[INFO] updating cached repository https://github.com/MrMcEpic/Rust-Calculator
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 418dda2458f78af41c7c067db677a6e7221ff2ef
[INFO] testing MrMcEpic/Rust-Calculator against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMrMcEpic%2FRust-Calculator" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MrMcEpic/Rust-Calculator on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/MrMcEpic/Rust-Calculator
[INFO] removed path dependency lib from git repo https://github.com/MrMcEpic/Rust-Calculator
[INFO] finished tweaking git repo https://github.com/MrMcEpic/Rust-Calculator
[INFO] tweaked toml for git repo https://github.com/MrMcEpic/Rust-Calculator written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/MrMcEpic/Rust-Calculator already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: dependency (lib) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-13/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: dependency (lib) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 41086a76b4d7374761ebe497cd09b82efbe856223edbd33a9180577096106427
[INFO] running `"docker" "start" "-a" "41086a76b4d7374761ebe497cd09b82efbe856223edbd33a9180577096106427"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: dependency (lib) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `process`
[INFO] [stderr]  --> src/main.rs:6:3
[INFO] [stderr]   |
[INFO] [stderr] 6 |         process::exit(1);
[INFO] [stderr]   |         ^^^^^^^ use of undeclared type or module `process`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `process`
[INFO] [stderr]   --> src/main.rs:11:3
[INFO] [stderr]    |
[INFO] [stderr] 11 |         process::exit(1);
[INFO] [stderr]    |         ^^^^^^^ use of undeclared type or module `process`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `process`
[INFO] [stderr]   --> src/main.rs:16:3
[INFO] [stderr]    |
[INFO] [stderr] 16 |         process::exit(1);
[INFO] [stderr]    |         ^^^^^^^ use of undeclared type or module `process`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `env`
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     if env::var("debug").is_ok() {
[INFO] [stderr]    |        ^^^ use of undeclared type or module `env`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `get_input` in this scope
[INFO] [stderr]  --> src/main.rs:4:14
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let input = get_input().unwrap_or_else(|err| {
[INFO] [stderr]   |                 ^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `get_nums` in this scope
[INFO] [stderr]  --> src/main.rs:9:13
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let data = get_nums(&input).unwrap_or_else(|err| {
[INFO] [stderr]   |                ^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `do_math` in this scope
[INFO] [stderr]   --> src/main.rs:14:14
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let value = do_math(&data).unwrap_or_else(|err| {
[INFO] [stderr]    |                 ^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lib::*`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use lib::*;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 7 previous errors; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `calc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "41086a76b4d7374761ebe497cd09b82efbe856223edbd33a9180577096106427"`
[INFO] running `"docker" "rm" "-f" "41086a76b4d7374761ebe497cd09b82efbe856223edbd33a9180577096106427"`
[INFO] [stdout] 41086a76b4d7374761ebe497cd09b82efbe856223edbd33a9180577096106427