35s
[INFO] running `Command { std: "docker" "inspect" "cb758cf5cddcab452f0564f348e79b1cc1a5ffd3fed7e83de8747189557f340d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb758cf5cddcab452f0564f348e79b1cc1a5ffd3fed7e83de8747189557f340d", kill_on_drop: false }`
[INFO] [stdout] cb758cf5cddcab452f0564f348e79b1cc1a5ffd3fed7e83de8747189557f340d