[INFO] fetching crate raquet 0.1.0...
[INFO] building raquet-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate raquet 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate raquet 0.1.0
[INFO] finished tweaking crates.io crate raquet 0.1.0
[INFO] tweaked toml for crates.io crate raquet 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate raquet 0.1.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate raquet 0.1.0 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded miniz_oxide v0.8.1
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[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3af62425bea83711596f65478f47b3c8bdcaba35ea62ef95e3f8001d9de8ad76
[INFO] running `Command { std: "docker" "start" "-a" "3af62425bea83711596f65478f47b3c8bdcaba35ea62ef95e3f8001d9de8ad76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3af62425bea83711596f65478f47b3c8bdcaba35ea62ef95e3f8001d9de8ad76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3af62425bea83711596f65478f47b3c8bdcaba35ea62ef95e3f8001d9de8ad76", kill_on_drop: false }`
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[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aef5be28b6295a5568e0d7938e539a3a062e6b0c8c0983288fe4ed0b295f9dd5
[INFO] running `Command { std: "docker" "start" "-a" "aef5be28b6295a5568e0d7938e539a3a062e6b0c8c0983288fe4ed0b295f9dd5", kill_on_drop: false }`
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[INFO] [stderr]    Compiling raquet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/ui.rs:209:28
[INFO] [stdout]     |
[INFO] [stdout] 209 |                     .map(|(idx, (key, value))| {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `std::future::Future` that must be used
[INFO] [stdout]    --> src/app.rs:673:29
[INFO] [stdout]     |
[INFO] [stdout] 673 | ...                   self.send_request();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: futures do nothing unless you `.await` or poll them
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 55.15s
[INFO] running `Command { std: "docker" "inspect" "aef5be28b6295a5568e0d7938e539a3a062e6b0c8c0983288fe4ed0b295f9dd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aef5be28b6295a5568e0d7938e539a3a062e6b0c8c0983288fe4ed0b295f9dd5", kill_on_drop: false }`
[INFO] [stdout] aef5be28b6295a5568e0d7938e539a3a062e6b0c8c0983288fe4ed0b295f9dd5
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8d881933fbc633675dbb66fce07b95018c3b3f9f40d58588a70bae292ab9990
[INFO] running `Command { std: "docker" "start" "-a" "b8d881933fbc633675dbb66fce07b95018c3b3f9f40d58588a70bae292ab9990", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/ui.rs:209:28
[INFO] [stdout]     |
[INFO] [stdout] 209 |                     .map(|(idx, (key, value))| {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `std::future::Future` that must be used
[INFO] [stdout]    --> src/app.rs:673:29
[INFO] [stdout]     |
[INFO] [stdout] 673 | ...                   self.send_request();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: futures do nothing unless you `.await` or poll them
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling raquet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/ui.rs:209:28
[INFO] [stdout]     |
[INFO] [stdout] 209 |                     .map(|(idx, (key, value))| {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `std::future::Future` that must be used
[INFO] [stdout]    --> src/app.rs:673:29
[INFO] [stdout]     |
[INFO] [stdout] 673 | ...                   self.send_request();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: futures do nothing unless you `.await` or poll them
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "b8d881933fbc633675dbb66fce07b95018c3b3f9f40d58588a70bae292ab9990", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8d881933fbc633675dbb66fce07b95018c3b3f9f40d58588a70bae292ab9990", kill_on_drop: false }`
[INFO] [stdout] b8d881933fbc633675dbb66fce07b95018c3b3f9f40d58588a70bae292ab9990