[INFO] cloning repository https://github.com/larkintuckerllc/r06_enums
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/larkintuckerllc/r06_enums" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flarkintuckerllc%2Fr06_enums", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flarkintuckerllc%2Fr06_enums'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0952b64cb955e5a3758f586ced8c04a2fed30ad
[INFO] testing larkintuckerllc/r06_enums against 1.90.0 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flarkintuckerllc%2Fr06_enums" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/larkintuckerllc/r06_enums
[INFO] finished tweaking git repo https://github.com/larkintuckerllc/r06_enums
[INFO] tweaked toml for git repo https://github.com/larkintuckerllc/r06_enums written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/larkintuckerllc/r06_enums on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/larkintuckerllc/r06_enums 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e073b4a00deda9daefc22b5e214e5fa0077f405a91470d9caedf2496682c85d5
[INFO] running `Command { std: "docker" "start" "-a" "e073b4a00deda9daefc22b5e214e5fa0077f405a91470d9caedf2496682c85d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e073b4a00deda9daefc22b5e214e5fa0077f405a91470d9caedf2496682c85d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e073b4a00deda9daefc22b5e214e5fa0077f405a91470d9caedf2496682c85d5", kill_on_drop: false }`
[INFO] [stdout] e073b4a00deda9daefc22b5e214e5fa0077f405a91470d9caedf2496682c85d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b9d149513f4455f7c3c3e5da40344323ccb7ffcede11c19eea571263620d0e8
[INFO] running `Command { std: "docker" "start" "-a" "1b9d149513f4455f7c3c3e5da40344323ccb7ffcede11c19eea571263620d0e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling r06_enums v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `six`
[INFO] [stdout]   --> src/main.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let six = plus_one(five);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_six`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `none`
[INFO] [stdout]   --> src/main.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let none = plus_one(None);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_none`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Nickel`, `Dime`, and `Euro` are never constructed
[INFO] [stdout]   --> src/main.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | enum Coin {
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout] 41 |     Penny,
[INFO] [stdout] 42 |     Nickel,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 43 |     Dime,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 44 |     Quarter(i32),
[INFO] [stdout] 45 |     Euro,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Coin` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "1b9d149513f4455f7c3c3e5da40344323ccb7ffcede11c19eea571263620d0e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b9d149513f4455f7c3c3e5da40344323ccb7ffcede11c19eea571263620d0e8", kill_on_drop: false }`
[INFO] [stdout] 1b9d149513f4455f7c3c3e5da40344323ccb7ffcede11c19eea571263620d0e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e928c564a8016429ac375515aa245e68d08fb92e3063542a15ca073c12e6b25f
[INFO] running `Command { std: "docker" "start" "-a" "e928c564a8016429ac375515aa245e68d08fb92e3063542a15ca073c12e6b25f", kill_on_drop: false }`
[INFO] [stderr]    Compiling r06_enums v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `six`
[INFO] [stdout]   --> src/main.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let six = plus_one(five);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_six`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `none`
[INFO] [stdout]   --> src/main.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let none = plus_one(None);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_none`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Nickel`, `Dime`, and `Euro` are never constructed
[INFO] [stdout]   --> src/main.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | enum Coin {
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout] 41 |     Penny,
[INFO] [stdout] 42 |     Nickel,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 43 |     Dime,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 44 |     Quarter(i32),
[INFO] [stdout] 45 |     Euro,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Coin` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "e928c564a8016429ac375515aa245e68d08fb92e3063542a15ca073c12e6b25f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e928c564a8016429ac375515aa245e68d08fb92e3063542a15ca073c12e6b25f", kill_on_drop: false }`
[INFO] [stdout] e928c564a8016429ac375515aa245e68d08fb92e3063542a15ca073c12e6b25f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d62281136188e6b62eb19ebb3185c24df640b23177bc142612a94d11bea33c48
[INFO] running `Command { std: "docker" "start" "-a" "d62281136188e6b62eb19ebb3185c24df640b23177bc142612a94d11bea33c48", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `six`
[INFO] [stderr]   --> src/main.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let six = plus_one(five);
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_six`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `none`
[INFO] [stderr]   --> src/main.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let none = plus_one(None);
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_none`
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Nickel`, `Dime`, and `Euro` are never constructed
[INFO] [stderr]   --> src/main.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 40 | enum Coin {
[INFO] [stderr]    |      ---- variants in this enum
[INFO] [stderr] 41 |     Penny,
[INFO] [stderr] 42 |     Nickel,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 43 |     Dime,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 44 |     Quarter(i32),
[INFO] [stderr] 45 |     Euro,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Coin` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `r06_enums` (bin "r06_enums" test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/r06_enums-fdbb13c07b66a3a4)
[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" "d62281136188e6b62eb19ebb3185c24df640b23177bc142612a94d11bea33c48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d62281136188e6b62eb19ebb3185c24df640b23177bc142612a94d11bea33c48", kill_on_drop: false }`
[INFO] [stdout] d62281136188e6b62eb19ebb3185c24df640b23177bc142612a94d11bea33c48