[INFO] cloning repository https://github.com/sribich/Steadfast
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sribich/Steadfast" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsribich%2FSteadfast", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsribich%2FSteadfast'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d6e5853c802c5289416db33864de5b112fb8911
[INFO] testing sribich/Steadfast against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsribich%2FSteadfast" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sribich/Steadfast on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sribich/Steadfast
[INFO] finished tweaking git repo https://github.com/sribich/Steadfast
[INFO] tweaked toml for git repo https://github.com/sribich/Steadfast written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/sribich/Steadfast already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1c4bf349fae732efc95c455a7f25cac55ef5028326e44fd1d61071628c537b6
[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" "a1c4bf349fae732efc95c455a7f25cac55ef5028326e44fd1d61071628c537b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1c4bf349fae732efc95c455a7f25cac55ef5028326e44fd1d61071628c537b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1c4bf349fae732efc95c455a7f25cac55ef5028326e44fd1d61071628c537b6", kill_on_drop: false }`
[INFO] [stdout] a1c4bf349fae732efc95c455a7f25cac55ef5028326e44fd1d61071628c537b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 25a35963844b5b8011c082a7a79b60d01c1beae9b35fefea09a3e2d497a234dc
[INFO] running `Command { std: "docker" "start" "-a" "25a35963844b5b8011c082a7a79b60d01c1beae9b35fefea09a3e2d497a234dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling steadfast_defs v0.1.0 (/opt/rustwide/workdir/steadfast_defs)
[INFO] [stderr]    Compiling steadfast_allocator v0.1.0 (/opt/rustwide/workdir/steadfast_allocator)
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stdout] warning: unused variable: `layout`
[INFO] [stdout]   --> steadfast_allocator/src/alloc/unix.rs:40:44
[INFO] [stdout]    |
[INFO] [stdout] 40 |     unsafe fn realloc(&self, ptr: *mut u8, layout: Layout, new_size: usize) -> *mut u8 {
[INFO] [stdout]    |                                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling notify v4.0.15
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling tracing v0.1.25
[INFO] [stderr]    Compiling steadfast_modules v0.1.0 (/opt/rustwide/workdir/steadfast_modules)
[INFO] [stderr]    Compiling tracing-subscriber v0.2.17
[INFO] [stdout] error[E0433]: failed to resolve: could not find `unix` in `libloading`
[INFO] [stdout]   --> steadfast_modules/src/lib.rs:18:30
[INFO] [stdout]    |
[INFO] [stdout] 18 | type Symbol<T> = libloading::unix::windows::Symbol<T>;
[INFO] [stdout]    |                              ^^^^ could not find `unix` in `libloading`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `VTable` is never used
[INFO] [stdout]   --> steadfast_modules/src/lib.rs:28:19
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Module<VTable: Debug> {
[INFO] [stdout]    |                   ^^^^^^ unused parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `VTable`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout]    = help: if you intended `VTable` to be a const parameter, use `const VTable: usize` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0392, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0392`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `steadfast_modules` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "25a35963844b5b8011c082a7a79b60d01c1beae9b35fefea09a3e2d497a234dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25a35963844b5b8011c082a7a79b60d01c1beae9b35fefea09a3e2d497a234dc", kill_on_drop: false }`
[INFO] [stdout] 25a35963844b5b8011c082a7a79b60d01c1beae9b35fefea09a3e2d497a234dc