[INFO] cloning repository https://github.com/0xSaksham/coin_matcher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xSaksham/coin_matcher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xSaksham%2Fcoin_matcher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xSaksham%2Fcoin_matcher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 57f40f58902ad7345924ab15dc7e8a12e1888f9c
[INFO] checking 0xSaksham/coin_matcher against try#54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47 for pr-153041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xSaksham%2Fcoin_matcher" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/0xSaksham/coin_matcher
[INFO] finished tweaking git repo https://github.com/0xSaksham/coin_matcher
[INFO] tweaked toml for git repo https://github.com/0xSaksham/coin_matcher written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0xSaksham/coin_matcher on toolchain 54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0xSaksham/coin_matcher 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" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b187976bc627847fd6ba010051ae58fabff1c5f1a44b5a6609748e384d19970
[INFO] running `Command { std: "docker" "start" "-a" "9b187976bc627847fd6ba010051ae58fabff1c5f1a44b5a6609748e384d19970", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b187976bc627847fd6ba010051ae58fabff1c5f1a44b5a6609748e384d19970", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b187976bc627847fd6ba010051ae58fabff1c5f1a44b5a6609748e384d19970", kill_on_drop: false }`
[INFO] [stdout] 9b187976bc627847fd6ba010051ae58fabff1c5f1a44b5a6609748e384d19970
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a3d00979ef94dc2842c5d316a3a716cc20afd808b2e85121a4580a1307a2c4d
[INFO] running `Command { std: "docker" "start" "-a" "2a3d00979ef94dc2842c5d316a3a716cc20afd808b2e85121a4580a1307a2c4d", kill_on_drop: false }`
[INFO] [stderr]     Checking coin_matcher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Alaska` is never constructed
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum UsState {
[INFO] [stdout]   |      ------- variant in this enum
[INFO] [stdout] 3 |     Alabama,
[INFO] [stdout] 4 |     Alaska,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `UsState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Nickel` and `Dime` are never constructed
[INFO] [stdout]   --> src/main.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | enum Coin {
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout]  8 |     Penny,
[INFO] [stdout]  9 |     Nickel,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 10 |     Dime,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Alaska` is never constructed
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum UsState {
[INFO] [stdout]   |      ------- variant in this enum
[INFO] [stdout] 3 |     Alabama,
[INFO] [stdout] 4 |     Alaska,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `UsState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Nickel` and `Dime` are never constructed
[INFO] [stdout]   --> src/main.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | enum Coin {
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout]  8 |     Penny,
[INFO] [stdout]  9 |     Nickel,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 10 |     Dime,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "2a3d00979ef94dc2842c5d316a3a716cc20afd808b2e85121a4580a1307a2c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a3d00979ef94dc2842c5d316a3a716cc20afd808b2e85121a4580a1307a2c4d", kill_on_drop: false }`
[INFO] [stdout] 2a3d00979ef94dc2842c5d316a3a716cc20afd808b2e85121a4580a1307a2c4d
