[INFO] updating cached repository renato-zannon/rust-generated
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/renato-zannon/rust-generated
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/renato-zannon/rust-generated" "work/ex/beta-1.38-1/sources/1.37.0/gh/renato-zannon/rust-generated"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/renato-zannon/rust-generated'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/renato-zannon/rust-generated" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/renato-zannon/rust-generated"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/renato-zannon/rust-generated'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7c97a88f3924aa78b60b2dcd363e76a8f973f382
[INFO] sha for GitHub repo renato-zannon/rust-generated: 7c97a88f3924aa78b60b2dcd363e76a8f973f382
[INFO] validating manifest of renato-zannon/rust-generated 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 renato-zannon/rust-generated 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 renato-zannon/rust-generated
[INFO] finished frobbing renato-zannon/rust-generated
[INFO] frobbed toml for renato-zannon/rust-generated written to work/ex/beta-1.38-1/sources/1.37.0/gh/renato-zannon/rust-generated/Cargo.toml
[INFO] started frobbing renato-zannon/rust-generated
[INFO] finished frobbing renato-zannon/rust-generated
[INFO] frobbed toml for renato-zannon/rust-generated written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/renato-zannon/rust-generated/Cargo.toml
[INFO] crate renato-zannon/rust-generated 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing renato-zannon/rust-generated against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/renato-zannon/rust-generated:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 975b39668a1790a86b16f508fb9d00369f5d2a7b0342aba30fd42a73e047dd4e
[INFO] running `"docker" "start" "-a" "975b39668a1790a86b16f508fb9d00369f5d2a7b0342aba30fd42a73e047dd4e"`
[INFO] [stderr]    Compiling generated v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::old_io`
[INFO] [stderr]  --> build.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::old_io::{fs, File, BufferedReader};
[INFO] [stderr]   |          ^^^^^^ could not find `old_io` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Path`
[INFO] [stderr]  --> build.rs:8:27
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let target_dir      = Path::new(env::var_string("OUT_DIR").unwrap());
[INFO] [stderr]   |                           ^^^^ use of undeclared type or module `Path`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Path`
[INFO] [stderr]   --> build.rs:11:28
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let source_code_path = Path::new(file!()).join_many(&["..", "src/"]);
[INFO] [stderr]    |                            ^^^^ use of undeclared type or module `Path`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `var_string` in module `env`
[INFO] [stderr]  --> build.rs:8:42
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let target_dir      = Path::new(env::var_string("OUT_DIR").unwrap());
[INFO] [stderr]   |                                          ^^^^^^^^^^ not found in `env`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> build.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(core, unicode, path, io, env)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0432, E0433, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `generated`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "975b39668a1790a86b16f508fb9d00369f5d2a7b0342aba30fd42a73e047dd4e"`
[INFO] running `"docker" "rm" "-f" "975b39668a1790a86b16f508fb9d00369f5d2a7b0342aba30fd42a73e047dd4e"`
[INFO] [stdout] 975b39668a1790a86b16f508fb9d00369f5d2a7b0342aba30fd42a73e047dd4e