[INFO] cloning repository https://github.com/triandamai/learn-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/triandamai/learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftriandamai%2Flearn-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftriandamai%2Flearn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4014db0fb52f297f0cea595720139e1881345b7
[INFO] checking triandamai/learn-rust against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftriandamai%2Flearn-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/triandamai/learn-rust
[INFO] finished tweaking git repo https://github.com/triandamai/learn-rust
[INFO] tweaked toml for git repo https://github.com/triandamai/learn-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/triandamai/learn-rust on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/triandamai/learn-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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.147
[INFO] [stderr]   Downloaded serde v1.0.147
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 142dd959292048940705536f697dcb03f6e7978b3a2c79e229bec153e8fe04dd
[INFO] running `Command { std: "docker" "start" "-a" "142dd959292048940705536f697dcb03f6e7978b3a2c79e229bec153e8fe04dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "142dd959292048940705536f697dcb03f6e7978b3a2c79e229bec153e8fe04dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "142dd959292048940705536f697dcb03f6e7978b3a2c79e229bec153e8fe04dd", kill_on_drop: false }`
[INFO] [stdout] 142dd959292048940705536f697dcb03f6e7978b3a2c79e229bec153e8fe04dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da8d1a7809bd96c6253e1df07e1c1eac4729b9a1eb2205cd3015d35365b1b78b
[INFO] running `Command { std: "docker" "start" "-a" "da8d1a7809bd96c6253e1df07e1c1eac4729b9a1eb2205cd3015d35365b1b78b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]     Checking hello_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `calculator::Calculator`
[INFO] [stdout]  --> src/calculator_utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use calculator::Calculator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Calculator` is never constructed
[INFO] [stdout]  --> src/calculator_utils/calculator.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Calculator{
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `calculator::Calculator`
[INFO] [stdout]  --> src/calculator_utils.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use calculator::Calculator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Calculator` is never constructed
[INFO] [stdout]  --> src/calculator_utils/calculator.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Calculator{
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.08s
[INFO] running `Command { std: "docker" "inspect" "da8d1a7809bd96c6253e1df07e1c1eac4729b9a1eb2205cd3015d35365b1b78b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da8d1a7809bd96c6253e1df07e1c1eac4729b9a1eb2205cd3015d35365b1b78b", kill_on_drop: false }`
[INFO] [stdout] da8d1a7809bd96c6253e1df07e1c1eac4729b9a1eb2205cd3015d35365b1b78b
