[INFO] cloning repository https://github.com/ramvalleru/Rust-beginner-mistakes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ramvalleru/Rust-beginner-mistakes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Framvalleru%2FRust-beginner-mistakes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Framvalleru%2FRust-beginner-mistakes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b55edb0a7f1060e6c00b58144d364153b1bf290
[INFO] testing ramvalleru/Rust-beginner-mistakes against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Framvalleru%2FRust-beginner-mistakes" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ramvalleru/Rust-beginner-mistakes on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ramvalleru/Rust-beginner-mistakes
[INFO] finished tweaking git repo https://github.com/ramvalleru/Rust-beginner-mistakes
[INFO] tweaked toml for git repo https://github.com/ramvalleru/Rust-beginner-mistakes written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/ramvalleru/Rust-beginner-mistakes already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee59864c9ca909ec13721ef662463b9cb88ef115b32c3fe66107d2bec265ebf1
[INFO] running `Command { std: "docker" "start" "-a" "ee59864c9ca909ec13721ef662463b9cb88ef115b32c3fe66107d2bec265ebf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee59864c9ca909ec13721ef662463b9cb88ef115b32c3fe66107d2bec265ebf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee59864c9ca909ec13721ef662463b9cb88ef115b32c3fe66107d2bec265ebf1", kill_on_drop: false }`
[INFO] [stdout] ee59864c9ca909ec13721ef662463b9cb88ef115b32c3fe66107d2bec265ebf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a71fd0e00350776d1c79850d6e6dc82fbf85022f61c8a847404b9c1390e3ba1
[INFO] running `Command { std: "docker" "start" "-a" "8a71fd0e00350776d1c79850d6e6dc82fbf85022f61c8a847404b9c1390e3ba1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustbyexample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `sban`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     sban: u32,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `price`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     price: f32
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "8a71fd0e00350776d1c79850d6e6dc82fbf85022f61c8a847404b9c1390e3ba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a71fd0e00350776d1c79850d6e6dc82fbf85022f61c8a847404b9c1390e3ba1", kill_on_drop: false }`
[INFO] [stdout] 8a71fd0e00350776d1c79850d6e6dc82fbf85022f61c8a847404b9c1390e3ba1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee0e60c5f5462a9ba51fe8fbd87bf5bddd1ac2472fab81ef3e4d9a3c8eedf179
[INFO] running `Command { std: "docker" "start" "-a" "ee0e60c5f5462a9ba51fe8fbd87bf5bddd1ac2472fab81ef3e4d9a3c8eedf179", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustbyexample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `sban`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     sban: u32,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `price`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     price: f32
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "ee0e60c5f5462a9ba51fe8fbd87bf5bddd1ac2472fab81ef3e4d9a3c8eedf179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee0e60c5f5462a9ba51fe8fbd87bf5bddd1ac2472fab81ef3e4d9a3c8eedf179", kill_on_drop: false }`
[INFO] [stdout] ee0e60c5f5462a9ba51fe8fbd87bf5bddd1ac2472fab81ef3e4d9a3c8eedf179
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1a454a0b93c25ec2728d89066481d538db4e08b1100a4980717663d163087b99
[INFO] running `Command { std: "docker" "start" "-a" "1a454a0b93c25ec2728d89066481d538db4e08b1100a4980717663d163087b99", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `sban`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     sban: u32,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `price`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     price: f32
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rustbyexample` (bin "rustbyexample" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustbyexample-4ee1fe4584791034)
[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" "1a454a0b93c25ec2728d89066481d538db4e08b1100a4980717663d163087b99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a454a0b93c25ec2728d89066481d538db4e08b1100a4980717663d163087b99", kill_on_drop: false }`
[INFO] [stdout] 1a454a0b93c25ec2728d89066481d538db4e08b1100a4980717663d163087b99