[INFO] cloning repository https://github.com/ritikmishra/iliketherusttypesystem
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ritikmishra/iliketherusttypesystem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fritikmishra%2Filiketherusttypesystem", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fritikmishra%2Filiketherusttypesystem'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c196d010bfc20299abfe20670af154e3accfc9b5
[INFO] checking ritikmishra/iliketherusttypesystem against master#2a023bf80a6fbd6a06d5460a34eb247b986286ed for pr-143764
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fritikmishra%2Filiketherusttypesystem" "/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/ritikmishra/iliketherusttypesystem
[INFO] finished tweaking git repo https://github.com/ritikmishra/iliketherusttypesystem
[INFO] tweaked toml for git repo https://github.com/ritikmishra/iliketherusttypesystem written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ritikmishra/iliketherusttypesystem on toolchain 2a023bf80a6fbd6a06d5460a34eb247b986286ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ritikmishra/iliketherusttypesystem 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" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fba2f2f6354f3137a4fc283a939b095eb46a884f9acdab83103313776f0db68d
[INFO] running `Command { std: "docker" "start" "-a" "fba2f2f6354f3137a4fc283a939b095eb46a884f9acdab83103313776f0db68d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fba2f2f6354f3137a4fc283a939b095eb46a884f9acdab83103313776f0db68d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fba2f2f6354f3137a4fc283a939b095eb46a884f9acdab83103313776f0db68d", kill_on_drop: false }`
[INFO] [stdout] fba2f2f6354f3137a4fc283a939b095eb46a884f9acdab83103313776f0db68d
[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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2eb0601421cc8e6dd4ddb2ecf973c4000c42b0d92beddbe93780bfe61f289375
[INFO] running `Command { std: "docker" "start" "-a" "2eb0601421cc8e6dd4ddb2ecf973c4000c42b0d92beddbe93780bfe61f289375", kill_on_drop: false }`
[INFO] [stderr]     Checking type_system_nqueens v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `convert::TryInto`
[INFO] [stdout]   --> src/gameoflife.rs:16:37
[INFO] [stdout]    |
[INFO] [stdout] 16 |     use std::{collections::HashMap, convert::TryInto};
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `convert::TryInto`
[INFO] [stdout]   --> src/gameoflife.rs:16:37
[INFO] [stdout]    |
[INFO] [stdout] 16 |     use std::{collections::HashMap, convert::TryInto};
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::lists::StrRepr`
[INFO] [stdout]    --> src/numbers.rs:242:9
[INFO] [stdout]     |
[INFO] [stdout] 242 |     use crate::lists::StrRepr;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::lists::StrRepr`
[INFO] [stdout]    --> src/numbers.rs:242:9
[INFO] [stdout]     |
[INFO] [stdout] 242 |     use crate::lists::StrRepr;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `FUNNY_ZERO` should have an upper camel case name
[INFO] [stdout]    --> src/numbers.rs:245:14
[INFO] [stdout]     |
[INFO] [stdout] 245 |         type FUNNY_ZERO = Successor<Negative<N1>>;
[INFO] [stdout]     |              ^^^^^^^^^^ help: convert the identifier to upper camel case: `FunnyZero`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `NEG_2` should have an upper camel case name
[INFO] [stdout]    --> src/numbers.rs:246:14
[INFO] [stdout]     |
[INFO] [stdout] 246 |         type NEG_2 = Successor<Negative<Successor<Zero>>>;
[INFO] [stdout]     |              ^^^^^ help: convert the identifier to upper camel case: `Neg2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `wut` should have an upper camel case name
[INFO] [stdout]    --> src/numbers.rs:248:14
[INFO] [stdout]     |
[INFO] [stdout] 248 |         type wut = m!(eq FUNNY_ZERO, NEG_2);
[INFO] [stdout]     |              ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Wut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `convert::TryInto`
[INFO] [stdout]   --> src/gameoflife.rs:16:37
[INFO] [stdout]    |
[INFO] [stdout] 16 |     use std::{collections::HashMap, convert::TryInto};
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `origin` should have an upper camel case name
[INFO] [stdout]    --> src/gameoflife.rs:279:14
[INFO] [stdout]     |
[INFO] [stdout] 279 |         type origin = Cell<Zero, Zero>;
[INFO] [stdout]     |              ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Origin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `left` should have an upper camel case name
[INFO] [stdout]    --> src/gameoflife.rs:280:14
[INFO] [stdout]     |
[INFO] [stdout] 280 |         type left = Cell<Negative<N1>, Zero>;
[INFO] [stdout]     |              ^^^^ help: convert the identifier to upper camel case: `Left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `right` should have an upper camel case name
[INFO] [stdout]    --> src/gameoflife.rs:281:14
[INFO] [stdout]     |
[INFO] [stdout] 281 |         type right = Cell<N1, Zero>;
[INFO] [stdout]     |              ^^^^^ help: convert the identifier to upper camel case: `Right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `cells` should have an upper camel case name
[INFO] [stdout]    --> src/gameoflife.rs:282:14
[INFO] [stdout]     |
[INFO] [stdout] 282 |         type cells = make_list!(left,origin,right,);
[INFO] [stdout]     |              ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Cells`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `result` should have an upper camel case name
[INFO] [stdout]    --> src/gameoflife.rs:284:14
[INFO] [stdout]     |
[INFO] [stdout] 284 |         type result = func_call!(SingleGOLIter[cells]);
[INFO] [stdout]     |              ^^^^^^ help: convert the identifier to upper camel case: `Result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `result2` should have an upper camel case name
[INFO] [stdout]    --> src/gameoflife.rs:286:14
[INFO] [stdout]     |
[INFO] [stdout] 286 |         type result2 = func_call!(SingleGOLIter[result]);
[INFO] [stdout]     |              ^^^^^^^ help: convert the identifier to upper camel case: `Result2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `counter` should have an upper camel case name
[INFO] [stdout]    --> src/gameoflife.rs:298:14
[INFO] [stdout]     |
[INFO] [stdout] 298 |         type counter = make_list!((Apple, N1), (Banana, N3), (Orange, N2),);
[INFO] [stdout]     |              ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Counter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `incremented_counter` should have an upper camel case name
[INFO] [stdout]    --> src/gameoflife.rs:331:14
[INFO] [stdout]     |
[INFO] [stdout] 331 |         type incremented_counter = <counter as IncrementItemCounter<Orange, EqualTypes>>::Output;
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `IncrementedCounter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `generic_associated_types` has been stable since 1.65.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/gameoflife_demo.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generic_associated_types, associated_type_bounds)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `associated_type_bounds` has been stable since 1.79.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/gameoflife_demo.rs:1:38
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generic_associated_types, associated_type_bounds)]
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `type_system_nqueens` (bin "type_system_nqueens"); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/2a023bf80a6fbd6a06d5460a34eb247b986286ed/bin/rustc --crate-name type_system_nqueens --edition=2018 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=19b66cafd6118c77 -C extra-filename=-64ec8b36acb847d3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 0)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `type_system_nqueens` (bin "type_system_nqueens" test); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/2a023bf80a6fbd6a06d5460a34eb247b986286ed/bin/rustc --crate-name type_system_nqueens --edition=2018 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=59473914c3cdf93b -C extra-filename=-8f801f75430e6352 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 0)
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/gameoflife.rs:51:57
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let smallest_x = board.iter().copied().map(|(x, y)| x).min()?;
[INFO] [stdout]    |                                                         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/gameoflife.rs:52:56
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let largest_x = board.iter().copied().map(|(x, y)| x).max()?;
[INFO] [stdout]    |                                                        ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/gameoflife.rs:53:54
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let smallest_y = board.iter().copied().map(|(x, y)| y).min()?;
[INFO] [stdout]    |                                                      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/gameoflife.rs:54:53
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let largest_y = board.iter().copied().map(|(x, y)| y).max()?;
[INFO] [stdout]    |                                                     ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `type_system_nqueens` (bin "gameoflife_demo"); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/2a023bf80a6fbd6a06d5460a34eb247b986286ed/bin/rustc --crate-name gameoflife_demo --edition=2018 src/gameoflife_demo.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=f4cb2b5ab72a7f49 -C extra-filename=-59500c342b3ec28f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 0)
[INFO] [stdout] warning: struct `BoolWrapper` is never constructed
[INFO] [stdout]   --> src/booleans.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub struct BoolWrapper<const VAL: bool>;
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `LiftBool` is never used
[INFO] [stdout]   --> src/booleans.rs:97:11
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub trait LiftBool {
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `threatens_type_test` is never used
[INFO] [stdout]   --> src/nqueens.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn threatens_type_test() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_prepend` is never used
[INFO] [stdout]    --> src/nqueens.rs:101:4
[INFO] [stdout]     |
[INFO] [stdout] 101 | fn test_prepend() {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_add_queen` is never used
[INFO] [stdout]    --> src/nqueens.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn test_add_queen() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_add_queen2` is never used
[INFO] [stdout]    --> src/nqueens.rs:132:4
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn test_add_queen2() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CheckIsList` is never constructed
[INFO] [stdout]    --> src/nqueens.rs:149:8
[INFO] [stdout]     |
[INFO] [stdout] 149 | struct CheckIsList;
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_add_queen_to_all` is never used
[INFO] [stdout]    --> src/nqueens.rs:154:4
[INFO] [stdout]     |
[INFO] [stdout] 154 | fn test_add_queen_to_all() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NQueensSolution` is never constructed
[INFO] [stdout]    --> src/nqueens.rs:196:12
[INFO] [stdout]     |
[INFO] [stdout] 196 | pub struct NQueensSolution;
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `N6` is never used
[INFO] [stdout]   --> src/numbers.rs:52:10
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub type N6 = Successor<N5>;
[INFO] [stdout]    |          ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `N7` is never used
[INFO] [stdout]   --> src/numbers.rs:53:10
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub type N7 = Successor<N6>;
[INFO] [stdout]    |          ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `N8` is never used
[INFO] [stdout]   --> src/numbers.rs:54:10
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub type N8 = Successor<N7>;
[INFO] [stdout]    |          ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RangeFn` is never constructed
[INFO] [stdout]    --> src/numbers.rs:213:12
[INFO] [stdout]     |
[INFO] [stdout] 213 | pub struct RangeFn;
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `FUNNY_ZERO` is never used
[INFO] [stdout]    --> src/numbers.rs:245:14
[INFO] [stdout]     |
[INFO] [stdout] 245 |         type FUNNY_ZERO = Successor<Negative<N1>>;
[INFO] [stdout]     |              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `NEG_2` is never used
[INFO] [stdout]    --> src/numbers.rs:246:14
[INFO] [stdout]     |
[INFO] [stdout] 246 |         type NEG_2 = Successor<Negative<Successor<Zero>>>;
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `wut` is never used
[INFO] [stdout]    --> src/numbers.rs:248:14
[INFO] [stdout]     |
[INFO] [stdout] 248 |         type wut = m!(eq FUNNY_ZERO, NEG_2);
[INFO] [stdout]     |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `First` is never used
[INFO] [stdout]   --> src/lists.rs:95:11
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub trait First {
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Decrement` is never constructed
[INFO] [stdout]   --> src/functions.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 | struct Decrement;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IsZero` is never constructed
[INFO] [stdout]   --> src/functions.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 | struct IsZero;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `iterate` is never used
[INFO] [stdout]   --> src/gameoflife.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn iterate(active_cells: &mut Vec<Cell>) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2eb0601421cc8e6dd4ddb2ecf973c4000c42b0d92beddbe93780bfe61f289375", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eb0601421cc8e6dd4ddb2ecf973c4000c42b0d92beddbe93780bfe61f289375", kill_on_drop: false }`
[INFO] [stdout] 2eb0601421cc8e6dd4ddb2ecf973c4000c42b0d92beddbe93780bfe61f289375