[INFO] updating cached repository https://github.com/vincom2/echoserver.rs
[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] e42004d97e58d2acfb10562eabd1324e6943077f
[INFO] checking vincom2/echoserver.rs against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvincom2%2Fechoserver.rs" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vincom2/echoserver.rs on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/vincom2/echoserver.rs
[INFO] finished tweaking git repo https://github.com/vincom2/echoserver.rs
[INFO] tweaked toml for git repo https://github.com/vincom2/echoserver.rs written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/vincom2/echoserver.rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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] 0100fef2c1282101e452894a88430326dbecf0759dc32777c2c70f9c5393df5d
[INFO] running `"docker" "start" "-a" "0100fef2c1282101e452894a88430326dbecf0759dc32777c2c70f9c5393df5d"`
[INFO] [stderr]     Checking echo_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `{`
[INFO] [stderr]   --> src/main.rs:39:22
[INFO] [stderr]    |
[INFO] [stderr] 39 |         spawn(proc() {
[INFO] [stderr]    |                     -^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: missing `,`
[INFO] [stderr] 
[INFO] [stderr] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `{`
[INFO] [stderr]   --> src/main.rs:39:22
[INFO] [stderr]    |
[INFO] [stderr] 39 |         spawn(proc() {
[INFO] [stderr]    |                     -^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: missing `,`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `getopts::optopt`, `getopts::optflag`, `getopts::getopts`
[INFO] [stderr]  --> src/main.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use getopts::{optopt, optflag, getopts, OptGroup};
[INFO] [stderr]   |               ^^^^^^  ^^^^^^^  ^^^^^^^ no `getopts` in the root
[INFO] [stderr]   |               |       |
[INFO] [stderr]   |               |       no `optflag` in the root
[INFO] [stderr]   |               no `optopt` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `std::io::Acceptor`, `std::io::Listener`
[INFO] [stderr]  --> src/main.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::{Acceptor, Listener};
[INFO] [stderr]   |               ^^^^^^^^  ^^^^^^^^ no `Listener` in `io`
[INFO] [stderr]   |               |
[INFO] [stderr]   |               no `Acceptor` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::io::TcpListener`
[INFO] [stderr]  --> src/bind.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{TcpListener, stdio};
[INFO] [stderr]   |               ^^^^^^^^^^^ no `TcpListener` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `std::io::TcpStream`, `std::io::IoResult`
[INFO] [stderr]  --> src/echo.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{TcpStream, IoResult};
[INFO] [stderr]   |               ^^^^^^^^^  ^^^^^^^^
[INFO] [stderr]   |               |          |
[INFO] [stderr]   |               |          no `IoResult` in `io`
[INFO] [stderr]   |               |          help: a similar name exists in the module: `Result`
[INFO] [stderr]   |               no `TcpStream` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `from_str` in this scope
[INFO] [stderr]   --> src/bind.rs:18:31
[INFO] [stderr]    |
[INFO] [stderr] 18 |                 let p : u16 = from_str(tmp2).unwrap();
[INFO] [stderr]    |                               ^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `args` in module `os`
[INFO] [stderr]   --> src/main.rs:21:20
[INFO] [stderr]    |
[INFO] [stderr] 21 |     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] 3  | use std::env::args;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `from_str` in this scope
[INFO] [stderr]   --> src/main.rs:33:20
[INFO] [stderr]    |
[INFO] [stderr] 33 |         Some(p) => from_str(p.as_slice()).unwrap()
[INFO] [stderr]    |                    ^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `spawn` in this scope
[INFO] [stderr]   --> src/main.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         spawn(proc() {
[INFO] [stderr]    |         ^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 3  | use std::thread::spawn;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `proc` in this scope
[INFO] [stderr]   --> src/main.rs:39:15
[INFO] [stderr]    |
[INFO] [stderr] 39 |         spawn(proc() {
[INFO] [stderr]    |               ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0603]: struct `OptGroup` is private
[INFO] [stderr]    --> src/main.rs:5:41
[INFO] [stderr]     |
[INFO] [stderr] 5   | use getopts::{optopt, optflag, getopts, OptGroup};
[INFO] [stderr]     |                                         ^^^^^^^^ private struct
[INFO] [stderr]     |
[INFO] [stderr] note: the struct `OptGroup` is defined here
[INFO] [stderr] 
[INFO] [stderr] error[E0603]: module `stdio` is private
[INFO] [stderr]    --> src/bind.rs:1:28
[INFO] [stderr]     |
[INFO] [stderr] 1   | use std::io::{TcpListener, stdio};
[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:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | 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[E0432]: unresolved imports `getopts::optopt`, `getopts::optflag`, `getopts::getopts`
[INFO] [stderr]  --> src/main.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use getopts::{optopt, optflag, getopts, OptGroup};
[INFO] [stderr]   |               ^^^^^^  ^^^^^^^  ^^^^^^^ no `getopts` in the root
[INFO] [stderr]   |               |       |
[INFO] [stderr]   |               |       no `optflag` in the root
[INFO] [stderr]   |               no `optopt` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `std::io::Acceptor`, `std::io::Listener`
[INFO] [stderr]  --> src/main.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::{Acceptor, Listener};
[INFO] [stderr]   |               ^^^^^^^^  ^^^^^^^^ no `Listener` in `io`
[INFO] [stderr]   |               |
[INFO] [stderr]   |               no `Acceptor` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::io::TcpListener`
[INFO] [stderr]  --> src/bind.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{TcpListener, stdio};
[INFO] [stderr]   |               ^^^^^^^^^^^ no `TcpListener` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `std::io::TcpStream`, `std::io::IoResult`
[INFO] [stderr]  --> src/echo.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{TcpStream, IoResult};
[INFO] [stderr]   |               ^^^^^^^^^  ^^^^^^^^
[INFO] [stderr]   |               |          |
[INFO] [stderr]   |               |          no `IoResult` in `io`
[INFO] [stderr]   |               |          help: a similar name exists in the module: `Result`
[INFO] [stderr]   |               no `TcpStream` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `from_str` in this scope
[INFO] [stderr]   --> src/bind.rs:18:31
[INFO] [stderr]    |
[INFO] [stderr] 18 |                 let p : u16 = from_str(tmp2).unwrap();
[INFO] [stderr]    |                               ^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `args` in module `os`
[INFO] [stderr]   --> src/main.rs:21:20
[INFO] [stderr]    |
[INFO] [stderr] 21 |     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] 3  | use std::env::args;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `from_str` in this scope
[INFO] [stderr]   --> src/main.rs:33:20
[INFO] [stderr]    |
[INFO] [stderr] 33 |         Some(p) => from_str(p.as_slice()).unwrap()
[INFO] [stderr]    |                    ^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `spawn` in this scope
[INFO] [stderr]   --> src/main.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         spawn(proc() {
[INFO] [stderr]    |         ^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 3  | use std::thread::spawn;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `proc` in this scope
[INFO] [stderr]   --> src/main.rs:39:15
[INFO] [stderr]    |
[INFO] [stderr] 39 |         spawn(proc() {
[INFO] [stderr]    |               ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0603]: struct `OptGroup` is private
[INFO] [stderr]    --> src/main.rs:5:41
[INFO] [stderr]     |
[INFO] [stderr] 5   | use getopts::{optopt, optflag, getopts, OptGroup};
[INFO] [stderr]     |                                         ^^^^^^^^ private struct
[INFO] [stderr]     |
[INFO] [stderr] note: the struct `OptGroup` is defined here
[INFO] [stderr] 
[INFO] [stderr] error[E0603]: module `stdio` is private
[INFO] [stderr]    --> src/bind.rs:1:28
[INFO] [stderr]     |
[INFO] [stderr] 1   | use std::io::{TcpListener, stdio};
[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:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | 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: aborting due to 13 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0432, E0603, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `echo_server`.
[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: aborting due to 13 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0432, E0603, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `echo_server`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "0100fef2c1282101e452894a88430326dbecf0759dc32777c2c70f9c5393df5d"`
[INFO] running `"docker" "rm" "-f" "0100fef2c1282101e452894a88430326dbecf0759dc32777c2c70f9c5393df5d"`
[INFO] [stdout] 0100fef2c1282101e452894a88430326dbecf0759dc32777c2c70f9c5393df5d
