[INFO] cloning repository https://github.com/ludvigsen/rust-fagdag
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ludvigsen/rust-fagdag" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fludvigsen%2Frust-fagdag", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fludvigsen%2Frust-fagdag'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f20fb75f26f1780d36d46056df110d7f6407252
[INFO] testing ludvigsen/rust-fagdag against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fludvigsen%2Frust-fagdag" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ludvigsen/rust-fagdag on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ludvigsen/rust-fagdag
[INFO] finished tweaking git repo https://github.com/ludvigsen/rust-fagdag
[INFO] tweaked toml for git repo https://github.com/ludvigsen/rust-fagdag written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/ludvigsen/rust-fagdag already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38dc514c60c51a8e926a3e13fb89617265bd73b4a225886fbd2afe3123b373a8
[INFO] running `Command { std: "docker" "start" "-a" "38dc514c60c51a8e926a3e13fb89617265bd73b4a225886fbd2afe3123b373a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38dc514c60c51a8e926a3e13fb89617265bd73b4a225886fbd2afe3123b373a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38dc514c60c51a8e926a3e13fb89617265bd73b4a225886fbd2afe3123b373a8", kill_on_drop: false }`
[INFO] [stdout] 38dc514c60c51a8e926a3e13fb89617265bd73b4a225886fbd2afe3123b373a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5722bb7a1d69434ddea6cdeae8a1d8b2fc9bfec73d23dbbe03aea8cf16d7a7c2
[INFO] running `Command { std: "docker" "start" "-a" "5722bb7a1d69434ddea6cdeae8a1d8b2fc9bfec73d23dbbe03aea8cf16d7a7c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-fagdag v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `main2`
[INFO] [stdout]   --> src/main.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn main2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `IntOption`
[INFO] [stdout]   --> src/main.rs:41:6
[INFO] [stdout]    |
[INFO] [stdout] 41 | enum IntOption {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `CharOption`
[INFO] [stdout]   --> src/main.rs:46:6
[INFO] [stdout]    |
[INFO] [stdout] 46 | enum CharOption {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Option`
[INFO] [stdout]   --> src/main.rs:51:6
[INFO] [stdout]    |
[INFO] [stdout] 51 | enum Option <T> {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "5722bb7a1d69434ddea6cdeae8a1d8b2fc9bfec73d23dbbe03aea8cf16d7a7c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5722bb7a1d69434ddea6cdeae8a1d8b2fc9bfec73d23dbbe03aea8cf16d7a7c2", kill_on_drop: false }`
[INFO] [stdout] 5722bb7a1d69434ddea6cdeae8a1d8b2fc9bfec73d23dbbe03aea8cf16d7a7c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b7b6b0a577716365822536d833fb24ead748a22891c6500aa72f64b6ae6cfe7
[INFO] running `Command { std: "docker" "start" "-a" "3b7b6b0a577716365822536d833fb24ead748a22891c6500aa72f64b6ae6cfe7", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-fagdag v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `main2`
[INFO] [stdout]   --> src/main.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn main2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `IntOption`
[INFO] [stdout]   --> src/main.rs:41:6
[INFO] [stdout]    |
[INFO] [stdout] 41 | enum IntOption {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `CharOption`
[INFO] [stdout]   --> src/main.rs:46:6
[INFO] [stdout]    |
[INFO] [stdout] 46 | enum CharOption {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Option`
[INFO] [stdout]   --> src/main.rs:51:6
[INFO] [stdout]    |
[INFO] [stdout] 51 | enum Option <T> {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Opt::*`
[INFO] [stdout]   --> tests/generics_live.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     use Opt::*;
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main2`
[INFO] [stdout]   --> src/main.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn main2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `IntOption`
[INFO] [stdout]   --> src/main.rs:41:6
[INFO] [stdout]    |
[INFO] [stdout] 41 | enum IntOption {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `CharOption`
[INFO] [stdout]   --> src/main.rs:46:6
[INFO] [stdout]    |
[INFO] [stdout] 46 | enum CharOption {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Option`
[INFO] [stdout]   --> src/main.rs:51:6
[INFO] [stdout]    |
[INFO] [stdout] 51 | enum Option <T> {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `empty_animal`
[INFO] [stdout]   --> tests/generics_live.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let empty_animal = Animal {
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_empty_animal`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cat`
[INFO] [stdout]   --> tests/generics_live.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let cat = Animal {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_cat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> tests/generics_live.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 |       name: String,
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Som`
[INFO] [stdout]   --> tests/generics_live.rs:61:7
[INFO] [stdout]    |
[INFO] [stdout] 61 |       Som(T),
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Non`
[INFO] [stdout]   --> tests/generics_live.rs:62:7
[INFO] [stdout]    |
[INFO] [stdout] 62 |       Non
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fourth`
[INFO] [stdout]   --> tests/error_live.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let fourth = vec.get(3); // None
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_fourth`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `third`
[INFO] [stdout]   --> tests/error_live.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let third = vec.get(2); // Some(3)
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_third`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> tests/error_live.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let res = "2".parse::<i32>();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `some_string`
[INFO] [stdout]  --> tests/error_live.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 |   fn some_string() -> Option<Vec<i32>>{
[INFO] [stdout]   |      ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "3b7b6b0a577716365822536d833fb24ead748a22891c6500aa72f64b6ae6cfe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b7b6b0a577716365822536d833fb24ead748a22891c6500aa72f64b6ae6cfe7", kill_on_drop: false }`
[INFO] [stdout] 3b7b6b0a577716365822536d833fb24ead748a22891c6500aa72f64b6ae6cfe7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5816d2d5141daaf4198ebd3caf60d9cce7f96fffaf1384c227d2ca794a712ab2
[INFO] running `Command { std: "docker" "start" "-a" "5816d2d5141daaf4198ebd3caf60d9cce7f96fffaf1384c227d2ca794a712ab2", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Opt::*`
[INFO] [stderr]   --> tests/generics_live.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |     use Opt::*;
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `empty_animal`
[INFO] [stderr]   --> tests/generics_live.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let empty_animal = Animal {
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_empty_animal`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cat`
[INFO] [stderr]   --> tests/generics_live.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let cat = Animal {
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_cat`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]   --> tests/generics_live.rs:31:7
[INFO] [stderr]    |
[INFO] [stderr] 31 |       name: String,
[INFO] [stderr]    |       ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Som`
[INFO] [stderr]   --> tests/generics_live.rs:61:7
[INFO] [stderr]    |
[INFO] [stderr] 61 |       Som(T),
[INFO] [stderr]    |       ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Non`
[INFO] [stderr]   --> tests/generics_live.rs:62:7
[INFO] [stderr]    |
[INFO] [stderr] 62 |       Non
[INFO] [stderr]    |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fourth`
[INFO] [stderr]   --> tests/error_live.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let fourth = vec.get(3); // None
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_fourth`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `third`
[INFO] [stderr]   --> tests/error_live.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let third = vec.get(2); // Some(3)
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_third`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]   --> tests/error_live.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let res = "2".parse::<i32>();
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `some_string`
[INFO] [stderr]  --> tests/error_live.rs:4:6
[INFO] [stderr]   |
[INFO] [stderr] 4 |   fn some_string() -> Option<Vec<i32>>{
[INFO] [stderr]   |      ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main2`
[INFO] [stderr]   --> src/main.rs:34:4
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn main2() {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `IntOption`
[INFO] [stderr]   --> src/main.rs:41:6
[INFO] [stderr]    |
[INFO] [stderr] 41 | enum IntOption {
[INFO] [stderr]    |      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `CharOption`
[INFO] [stderr]   --> src/main.rs:46:6
[INFO] [stderr]    |
[INFO] [stderr] 46 | enum CharOption {
[INFO] [stderr]    |      ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Option`
[INFO] [stderr]   --> src/main.rs:51:6
[INFO] [stderr]    |
[INFO] [stderr] 51 | enum Option <T> {
[INFO] [stderr]    |      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main2`
[INFO] [stderr]   --> src/main.rs:34:4
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn main2() {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `IntOption`
[INFO] [stderr]   --> src/main.rs:41:6
[INFO] [stderr]    |
[INFO] [stderr] 41 | enum IntOption {
[INFO] [stderr]    |      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `CharOption`
[INFO] [stderr]   --> src/main.rs:46:6
[INFO] [stderr]    |
[INFO] [stderr] 46 | enum CharOption {
[INFO] [stderr]    |      ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Option`
[INFO] [stderr]   --> src/main.rs:51:6
[INFO] [stderr]    |
[INFO] [stderr] 51 | enum Option <T> {
[INFO] [stderr]    |      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_fagdag-412d9115ac1e8301)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/error_live.rs (/opt/rustwide/target/debug/deps/error_live-3d786c65cea5859d)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running tests/generics_live.rs (/opt/rustwide/target/debug/deps/generics_live-b1bd7b29f547122d)
[INFO] [stdout] test error_tests::test_result ... ok
[INFO] [stdout] test error_tests::test_try ... ok
[INFO] [stdout] test error_tests::test_option ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test generics_tests::generic_trait_test ... ignored
[INFO] [stdout] test generics_tests::generics_test ... ignored
[INFO] [stdout] test generics_tests::trait_test ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5816d2d5141daaf4198ebd3caf60d9cce7f96fffaf1384c227d2ca794a712ab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5816d2d5141daaf4198ebd3caf60d9cce7f96fffaf1384c227d2ca794a712ab2", kill_on_drop: false }`
[INFO] [stdout] 5816d2d5141daaf4198ebd3caf60d9cce7f96fffaf1384c227d2ca794a712ab2