[INFO] cloning repository https://github.com/mike-neck/my-rust-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mike-neck/my-rust-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmike-neck%2Fmy-rust-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmike-neck%2Fmy-rust-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 69b684297945265e1ccf9457fd1d90a177157f83
[INFO] checking mike-neck/my-rust-example against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmike-neck%2Fmy-rust-example" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mike-neck/my-rust-example
[INFO] finished tweaking git repo https://github.com/mike-neck/my-rust-example
[INFO] tweaked toml for git repo https://github.com/mike-neck/my-rust-example written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mike-neck/my-rust-example on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mike-neck/my-rust-example 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vararg v0.1.1
[INFO] [stderr]   Downloaded syn v1.0.105
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4e9f94b01e301a94c2f2740cb4426d009f5c56205ca32ad780d9f74b862835f
[INFO] running `Command { std: "docker" "start" "-a" "f4e9f94b01e301a94c2f2740cb4426d009f5c56205ca32ad780d9f74b862835f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4e9f94b01e301a94c2f2740cb4426d009f5c56205ca32ad780d9f74b862835f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4e9f94b01e301a94c2f2740cb4426d009f5c56205ca32ad780d9f74b862835f", kill_on_drop: false }`
[INFO] [stdout] f4e9f94b01e301a94c2f2740cb4426d009f5c56205ca32ad780d9f74b862835f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93bd1c3d9a8d96e42cc5d74179536883123acdfee749033bed24b201d2c5eadb
[INFO] running `Command { std: "docker" "start" "-a" "93bd1c3d9a8d96e42cc5d74179536883123acdfee749033bed24b201d2c5eadb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling vararg v0.1.1
[INFO] [stderr]     Checking my-rust-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `traditional_game`
[INFO] [stdout]  --> src/game.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn traditional_game<const L: usize>(rules: &[Box<dyn Rule>; L]) -> Box<dyn Game> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Debug`
[INFO] [stdout]  --> src/panic.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::Debug;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/panic.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         panic!("exit impl termination!!!!!");
[INFO] [stdout]    |         ------------------------------------ any code following this expression is unreachable
[INFO] [stdout] 31 |         ExitCode::FAILURE
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rules`
[INFO] [stdout]  --> src/game.rs:8:41
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn traditional_game<const L: usize>(rules: &[Box<dyn Rule>; L]) -> Box<dyn Game> {
[INFO] [stdout]   |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_rules`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/panic.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let t = Exit {};
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `INSTANCE` is never used
[INFO] [stdout]   --> src/rule.rs:41:15
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl DefaultRule {
[INFO] [stdout]    | ---------------- associated constant in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub const INSTANCE: DefaultRule = DefaultRule {};
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/value.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Value {
[INFO] [stdout]   | ---------- associated function in this implementation
[INFO] [stdout] 9 |     pub fn new() -> Value {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `apply` is never used
[INFO] [stdout]   --> src/game.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait Game {
[INFO] [stdout]    |           ---- method in this trait
[INFO] [stdout] 13 |     fn apply(&self, values: &Vec<i32>) -> Vec<Value>;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DefaultGame` is never constructed
[INFO] [stdout]   --> src/game.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct DefaultGame {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `traditional_game`
[INFO] [stdout]  --> src/game.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn traditional_game<const L: usize>(rules: &[Box<dyn Rule>; L]) -> Box<dyn Game> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Debug`
[INFO] [stdout]  --> src/panic.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::Debug;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/panic.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         panic!("exit impl termination!!!!!");
[INFO] [stdout]    |         ------------------------------------ any code following this expression is unreachable
[INFO] [stdout] 31 |         ExitCode::FAILURE
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rules`
[INFO] [stdout]  --> src/game.rs:8:41
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn traditional_game<const L: usize>(rules: &[Box<dyn Rule>; L]) -> Box<dyn Game> {
[INFO] [stdout]   |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_rules`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/panic.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let t = Exit {};
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Rule` is never used
[INFO] [stdout]  --> src/rule.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Rule {
[INFO] [stdout]   |           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `traditional_rule` is never used
[INFO] [stdout]  --> src/rule.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn traditional_rule(divisor: i32, text: String) -> Box<dyn Rule> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AppendingFixedTextOnMultipleOfN` is never constructed
[INFO] [stdout]   --> src/rule.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct AppendingFixedTextOnMultipleOfN {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DefaultRule` is never constructed
[INFO] [stdout]   --> src/rule.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct DefaultRule {}
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `apply` and `INSTANCE` are never used
[INFO] [stdout]   --> src/rule.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl DefaultRule {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 35 |     pub fn apply(value: Value) -> Value {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub const INSTANCE: DefaultRule = DefaultRule {};
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Value` is never constructed
[INFO] [stdout]  --> src/value.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Value {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `original` are never used
[INFO] [stdout]   --> src/value.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl Value {
[INFO] [stdout]    | ---------- associated functions in this implementation
[INFO] [stdout]  9 |     pub fn new() -> Value {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub fn original(original: i32) -> Value {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `traditional_game` is never used
[INFO] [stdout]  --> src/game.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn traditional_game<const L: usize>(rules: &[Box<dyn Rule>; L]) -> Box<dyn Game> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Game` is never used
[INFO] [stdout]   --> src/game.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait Game {
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DefaultGame` is never constructed
[INFO] [stdout]   --> src/game.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct DefaultGame {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `one` is never used
[INFO] [stdout]   --> src/panic.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn one() {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two` is never used
[INFO] [stdout]   --> src/panic.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn two() {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `three` is never used
[INFO] [stdout]   --> src/panic.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn three() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Exit` is never constructed
[INFO] [stdout]   --> src/panic.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct Exit {}
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_exit` is never used
[INFO] [stdout]   --> src/panic.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn create_exit() -> Exit {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_no_panic` is never used
[INFO] [stdout]   --> src/panic.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn make_no_panic(msg: String) -> Result<String, Panic> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Panic` is never constructed
[INFO] [stdout]  --> src/example/deep.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Panic {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.67s
[INFO] running `Command { std: "docker" "inspect" "93bd1c3d9a8d96e42cc5d74179536883123acdfee749033bed24b201d2c5eadb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93bd1c3d9a8d96e42cc5d74179536883123acdfee749033bed24b201d2c5eadb", kill_on_drop: false }`
[INFO] [stdout] 93bd1c3d9a8d96e42cc5d74179536883123acdfee749033bed24b201d2c5eadb
