[INFO] cloning repository https://github.com/benluelo/rust-dylib-poc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benluelo/rust-dylib-poc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenluelo%2Frust-dylib-poc", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb8aa650623d216617531fc708369734514a8aa2
[INFO] checking benluelo/rust-dylib-poc against master#64b185eddaa1d7ddf5e0c024be23b9cbba6c1722 for pr-143929
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenluelo%2Frust-dylib-poc" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/benluelo/rust-dylib-poc
[INFO] finished tweaking git repo https://github.com/benluelo/rust-dylib-poc
[INFO] tweaked toml for git repo https://github.com/benluelo/rust-dylib-poc written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/benluelo/rust-dylib-poc on toolchain 64b185eddaa1d7ddf5e0c024be23b9cbba6c1722
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[INFO] crate git repo https://github.com/benluelo/rust-dylib-poc 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" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] warning: unexpected `cfg` condition value: `used_linker`
[INFO] [stdout]   --> dylib/src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[ctor::ctor]
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a attribute macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `ctor::ctor` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the attribute macro `ctor::ctor` may come from an old version of the `ctor` crate, try updating your dependency with `cargo update -p ctor`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]    = note: this warning originates in the attribute macro `ctor::ctor` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `lazy_cell` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> dylib/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(lazy_cell)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `used_linker`
[INFO] [stdout]   --> dylib/src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[ctor::ctor]
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a attribute macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `ctor::ctor` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the attribute macro `ctor::ctor` may come from an old version of the `ctor` crate, try updating your dependency with `cargo update -p ctor`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]    = note: this warning originates in the attribute macro `ctor::ctor` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `lazy_cell` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> dylib/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(lazy_cell)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]   --> dylib/src/lib.rs:32:29
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub async extern "C" fn add(left: usize, right: usize) -> *mut c_char {
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]   --> dylib/src/lib.rs:32:42
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub async extern "C" fn add(left: usize, right: usize) -> *mut c_char {
[INFO] [stdout]    |                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]   --> dylib/src/lib.rs:32:29
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub async extern "C" fn add(left: usize, right: usize) -> *mut c_char {
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]   --> dylib/src/lib.rs:32:42
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub async extern "C" fn add(left: usize, right: usize) -> *mut c_char {
[INFO] [stdout]    |                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.94s
[INFO] running `Command { std: "docker" "inspect" "ec8dd7d02dea3968c2c93c2bdc89646273c37bba854205000c9d38ed56c29a50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec8dd7d02dea3968c2c93c2bdc89646273c37bba854205000c9d38ed56c29a50", kill_on_drop: false }`
[INFO] [stdout] ec8dd7d02dea3968c2c93c2bdc89646273c37bba854205000c9d38ed56c29a50