[INFO] cloning repository https://github.com/abubow/store-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abubow/store-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabubow%2Fstore-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabubow%2Fstore-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d279e0bc902814ee71689b74ac25a6aef9ab6d01
[INFO] checking abubow/store-rust/d279e0bc902814ee71689b74ac25a6aef9ab6d01 against master#826b673412d2f579e7865b6f26bc9771c6d3b097 for pr-133397
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabubow%2Fstore-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/abubow/store-rust on toolchain 826b673412d2f579e7865b6f26bc9771c6d3b097
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+826b673412d2f579e7865b6f26bc9771c6d3b097" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/abubow/store-rust
[INFO] finished tweaking git repo https://github.com/abubow/store-rust
[INFO] tweaked toml for git repo https://github.com/abubow/store-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/abubow/store-rust 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" "+826b673412d2f579e7865b6f26bc9771c6d3b097" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rocket_ws v0.1.0
[INFO] [stderr]   Downloaded yew-hooks v0.3.1
[INFO] [stderr]   Downloaded figment v0.10.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+826b673412d2f579e7865b6f26bc9771c6d3b097" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00a7226504f3086f313614e6b551a764e50d2427f8731c9a0c9a256272d5c733
[INFO] running `Command { std: "docker" "start" "-a" "00a7226504f3086f313614e6b551a764e50d2427f8731c9a0c9a256272d5c733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00a7226504f3086f313614e6b551a764e50d2427f8731c9a0c9a256272d5c733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00a7226504f3086f313614e6b551a764e50d2427f8731c9a0c9a256272d5c733", kill_on_drop: false }`
[INFO] [stdout] 00a7226504f3086f313614e6b551a764e50d2427f8731c9a0c9a256272d5c733
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+826b673412d2f579e7865b6f26bc9771c6d3b097" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 220cf13f920ec95cfbc11205ecda87318c55169363cafb0148ba74d254b666f1
[INFO] running `Command { std: "docker" "start" "-a" "220cf13f920ec95cfbc11205ecda87318c55169363cafb0148ba74d254b666f1", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
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[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
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[INFO] [stderr]     Checking rocket_http v0.5.0
[INFO] [stderr]    Compiling rocket_codegen v0.5.0
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[INFO] [stderr]     Checking gloo-render v0.2.0
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[INFO] [stderr]     Checking yew v0.21.0
[INFO] [stderr]     Checking yew-hooks v0.3.1
[INFO] [stderr]     Checking frontend v0.1.0 (/opt/rustwide/workdir/frontend)
[INFO] [stderr]     Checking rocket_ws v0.1.0
[INFO] [stderr]     Checking backend v0.1.0 (/opt/rustwide/workdir/backend)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> backend/src/main.rs:46:14
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let (mut ws_tx, mut ws_rx) = stream.split();
[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]   --> backend/src/main.rs:46:14
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let (mut ws_tx, mut ws_rx) = stream.split();
[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]   --> backend/src/main.rs:44:23
[INFO] [stdout]    |
[INFO] [stdout] 44 |     ws.channel(move | mut stream| Box::pin(async move {
[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]   --> backend/src/main.rs:44:23
[INFO] [stdout]    |
[INFO] [stdout] 44 |     ws.channel(move | mut stream| Box::pin(async move {
[INFO] [stdout]    |                       ----^^^^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.50s
[INFO] running `Command { std: "docker" "inspect" "220cf13f920ec95cfbc11205ecda87318c55169363cafb0148ba74d254b666f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "220cf13f920ec95cfbc11205ecda87318c55169363cafb0148ba74d254b666f1", kill_on_drop: false }`
[INFO] [stdout] 220cf13f920ec95cfbc11205ecda87318c55169363cafb0148ba74d254b666f1