[INFO] cloning repository https://github.com/raniejade/yahmc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/raniejade/yahmc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Franiejade%2Fyahmc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Franiejade%2Fyahmc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3db12f9634869d4b6d83e845b7c48d9a8d649b83
[INFO] testing raniejade/yahmc against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Franiejade%2Fyahmc" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/raniejade/yahmc on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/raniejade/yahmc
[INFO] finished tweaking git repo https://github.com/raniejade/yahmc
[INFO] tweaked toml for git repo https://github.com/raniejade/yahmc written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/raniejade/yahmc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e028e8404bbda1cdad1cd32a22d5e7a9f909e84b7e968d8397b2c2a64576a53
[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" "1e028e8404bbda1cdad1cd32a22d5e7a9f909e84b7e968d8397b2c2a64576a53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e028e8404bbda1cdad1cd32a22d5e7a9f909e84b7e968d8397b2c2a64576a53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e028e8404bbda1cdad1cd32a22d5e7a9f909e84b7e968d8397b2c2a64576a53", kill_on_drop: false }`
[INFO] [stdout] 1e028e8404bbda1cdad1cd32a22d5e7a9f909e84b7e968d8397b2c2a64576a53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88f76e2d4fbccc5006dc4d3cc6199b79f2966fcade229ac9c6b950e65946bba5
[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" "88f76e2d4fbccc5006dc4d3cc6199b79f2966fcade229ac9c6b950e65946bba5", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.9
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling rlua v0.13.0
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling simple_logger v0.5.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling engine v0.1.0 (/opt/rustwide/workdir/engine)
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]   --> engine/src/api/mod.rs:45:50
[INFO] [stdout]    |
[INFO] [stdout] 45 |         methods.add_method("require", |lua, api, (module): (String)| {
[INFO] [stdout]    |                                                  ^      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 -         methods.add_method("require", |lua, api, (module): (String)| {
[INFO] [stdout] 45 +         methods.add_method("require", |lua, api, module: (String)| {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> engine/src/api/mod.rs:45:60
[INFO] [stdout]    |
[INFO] [stdout] 45 |         methods.add_method("require", |lua, api, (module): (String)| {
[INFO] [stdout]    |                                                            ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 -         methods.add_method("require", |lua, api, (module): (String)| {
[INFO] [stdout] 45 +         methods.add_method("require", |lua, api, (module): String| {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `convention`
[INFO] [stdout]   --> engine/src/api/mod.rs:37:27
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn install(lua: &Lua, convention: &Convention) -> Result<()> {
[INFO] [stdout]    |                           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_convention`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `wrapper`
[INFO] [stdout]  --> engine/src/api/mod.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let wrapper = lua.create_table()?;
[INFO] [stdout]   |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wrapper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> engine/src/resource/disk.rs:12:28
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn get_resource(&self, path: &Path) -> Result<Resource> {
[INFO] [stdout]    |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ClassProxyBuilder`
[INFO] [stdout]  --> engine/src/lua/proxy.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ClassProxyBuilder<'lua>(&'lua Lua, Table<'lua>);
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create`
[INFO] [stdout]  --> engine/src/lua/proxy.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn create(lua: &'lua Lua, table: Table<'lua>) -> ClassProxyBuilder<'lua> {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `build`
[INFO] [stdout]   --> engine/src/lua/proxy.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn build(self, mt: Table) -> Result<Table<'lua>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `REGISTRY_NAME`
[INFO] [stdout]  --> engine/src/lua/registry.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | static REGISTRY_NAME: &str = "__yamhc__registry";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ClassRegistry`
[INFO] [stdout]  --> engine/src/lua/registry.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct ClassRegistry<'lua>(&'lua Lua);
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create`
[INFO] [stdout]  --> engine/src/lua/registry.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn create(lua: &'lua Lua) -> Result<ClassRegistry<'lua>> {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> engine/src/lua/registry.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn get(&self, name: &String) -> Result<Table> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `register`
[INFO] [stdout]   --> engine/src/lua/registry.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn register(&self, name: &String, class: Table<'lua>) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_internal_registry`
[INFO] [stdout]   --> engine/src/lua/registry.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn get_internal_registry(&self) -> Result<Table> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `INDEX`
[INFO] [stdout]  --> engine/src/lua/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |         pub static INDEX: &str = "__index";
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `root`
[INFO] [stdout]  --> engine/src/resource/disk.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     root: PathBuf,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Internal`
[INFO] [stdout]  --> engine/src/resource/errors.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Internal(String),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `pattern_parentheses` has been stable since 1.31.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> engine/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(pattern_parentheses)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling yahmc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.59s
[INFO] running `Command { std: "docker" "inspect" "88f76e2d4fbccc5006dc4d3cc6199b79f2966fcade229ac9c6b950e65946bba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88f76e2d4fbccc5006dc4d3cc6199b79f2966fcade229ac9c6b950e65946bba5", kill_on_drop: false }`
[INFO] [stdout] 88f76e2d4fbccc5006dc4d3cc6199b79f2966fcade229ac9c6b950e65946bba5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b748457dc55e1977f2cb507a3a27ebd16c8b1330e63ef97f27ca9f35e22b1e5f
[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" "b748457dc55e1977f2cb507a3a27ebd16c8b1330e63ef97f27ca9f35e22b1e5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling yahmc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]   --> engine/src/api/mod.rs:45:50
[INFO] [stdout]    |
[INFO] [stdout] 45 |         methods.add_method("require", |lua, api, (module): (String)| {
[INFO] [stdout]    |                                                  ^      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 -         methods.add_method("require", |lua, api, (module): (String)| {
[INFO] [stdout] 45 +         methods.add_method("require", |lua, api, module: (String)| {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> engine/src/api/mod.rs:45:60
[INFO] [stdout]    |
[INFO] [stdout] 45 |         methods.add_method("require", |lua, api, (module): (String)| {
[INFO] [stdout]    |                                                            ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 -         methods.add_method("require", |lua, api, (module): (String)| {
[INFO] [stdout] 45 +         methods.add_method("require", |lua, api, (module): String| {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `convention`
[INFO] [stdout]   --> engine/src/api/mod.rs:37:27
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn install(lua: &Lua, convention: &Convention) -> Result<()> {
[INFO] [stdout]    |                           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_convention`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `wrapper`
[INFO] [stdout]  --> engine/src/api/mod.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let wrapper = lua.create_table()?;
[INFO] [stdout]   |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wrapper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> engine/src/resource/disk.rs:12:28
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn get_resource(&self, path: &Path) -> Result<Resource> {
[INFO] [stdout]    |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ClassProxyBuilder`
[INFO] [stdout]  --> engine/src/lua/proxy.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ClassProxyBuilder<'lua>(&'lua Lua, Table<'lua>);
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create`
[INFO] [stdout]  --> engine/src/lua/proxy.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn create(lua: &'lua Lua, table: Table<'lua>) -> ClassProxyBuilder<'lua> {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `build`
[INFO] [stdout]   --> engine/src/lua/proxy.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn build(self, mt: Table) -> Result<Table<'lua>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `REGISTRY_NAME`
[INFO] [stdout]  --> engine/src/lua/registry.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | static REGISTRY_NAME: &str = "__yamhc__registry";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ClassRegistry`
[INFO] [stdout]  --> engine/src/lua/registry.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct ClassRegistry<'lua>(&'lua Lua);
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create`
[INFO] [stdout]  --> engine/src/lua/registry.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn create(lua: &'lua Lua) -> Result<ClassRegistry<'lua>> {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> engine/src/lua/registry.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn get(&self, name: &String) -> Result<Table> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `register`
[INFO] [stdout]   --> engine/src/lua/registry.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn register(&self, name: &String, class: Table<'lua>) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_internal_registry`
[INFO] [stdout]   --> engine/src/lua/registry.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn get_internal_registry(&self) -> Result<Table> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `INDEX`
[INFO] [stdout]  --> engine/src/lua/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |         pub static INDEX: &str = "__index";
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `root`
[INFO] [stdout]  --> engine/src/resource/disk.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     root: PathBuf,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Internal`
[INFO] [stdout]  --> engine/src/resource/errors.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Internal(String),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `pattern_parentheses` has been stable since 1.31.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> engine/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(pattern_parentheses)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "b748457dc55e1977f2cb507a3a27ebd16c8b1330e63ef97f27ca9f35e22b1e5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b748457dc55e1977f2cb507a3a27ebd16c8b1330e63ef97f27ca9f35e22b1e5f", kill_on_drop: false }`
[INFO] [stdout] b748457dc55e1977f2cb507a3a27ebd16c8b1330e63ef97f27ca9f35e22b1e5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8e8324a3b91c931b85f7c0a40f8f5f4be89682efa52a26ae48a35e403b2f9413
[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" "8e8324a3b91c931b85f7c0a40f8f5f4be89682efa52a26ae48a35e403b2f9413", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around pattern
[INFO] [stderr]   --> engine/src/api/mod.rs:45:50
[INFO] [stderr]    |
[INFO] [stderr] 45 |         methods.add_method("require", |lua, api, (module): (String)| {
[INFO] [stderr]    |                                                  ^      ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 45 -         methods.add_method("require", |lua, api, (module): (String)| {
[INFO] [stderr] 45 +         methods.add_method("require", |lua, api, module: (String)| {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> engine/src/api/mod.rs:45:60
[INFO] [stderr]    |
[INFO] [stderr] 45 |         methods.add_method("require", |lua, api, (module): (String)| {
[INFO] [stderr]    |                                                            ^      ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 45 -         methods.add_method("require", |lua, api, (module): (String)| {
[INFO] [stderr] 45 +         methods.add_method("require", |lua, api, (module): String| {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `convention`
[INFO] [stderr]   --> engine/src/api/mod.rs:37:27
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn install(lua: &Lua, convention: &Convention) -> Result<()> {
[INFO] [stderr]    |                           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_convention`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `wrapper`
[INFO] [stderr]  --> engine/src/api/mod.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 |         let wrapper = lua.create_table()?;
[INFO] [stderr]   |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wrapper`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> engine/src/resource/disk.rs:12:28
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn get_resource(&self, path: &Path) -> Result<Resource> {
[INFO] [stderr]    |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ClassProxyBuilder`
[INFO] [stderr]  --> engine/src/lua/proxy.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct ClassProxyBuilder<'lua>(&'lua Lua, Table<'lua>);
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `create`
[INFO] [stderr]  --> engine/src/lua/proxy.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub fn create(lua: &'lua Lua, table: Table<'lua>) -> ClassProxyBuilder<'lua> {
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `build`
[INFO] [stderr]   --> engine/src/lua/proxy.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn build(self, mt: Table) -> Result<Table<'lua>> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static is never used: `REGISTRY_NAME`
[INFO] [stderr]  --> engine/src/lua/registry.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | static REGISTRY_NAME: &str = "__yamhc__registry";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ClassRegistry`
[INFO] [stderr]  --> engine/src/lua/registry.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct ClassRegistry<'lua>(&'lua Lua);
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `create`
[INFO] [stderr]  --> engine/src/lua/registry.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn create(lua: &'lua Lua) -> Result<ClassRegistry<'lua>> {
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get`
[INFO] [stderr]   --> engine/src/lua/registry.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn get(&self, name: &String) -> Result<Table> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `register`
[INFO] [stderr]   --> engine/src/lua/registry.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn register(&self, name: &String, class: Table<'lua>) -> Result<()> {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_internal_registry`
[INFO] [stderr]   --> engine/src/lua/registry.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn get_internal_registry(&self) -> Result<Table> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static is never used: `INDEX`
[INFO] [stderr]  --> engine/src/lua/mod.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |         pub static INDEX: &str = "__index";
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `root`
[INFO] [stderr]  --> engine/src/resource/disk.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     root: PathBuf,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Internal`
[INFO] [stderr]  --> engine/src/resource/errors.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Internal(String),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `pattern_parentheses` has been stable since 1.31.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> engine/src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(pattern_parentheses)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `engine` (lib) generated 18 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/yahmc-9802afb2b4aae466)
[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] running `Command { std: "docker" "inspect" "8e8324a3b91c931b85f7c0a40f8f5f4be89682efa52a26ae48a35e403b2f9413", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e8324a3b91c931b85f7c0a40f8f5f4be89682efa52a26ae48a35e403b2f9413", kill_on_drop: false }`
[INFO] [stdout] 8e8324a3b91c931b85f7c0a40f8f5f4be89682efa52a26ae48a35e403b2f9413