[INFO] updating cached repository https://github.com/koba-e964/rusthon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f17f55af8ce110a5c303135797e4458bed7693d7
[INFO] testing koba-e964/rusthon against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkoba-e964%2Frusthon" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/koba-e964/rusthon on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/koba-e964/rusthon
[INFO] finished tweaking git repo https://github.com/koba-e964/rusthon
[INFO] tweaked toml for git repo https://github.com/koba-e964/rusthon written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/koba-e964/rusthon already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abf472accb3d7eb9289ab8080d95ba0a9270c2c313238d17db4a6c54fa6390dc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "abf472accb3d7eb9289ab8080d95ba0a9270c2c313238d17db4a6c54fa6390dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abf472accb3d7eb9289ab8080d95ba0a9270c2c313238d17db4a6c54fa6390dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abf472accb3d7eb9289ab8080d95ba0a9270c2c313238d17db4a6c54fa6390dc", kill_on_drop: false }`
[INFO] [stdout] abf472accb3d7eb9289ab8080d95ba0a9270c2c313238d17db4a6c54fa6390dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79e071b08d4fac805cf27c34469a170e89ce6388eb4cd1dd1882ccf6d54d418b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "79e071b08d4fac805cf27c34469a170e89ce6388eb4cd1dd1882ccf6d54d418b", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.11
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling rusthon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/solver.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | / macro_rules! read_value {
[INFO] [stdout] 34 | |     ($next:expr, ( $($t:tt),* )) => {
[INFO] [stdout] 35 | |         ( $(read_value!($next, $t)),* )
[INFO] [stdout] 36 | |     };
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |     };
[INFO] [stdout] 58 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/solver.rs:62:1
[INFO] [stdout]    |
[INFO] [stdout] 62 | / macro_rules! debug {
[INFO] [stdout] 63 | |     ($($format:tt)*) => (
[INFO] [stdout] 64 | |         if DEBUG {
[INFO] [stdout] 65 | |             writeln!(std::io::stderr(), $($format)*).unwrap();
[INFO] [stdout] 66 | |         });
[INFO] [stdout] 67 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/solver.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{BufWriter, Write};
[INFO] [stdout]   |                          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `DEBUG`
[INFO] [stdout]   --> src/solver.rs:60:1
[INFO] [stdout]    |
[INFO] [stdout] 60 | const DEBUG: bool = true;
[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: unused variable: `rng`
[INFO] [stdout]  --> src/main.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn gen<R: Rng>(rng: &mut R) -> Instance {
[INFO] [stdout]   |                ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inst`
[INFO] [stdout]   --> src/main.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let inst = gen(&mut rng);
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_inst`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.92s
[INFO] running `Command { std: "docker" "inspect" "79e071b08d4fac805cf27c34469a170e89ce6388eb4cd1dd1882ccf6d54d418b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79e071b08d4fac805cf27c34469a170e89ce6388eb4cd1dd1882ccf6d54d418b", kill_on_drop: false }`
[INFO] [stdout] 79e071b08d4fac805cf27c34469a170e89ce6388eb4cd1dd1882ccf6d54d418b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 90655ce1e8221673b009f9b73ecaa60c4254b01602e9b0387c8187d61e3a8ad9
[INFO] running `Command { std: "docker" "start" "-a" "90655ce1e8221673b009f9b73ecaa60c4254b01602e9b0387c8187d61e3a8ad9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusthon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/solver.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | / macro_rules! read_value {
[INFO] [stdout] 34 | |     ($next:expr, ( $($t:tt),* )) => {
[INFO] [stdout] 35 | |         ( $(read_value!($next, $t)),* )
[INFO] [stdout] 36 | |     };
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |     };
[INFO] [stdout] 58 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/solver.rs:62:1
[INFO] [stdout]    |
[INFO] [stdout] 62 | / macro_rules! debug {
[INFO] [stdout] 63 | |     ($($format:tt)*) => (
[INFO] [stdout] 64 | |         if DEBUG {
[INFO] [stdout] 65 | |             writeln!(std::io::stderr(), $($format)*).unwrap();
[INFO] [stdout] 66 | |         });
[INFO] [stdout] 67 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/solver.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{BufWriter, Write};
[INFO] [stdout]   |                          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `DEBUG`
[INFO] [stdout]   --> src/solver.rs:60:1
[INFO] [stdout]    |
[INFO] [stdout] 60 | const DEBUG: bool = true;
[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: unused macro definition
[INFO] [stdout]   --> src/solver.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | / macro_rules! read_value {
[INFO] [stdout] 34 | |     ($next:expr, ( $($t:tt),* )) => {
[INFO] [stdout] 35 | |         ( $(read_value!($next, $t)),* )
[INFO] [stdout] 36 | |     };
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |     };
[INFO] [stdout] 58 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/solver.rs:62:1
[INFO] [stdout]    |
[INFO] [stdout] 62 | / macro_rules! debug {
[INFO] [stdout] 63 | |     ($($format:tt)*) => (
[INFO] [stdout] 64 | |         if DEBUG {
[INFO] [stdout] 65 | |             writeln!(std::io::stderr(), $($format)*).unwrap();
[INFO] [stdout] 66 | |         });
[INFO] [stdout] 67 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/solver.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{BufWriter, Write};
[INFO] [stdout]   |                          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `DEBUG`
[INFO] [stdout]   --> src/solver.rs:60:1
[INFO] [stdout]    |
[INFO] [stdout] 60 | const DEBUG: bool = true;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]  --> src/main.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn gen<R: Rng>(rng: &mut R) -> Instance {
[INFO] [stdout]   |                ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inst`
[INFO] [stdout]   --> src/main.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let inst = gen(&mut rng);
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_inst`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "90655ce1e8221673b009f9b73ecaa60c4254b01602e9b0387c8187d61e3a8ad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90655ce1e8221673b009f9b73ecaa60c4254b01602e9b0387c8187d61e3a8ad9", kill_on_drop: false }`
[INFO] [stdout] 90655ce1e8221673b009f9b73ecaa60c4254b01602e9b0387c8187d61e3a8ad9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 98567bb742777125f846132654295e3b14416a389171f462e01617cb0947d735
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "98567bb742777125f846132654295e3b14416a389171f462e01617cb0947d735", kill_on_drop: false }`
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/solver.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | / macro_rules! read_value {
[INFO] [stderr] 34 | |     ($next:expr, ( $($t:tt),* )) => {
[INFO] [stderr] 35 | |         ( $(read_value!($next, $t)),* )
[INFO] [stderr] 36 | |     };
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |     };
[INFO] [stderr] 58 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/solver.rs:62:1
[INFO] [stderr]    |
[INFO] [stderr] 62 | / macro_rules! debug {
[INFO] [stderr] 63 | |     ($($format:tt)*) => (
[INFO] [stderr] 64 | |         if DEBUG {
[INFO] [stderr] 65 | |             writeln!(std::io::stderr(), $($format)*).unwrap();
[INFO] [stderr] 66 | |         });
[INFO] [stderr] 67 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/solver.rs:5:26
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{BufWriter, Write};
[INFO] [stderr]   |                          ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `DEBUG`
[INFO] [stderr]   --> src/solver.rs:60:1
[INFO] [stderr]    |
[INFO] [stderr] 60 | const DEBUG: bool = true;
[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: unused macro definition
[INFO] [stderr]   --> src/solver.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | / macro_rules! read_value {
[INFO] [stderr] 34 | |     ($next:expr, ( $($t:tt),* )) => {
[INFO] [stderr] 35 | |         ( $(read_value!($next, $t)),* )
[INFO] [stderr] 36 | |     };
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |     };
[INFO] [stderr] 58 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/solver.rs:62:1
[INFO] [stderr]    |
[INFO] [stderr] 62 | / macro_rules! debug {
[INFO] [stderr] 63 | |     ($($format:tt)*) => (
[INFO] [stderr] 64 | |         if DEBUG {
[INFO] [stderr] 65 | |             writeln!(std::io::stderr(), $($format)*).unwrap();
[INFO] [stderr] 66 | |         });
[INFO] [stderr] 67 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/solver.rs:5:26
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{BufWriter, Write};
[INFO] [stderr]   |                          ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `DEBUG`
[INFO] [stderr]   --> src/solver.rs:60:1
[INFO] [stderr]    |
[INFO] [stderr] 60 | const DEBUG: bool = true;
[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: unused variable: `rng`
[INFO] [stderr]  --> src/main.rs:9:16
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn gen<R: Rng>(rng: &mut R) -> Instance {
[INFO] [stderr]   |                ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `inst`
[INFO] [stderr]   --> src/main.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let inst = gen(&mut rng);
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_inst`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rusthon-51c9d675d57d1223
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rusthon-633ccc6675e82177
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests rusthon
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "98567bb742777125f846132654295e3b14416a389171f462e01617cb0947d735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98567bb742777125f846132654295e3b14416a389171f462e01617cb0947d735", kill_on_drop: false }`
[INFO] [stdout] 98567bb742777125f846132654295e3b14416a389171f462e01617cb0947d735