[INFO] cloning repository https://github.com/Ryan-L98/rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ryan-L98/rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyan-L98%2Frust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyan-L98%2Frust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f6a43b5d21b5c0970383dc3b7c51bcd56169ece
[INFO] testing Ryan-L98/rust against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyan-L98%2Frust" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ryan-L98/rust on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ryan-L98/rust
[INFO] finished tweaking git repo https://github.com/Ryan-L98/rust
[INFO] tweaked toml for git repo https://github.com/Ryan-L98/rust written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Ryan-L98/rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3453523751cfe9b3445445b9389c8ea88e3ad65ffaadeb3b3cd71d7f912bd441
[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" "3453523751cfe9b3445445b9389c8ea88e3ad65ffaadeb3b3cd71d7f912bd441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3453523751cfe9b3445445b9389c8ea88e3ad65ffaadeb3b3cd71d7f912bd441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3453523751cfe9b3445445b9389c8ea88e3ad65ffaadeb3b3cd71d7f912bd441", kill_on_drop: false }`
[INFO] [stdout] 3453523751cfe9b3445445b9389c8ea88e3ad65ffaadeb3b3cd71d7f912bd441
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--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] a11c849f5e7014e4ebe9ad5beccd7ab3d65a4e015a1b889da78ef062e15a7c96
[INFO] running `Command { std: "docker" "start" "-a" "a11c849f5e7014e4ebe9ad5beccd7ab3d65a4e015a1b889da78ef062e15a7c96", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustlearning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `my_name`
[INFO] [stdout]   --> src/vars.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let (my_name, my_age) = ("Ryan", 23);
[INFO] [stdout]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `my_age`
[INFO] [stdout]   --> src/vars.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let (my_name, my_age) = ("Ryan", 23);
[INFO] [stdout]    |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_age`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]  --> src/types.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let y: i64 = 451414352345235235;
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/vars.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/types.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/print.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/strings.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/tuples.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/arrays.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "a11c849f5e7014e4ebe9ad5beccd7ab3d65a4e015a1b889da78ef062e15a7c96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a11c849f5e7014e4ebe9ad5beccd7ab3d65a4e015a1b889da78ef062e15a7c96", kill_on_drop: false }`
[INFO] [stdout] a11c849f5e7014e4ebe9ad5beccd7ab3d65a4e015a1b889da78ef062e15a7c96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] b3236e49a1471b8831e30aae88b7639adbddc77714306f9f651f8468b6b3f89a
[INFO] running `Command { std: "docker" "start" "-a" "b3236e49a1471b8831e30aae88b7639adbddc77714306f9f651f8468b6b3f89a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustlearning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `my_name`
[INFO] [stdout]   --> src/vars.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let (my_name, my_age) = ("Ryan", 23);
[INFO] [stdout]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `my_age`
[INFO] [stdout]   --> src/vars.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let (my_name, my_age) = ("Ryan", 23);
[INFO] [stdout]    |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_age`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]  --> src/types.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let y: i64 = 451414352345235235;
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/vars.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/types.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/print.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/strings.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/tuples.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/arrays.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlearning-020da73ed4bf7f7e)
[INFO] running `Command { std: "docker" "inspect" "b3236e49a1471b8831e30aae88b7639adbddc77714306f9f651f8468b6b3f89a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3236e49a1471b8831e30aae88b7639adbddc77714306f9f651f8468b6b3f89a", kill_on_drop: false }`
[INFO] [stdout] b3236e49a1471b8831e30aae88b7639adbddc77714306f9f651f8468b6b3f89a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 43a83a2ca6503e042a92b2b93a94f8df18bc955c062da77540b3b13ec45dd730
[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" "43a83a2ca6503e042a92b2b93a94f8df18bc955c062da77540b3b13ec45dd730", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `my_name`
[INFO] [stderr]   --> src/vars.rs:14:7
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let (my_name, my_age) = ("Ryan", 23);
[INFO] [stderr]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `my_age`
[INFO] [stderr]   --> src/vars.rs:14:16
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let (my_name, my_age) = ("Ryan", 23);
[INFO] [stderr]    |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_age`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]  --> src/types.rs:2:6
[INFO] [stderr]   |
[INFO] [stderr] 2 |     let y: i64 = 451414352345235235;
[INFO] [stderr]   |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/vars.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn run() {
[INFO] [stderr]   |        ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/types.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn run() {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/print.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn run() {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/strings.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn run() {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/tuples.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn run() {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/arrays.rs:1:8
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 1 | pub fn run() {
[INFO] [stdout] 
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rustlearning` (bin "rustlearning" test) generated 9 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlearning-020da73ed4bf7f7e)
[INFO] running `Command { std: "docker" "inspect" "43a83a2ca6503e042a92b2b93a94f8df18bc955c062da77540b3b13ec45dd730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43a83a2ca6503e042a92b2b93a94f8df18bc955c062da77540b3b13ec45dd730", kill_on_drop: false }`
[INFO] [stdout] 43a83a2ca6503e042a92b2b93a94f8df18bc955c062da77540b3b13ec45dd730