[INFO] cloning repository https://github.com/rumanbsl/functional-programming-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rumanbsl/functional-programming-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frumanbsl%2Ffunctional-programming-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frumanbsl%2Ffunctional-programming-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] abc736c3ba6a15e1faa90780e47e22d7f47f8658
[INFO] testing rumanbsl/functional-programming-rust against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frumanbsl%2Ffunctional-programming-rust" "/workspace/builds/worker-64/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-64/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rumanbsl/functional-programming-rust on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rumanbsl/functional-programming-rust
[INFO] finished tweaking git repo https://github.com/rumanbsl/functional-programming-rust
[INFO] tweaked toml for git repo https://github.com/rumanbsl/functional-programming-rust written to /workspace/builds/worker-64/source/Cargo.toml
[INFO] crate git repo https://github.com/rumanbsl/functional-programming-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b52f9de85cd2925c1aadd028c472e1d10cfe37be6c3f3a9614fae08a662c4c0f
[INFO] running `Command { std: "docker" "start" "-a" "b52f9de85cd2925c1aadd028c472e1d10cfe37be6c3f3a9614fae08a662c4c0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b52f9de85cd2925c1aadd028c472e1d10cfe37be6c3f3a9614fae08a662c4c0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b52f9de85cd2925c1aadd028c472e1d10cfe37be6c3f3a9614fae08a662c4c0f", kill_on_drop: false }`
[INFO] [stdout] b52f9de85cd2925c1aadd028c472e1d10cfe37be6c3f3a9614fae08a662c4c0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2da6081bb1c7c75c2208df79987dcf9652908b89e1a64fca3914b9c338df1619
[INFO] running `Command { std: "docker" "start" "-a" "2da6081bb1c7c75c2208df79987dcf9652908b89e1a64fca3914b9c338df1619", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `boo`
[INFO] [stdout]   --> src/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let boo = Boo::new();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_boo`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.68s
[INFO] running `Command { std: "docker" "inspect" "2da6081bb1c7c75c2208df79987dcf9652908b89e1a64fca3914b9c338df1619", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2da6081bb1c7c75c2208df79987dcf9652908b89e1a64fca3914b9c338df1619", kill_on_drop: false }`
[INFO] [stdout] 2da6081bb1c7c75c2208df79987dcf9652908b89e1a64fca3914b9c338df1619
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bd24e10fc8f3a85708d2a1e04d0a133060d8e9c47d31fce449c1c2212be721a
[INFO] running `Command { std: "docker" "start" "-a" "8bd24e10fc8f3a85708d2a1e04d0a133060d8e9c47d31fce449c1c2212be721a", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `boo`
[INFO] [stdout]   --> src/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let boo = Boo::new();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_boo`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.18s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8bd24e10fc8f3a85708d2a1e04d0a133060d8e9c47d31fce449c1c2212be721a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bd24e10fc8f3a85708d2a1e04d0a133060d8e9c47d31fce449c1c2212be721a", kill_on_drop: false }`
[INFO] [stdout] 8bd24e10fc8f3a85708d2a1e04d0a133060d8e9c47d31fce449c1c2212be721a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b731f97022dde8d479bad8f1c7bf25f464faf0a80da82ec5c60f1c51a0833115
[INFO] running `Command { std: "docker" "start" "-a" "b731f97022dde8d479bad8f1c7bf25f464faf0a80da82ec5c60f1c51a0833115", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `boo`
[INFO] [stdout] 
[INFO] [stderr]   --> src/main.rs:17:9
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 17 |     let boo = Boo::new();
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_boo`
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `hello` (bin "hello" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.84s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello-a42b9ffb7885c2de)
[INFO] running `Command { std: "docker" "inspect" "b731f97022dde8d479bad8f1c7bf25f464faf0a80da82ec5c60f1c51a0833115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b731f97022dde8d479bad8f1c7bf25f464faf0a80da82ec5c60f1c51a0833115", kill_on_drop: false }`
[INFO] [stdout] b731f97022dde8d479bad8f1c7bf25f464faf0a80da82ec5c60f1c51a0833115