[INFO] cloning repository https://github.com/khkhangai/worterbuch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/khkhangai/worterbuch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhkhangai%2Fworterbuch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhkhangai%2Fworterbuch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aca7fc7314465a3a5d5187ebee2875d7c140f3e3
[INFO] checking khkhangai/worterbuch against master#55e86c996809902e8bbad512cfb4d2c18be446d9 for pr-153027
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhkhangai%2Fworterbuch" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/khkhangai/worterbuch
[INFO] finished tweaking git repo https://github.com/khkhangai/worterbuch
[INFO] tweaked toml for git repo https://github.com/khkhangai/worterbuch written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/khkhangai/worterbuch on toolchain 55e86c996809902e8bbad512cfb4d2c18be446d9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+55e86c996809902e8bbad512cfb4d2c18be446d9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/khkhangai/worterbuch 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" "+55e86c996809902e8bbad512cfb4d2c18be446d9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+55e86c996809902e8bbad512cfb4d2c18be446d9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "7ee7cc64b7149ff63ad3ac608ae8ae68b9230d2d0f76430d3ce817af508594fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ee7cc64b7149ff63ad3ac608ae8ae68b9230d2d0f76430d3ce817af508594fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ee7cc64b7149ff63ad3ac608ae8ae68b9230d2d0f76430d3ce817af508594fa", kill_on_drop: false }`
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[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+55e86c996809902e8bbad512cfb4d2c18be446d9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "e36ffb99d36128b62f96881f7d3b369beb4db8536d2ddcb182051c38e3b9ebfc", kill_on_drop: false }`
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[INFO] [stdout] warning: method `close` is never used
[INFO] [stdout]    --> src/cache.rs:204:18
[INFO] [stdout]     |
[INFO] [stdout] 103 | impl Cache {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 204 |     pub async fn close(&self) {
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dicts` is never read
[INFO] [stdout]   --> src/manager/mod.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Manager {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub dicts: Dicts,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `len` is never used
[INFO] [stdout]   --> src/models/models.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl StringArray {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `close` is never used
[INFO] [stdout]    --> src/cache.rs:204:18
[INFO] [stdout]     |
[INFO] [stdout] 103 | impl Cache {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 204 |     pub async fn close(&self) {
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dicts` is never read
[INFO] [stdout]   --> src/manager/mod.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Manager {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub dicts: Dicts,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `len` is never used
[INFO] [stdout]   --> src/models/models.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl StringArray {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 27s
[INFO] running `Command { std: "docker" "inspect" "e36ffb99d36128b62f96881f7d3b369beb4db8536d2ddcb182051c38e3b9ebfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e36ffb99d36128b62f96881f7d3b369beb4db8536d2ddcb182051c38e3b9ebfc", kill_on_drop: false }`
[INFO] [stdout] e36ffb99d36128b62f96881f7d3b369beb4db8536d2ddcb182051c38e3b9ebfc
