[INFO] updating cached repository MichaelButkovic/chippy [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/MichaelButkovic/chippy [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/MichaelButkovic/chippy" "work/ex/beta-1.38-1/sources/1.37.0/gh/MichaelButkovic/chippy"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/MichaelButkovic/chippy'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/MichaelButkovic/chippy" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MichaelButkovic/chippy"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MichaelButkovic/chippy'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f52bf6b3157af746bc0ec117a8705450fe89a87f [INFO] sha for GitHub repo MichaelButkovic/chippy: f52bf6b3157af746bc0ec117a8705450fe89a87f [INFO] validating manifest of MichaelButkovic/chippy on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of MichaelButkovic/chippy on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing MichaelButkovic/chippy [INFO] finished frobbing MichaelButkovic/chippy [INFO] frobbed toml for MichaelButkovic/chippy written to work/ex/beta-1.38-1/sources/1.37.0/gh/MichaelButkovic/chippy/Cargo.toml [INFO] started frobbing MichaelButkovic/chippy [INFO] finished frobbing MichaelButkovic/chippy [INFO] frobbed toml for MichaelButkovic/chippy written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MichaelButkovic/chippy/Cargo.toml [INFO] crate MichaelButkovic/chippy already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing MichaelButkovic/chippy against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/MichaelButkovic/chippy:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 94a3b907858312990350ebd25e01353d5d30dcf5c92a203cef2746989bd89b50 [INFO] running `"docker" "start" "-a" "94a3b907858312990350ebd25e01353d5d30dcf5c92a203cef2746989bd89b50"` [INFO] [stderr] Compiling chippy v0.0.1 (/opt/crater/workdir) [INFO] [stderr] error[E0432]: unresolved import `std::old_io` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::old_io; [INFO] [stderr] | ^^^^^^^^^^^ no `old_io` in the root [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `std::old_io` [INFO] [stderr] --> src/main.rs:9:10 [INFO] [stderr] | [INFO] [stderr] 9 | use std::old_io::File; [INFO] [stderr] | ^^^^^^ could not find `old_io` in `std` [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `std::old_io` [INFO] [stderr] --> src/main.rs:10:10 [INFO] [stderr] | [INFO] [stderr] 10 | use std::old_io::BufferedReader; [INFO] [stderr] | ^^^^^^ could not find `old_io` in `std` [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `std::old_io` [INFO] [stderr] --> src/cpu.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::old_io; [INFO] [stderr] | ^^^^^^^^^^^ no `old_io` in the root [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `std::old_io` [INFO] [stderr] --> src/cpu.rs:4:10 [INFO] [stderr] | [INFO] [stderr] 4 | use std::old_io::File; [INFO] [stderr] | ^^^^^^ could not find `old_io` in `std` [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `std::old_io` [INFO] [stderr] --> src/cpu.rs:5:10 [INFO] [stderr] | [INFO] [stderr] 5 | use std::old_io::BufferedReader; [INFO] [stderr] | ^^^^^^ could not find `old_io` in `std` [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `getcwd` in module `os` [INFO] [stderr] --> src/cpu.rs:16:24 [INFO] [stderr] | [INFO] [stderr] 16 | let mut path = os::getcwd().unwrap(); [INFO] [stderr] | ^^^^^^ not found in `os` [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/main.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | #![feature(io, path, os)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::os` [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::os; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::str` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::str; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `cpu::CPU` [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use cpu::CPU; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::str` [INFO] [stderr] --> src/cpu.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::str; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 8 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0425, E0432, E0554. [INFO] [stderr] For more information about an error, try `rustc --explain E0425`. [INFO] [stderr] error: Could not compile `chippy`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "94a3b907858312990350ebd25e01353d5d30dcf5c92a203cef2746989bd89b50"` [INFO] running `"docker" "rm" "-f" "94a3b907858312990350ebd25e01353d5d30dcf5c92a203cef2746989bd89b50"` [INFO] [stdout] 94a3b907858312990350ebd25e01353d5d30dcf5c92a203cef2746989bd89b50