Dec 13 06:24:33.613 INFO testing rbalicki2/wasm-experiments against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 06:24:33.613 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 13 06:24:34.119 INFO [stdout] 148fdec82de3fd3d0312f4ddb7a5672a42af99b10f26f94c3aead98a7933b5ec
Dec 13 06:24:34.199 INFO running `"docker" "start" "-a" "148fdec82de3fd3d0312f4ddb7a5672a42af99b10f26f94c3aead98a7933b5ec"`
Dec 13 06:24:35.501 INFO [stderr] usermod: no changes
Dec 13 06:24:35.613 INFO [stderr]    Compiling serde_json v1.0.9
Dec 13 06:24:39.988 INFO [stderr]    Compiling stdweb v0.3.0
Dec 13 06:25:02.063 INFO [stderr]    Compiling wasm-minimal v0.1.0 (/source)
Dec 13 06:25:02.383 INFO [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? (see issue #27812)
Dec 13 06:25:02.383 INFO [stderr]  --> src/lib.rs:2:1
Dec 13 06:25:02.383 INFO [stderr]   |
Dec 13 06:25:02.383 INFO [stderr] 2 | extern crate libc;
Dec 13 06:25:02.383 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 13 06:25:02.383 INFO [stderr]   |
Dec 13 06:25:02.383 INFO [stderr]   = help: add #![feature(rustc_private)] to the crate attributes to enable
Dec 13 06:25:02.383 INFO [stderr] 
Dec 13 06:25:02.399 INFO [stderr] error: aborting due to previous error
Dec 13 06:25:02.399 INFO [stderr] 
Dec 13 06:25:02.399 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 13 06:25:02.404 INFO [stderr] error: Could not compile `wasm-minimal`.
Dec 13 06:25:02.404 INFO [stderr] 
Dec 13 06:25:02.404 INFO [stderr] To learn more, run the command again with --verbose.
Dec 13 06:25:02.406 INFO [stderr] su: No module specific data is present
Dec 13 06:25:03.527 INFO running `"docker" "inspect" "148fdec82de3fd3d0312f4ddb7a5672a42af99b10f26f94c3aead98a7933b5ec"`
Dec 13 06:25:03.943 INFO running `"docker" "rm" "-f" "148fdec82de3fd3d0312f4ddb7a5672a42af99b10f26f94c3aead98a7933b5ec"`
Dec 13 06:25:04.326 INFO [stdout] 148fdec82de3fd3d0312f4ddb7a5672a42af99b10f26f94c3aead98a7933b5ec