[INFO] cloning repository https://github.com/actimehl/c_ffi_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/actimehl/c_ffi_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Factimehl%2Fc_ffi_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Factimehl%2Fc_ffi_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] faf5b69267432a29897b475265256aecf3f4845c
[INFO] documenting actimehl/c_ffi_test against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Factimehl%2Fc_ffi_test" "/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/actimehl/c_ffi_test on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/actimehl/c_ffi_test
[INFO] finished tweaking git repo https://github.com/actimehl/c_ffi_test
[INFO] tweaked toml for git repo https://github.com/actimehl/c_ffi_test written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/actimehl/c_ffi_test 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" "+beta-2023-04-20" "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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78bf968bdb7f471bee7eb13bb72a6f47d691728b9d81de5993adf37c89caccc5
[INFO] running `Command { std: "docker" "start" "-a" "78bf968bdb7f471bee7eb13bb72a6f47d691728b9d81de5993adf37c89caccc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78bf968bdb7f471bee7eb13bb72a6f47d691728b9d81de5993adf37c89caccc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78bf968bdb7f471bee7eb13bb72a6f47d691728b9d81de5993adf37c89caccc5", kill_on_drop: false }`
[INFO] [stdout] 78bf968bdb7f471bee7eb13bb72a6f47d691728b9d81de5993adf37c89caccc5
[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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97951758f327458561819d2d4ef323458c98e2607a12e2ccfc3ad8cb264922b8
[INFO] running `Command { std: "docker" "start" "-a" "97951758f327458561819d2d4ef323458c98e2607a12e2ccfc3ad8cb264922b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling c_ffi_test v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::old_io`
[INFO] [stdout]  --> build.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::old_io::Command;
[INFO] [stdout]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `getenv` in module `os`
[INFO] [stdout]  --> build.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let out_dir = os::getenv("OUT_DIR").unwrap();
[INFO] [stdout]   |                       ^^^^^^ not found in `os`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Path`
[INFO] [stdout]   --> build.rs:12:29
[INFO] [stdout]    |
[INFO] [stdout] 12 |                       .cwd(&Path::new(&out_dir))
[INFO] [stdout]    |                             ^^^^ use of undeclared type `Path`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 2  + use std::path::Path;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]  --> build.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![allow(unstable)]
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `c_ffi_test` (build script) due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "97951758f327458561819d2d4ef323458c98e2607a12e2ccfc3ad8cb264922b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97951758f327458561819d2d4ef323458c98e2607a12e2ccfc3ad8cb264922b8", kill_on_drop: false }`
[INFO] [stdout] 97951758f327458561819d2d4ef323458c98e2607a12e2ccfc3ad8cb264922b8
