[INFO] updating cached repository https://github.com/mbandazian/cs4414-ps2
[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] 6e7792473489e395fa257998349536a78425dbe5
[INFO] checking mbandazian/cs4414-ps2 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbandazian%2Fcs4414-ps2" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mbandazian/cs4414-ps2 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mbandazian/cs4414-ps2
[INFO] finished tweaking git repo https://github.com/mbandazian/cs4414-ps2
[INFO] tweaked toml for git repo https://github.com/mbandazian/cs4414-ps2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/mbandazian/cs4414-ps2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4e5d3455659345fb960e2ece0c5037c3159bf7417e3d81186cade700ecddc9d7
[INFO] running `"docker" "start" "-a" "4e5d3455659345fb960e2ece0c5037c3159bf7417e3d81186cade700ecddc9d7"`
[INFO] [stderr]     Checking ps2 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved imports `getopts::optopt`, `getopts::getopts`
[INFO] [stderr]   --> src/main.rs:14:15
[INFO] [stderr]    |
[INFO] [stderr] 14 | use getopts::{optopt, getopts};
[INFO] [stderr]    |               ^^^^^^  ^^^^^^^ no `getopts` in the root
[INFO] [stderr]    |               |
[INFO] [stderr]    |               no `optopt` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::io::BufferedReader`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::io::BufferedReader;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^ no `BufferedReader` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::io::Command`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use std::io::Command;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^ no `Command` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `print` in `io::stdio`
[INFO] [stderr]   --> src/main.rs:34:24
[INFO] [stderr]    |
[INFO] [stderr] 34 |             io::stdio::print(self.cmd_prompt.as_slice());
[INFO] [stderr]    |                        ^^^^^ not found in `io::stdio`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `flush` in `io::stdio`
[INFO] [stderr]   --> src/main.rs:35:24
[INFO] [stderr]    |
[INFO] [stderr] 35 |             io::stdio::flush();
[INFO] [stderr]    |                        ^^^^^ not found in `io::stdio`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `print` in `io::stdio`
[INFO] [stderr]   --> src/main.rs:66:24
[INFO] [stderr]    |
[INFO] [stderr] 66 |             io::stdio::print(str::from_utf8(Command::new(program).args(argv).output().unwrap().output.as_slice()).unwrap());
[INFO] [stderr]    |                        ^^^^^ not found in `io::stdio`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `args` in module `os`
[INFO] [stderr]   --> src/main.rs:79:20
[INFO] [stderr]    |
[INFO] [stderr] 79 |     let args = os::args();
[INFO] [stderr]    |                    ^^^^ not found in `os`
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::env::args;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `optopt` in crate `getopts`
[INFO] [stderr]   --> src/main.rs:82:18
[INFO] [stderr]    |
[INFO] [stderr] 82 |         getopts::optopt("c", "", "", "")
[INFO] [stderr]    |                  ^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `getopts` in crate `getopts`
[INFO] [stderr]   --> src/main.rs:85:14
[INFO] [stderr]    |
[INFO] [stderr] 85 |     getopts::getopts(args.tail(), opts).unwrap().opt_str("c")
[INFO] [stderr]    |              ^^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0603]: module `stdio` is private
[INFO] [stderr]    --> src/main.rs:34:17
[INFO] [stderr]     |
[INFO] [stderr] 34  |             io::stdio::print(self.cmd_prompt.as_slice());
[INFO] [stderr]     |                 ^^^^^ private module
[INFO] [stderr]     |
[INFO] [stderr] note: the module `stdio` is defined here
[INFO] [stderr] 
[INFO] [stderr] error[E0603]: module `stdio` is private
[INFO] [stderr]    --> src/main.rs:35:17
[INFO] [stderr]     |
[INFO] [stderr] 35  |             io::stdio::flush();
[INFO] [stderr]     |                 ^^^^^ private module
[INFO] [stderr]     |
[INFO] [stderr] note: the module `stdio` is defined here
[INFO] [stderr] 
[INFO] [stderr] error[E0603]: module `stdio` is private
[INFO] [stderr]    --> src/main.rs:66:17
[INFO] [stderr]     |
[INFO] [stderr] 66  |             io::stdio::print(str::from_utf8(Command::new(program).args(argv).output().unwrap().output.as_slice()).unwrap());
[INFO] [stderr]     |                 ^^^^^ private module
[INFO] [stderr]     |
[INFO] [stderr] note: the module `stdio` is defined here
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/main.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | extern crate getopts;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for reference `&'a str` in the current scope
[INFO] [stderr]   --> src/main.rs:34:46
[INFO] [stderr]    |
[INFO] [stderr] 34 |             io::stdio::print(self.cmd_prompt.as_slice());
[INFO] [stderr]    |                                              ^^^^^^^^ method not found in `&'a str`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `tail` found for struct `std::vec::Vec<&str>` in the current scope
[INFO] [stderr]   --> src/main.rs:59:58
[INFO] [stderr]    |
[INFO] [stderr] 59 |             Some(&program) => self.run_cmd(program, argv.tail()),
[INFO] [stderr]    |                                                          ^^^^ method not found in `std::vec::Vec<&str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for struct `std::string::String` in the current scope
[INFO] [stderr]   --> src/main.rs:92:63
[INFO] [stderr]    |
[INFO] [stderr] 92 |         Some(cmd_line) => Shell::new("").run_cmdline(cmd_line.as_slice()),
[INFO] [stderr]    |                                                               ^^^^^^^^ method not found in `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 16 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0432, E0599, E0603, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error[E0432]: unresolved imports `getopts::optopt`, `getopts::getopts`
[INFO] [stderr]   --> src/main.rs:14:15
[INFO] [stderr]    |
[INFO] [stderr] 14 | use getopts::{optopt, getopts};
[INFO] [stderr]    |               ^^^^^^  ^^^^^^^ no `getopts` in the root
[INFO] [stderr]    |               |
[INFO] [stderr]    |               no `optopt` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::io::BufferedReader`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::io::BufferedReader;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^ no `BufferedReader` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::io::Command`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use std::io::Command;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^ no `Command` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `print` in `io::stdio`
[INFO] [stderr]   --> src/main.rs:34:24
[INFO] [stderr]    |
[INFO] [stderr] 34 |             io::stdio::print(self.cmd_prompt.as_slice());
[INFO] [stderr]    |                        ^^^^^ not found in `io::stdio`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `flush` in `io::stdio`
[INFO] [stderr]   --> src/main.rs:35:24
[INFO] [stderr]    |
[INFO] [stderr] 35 |             io::stdio::flush();
[INFO] [stderr]    |                        ^^^^^ not found in `io::stdio`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `print` in `io::stdio`
[INFO] [stderr]   --> src/main.rs:66:24
[INFO] [stderr]    |
[INFO] [stderr] 66 |             io::stdio::print(str::from_utf8(Command::new(program).args(argv).output().unwrap().output.as_slice()).unwrap());
[INFO] [stderr]    |                        ^^^^^ not found in `io::stdio`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `args` in module `os`
[INFO] [stderr]   --> src/main.rs:79:20
[INFO] [stderr]    |
[INFO] [stderr] 79 |     let args = os::args();
[INFO] [stderr]    |                    ^^^^ not found in `os`
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::env::args;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `optopt` in crate `getopts`
[INFO] [stderr]   --> src/main.rs:82:18
[INFO] [stderr]    |
[INFO] [stderr] 82 |         getopts::optopt("c", "", "", "")
[INFO] [stderr]    |                  ^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `getopts` in crate `getopts`
[INFO] [stderr]   --> src/main.rs:85:14
[INFO] [stderr]    |
[INFO] [stderr] 85 |     getopts::getopts(args.tail(), opts).unwrap().opt_str("c")
[INFO] [stderr]    |              ^^^^^^^ not found in `getopts`
[INFO] [stderr] 
[INFO] [stderr] error[E0603]: module `stdio` is private
[INFO] [stderr]    --> src/main.rs:34:17
[INFO] [stderr]     |
[INFO] [stderr] 34  |             io::stdio::print(self.cmd_prompt.as_slice());
[INFO] [stderr]     |                 ^^^^^ private module
[INFO] [stderr]     |
[INFO] [stderr] note: the module `stdio` is defined here
[INFO] [stderr] 
[INFO] [stderr] error[E0603]: module `stdio` is private
[INFO] [stderr]    --> src/main.rs:35:17
[INFO] [stderr]     |
[INFO] [stderr] 35  |             io::stdio::flush();
[INFO] [stderr]     |                 ^^^^^ private module
[INFO] [stderr]     |
[INFO] [stderr] note: the module `stdio` is defined here
[INFO] [stderr] 
[INFO] [stderr] error[E0603]: module `stdio` is private
[INFO] [stderr]    --> src/main.rs:66:17
[INFO] [stderr]     |
[INFO] [stderr] 66  |             io::stdio::print(str::from_utf8(Command::new(program).args(argv).output().unwrap().output.as_slice()).unwrap());
[INFO] [stderr]     |                 ^^^^^ private module
[INFO] [stderr]     |
[INFO] [stderr] note: the module `stdio` is defined here
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/main.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | extern crate getopts;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `ps2`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no method named `as_slice` found for reference `&'a str` in the current scope
[INFO] [stderr]   --> src/main.rs:34:46
[INFO] [stderr]    |
[INFO] [stderr] 34 |             io::stdio::print(self.cmd_prompt.as_slice());
[INFO] [stderr]    |                                              ^^^^^^^^ method not found in `&'a str`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `tail` found for struct `std::vec::Vec<&str>` in the current scope
[INFO] [stderr]   --> src/main.rs:59:58
[INFO] [stderr]    |
[INFO] [stderr] 59 |             Some(&program) => self.run_cmd(program, argv.tail()),
[INFO] [stderr]    |                                                          ^^^^ method not found in `std::vec::Vec<&str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for struct `std::string::String` in the current scope
[INFO] [stderr]   --> src/main.rs:92:63
[INFO] [stderr]    |
[INFO] [stderr] 92 |         Some(cmd_line) => Shell::new("").run_cmdline(cmd_line.as_slice()),
[INFO] [stderr]    |                                                               ^^^^^^^^ method not found in `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 16 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0432, E0599, E0603, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `ps2`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4e5d3455659345fb960e2ece0c5037c3159bf7417e3d81186cade700ecddc9d7"`
[INFO] running `"docker" "rm" "-f" "4e5d3455659345fb960e2ece0c5037c3159bf7417e3d81186cade700ecddc9d7"`
[INFO] [stdout] 4e5d3455659345fb960e2ece0c5037c3159bf7417e3d81186cade700ecddc9d7