[INFO] cloning repository https://github.com/psatomas/enums
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/psatomas/enums" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsatomas%2Fenums", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsatomas%2Fenums'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bbc6339aed21b72cc8548e0726ee6bc482a51c25
[INFO] checking psatomas/enums against try#78c81ee3917a99dcff6e2e6822800f0492c415c3 for pr-148967
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsatomas%2Fenums" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/psatomas/enums
[INFO] finished tweaking git repo https://github.com/psatomas/enums
[INFO] tweaked toml for git repo https://github.com/psatomas/enums written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/psatomas/enums on toolchain 78c81ee3917a99dcff6e2e6822800f0492c415c3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/psatomas/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" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking psatomas/enums against try#78c81ee3917a99dcff6e2e6822800f0492c415c3 for pr-148967
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsatomas%2Fenums" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/psatomas/enums
[INFO] finished tweaking git repo https://github.com/psatomas/enums
[INFO] tweaked toml for git repo https://github.com/psatomas/enums written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/psatomas/enums on toolchain 78c81ee3917a99dcff6e2e6822800f0492c415c3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/psatomas/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" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1003c37d5cc04b3e26ea559d5ba5153dd58b7acc1100731ef58525f02aa0c821
[INFO] running `Command { std: "docker" "start" "-a" "1003c37d5cc04b3e26ea559d5ba5153dd58b7acc1100731ef58525f02aa0c821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1003c37d5cc04b3e26ea559d5ba5153dd58b7acc1100731ef58525f02aa0c821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1003c37d5cc04b3e26ea559d5ba5153dd58b7acc1100731ef58525f02aa0c821", kill_on_drop: false }`
[INFO] [stdout] 1003c37d5cc04b3e26ea559d5ba5153dd58b7acc1100731ef58525f02aa0c821
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9bdd211710cb7e38b6114fb489ee9fefedbc986e0cfc33e9f210081efdbb5c1
[INFO] running `Command { std: "docker" "start" "-a" "e9bdd211710cb7e38b6114fb489ee9fefedbc986e0cfc33e9f210081efdbb5c1", kill_on_drop: false }`
[INFO] [stderr]     Checking enums v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Linux` is never constructed
[INFO] [stdout]  --> src/bin/the_match_keyword_ii.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum OperatingSystem {
[INFO] [stdout]   |      --------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 4 |     Linux,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Linux` is never constructed
[INFO] [stdout]  --> src/bin/the_match_keyword_ii.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum OperatingSystem {
[INFO] [stdout]   |      --------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 4 |     Linux,
[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 `LowFat` and `Whole` are never constructed
[INFO] [stdout]  --> src/bin/the_let_else_construct.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Milk {
[INFO] [stdout]   |      ---- variants in this enum
[INFO] [stdout] 2 |     LowFat(i32),
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 3 |     Whole,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visa`
[INFO] [stdout]   --> src/bin/struct_variants.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let visa = PaymentMethodType::CreditCard(String::from("0034-5678"));
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_visa`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `visa`
[INFO] [stdout]   --> src/bin/struct_variants.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let visa = PaymentMethodType::CreditCard(String::from("0034-5678"));
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_visa`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Ordered`, `Packed`, and `Delivered` are never constructed
[INFO] [stdout]  --> src/bin/the_match_keyword_iv.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum OnlineOrderStatus {
[INFO] [stdout]   |      ----------------- variants in this enum
[INFO] [stdout] 3 |     Ordered,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 4 |     Packed,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 5 |     Shipped,
[INFO] [stdout] 6 |     Delivered,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `OnlineOrderStatus` 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: field `0` is never read
[INFO] [stdout]  --> src/bin/struct_variants.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 |     CreditCard(String),
[INFO] [stdout]   |     ---------- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PaymentMethodType` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 3 -     CreditCard(String),
[INFO] [stdout] 3 +     CreditCard(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `username` and `password` are never read
[INFO] [stdout]  --> src/bin/struct_variants.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 |     PayPal { username: String, password: String },
[INFO] [stdout]   |     ------   ^^^^^^^^          ^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PaymentMethodType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `DebitCard` and `Cash` are never constructed
[INFO] [stdout]  --> src/bin/struct_variants.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum PaymentMethodType {
[INFO] [stdout]   |      ----------------- variants in this enum
[INFO] [stdout] 3 |     CreditCard(String),
[INFO] [stdout] 4 |     DebitCard(String),
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 5 |     PayPal { username: String, password: String },
[INFO] [stdout] 6 |     Cash,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PaymentMethodType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/bin/enum_with_associated_values_ii.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 |     CreditCard(String),
[INFO] [stdout]   |     ---------- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PaymentMethodType` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 3 -     CreditCard(String),
[INFO] [stdout] 3 +     CreditCard(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/bin/enum_with_associated_values_ii.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     PayPal(String, String),
[INFO] [stdout]   |     ------ ^^^^^^  ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PaymentMethodType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 5 -     PayPal(String, String),
[INFO] [stdout] 5 +     PayPal((), ()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `DebitCard` is never constructed
[INFO] [stdout]  --> src/bin/enum_with_associated_values_ii.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum PaymentMethodType {
[INFO] [stdout]   |      ----------------- variant in this enum
[INFO] [stdout] 3 |     CreditCard(String),
[INFO] [stdout] 4 |     DebitCard(String),
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PaymentMethodType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/bin/struct_variants.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 |     CreditCard(String),
[INFO] [stdout]   |     ---------- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PaymentMethodType` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 3 -     CreditCard(String),
[INFO] [stdout] 3 +     CreditCard(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `username` and `password` are never read
[INFO] [stdout]  --> src/bin/struct_variants.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 |     PayPal { username: String, password: String },
[INFO] [stdout]   |     ------   ^^^^^^^^          ^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PaymentMethodType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `DebitCard` and `Cash` are never constructed
[INFO] [stdout]  --> src/bin/struct_variants.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum PaymentMethodType {
[INFO] [stdout]   |      ----------------- variants in this enum
[INFO] [stdout] 3 |     CreditCard(String),
[INFO] [stdout] 4 |     DebitCard(String),
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 5 |     PayPal { username: String, password: String },
[INFO] [stdout] 6 |     Cash,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PaymentMethodType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Windows` and `Linux` are never constructed
[INFO] [stdout]  --> src/bin/the_match_keyword_i.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum OperatingSystem {
[INFO] [stdout]   |      --------------- variants in this enum
[INFO] [stdout] 2 |     Windows,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 3 |     MacOS,
[INFO] [stdout] 4 |     Linux,
[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 `LowFat` and `NonDairy` are never constructed
[INFO] [stdout]  --> src/bin/the_if_let_construct.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Milk {
[INFO] [stdout]   |      ---- variants in this enum
[INFO] [stdout] 2 |     LowFat(i32),
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 3 |     Whole,
[INFO] [stdout] 4 |     NonDairy { kind: String },
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/bin/enum_with_associated_values_ii.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 |     CreditCard(String),
[INFO] [stdout]   |     ---------- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PaymentMethodType` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 3 -     CreditCard(String),
[INFO] [stdout] 3 +     CreditCard(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/bin/enum_with_associated_values_ii.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     PayPal(String, String),
[INFO] [stdout]   |     ------ ^^^^^^  ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PaymentMethodType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 5 -     PayPal(String, String),
[INFO] [stdout] 5 +     PayPal((), ()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `DebitCard` is never constructed
[INFO] [stdout]  --> src/bin/enum_with_associated_values_ii.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum PaymentMethodType {
[INFO] [stdout]   |      ----------------- variant in this enum
[INFO] [stdout] 3 |     CreditCard(String),
[INFO] [stdout] 4 |     DebitCard(String),
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PaymentMethodType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Ordered`, `Packed`, and `Delivered` are never constructed
[INFO] [stdout]  --> src/bin/the_match_keyword_iv.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum OnlineOrderStatus {
[INFO] [stdout]   |      ----------------- variants in this enum
[INFO] [stdout] 3 |     Ordered,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 4 |     Packed,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 5 |     Shipped,
[INFO] [stdout] 6 |     Delivered,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `OnlineOrderStatus` 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: field `0` is never read
[INFO] [stdout]  --> src/bin/enum_with_associated_values_i.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 |     CreditCard(String),
[INFO] [stdout]   |     ---------- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PaymentMethodType` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 3 -     CreditCard(String),
[INFO] [stdout] 3 +     CreditCard(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/bin/enum_with_associated_values_i.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 |     DebitCard(String),
[INFO] [stdout]   |     --------- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PaymentMethodType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 4 -     DebitCard(String),
[INFO] [stdout] 4 +     DebitCard(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PayPal` is never constructed
[INFO] [stdout]  --> src/bin/enum_with_associated_values_i.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum PaymentMethodType {
[INFO] [stdout]   |      ----------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 5 |     PayPal(String),
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PaymentMethodType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first_card`
[INFO] [stdout]   --> src/bin/intro_to_enums.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let first_card: CardSuit = CardSuit::Hearts;
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_card`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `card_suits`
[INFO] [stdout]   --> src/bin/intro_to_enums.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let card_suits = [CardSuit::Hearts, CardSuit::Clubs];
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_card_suits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `card_suits`
[INFO] [stdout]   --> src/bin/intro_to_enums.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let card_suits = (CardSuit::Diamonds, CardSuit::Spades);
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_card_suits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `second_card` is never read
[INFO] [stdout]   --> src/bin/intro_to_enums.rs:15:27
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut second_card = CardSuit::Spades;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Card` is never constructed
[INFO] [stdout]  --> src/bin/intro_to_enums.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Card {
[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 `Silver` and `Platinum` are never constructed
[INFO] [stdout]   --> src/bin/coding_challeng.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | enum Tier {
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout] 40 |     Gold,
[INFO] [stdout] 41 |     Silver,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 42 |     Platinum,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Tier` 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: unused variable: `first_card`
[INFO] [stdout]   --> src/bin/intro_to_enums.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let first_card: CardSuit = CardSuit::Hearts;
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_card`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `card_suits`
[INFO] [stdout]   --> src/bin/intro_to_enums.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let card_suits = [CardSuit::Hearts, CardSuit::Clubs];
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_card_suits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `card_suits`
[INFO] [stdout]   --> src/bin/intro_to_enums.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let card_suits = (CardSuit::Diamonds, CardSuit::Spades);
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_card_suits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `second_card` is never read
[INFO] [stdout]   --> src/bin/intro_to_enums.rs:15:27
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut second_card = CardSuit::Spades;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Card` is never constructed
[INFO] [stdout]  --> src/bin/intro_to_enums.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Card {
[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 `LowFat` and `Whole` are never constructed
[INFO] [stdout]  --> src/bin/the_let_else_construct.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Milk {
[INFO] [stdout]   |      ---- variants in this enum
[INFO] [stdout] 2 |     LowFat(i32),
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 3 |     Whole,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `bowl` should have an upper camel case name
[INFO] [stdout]   --> src/bin/nesting_enums_in_enums.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     bowl{meat: Meat, beans: Beans},
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case: `Bowl`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `vaganPlate` should have an upper camel case name
[INFO] [stdout]   --> src/bin/nesting_enums_in_enums.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     vaganPlate,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `VaganPlate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Windows` and `Linux` are never constructed
[INFO] [stdout]  --> src/bin/the_match_keyword_i.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum OperatingSystem {
[INFO] [stdout]   |      --------------- variants in this enum
[INFO] [stdout] 2 |     Windows,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 3 |     MacOS,
[INFO] [stdout] 4 |     Linux,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/bin/enum_with_associated_values_i.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 |     CreditCard(String),
[INFO] [stdout]   |     ---------- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PaymentMethodType` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 3 -     CreditCard(String),
[INFO] [stdout] 3 +     CreditCard(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/bin/enum_with_associated_values_i.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 |     DebitCard(String),
[INFO] [stdout]   |     --------- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PaymentMethodType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 4 -     DebitCard(String),
[INFO] [stdout] 4 +     DebitCard(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PayPal` is never constructed
[INFO] [stdout]  --> src/bin/enum_with_associated_values_i.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum PaymentMethodType {
[INFO] [stdout]   |      ----------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 5 |     PayPal(String),
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PaymentMethodType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `LowFat` and `NonDairy` are never constructed
[INFO] [stdout]  --> src/bin/the_if_let_construct.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Milk {
[INFO] [stdout]   |      ---- variants in this enum
[INFO] [stdout] 2 |     LowFat(i32),
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 3 |     Whole,
[INFO] [stdout] 4 |     NonDairy { kind: String },
[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 `Silver` and `Platinum` are never constructed
[INFO] [stdout]   --> src/bin/coding_challeng.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | enum Tier {
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout] 40 |     Gold,
[INFO] [stdout] 41 |     Silver,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 42 |     Platinum,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Tier` 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: variant `bowl` should have an upper camel case name
[INFO] [stdout]   --> src/bin/nesting_enums_in_enums.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     bowl{meat: Meat, beans: Beans},
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case: `Bowl`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `vaganPlate` should have an upper camel case name
[INFO] [stdout]   --> src/bin/nesting_enums_in_enums.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     vaganPlate,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `VaganPlate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `meat` and `beans` are never read
[INFO] [stdout]   --> src/bin/nesting_enums_in_enums.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Burrito{meat: Meat, beans: Beans},
[INFO] [stdout]    |     ------- ^^^^        ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RestaurantItem` 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: fields `meat` and `beans` are never read
[INFO] [stdout]   --> src/bin/nesting_enums_in_enums.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |     bowl{meat: Meat, beans: Beans},
[INFO] [stdout]    |     ---- ^^^^        ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RestaurantItem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `meat` and `beans` are never read
[INFO] [stdout]   --> src/bin/nesting_enums_in_enums.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Burrito{meat: Meat, beans: Beans},
[INFO] [stdout]    |     ------- ^^^^        ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RestaurantItem` 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: fields `meat` and `beans` are never read
[INFO] [stdout]   --> src/bin/nesting_enums_in_enums.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |     bowl{meat: Meat, beans: Beans},
[INFO] [stdout]    |     ---- ^^^^        ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RestaurantItem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "e9bdd211710cb7e38b6114fb489ee9fefedbc986e0cfc33e9f210081efdbb5c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9bdd211710cb7e38b6114fb489ee9fefedbc986e0cfc33e9f210081efdbb5c1", kill_on_drop: false }`
[INFO] [stdout] e9bdd211710cb7e38b6114fb489ee9fefedbc986e0cfc33e9f210081efdbb5c1
