[INFO] updating cached repository https://github.com/bethanylong/rush
[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] a8d7eb4d6cb89c5f4c5409d52772c1230fde2293
[INFO] testing bethanylong/rush against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbethanylong%2Frush" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bethanylong/rush on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/bethanylong/rush
[INFO] finished tweaking git repo https://github.com/bethanylong/rush
[INFO] tweaked toml for git repo https://github.com/bethanylong/rush written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/bethanylong/rush already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.44.0" "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] d25fdebbe7ac87fc0c8ab38fcab1945c0ce1e1978ed0835c1a897f2d6fba9f11
[INFO] running `"docker" "start" "-a" "d25fdebbe7ac87fc0c8ab38fcab1945c0ce1e1978ed0835c1a897f2d6fba9f11"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rush v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::io::Command`
[INFO] [stderr]   --> src/main.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |     use std::io::Command;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ no `Command` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `split_str` found for struct `std::string::String` in the current scope
[INFO] [stderr]   --> src/main.rs:12:34
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let split_vec: Vec<&str> = s.split_str(" ").filter(|p| !p.is_empty()).collect();
[INFO] [stderr]    |                                  ^^^^^^^^^ help: there is an associated function with a similar name: `split_at`
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 1 argument but 0 arguments were supplied
[INFO] [stderr]   --> src/main.rs:26:26
[INFO] [stderr]    |
[INFO] [stderr] 26 |                         .read_line()
[INFO] [stderr]    |                          ^^^^^^^^^- supplied 0 arguments
[INFO] [stderr]    |                          |
[INFO] [stderr]    |                          expected 1 argument
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `trim` found for type `usize` in the current scope
[INFO] [stderr]   --> src/main.rs:30:15
[INFO] [stderr]    |
[INFO] [stderr] 30 |         input.trim().to_string()
[INFO] [stderr]    |               ^^^^ method not found in `usize`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0061, E0432, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0061`.
[INFO] [stderr] error: could not compile `rush`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d25fdebbe7ac87fc0c8ab38fcab1945c0ce1e1978ed0835c1a897f2d6fba9f11"`
[INFO] running `"docker" "rm" "-f" "d25fdebbe7ac87fc0c8ab38fcab1945c0ce1e1978ed0835c1a897f2d6fba9f11"`
[INFO] [stdout] d25fdebbe7ac87fc0c8ab38fcab1945c0ce1e1978ed0835c1a897f2d6fba9f11