[INFO] cloning repository https://github.com/0deux/tech_int_for_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0deux/tech_int_for_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0deux%2Ftech_int_for_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0deux%2Ftech_int_for_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f45b2e650583effb454345c915448763b3294aff
[INFO] checking 0deux/tech_int_for_rust against try#f77b5bc6c7c84df104f86b0dd01d9490e3923fa8 for pr-147834
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0deux%2Ftech_int_for_rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/0deux/tech_int_for_rust
[INFO] finished tweaking git repo https://github.com/0deux/tech_int_for_rust
[INFO] tweaked toml for git repo https://github.com/0deux/tech_int_for_rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0deux/tech_int_for_rust on toolchain f77b5bc6c7c84df104f86b0dd01d9490e3923fa8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0deux/tech_int_for_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" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dcf148fdb72cae90420519af1d0557ff999e10d9c4fff796b85474f75f770351
[INFO] running `Command { std: "docker" "start" "-a" "dcf148fdb72cae90420519af1d0557ff999e10d9c4fff796b85474f75f770351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcf148fdb72cae90420519af1d0557ff999e10d9c4fff796b85474f75f770351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcf148fdb72cae90420519af1d0557ff999e10d9c4fff796b85474f75f770351", kill_on_drop: false }`
[INFO] [stdout] dcf148fdb72cae90420519af1d0557ff999e10d9c4fff796b85474f75f770351
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74d6acb0fc4db207765105d4ffca75ac17a0ed799d4fad6b4902a63c9831a737
[INFO] running `Command { std: "docker" "start" "-a" "74d6acb0fc4db207765105d4ffca75ac17a0ed799d4fad6b4902a63c9831a737", kill_on_drop: false }`
[INFO] [stderr]     Checking tech_int v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `new_owner`
[INFO] [stdout]   --> src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let new_owner: &String = &original_owner; // Borrowing occurs here
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_owner`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Yellow` and `Green` are never constructed
[INFO] [stdout]   --> src/main.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 93 | enum TrafficLight {
[INFO] [stdout]    |      ------------ variants in this enum
[INFO] [stdout] 94 |     Red,
[INFO] [stdout] 95 |     Yellow,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 96 |     Green,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Orange` and `Banana` are never constructed
[INFO] [stdout]    --> src/main.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 107 | enum Fruit {
[INFO] [stdout]     |      ----- variants in this enum
[INFO] [stdout] 108 |     Apple,
[INFO] [stdout] 109 |     Orange,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 110 |     Banana,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_owner`
[INFO] [stdout]   --> src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let new_owner: &String = &original_owner; // Borrowing occurs here
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_owner`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Yellow` and `Green` are never constructed
[INFO] [stdout]   --> src/main.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 93 | enum TrafficLight {
[INFO] [stdout]    |      ------------ variants in this enum
[INFO] [stdout] 94 |     Red,
[INFO] [stdout] 95 |     Yellow,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 96 |     Green,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Orange` and `Banana` are never constructed
[INFO] [stdout]    --> src/main.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 107 | enum Fruit {
[INFO] [stdout]     |      ----- variants in this enum
[INFO] [stdout] 108 |     Apple,
[INFO] [stdout] 109 |     Orange,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 110 |     Banana,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "74d6acb0fc4db207765105d4ffca75ac17a0ed799d4fad6b4902a63c9831a737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74d6acb0fc4db207765105d4ffca75ac17a0ed799d4fad6b4902a63c9831a737", kill_on_drop: false }`
[INFO] [stdout] 74d6acb0fc4db207765105d4ffca75ac17a0ed799d4fad6b4902a63c9831a737
