[INFO] cloning repository https://github.com/thelumiereguy/Rust_Playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thelumiereguy/Rust_Playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthelumiereguy%2FRust_Playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthelumiereguy%2FRust_Playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c50fdb232e2edc8d78a8c5d7d838a9617cfc9891
[INFO] testing thelumiereguy/Rust_Playground against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthelumiereguy%2FRust_Playground" "/workspace/builds/worker-116/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-116/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thelumiereguy/Rust_Playground 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/thelumiereguy/Rust_Playground
[INFO] finished tweaking git repo https://github.com/thelumiereguy/Rust_Playground
[INFO] tweaked toml for git repo https://github.com/thelumiereguy/Rust_Playground written to /workspace/builds/worker-116/source/Cargo.toml
[INFO] crate git repo https://github.com/thelumiereguy/Rust_Playground 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] e2afb5e4b94a4176e1dbea92d6c1f332f78a6d1cd8a1bb039694c89aeb02fbb4
[INFO] running `Command { std: "docker" "start" "-a" "e2afb5e4b94a4176e1dbea92d6c1f332f78a6d1cd8a1bb039694c89aeb02fbb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2afb5e4b94a4176e1dbea92d6c1f332f78a6d1cd8a1bb039694c89aeb02fbb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2afb5e4b94a4176e1dbea92d6c1f332f78a6d1cd8a1bb039694c89aeb02fbb4", kill_on_drop: false }`
[INFO] [stdout] e2afb5e4b94a4176e1dbea92d6c1f332f78a6d1cd8a1bb039694c89aeb02fbb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] b826c3306c4ca776beb3ebc0ed3347c09dbd82a990b5c6cc773ad40dabc49a73
[INFO] running `Command { std: "docker" "start" "-a" "b826c3306c4ca776beb3ebc0ed3347c09dbd82a990b5c6cc773ad40dabc49a73", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `detect` in `std`
[INFO] [stdout]  --> src/traits/traits.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::detect::__is_feature_detected::sha;
[INFO] [stdout]   |          ^^^^^^ could not find `detect` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::variables::vars`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::variables::vars;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]  --> src/moving_borrowing/moving_borrowing.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | /     /**
[INFO] [stdout] 5 | |      *In Rust, all variables which are assigned using a let statement are immutable unless otherwise specified.
[INFO] [stdout] 6 | |      *Immutable is a fancy term which means:
[INFO] [stdout] 7 | |
[INFO] [stdout] 8 | |     Fix - add 'mut' to variable
[INFO] [stdout] 9 | |      */
[INFO] [stdout]   | |_______^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot multiply `{integer}` by `f64`
[INFO] [stdout]   --> src/traits/traits.rs:44:11
[INFO] [stdout]    |
[INFO] [stdout] 44 |         2 * std::f64::consts::PI * self.radius
[INFO] [stdout]    |           ^ no implementation for `{integer} * f64`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Mul<f64>` is not implemented for `{integer}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_demo` due to 3 previous errors; 3 warnings emitted
[INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b826c3306c4ca776beb3ebc0ed3347c09dbd82a990b5c6cc773ad40dabc49a73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b826c3306c4ca776beb3ebc0ed3347c09dbd82a990b5c6cc773ad40dabc49a73", kill_on_drop: false }`
[INFO] [stdout] b826c3306c4ca776beb3ebc0ed3347c09dbd82a990b5c6cc773ad40dabc49a73