[INFO] cloning repository https://github.com/kanersps/dynamic_lua_ffi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kanersps/dynamic_lua_ffi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkanersps%2Fdynamic_lua_ffi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkanersps%2Fdynamic_lua_ffi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d31d7fe00b395655bef348548018957a40963c06
[INFO] building kanersps/dynamic_lua_ffi against try#9a3ef2cd3ecaae3c6ef59768612837d797602a6d for pr-137044-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkanersps%2Fdynamic_lua_ffi" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kanersps/dynamic_lua_ffi on toolchain 9a3ef2cd3ecaae3c6ef59768612837d797602a6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kanersps/dynamic_lua_ffi
[INFO] finished tweaking git repo https://github.com/kanersps/dynamic_lua_ffi
[INFO] tweaked toml for git repo https://github.com/kanersps/dynamic_lua_ffi written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kanersps/dynamic_lua_ffi 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" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbcffc3ee440f97348b168178ee7a9ebbcf3fcc4961f4a53be3d39a215691350
[INFO] running `Command { std: "docker" "start" "-a" "cbcffc3ee440f97348b168178ee7a9ebbcf3fcc4961f4a53be3d39a215691350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbcffc3ee440f97348b168178ee7a9ebbcf3fcc4961f4a53be3d39a215691350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbcffc3ee440f97348b168178ee7a9ebbcf3fcc4961f4a53be3d39a215691350", kill_on_drop: false }`
[INFO] [stdout] cbcffc3ee440f97348b168178ee7a9ebbcf3fcc4961f4a53be3d39a215691350
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8201a6f71acdd82f35b084e8dff0178035b63017a96bc61f11b9cfd7ca54cee7
[INFO] running `Command { std: "docker" "start" "-a" "8201a6f71acdd82f35b084e8dff0178035b63017a96bc61f11b9cfd7ca54cee7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling io-lifetimes v0.6.1
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling rustix v0.34.6
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling linux-raw-sys v0.0.46
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling lua-src v544.0.1
[INFO] [stderr]    Compiling luajit-src v210.3.4+resty073ac54
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling mlua v0.8.0-beta.4
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling fd-lock v3.0.5
[INFO] [stderr]    Compiling rustyline v9.1.2
[INFO] [stderr]    Compiling testlua v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Display` and `Formatter`
[INFO] [stdout]  --> src/main.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{Display, Formatter};
[INFO] [stdout]   |                ^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/main.rs:34:49
[INFO] [stdout]    |
[INFO] [stdout] 34 |             let func :libloading::Symbol<unsafe extern fn()> = lib.get(b"load_rust").unwrap();
[INFO] [stdout]    |                                                 ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             _ => println!("Can not print!"),
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/main.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |             Value::Nil => println!("nil"),
[INFO] [stdout]    |             ---------- matches some of the same values
[INFO] [stdout] 13 |             Value::Boolean(b) => println!("{}", b),
[INFO] [stdout]    |             ----------------- matches some of the same values
[INFO] [stdout] 14 |             Value::LightUserData(lu) => println!("{:?}", lu),
[INFO] [stdout]    |             ------------------------ matches some of the same values
[INFO] [stdout] 15 |             Value::Integer(i) => println!("{}", i),
[INFO] [stdout]    |             ----------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 23 |             _ => println!("Can not print!"),
[INFO] [stdout]    |             ^ ...and 7 other patterns collectively make this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]   --> src/main.rs:31:45
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let load_library = lua.create_function(|d, library: String| {
[INFO] [stdout]    |                                             ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     lua.globals().set("load_library", load_library);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let _ = lua.globals().set("load_library", load_library);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 56.19s
[INFO] running `Command { std: "docker" "inspect" "8201a6f71acdd82f35b084e8dff0178035b63017a96bc61f11b9cfd7ca54cee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8201a6f71acdd82f35b084e8dff0178035b63017a96bc61f11b9cfd7ca54cee7", kill_on_drop: false }`
[INFO] [stdout] 8201a6f71acdd82f35b084e8dff0178035b63017a96bc61f11b9cfd7ca54cee7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fd1b679fd95db8fa573c910aaf1606620b993cbcaf7304e47efcaede036b88d
[INFO] running `Command { std: "docker" "start" "-a" "3fd1b679fd95db8fa573c910aaf1606620b993cbcaf7304e47efcaede036b88d", kill_on_drop: false }`
[INFO] [stderr]    Compiling testlua v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Display` and `Formatter`
[INFO] [stdout]  --> src/main.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{Display, Formatter};
[INFO] [stdout]   |                ^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/main.rs:34:49
[INFO] [stdout]    |
[INFO] [stdout] 34 |             let func :libloading::Symbol<unsafe extern fn()> = lib.get(b"load_rust").unwrap();
[INFO] [stdout]    |                                                 ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             _ => println!("Can not print!"),
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/main.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |             Value::Nil => println!("nil"),
[INFO] [stdout]    |             ---------- matches some of the same values
[INFO] [stdout] 13 |             Value::Boolean(b) => println!("{}", b),
[INFO] [stdout]    |             ----------------- matches some of the same values
[INFO] [stdout] 14 |             Value::LightUserData(lu) => println!("{:?}", lu),
[INFO] [stdout]    |             ------------------------ matches some of the same values
[INFO] [stdout] 15 |             Value::Integer(i) => println!("{}", i),
[INFO] [stdout]    |             ----------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 23 |             _ => println!("Can not print!"),
[INFO] [stdout]    |             ^ ...and 7 other patterns collectively make this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]   --> src/main.rs:31:45
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let load_library = lua.create_function(|d, library: String| {
[INFO] [stdout]    |                                             ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     lua.globals().set("load_library", load_library);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let _ = lua.globals().set("load_library", load_library);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "3fd1b679fd95db8fa573c910aaf1606620b993cbcaf7304e47efcaede036b88d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fd1b679fd95db8fa573c910aaf1606620b993cbcaf7304e47efcaede036b88d", kill_on_drop: false }`
[INFO] [stdout] 3fd1b679fd95db8fa573c910aaf1606620b993cbcaf7304e47efcaede036b88d