[INFO] cloning repository https://github.com/distil/rust_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/distil/rust_lua_ffi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdistil%2Frust_lua_ffi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdistil%2Frust_lua_ffi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30820cdc9282c938dbf8e7bb0a1ea31cf56b25a6
[INFO] checking distil/rust_lua_ffi against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdistil%2Frust_lua_ffi" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/distil/rust_lua_ffi
[INFO] finished tweaking git repo https://github.com/distil/rust_lua_ffi
[INFO] tweaked toml for git repo https://github.com/distil/rust_lua_ffi written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/distil/rust_lua_ffi on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/distil/rust_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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75d1178fe3d95fd2eaf1d46be575bfe5374c61490fb67996f1de1afcd4130393
[INFO] running `Command { std: "docker" "start" "-a" "75d1178fe3d95fd2eaf1d46be575bfe5374c61490fb67996f1de1afcd4130393", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75d1178fe3d95fd2eaf1d46be575bfe5374c61490fb67996f1de1afcd4130393", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75d1178fe3d95fd2eaf1d46be575bfe5374c61490fb67996f1de1afcd4130393", kill_on_drop: false }`
[INFO] [stdout] 75d1178fe3d95fd2eaf1d46be575bfe5374c61490fb67996f1de1afcd4130393
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b28d545ee66f3c88986341747f06d844ff5b632294193d56c4cf08f2dc3a2b1
[INFO] running `Command { std: "docker" "start" "-a" "1b28d545ee66f3c88986341747f06d844ff5b632294193d56c4cf08f2dc3a2b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking quote v0.4.2
[INFO] [stderr]     Checking syn v0.12.15
[INFO] [stderr]     Checking c-marshalling v0.2.0 (/opt/rustwide/workdir/c-marshalling)
[INFO] [stderr]     Checking derive-c-marshalling-library v0.1.0 (/opt/rustwide/workdir/derive-c-marshalling-library)
[INFO] [stderr]     Checking parser v0.2.0 (/opt/rustwide/workdir/parser)
[INFO] [stderr]     Checking derive-lua-marshalling v0.2.0 (/opt/rustwide/workdir/derive-lua-marshalling)
[INFO] [stderr]     Checking generator v2.0.0 (/opt/rustwide/workdir/generator)
[INFO] [stderr]    Compiling rust-unit v0.1.0 (/opt/rustwide/workdir/rust-unit)
[INFO] [stderr]    Compiling rust-example v0.1.0 (/opt/rustwide/workdir/rust-example)
[INFO] [stderr]     Checking lua-marshalling v0.3.0 (/opt/rustwide/workdir/lua-marshalling)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> lua-marshalling/src/lib.rs:48:25
[INFO] [stdout]    |
[INFO] [stdout] 48 | /                         format!(
[INFO] [stdout] 49 | |                             "Invalid value ({:#?}) supplied for \
[INFO] [stdout] 50 | |                              RUST_LUA_FFI_TYPE_PREFIX. Value must contain only \
[INFO] [stdout] 51 | |                              ASCII alpha-numeric characters or underscores and \
[INFO] [stdout] 52 | |                              cannot start with a number",
[INFO] [stdout] 53 | |                             name,
[INFO] [stdout] 54 | |                         )
[INFO] [stdout]    | |_________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 48 ~                         
[INFO] [stdout] 49 |                             "Invalid value ({:#?}) supplied for \
[INFO] [stdout] ...
[INFO] [stdout] 53 |                             name,
[INFO] [stdout] 54 ~                         
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> lua-marshalling/src/lib.rs:48:25
[INFO] [stdout]    |
[INFO] [stdout] 48 | /                         format!(
[INFO] [stdout] 49 | |                             "Invalid value ({:#?}) supplied for \
[INFO] [stdout] 50 | |                              RUST_LUA_FFI_TYPE_PREFIX. Value must contain only \
[INFO] [stdout] 51 | |                              ASCII alpha-numeric characters or underscores and \
[INFO] [stdout] 52 | |                              cannot start with a number",
[INFO] [stdout] 53 | |                             name,
[INFO] [stdout] 54 | |                         )
[INFO] [stdout]    | |_________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 48 ~                         
[INFO] [stdout] 49 |                             "Invalid value ({:#?}) supplied for \
[INFO] [stdout] ...
[INFO] [stdout] 53 |                             name,
[INFO] [stdout] 54 ~                         
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/rust-example-43c7e25cf8038737/out/ffi.rs:272:421
[INFO] [stdout]     |
[INFO] [stdout] 272 | ... bootstrap != std :: ptr :: null_mut ( ) { std :: ffi :: CString :: from_raw ( bootstrap ) ; } } }
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 272 |     "# . to_owned ( ) ] . join ( "\n" ) ) . ok ( ) . map ( std :: ffi :: CString :: into_raw ) . unwrap_or_else ( std :: ptr :: null_mut ) } # [ doc = r" # Safety" ] # [ doc = r"" ] # [ doc = r" Only called in an auto-generated context. Should not be called directly." ] # [ no_mangle ] pub unsafe extern "C" fn __free_lua_bootstrap ( bootstrap : * mut :: libc :: c_char ) { if bootstrap != std :: ptr :: null_mut ( ) { let _ = std :: ffi :: CString :: from_raw ( bootstrap ) ; } } }
[INFO] [stdout]     |                                                                                                                                                                                                                                                                                                                                                                                                                                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/rust-example-43c7e25cf8038737/out/ffi.rs:272:421
[INFO] [stdout]     |
[INFO] [stdout] 272 | ... bootstrap != std :: ptr :: null_mut ( ) { std :: ffi :: CString :: from_raw ( bootstrap ) ; } } }
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 272 |     "# . to_owned ( ) ] . join ( "\n" ) ) . ok ( ) . map ( std :: ffi :: CString :: into_raw ) . unwrap_or_else ( std :: ptr :: null_mut ) } # [ doc = r" # Safety" ] # [ doc = r"" ] # [ doc = r" Only called in an auto-generated context. Should not be called directly." ] # [ no_mangle ] pub unsafe extern "C" fn __free_lua_bootstrap ( bootstrap : * mut :: libc :: c_char ) { if bootstrap != std :: ptr :: null_mut ( ) { let _ = std :: ffi :: CString :: from_raw ( bootstrap ) ; } } }
[INFO] [stdout]     |                                                                                                                                                                                                                                                                                                                                                                                                                                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/rust-unit-9634f22605e49335/out/ffi.rs:714:421
[INFO] [stdout]     |
[INFO] [stdout] 714 | ... bootstrap != std :: ptr :: null_mut ( ) { std :: ffi :: CString :: from_raw ( bootstrap ) ; } } }
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 714 |     "# . to_owned ( ) ] . join ( "\n" ) ) . ok ( ) . map ( std :: ffi :: CString :: into_raw ) . unwrap_or_else ( std :: ptr :: null_mut ) } # [ doc = r" # Safety" ] # [ doc = r"" ] # [ doc = r" Only called in an auto-generated context. Should not be called directly." ] # [ no_mangle ] pub unsafe extern "C" fn __free_lua_bootstrap ( bootstrap : * mut :: libc :: c_char ) { if bootstrap != std :: ptr :: null_mut ( ) { let _ = std :: ffi :: CString :: from_raw ( bootstrap ) ; } } }
[INFO] [stdout]     |                                                                                                                                                                                                                                                                                                                                                                                                                                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/rust-unit-9634f22605e49335/out/ffi.rs:714:421
[INFO] [stdout]     |
[INFO] [stdout] 714 | ... bootstrap != std :: ptr :: null_mut ( ) { std :: ffi :: CString :: from_raw ( bootstrap ) ; } } }
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 714 |     "# . to_owned ( ) ] . join ( "\n" ) ) . ok ( ) . map ( std :: ffi :: CString :: into_raw ) . unwrap_or_else ( std :: ptr :: null_mut ) } # [ doc = r" # Safety" ] # [ doc = r"" ] # [ doc = r" Only called in an auto-generated context. Should not be called directly." ] # [ no_mangle ] pub unsafe extern "C" fn __free_lua_bootstrap ( bootstrap : * mut :: libc :: c_char ) { if bootstrap != std :: ptr :: null_mut ( ) { let _ = std :: ffi :: CString :: from_raw ( bootstrap ) ; } } }
[INFO] [stdout]     |                                                                                                                                                                                                                                                                                                                                                                                                                                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.40s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.12.15
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "1b28d545ee66f3c88986341747f06d844ff5b632294193d56c4cf08f2dc3a2b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b28d545ee66f3c88986341747f06d844ff5b632294193d56c4cf08f2dc3a2b1", kill_on_drop: false }`
[INFO] [stdout] 1b28d545ee66f3c88986341747f06d844ff5b632294193d56c4cf08f2dc3a2b1
