[INFO] cloning repository https://github.com/resqiar/learn-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/resqiar/learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fresqiar%2Flearn-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fresqiar%2Flearn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 03dcd84b9a7e2307cf9043cb2f146bf6d52fe7db
[INFO] testing resqiar/learn-rust against 1.93.0 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fresqiar%2Flearn-rust" "/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/resqiar/learn-rust
[INFO] finished tweaking git repo https://github.com/resqiar/learn-rust
[INFO] tweaked toml for git repo https://github.com/resqiar/learn-rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/resqiar/learn-rust on toolchain 1.93.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.93.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/resqiar/learn-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" "+1.93.0" "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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23cbc096e9cf074daeaa2803ec288ddbc7619468642f8f230614c9d8c97e5a98
[INFO] running `Command { std: "docker" "start" "-a" "23cbc096e9cf074daeaa2803ec288ddbc7619468642f8f230614c9d8c97e5a98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23cbc096e9cf074daeaa2803ec288ddbc7619468642f8f230614c9d8c97e5a98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23cbc096e9cf074daeaa2803ec288ddbc7619468642f8f230614c9d8c97e5a98", kill_on_drop: false }`
[INFO] [stdout] 23cbc096e9cf074daeaa2803ec288ddbc7619468642f8f230614c9d8c97e5a98
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20d8ba6946469ac78bc84192c5290143eaad41df952bff702f5ec545bf904ca3
[INFO] running `Command { std: "docker" "start" "-a" "20d8ba6946469ac78bc84192c5290143eaad41df952bff702f5ec545bf904ca3", kill_on_drop: false }`
[INFO] [stderr]    Compiling learning_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `kind` and `value` are never read
[INFO] [stdout]  --> src/enums_mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Language {
[INFO] [stdout]   |        -------- fields in this struct
[INFO] [stdout] 3 |     kind: LanguageKind,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 4 |     value: Phrase,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Language` 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/enums_mod.rs:28:19
[INFO] [stdout]    |
[INFO] [stdout] 28 |     MorningSalute(String),
[INFO] [stdout]    |     ------------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Phrase` 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] 28 -     MorningSalute(String),
[INFO] [stdout] 28 +     MorningSalute(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/enums_mod.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |     NightSalute(String),
[INFO] [stdout]    |     ----------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Phrase` 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] 29 -     NightSalute(String),
[INFO] [stdout] 29 +     NightSalute(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `total_game` and `final_score` are never read
[INFO] [stdout]  --> src/generic_mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Game<T, U> {
[INFO] [stdout]   |        ---- fields in this struct
[INFO] [stdout] 3 |     total_game: T,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 4 |     final_score: U,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Game` 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 `Electric` and `Petrol` are never constructed
[INFO] [stdout]  --> src/match_mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum VType {
[INFO] [stdout]   |      ----- variants in this enum
[INFO] [stdout] 3 |     Electric,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 4 |     Diesel,
[INFO] [stdout] 5 |     Petrol,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `VType` 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 `0`, `1`, and `2` are never read
[INFO] [stdout]  --> src/struct_mod.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Color(pub u32, pub u32, pub u32);
[INFO] [stdout]   |            ----- ^^^^^^^  ^^^^^^^  ^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            fields in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing these fields
[INFO] [stdout]   = note: `Color` 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 `id` and `name` are never read
[INFO] [stdout]  --> src/struct_mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Vehicle {
[INFO] [stdout]   |        ------- fields in this struct
[INFO] [stdout] 6 |     id: usize,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 7 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Vehicle` 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 `color` is never read
[INFO] [stdout]   --> src/struct_mod.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Rect {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 14 |     pub name: String,
[INFO] [stdout] 15 |     pub color: Color,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sum_num` is never used
[INFO] [stdout]  --> src/test_mod.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn sum_num(a: i32, b: i32) -> i32 {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "20d8ba6946469ac78bc84192c5290143eaad41df952bff702f5ec545bf904ca3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20d8ba6946469ac78bc84192c5290143eaad41df952bff702f5ec545bf904ca3", kill_on_drop: false }`
[INFO] [stdout] 20d8ba6946469ac78bc84192c5290143eaad41df952bff702f5ec545bf904ca3
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79447b99eca79f63af69c9003f343164f2fed541d87628e4d388320858bc59c7
[INFO] running `Command { std: "docker" "start" "-a" "79447b99eca79f63af69c9003f343164f2fed541d87628e4d388320858bc59c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling learning_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `kind` and `value` are never read
[INFO] [stdout]  --> src/enums_mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Language {
[INFO] [stdout]   |        -------- fields in this struct
[INFO] [stdout] 3 |     kind: LanguageKind,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 4 |     value: Phrase,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Language` 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/enums_mod.rs:28:19
[INFO] [stdout]    |
[INFO] [stdout] 28 |     MorningSalute(String),
[INFO] [stdout]    |     ------------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Phrase` 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] 28 -     MorningSalute(String),
[INFO] [stdout] 28 +     MorningSalute(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/enums_mod.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |     NightSalute(String),
[INFO] [stdout]    |     ----------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Phrase` 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] 29 -     NightSalute(String),
[INFO] [stdout] 29 +     NightSalute(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `total_game` and `final_score` are never read
[INFO] [stdout]  --> src/generic_mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Game<T, U> {
[INFO] [stdout]   |        ---- fields in this struct
[INFO] [stdout] 3 |     total_game: T,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 4 |     final_score: U,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Game` 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 `Electric` and `Petrol` are never constructed
[INFO] [stdout]  --> src/match_mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum VType {
[INFO] [stdout]   |      ----- variants in this enum
[INFO] [stdout] 3 |     Electric,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 4 |     Diesel,
[INFO] [stdout] 5 |     Petrol,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `VType` 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 `0`, `1`, and `2` are never read
[INFO] [stdout]  --> src/struct_mod.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Color(pub u32, pub u32, pub u32);
[INFO] [stdout]   |            ----- ^^^^^^^  ^^^^^^^  ^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            fields in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing these fields
[INFO] [stdout]   = note: `Color` 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 `id` and `name` are never read
[INFO] [stdout]  --> src/struct_mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Vehicle {
[INFO] [stdout]   |        ------- fields in this struct
[INFO] [stdout] 6 |     id: usize,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 7 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Vehicle` 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 `color` is never read
[INFO] [stdout]   --> src/struct_mod.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Rect {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 14 |     pub name: String,
[INFO] [stdout] 15 |     pub color: Color,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "79447b99eca79f63af69c9003f343164f2fed541d87628e4d388320858bc59c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79447b99eca79f63af69c9003f343164f2fed541d87628e4d388320858bc59c7", kill_on_drop: false }`
[INFO] [stdout] 79447b99eca79f63af69c9003f343164f2fed541d87628e4d388320858bc59c7
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 97dcfbcaf08f172a8b6e27acd5086d92cfab57cfc3c1168be1038de098d89072
[INFO] running `Command { std: "docker" "start" "-a" "97dcfbcaf08f172a8b6e27acd5086d92cfab57cfc3c1168be1038de098d89072", kill_on_drop: false }`
[INFO] [stderr] warning: fields `kind` and `value` are never read
[INFO] [stderr]  --> src/enums_mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | struct Language {
[INFO] [stderr]   |        -------- fields in this struct
[INFO] [stderr] 3 |     kind: LanguageKind,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 4 |     value: Phrase,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Language` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/enums_mod.rs:28:19
[INFO] [stderr]    |
[INFO] [stderr] 28 |     MorningSalute(String),
[INFO] [stderr]    |     ------------- ^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Phrase` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 28 -     MorningSalute(String),
[INFO] [stderr] 28 +     MorningSalute(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/enums_mod.rs:29:17
[INFO] [stderr]    |
[INFO] [stderr] 29 |     NightSalute(String),
[INFO] [stderr]    |     ----------- ^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Phrase` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 29 -     NightSalute(String),
[INFO] [stderr] 29 +     NightSalute(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: fields `total_game` and `final_score` are never read
[INFO] [stderr]  --> src/generic_mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | struct Game<T, U> {
[INFO] [stderr]   |        ---- fields in this struct
[INFO] [stderr] 3 |     total_game: T,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 4 |     final_score: U,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Game` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Electric` and `Petrol` are never constructed
[INFO] [stderr]  --> src/match_mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | enum VType {
[INFO] [stderr]   |      ----- variants in this enum
[INFO] [stderr] 3 |     Electric,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 4 |     Diesel,
[INFO] [stderr] 5 |     Petrol,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `VType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `0`, `1`, and `2` are never read
[INFO] [stderr]  --> src/struct_mod.rs:2:18
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub struct Color(pub u32, pub u32, pub u32);
[INFO] [stderr]   |            ----- ^^^^^^^  ^^^^^^^  ^^^^^^^
[INFO] [stderr]   |            |
[INFO] [stderr]   |            fields in this struct
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing these fields
[INFO] [stderr]   = note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `id` and `name` are never read
[INFO] [stderr]  --> src/struct_mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct Vehicle {
[INFO] [stderr]   |        ------- fields in this struct
[INFO] [stderr] 6 |     id: usize,
[INFO] [stderr]   |     ^^
[INFO] [stderr] 7 |     name: String,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Vehicle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `color` is never read
[INFO] [stderr]   --> src/struct_mod.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub struct Rect {
[INFO] [stderr]    |            ---- field in this struct
[INFO] [stderr] 14 |     pub name: String,
[INFO] [stderr] 15 |     pub color: Color,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `learning_rust` (bin "learning_rust" test) generated 8 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/learning_rust-ca2bbc55fd89f195)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_mod::can_hold_test ... FAILED
[INFO] [stdout] test test_mod::sum_test ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test_mod::can_hold_test stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'test_mod::can_hold_test' (17) panicked at src/test_mod.rs:33:5:
[INFO] [stdout] Should hold the second Box
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x57034c4b5072 - std::backtrace_rs::backtrace::libunwind::trace::h90e89fac33585832
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x57034c4b5072 - std::backtrace_rs::backtrace::trace_unsynchronized::heebcf2380a8e7359
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x57034c4b5072 - std::sys::backtrace::_print_fmt::hdf3e2a22d2f810db
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:68:9
[INFO] [stdout]    3:     0x57034c4b5072 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hac1d885928ba8582
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:38:26
[INFO] [stdout]    4:     0x57034c4c4d87 - core::fmt::rt::Argument::fmt::h6901eb7c19abebe8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x57034c4c4d87 - core::fmt::write::h83ebb4d32483be9e
[INFO] [stdout]    6:     0x57034c483e26 - std::io::default_write_fmt::h751a79cdae495f10
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x57034c483e26 - std::io::Write::write_fmt::h9ef514f8700ff7b2
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x57034c494439 - std::sys::backtrace::BacktraceLock::print::hcc2e1a3ac996c911
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:41:9
[INFO] [stdout]    9:     0x57034c494439 - std::panicking::default_hook::{{closure}}::h8e9c4d1276f0925f
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x57034c4942d1 - std::panicking::default_hook::h2b2078d38b534dfb
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x57034c458a6e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h39d051e7dedac6a7
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x57034c458a6e - test::test_main_with_exit_callback::{{closure}}::h4b005fe75814c302
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x57034c4946b2 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd426070722c13cbf
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x57034c4946b2 - std::panicking::panic_with_hook::h39b739724e701bfd
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x57034c49452a - std::panicking::panic_handler::{{closure}}::he540c4833054e458
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x57034c48fac9 - std::sys::backtrace::__rust_end_short_backtrace::hfa179d89deec8aed
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:176:18
[INFO] [stdout]   17:     0x57034c478bed - __rustc[d131491b17107b07]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x57034c4cc18c - core::panicking::panic_fmt::ha564519d657d9c46
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x57034c438d15 - learning_rust::test_mod::can_hold_test::h2bbb00d88928b5b8
[INFO] [stdout]                                at /opt/rustwide/workdir/src/test_mod.rs:33:5
[INFO] [stdout]   20:     0x57034c438d47 - learning_rust::test_mod::can_hold_test::{{closure}}::h3341f59b3de9842d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/test_mod.rs:16:19
[INFO] [stdout]   21:     0x57034c438f46 - core::ops::function::FnOnce::call_once::h424f20dbd5c2ca0d
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x57034c45889b - core::ops::function::FnOnce::call_once::h0217b30cfdee2e67
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x57034c45889b - test::__rust_begin_short_backtrace::h6d98714a1e28f556
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:663:18
[INFO] [stdout]   24:     0x57034c46c22a - test::run_test_in_process::{{closure}}::he2c70d2634d3a3cc
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:74
[INFO] [stdout]   25:     0x57034c46c22a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h40a0a825bcf17fdd
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   26:     0x57034c46c22a - std::panicking::catch_unwind::do_call::h6c8eb5dd6e7b5975
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27:     0x57034c46c22a - std::panicking::catch_unwind::h55455eac2972ad1e
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x57034c46c22a - std::panic::catch_unwind::h0025465150a5e558
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x57034c46c22a - test::run_test_in_process::hb61e682f9b630fbc
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:27
[INFO] [stdout]   30:     0x57034c46c22a - test::run_test::{{closure}}::hc2c2a7a38ab176e2
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:607:43
[INFO] [stdout]   31:     0x57034c4464c4 - test::run_test::{{closure}}::ha91867b85cd2a911
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:637:41
[INFO] [stdout]   32:     0x57034c4464c4 - std::sys::backtrace::__rust_begin_short_backtrace::ha00a9fe02049c339
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:160:18
[INFO] [stdout]   33:     0x57034c449df2 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::hd629fba9153dfb55
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:92:13
[INFO] [stdout]   34:     0x57034c449df2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4189018816a5c5d9
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   35:     0x57034c449df2 - std::panicking::catch_unwind::do_call::hf9fcdbca3c2e9877
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   36:     0x57034c449df2 - std::panicking::catch_unwind::h97b92d88631c7c64
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   37:     0x57034c449df2 - std::panic::catch_unwind::ha77cdbb68e725e5e
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stderr] error: test failed, to rerun pass `--bin learning_rust`
[INFO] [stdout]   38:     0x57034c449df2 - std::thread::lifecycle::spawn_unchecked::{{closure}}::h511f05bc1a132253
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:90:26
[INFO] [stdout]   39:     0x57034c449df2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6b68b31e9b685cb8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x57034c48b15f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h22a27d165e4e871d
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   41:     0x57034c48b15f - std::sys::thread::unix::Thread::new::thread_start::h45cc87bb053add0f
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   42:     0x73eeccad9aa4 - <unknown>
[INFO] [stdout]   43:     0x73eeccb66a64 - clone
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test_mod::can_hold_test
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "97dcfbcaf08f172a8b6e27acd5086d92cfab57cfc3c1168be1038de098d89072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97dcfbcaf08f172a8b6e27acd5086d92cfab57cfc3c1168be1038de098d89072", kill_on_drop: false }`
[INFO] [stdout] 97dcfbcaf08f172a8b6e27acd5086d92cfab57cfc3c1168be1038de098d89072
