[INFO] updating cached repository Rustafarians/CodeBender
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Rustafarians/CodeBender
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Rustafarians/CodeBender" "work/ex/beta-1.38-1/sources/1.37.0/gh/Rustafarians/CodeBender"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Rustafarians/CodeBender'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Rustafarians/CodeBender" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Rustafarians/CodeBender"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Rustafarians/CodeBender'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c31c62fec3b446cdd4b31d2c04fc6bfbde560a3c
[INFO] sha for GitHub repo Rustafarians/CodeBender: c31c62fec3b446cdd4b31d2c04fc6bfbde560a3c
[INFO] validating manifest of Rustafarians/CodeBender 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 Rustafarians/CodeBender 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 Rustafarians/CodeBender
[INFO] finished frobbing Rustafarians/CodeBender
[INFO] frobbed toml for Rustafarians/CodeBender written to work/ex/beta-1.38-1/sources/1.37.0/gh/Rustafarians/CodeBender/Cargo.toml
[INFO] started frobbing Rustafarians/CodeBender
[INFO] finished frobbing Rustafarians/CodeBender
[INFO] frobbed toml for Rustafarians/CodeBender written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Rustafarians/CodeBender/Cargo.toml
[INFO] crate Rustafarians/CodeBender 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 Rustafarians/CodeBender 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Rustafarians/CodeBender:/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] 41c5b2b3c76abf63ea3d15a52c5aaab96d7838d5f9465caa15c74ace6b12f428
[INFO] running `"docker" "start" "-a" "41c5b2b3c76abf63ea3d15a52c5aaab96d7838d5f9465caa15c74ace6b12f428"`
[INFO] [stderr]    Compiling CodeBender v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::io::Command`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::Command;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^ no `Command` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `args` in module `os`
[INFO] [stderr]  --> src/main.rs:5:20
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let args = os::args();
[INFO] [stderr]   |                    ^^^^ not found in `os`
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::env::args;
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `CodeBender`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "41c5b2b3c76abf63ea3d15a52c5aaab96d7838d5f9465caa15c74ace6b12f428"`
[INFO] running `"docker" "rm" "-f" "41c5b2b3c76abf63ea3d15a52c5aaab96d7838d5f9465caa15c74ace6b12f428"`
[INFO] [stdout] 41c5b2b3c76abf63ea3d15a52c5aaab96d7838d5f9465caa15c74ace6b12f428