[INFO] cloning repository https://github.com/batisteo/checkboxes-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/batisteo/checkboxes-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbatisteo%2Fcheckboxes-example", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a73bb3c63c8520372234489af72886a13b958c8
[INFO] testing batisteo/checkboxes-example against 1.63.0 for beta-1.64-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbatisteo%2Fcheckboxes-example" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/batisteo/checkboxes-example on toolchain 1.63.0
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[INFO] finished tweaking git repo https://github.com/batisteo/checkboxes-example
[INFO] tweaked toml for git repo https://github.com/batisteo/checkboxes-example written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/batisteo/checkboxes-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.63.0" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stderr]    Compiling trust-dns-resolver v0.11.1
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[INFO] [stderr]    Compiling checkboxes-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `identity`
[INFO] [stdout]   --> src/main.rs:99:17
[INFO] [stdout]    |
[INFO] [stdout] 99 |             let identity = id.identity();
[INFO] [stdout]    |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_identity`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `choice` is never read
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Vote {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 13 |     choice: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `Vote` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `choice` is never read
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Votes {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 18 |     choice: Vec<i8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Votes` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.31s
[INFO] running `Command { std: "docker" "inspect" "bd035191b7077064fbc1e19ab3b431790f6057420145aeb588b96f91123c1945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd035191b7077064fbc1e19ab3b431790f6057420145aeb588b96f91123c1945", kill_on_drop: false }`
[INFO] [stdout] bd035191b7077064fbc1e19ab3b431790f6057420145aeb588b96f91123c1945
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a98539aef47d6d7efadf083d7c0c5f117acad2fa701d2601de7af7138242b744
[INFO] running `Command { std: "docker" "start" "-a" "a98539aef47d6d7efadf083d7c0c5f117acad2fa701d2601de7af7138242b744", kill_on_drop: false }`
[INFO] [stderr]    Compiling checkboxes-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `identity`
[INFO] [stdout]   --> src/main.rs:99:17
[INFO] [stdout]    |
[INFO] [stdout] 99 |             let identity = id.identity();
[INFO] [stdout]    |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_identity`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `choice` is never read
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Vote {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 13 |     choice: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `Vote` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `choice` is never read
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Votes {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 18 |     choice: Vec<i8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Votes` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "a98539aef47d6d7efadf083d7c0c5f117acad2fa701d2601de7af7138242b744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a98539aef47d6d7efadf083d7c0c5f117acad2fa701d2601de7af7138242b744", kill_on_drop: false }`
[INFO] [stdout] a98539aef47d6d7efadf083d7c0c5f117acad2fa701d2601de7af7138242b744
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 71c7195ebf62db135630d8c62cd862b3439ef3f780f8c480b0714c342e284450
[INFO] running `Command { std: "docker" "start" "-a" "71c7195ebf62db135630d8c62cd862b3439ef3f780f8c480b0714c342e284450", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `identity`
[INFO] [stderr]   --> src/main.rs:99:17
[INFO] [stderr]    |
[INFO] [stderr] 99 |             let identity = id.identity();
[INFO] [stderr]    |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_identity`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `choice` is never read
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct Vote {
[INFO] [stderr]    |        ---- field in this struct
[INFO] [stderr] 13 |     choice: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr]    = note: `Vote` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `choice` is never read
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | struct Votes {
[INFO] [stderr]    |        ----- field in this struct
[INFO] [stderr] 18 |     choice: Vec<i8>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Votes` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `checkboxes-example` (bin "checkboxes-example" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/checkboxes_example-b7fa718cf3c0e5a9)
[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" "71c7195ebf62db135630d8c62cd862b3439ef3f780f8c480b0714c342e284450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71c7195ebf62db135630d8c62cd862b3439ef3f780f8c480b0714c342e284450", kill_on_drop: false }`
[INFO] [stdout] 71c7195ebf62db135630d8c62cd862b3439ef3f780f8c480b0714c342e284450