[INFO] crate rust-nntp 0.0.1 is already in cache
[INFO] extracting crate rust-nntp 0.0.1 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/rust-nntp/0.0.1
[INFO] extracting crate rust-nntp 0.0.1 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/rust-nntp/0.0.1
[INFO] validating manifest of rust-nntp-0.0.1 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rust-nntp-0.0.1 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rust-nntp-0.0.1
[INFO] finished frobbing rust-nntp-0.0.1
[INFO] frobbed toml for rust-nntp-0.0.1 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/rust-nntp/0.0.1/Cargo.toml
[INFO] started frobbing rust-nntp-0.0.1
[INFO] finished frobbing rust-nntp-0.0.1
[INFO] frobbed toml for rust-nntp-0.0.1 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/rust-nntp/0.0.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rust-nntp-0.0.1 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-7/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/rust-nntp/0.0.1:/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=forbid" "-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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] df7eb361bde11485410bc11049507c962db8642243b0332f9f593ca08779ab8a
[INFO] running `"docker" "start" "-a" "df7eb361bde11485410bc11049507c962db8642243b0332f9f593ca08779ab8a"`
[INFO] [stderr]     Checking rust-nntp v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved imports `std::io::IoResult`, `std::io::TcpStream`, `std::io::IoError`
[INFO] [stderr]  --> src/nntp.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{IoResult, TcpStream, IoError};
[INFO] [stderr]   |               ^^^^^^^^  ^^^^^^^^^  ^^^^^^^ no `IoError` in `io`
[INFO] [stderr]   |               |         |
[INFO] [stderr]   |               |         no `TcpStream` in `io`
[INFO] [stderr]   |               no `IoResult` in `io`
[INFO] [stderr] help: a similar name exists in the module
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{Result, TcpStream, IoError};
[INFO] [stderr]   |               ^^^^^^
[INFO] [stderr] help: a similar name exists in the module
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{IoResult, TcpStream, Error};
[INFO] [stderr]   |                                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::io::IoErrorKind`
[INFO] [stderr]  --> src/nntp.rs:6:14
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::IoErrorKind::OtherIoError;
[INFO] [stderr]   |              ^^^^^^^^^^^ could not find `IoErrorKind` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `int` in this scope
[INFO] [stderr]   --> src/nntp.rs:43:54
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn article_by_number(&mut self, article_number: int) -> Result<Vec<String>, String> {
[INFO] [stderr]    |                                                         ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `int` in this scope
[INFO] [stderr]   --> src/nntp.rs:69:51
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn body_by_number(&mut self, article_number: int) -> Result<Vec<String>, String> {
[INFO] [stderr]    |                                                      ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `int` in this scope
[INFO] [stderr]    --> src/nntp.rs:121:51
[INFO] [stderr]     |
[INFO] [stderr] 121 |     pub fn head_by_number(&mut self, article_number: int) -> Result<Vec<String>, String> {
[INFO] [stderr]     |                                                      ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `int` in this scope
[INFO] [stderr]    --> src/nntp.rs:278:51
[INFO] [stderr]     |
[INFO] [stderr] 278 |     pub fn stat_by_number(&mut self, article_number: int) -> Result<String, String> {
[INFO] [stderr]     |                                                      ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `int` in this scope
[INFO] [stderr]    --> src/nntp.rs:307:45
[INFO] [stderr]     |
[INFO] [stderr] 307 |     fn read_response(&mut self, expected_code: int) -> Result<(int, String), String> {
[INFO] [stderr]     |                                                ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `int` in this scope
[INFO] [stderr]    --> src/nntp.rs:307:61
[INFO] [stderr]     |
[INFO] [stderr] 307 |     fn read_response(&mut self, expected_code: int) -> Result<(int, String), String> {
[INFO] [stderr]     |                                                                ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `int` in this scope
[INFO] [stderr]    --> src/nntp.rs:332:16
[INFO] [stderr]     |
[INFO] [stderr] 332 |         let code: int = from_str(v[0]).unwrap();
[INFO] [stderr]     |                   ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `from_str` in this scope
[INFO] [stderr]    --> src/nntp.rs:332:22
[INFO] [stderr]     |
[INFO] [stderr] 332 |         let code: int = from_str(v[0]).unwrap();
[INFO] [stderr]     |                         ^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `std::io::IoResult`, `std::io::TcpStream`, `std::io::IoError`
[INFO] [stderr]  --> src/nntp.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{IoResult, TcpStream, IoError};
[INFO] [stderr]   |               ^^^^^^^^  ^^^^^^^^^  ^^^^^^^ no `IoError` in `io`
[INFO] [stderr]   |               |         |
[INFO] [stderr]   |               |         no `TcpStream` in `io`
[INFO] [stderr]   |               no `IoResult` in `io`
[INFO] [stderr] help: a similar name exists in the module
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{Result, TcpStream, IoError};
[INFO] [stderr]   |               ^^^^^^
[INFO] [stderr] help: a similar name exists in the module
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{IoResult, TcpStream, Error};
[INFO] [stderr]   |                                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::io::IoErrorKind`
[INFO] [stderr]  --> src/nntp.rs:6:14
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::IoErrorKind::OtherIoError;
[INFO] [stderr]   |              ^^^^^^^^^^^ could not find `IoErrorKind` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]   --> src/nntp.rs:21:59
[INFO] [stderr]    |
[INFO] [stderr] 21 |         let tcp_stream = try!(TcpStream::connect(connect_string.as_slice()));
[INFO] [stderr]    |                                                                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]   --> src/nntp.rs:34:48
[INFO] [stderr]    |
[INFO] [stderr] 34 |         self.retrieve_article(format!("ARTICLE\r\n").as_slice())
[INFO] [stderr]    |                                                      ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]   --> src/nntp.rs:39:63
[INFO] [stderr]    |
[INFO] [stderr] 39 |         self.retrieve_article(format!("ARTICLE {}\r\n", article_id).as_slice())
[INFO] [stderr]    |                                                                     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]   --> src/nntp.rs:44:67
[INFO] [stderr]    |
[INFO] [stderr] 44 |         self.retrieve_article(format!("ARTICLE {}\r\n", article_number).as_slice())
[INFO] [stderr]    |                                                                         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `&str` in the current scope
[INFO] [stderr]   --> src/nntp.rs:48:41
[INFO] [stderr]    |
[INFO] [stderr] 48 |         self.stream.write_str(article_command.as_slice());
[INFO] [stderr]    |                                               ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]   --> src/nntp.rs:60:42
[INFO] [stderr]    |
[INFO] [stderr] 60 |         self.retrieve_body(format!("BODY\r\n").as_slice())
[INFO] [stderr]    |                                                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]   --> src/nntp.rs:65:57
[INFO] [stderr]    |
[INFO] [stderr] 65 |         self.retrieve_body(format!("BODY {}\r\n", article_id).as_slice())
[INFO] [stderr]    |                                                               ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]   --> src/nntp.rs:70:61
[INFO] [stderr]    |
[INFO] [stderr] 70 |         self.retrieve_body(format!("BODY {}\r\n", article_number).as_slice())
[INFO] [stderr]    |                                                                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `&str` in the current scope
[INFO] [stderr]   --> src/nntp.rs:74:38
[INFO] [stderr]    |
[INFO] [stderr] 74 |         self.stream.write_str(body_command.as_slice());
[INFO] [stderr]    |                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]   --> src/nntp.rs:88:46
[INFO] [stderr]    |
[INFO] [stderr] 88 |         self.stream.write_str(capabilities_command.as_slice());
[INFO] [stderr]    |                                                    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]    --> src/nntp.rs:102:38
[INFO] [stderr]     |
[INFO] [stderr] 102 |         self.stream.write_str(date_command.as_slice());
[INFO] [stderr]     |                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]    --> src/nntp.rs:112:42
[INFO] [stderr]     |
[INFO] [stderr] 112 |         self.retrieve_head(format!("HEAD\r\n").as_slice())
[INFO] [stderr]     |                                                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `int` in this scope
[INFO] [stderr]   --> src/nntp.rs:43:54
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn article_by_number(&mut self, article_number: int) -> Result<Vec<String>, String> {
[INFO] [stderr]    |                                                         ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `int` in this scope
[INFO] [stderr]   --> src/nntp.rs:69:51
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn body_by_number(&mut self, article_number: int) -> Result<Vec<String>, String> {
[INFO] [stderr]    |                                                      ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `int` in this scope
[INFO] [stderr]    --> src/nntp.rs:121:51
[INFO] [stderr]     |
[INFO] [stderr] 121 |     pub fn head_by_number(&mut self, article_number: int) -> Result<Vec<String>, String> {
[INFO] [stderr]     |                                                      ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `int` in this scope
[INFO] [stderr]    --> src/nntp.rs:278:51
[INFO] [stderr]     |
[INFO] [stderr] 278 |     pub fn stat_by_number(&mut self, article_number: int) -> Result<String, String> {
[INFO] [stderr]     |                                                      ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `int` in this scope
[INFO] [stderr]    --> src/nntp.rs:307:45
[INFO] [stderr]     |
[INFO] [stderr] 307 |     fn read_response(&mut self, expected_code: int) -> Result<(int, String), String> {
[INFO] [stderr]     |                                                ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `int` in this scope
[INFO] [stderr]    --> src/nntp.rs:307:61
[INFO] [stderr]     |
[INFO] [stderr] 307 |     fn read_response(&mut self, expected_code: int) -> Result<(int, String), String> {
[INFO] [stderr]     |                                                                ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `int` in this scope
[INFO] [stderr]    --> src/nntp.rs:332:16
[INFO] [stderr]     |
[INFO] [stderr] 332 |         let code: int = from_str(v[0]).unwrap();
[INFO] [stderr]     |                   ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `from_str` in this scope
[INFO] [stderr]    --> src/nntp.rs:332:22
[INFO] [stderr]     |
[INFO] [stderr] 332 |         let code: int = from_str(v[0]).unwrap();
[INFO] [stderr]     |                         ^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]    --> src/nntp.rs:117:57
[INFO] [stderr]     |
[INFO] [stderr] 117 |         self.retrieve_head(format!("HEAD {}\r\n", article_id).as_slice())
[INFO] [stderr]     |                                                               ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]    --> src/nntp.rs:122:61
[INFO] [stderr]     |
[INFO] [stderr] 122 |         self.retrieve_head(format!("HEAD {}\r\n", article_number).as_slice())
[INFO] [stderr]     |                                                                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `&str` in the current scope
[INFO] [stderr]    --> src/nntp.rs:126:38
[INFO] [stderr]     |
[INFO] [stderr] 126 |         self.stream.write_str(head_command.as_slice());
[INFO] [stderr]     |                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]    --> src/nntp.rs:140:38
[INFO] [stderr]     |
[INFO] [stderr] 140 |         self.stream.write_str(last_command.as_slice());
[INFO] [stderr]     |                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]    --> src/nntp.rs:152:38
[INFO] [stderr]     |
[INFO] [stderr] 152 |         self.stream.write_str(list_command.as_slice());
[INFO] [stderr]     |                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]    --> src/nntp.rs:166:39
[INFO] [stderr]     |
[INFO] [stderr] 166 |         self.stream.write_str(group_command.as_slice());
[INFO] [stderr]     |                                             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]    --> src/nntp.rs:178:38
[INFO] [stderr]     |
[INFO] [stderr] 178 |         self.stream.write_str(help_command.as_slice());
[INFO] [stderr]     |                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]    --> src/nntp.rs:191:38
[INFO] [stderr]     |
[INFO] [stderr] 191 |         self.stream.write_str(quit_command.as_slice());
[INFO] [stderr]     |                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]    --> src/nntp.rs:206:43
[INFO] [stderr]     |
[INFO] [stderr] 206 |         self.stream.write_str(newgroups_command.as_slice());
[INFO] [stderr]     |                                                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]    --> src/nntp.rs:223:41
[INFO] [stderr]     |
[INFO] [stderr] 223 |         self.stream.write_str(newnews_command.as_slice());
[INFO] [stderr]     |                                               ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]    --> src/nntp.rs:236:38
[INFO] [stderr]     |
[INFO] [stderr] 236 |         self.stream.write_str(next_command.as_slice());
[INFO] [stderr]     |                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]    --> src/nntp.rs:252:38
[INFO] [stderr]     |
[INFO] [stderr] 252 |         self.stream.write_str(post_command.as_slice());
[INFO] [stderr]     |                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]    --> src/nntp.rs:269:42
[INFO] [stderr]     |
[INFO] [stderr] 269 |         self.retrieve_stat(format!("STAT\r\n").as_slice())
[INFO] [stderr]     |                                                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]    --> src/nntp.rs:274:57
[INFO] [stderr]     |
[INFO] [stderr] 274 |         self.retrieve_stat(format!("STAT {}\r\n", article_id).as_slice())
[INFO] [stderr]     |                                                               ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]    --> src/nntp.rs:279:61
[INFO] [stderr]     |
[INFO] [stderr] 279 |         self.retrieve_stat(format!("STAT {}\r\n", article_number).as_slice())
[INFO] [stderr]     |                                                                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `&str` in the current scope
[INFO] [stderr]    --> src/nntp.rs:283:38
[INFO] [stderr]     |
[INFO] [stderr] 283 |         self.stream.write_str(stat_command.as_slice());
[INFO] [stderr]     |                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `from_str` found for type `std::string::String` in the current scope
[INFO] [stderr]    --> src/nntp.rs:298:32
[INFO] [stderr]     |
[INFO] [stderr] 298 |         let message_string = String::from_str(message);
[INFO] [stderr]     |                                      ^^^^^^^^ function or associated item not found in `std::string::String`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr] help: the following trait is implemented but not in scope, perhaps add a `use` for it:
[INFO] [stderr]     |
[INFO] [stderr] 4   | use std::str::FromStr;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]   --> src/nntp.rs:21:59
[INFO] [stderr]    |
[INFO] [stderr] 21 |         let tcp_stream = try!(TcpStream::connect(connect_string.as_slice()));
[INFO] [stderr]    |                                                                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]    --> src/nntp.rs:325:35
[INFO] [stderr]     |
[INFO] [stderr] 325 |         let trimmed_response = response.as_slice().trim_chars(chars_to_trim);
[INFO] [stderr]     |                                         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `from_str` found for type `std::string::String` in the current scope
[INFO] [stderr]    --> src/nntp.rs:337:24
[INFO] [stderr]     |
[INFO] [stderr] 337 |         Ok((code, String::from_str(message)))
[INFO] [stderr]     |                           ^^^^^^^^ function or associated item not found in `std::string::String`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr] help: the following trait is implemented but not in scope, perhaps add a `use` for it:
[INFO] [stderr]     |
[INFO] [stderr] 4   | use std::str::FromStr;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]   --> src/nntp.rs:34:48
[INFO] [stderr]    |
[INFO] [stderr] 34 |         self.retrieve_article(format!("ARTICLE\r\n").as_slice())
[INFO] [stderr]    |                                                      ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]   --> src/nntp.rs:39:63
[INFO] [stderr]    |
[INFO] [stderr] 39 |         self.retrieve_article(format!("ARTICLE {}\r\n", article_id).as_slice())
[INFO] [stderr]    |                                                                     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]   --> src/nntp.rs:44:67
[INFO] [stderr]    |
[INFO] [stderr] 44 |         self.retrieve_article(format!("ARTICLE {}\r\n", article_number).as_slice())
[INFO] [stderr]    |                                                                         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `&str` in the current scope
[INFO] [stderr]   --> src/nntp.rs:48:41
[INFO] [stderr]    |
[INFO] [stderr] 48 |         self.stream.write_str(article_command.as_slice());
[INFO] [stderr]    |                                               ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]   --> src/nntp.rs:60:42
[INFO] [stderr]    |
[INFO] [stderr] 60 |         self.retrieve_body(format!("BODY\r\n").as_slice())
[INFO] [stderr]    |                                                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 41 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0412, E0425, E0432, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0412`.
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]   --> src/nntp.rs:65:57
[INFO] [stderr]    |
[INFO] [stderr] 65 |         self.retrieve_body(format!("BODY {}\r\n", article_id).as_slice())
[INFO] [stderr]    |                                                               ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]   --> src/nntp.rs:70:61
[INFO] [stderr]    |
[INFO] [stderr] 70 |         self.retrieve_body(format!("BODY {}\r\n", article_number).as_slice())
[INFO] [stderr]    |                                                                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `&str` in the current scope
[INFO] [stderr]   --> src/nntp.rs:74:38
[INFO] [stderr]    |
[INFO] [stderr] 74 |         self.stream.write_str(body_command.as_slice());
[INFO] [stderr]    |                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]   --> src/nntp.rs:88:46
[INFO] [stderr]    |
[INFO] [stderr] 88 |         self.stream.write_str(capabilities_command.as_slice());
[INFO] [stderr]    |                                                    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]    --> src/nntp.rs:102:38
[INFO] [stderr]     |
[INFO] [stderr] 102 |         self.stream.write_str(date_command.as_slice());
[INFO] [stderr]     |                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]    --> src/nntp.rs:112:42
[INFO] [stderr]     |
[INFO] [stderr] 112 |         self.retrieve_head(format!("HEAD\r\n").as_slice())
[INFO] [stderr]     |                                                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]    --> src/nntp.rs:117:57
[INFO] [stderr]     |
[INFO] [stderr] 117 |         self.retrieve_head(format!("HEAD {}\r\n", article_id).as_slice())
[INFO] [stderr]     |                                                               ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]    --> src/nntp.rs:122:61
[INFO] [stderr]     |
[INFO] [stderr] 122 |         self.retrieve_head(format!("HEAD {}\r\n", article_number).as_slice())
[INFO] [stderr]     |                                                                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `&str` in the current scope
[INFO] [stderr]    --> src/nntp.rs:126:38
[INFO] [stderr]     |
[INFO] [stderr] 126 |         self.stream.write_str(head_command.as_slice());
[INFO] [stderr]     |                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]    --> src/nntp.rs:140:38
[INFO] [stderr]     |
[INFO] [stderr] 140 |         self.stream.write_str(last_command.as_slice());
[INFO] [stderr]     |                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]    --> src/nntp.rs:152:38
[INFO] [stderr]     |
[INFO] [stderr] 152 |         self.stream.write_str(list_command.as_slice());
[INFO] [stderr]     |                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]    --> src/nntp.rs:166:39
[INFO] [stderr]     |
[INFO] [stderr] 166 |         self.stream.write_str(group_command.as_slice());
[INFO] [stderr]     |                                             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rust-nntp`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]    --> src/nntp.rs:178:38
[INFO] [stderr]     |
[INFO] [stderr] 178 |         self.stream.write_str(help_command.as_slice());
[INFO] [stderr]     |                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]    --> src/nntp.rs:191:38
[INFO] [stderr]     |
[INFO] [stderr] 191 |         self.stream.write_str(quit_command.as_slice());
[INFO] [stderr]     |                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]    --> src/nntp.rs:206:43
[INFO] [stderr]     |
[INFO] [stderr] 206 |         self.stream.write_str(newgroups_command.as_slice());
[INFO] [stderr]     |                                                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]    --> src/nntp.rs:223:41
[INFO] [stderr]     |
[INFO] [stderr] 223 |         self.stream.write_str(newnews_command.as_slice());
[INFO] [stderr]     |                                               ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]    --> src/nntp.rs:236:38
[INFO] [stderr]     |
[INFO] [stderr] 236 |         self.stream.write_str(next_command.as_slice());
[INFO] [stderr]     |                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]    --> src/nntp.rs:252:38
[INFO] [stderr]     |
[INFO] [stderr] 252 |         self.stream.write_str(post_command.as_slice());
[INFO] [stderr]     |                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]    --> src/nntp.rs:269:42
[INFO] [stderr]     |
[INFO] [stderr] 269 |         self.retrieve_stat(format!("STAT\r\n").as_slice())
[INFO] [stderr]     |                                                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]    --> src/nntp.rs:274:57
[INFO] [stderr]     |
[INFO] [stderr] 274 |         self.retrieve_stat(format!("STAT {}\r\n", article_id).as_slice())
[INFO] [stderr]     |                                                               ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]    --> src/nntp.rs:279:61
[INFO] [stderr]     |
[INFO] [stderr] 279 |         self.retrieve_stat(format!("STAT {}\r\n", article_number).as_slice())
[INFO] [stderr]     |                                                                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `&str` in the current scope
[INFO] [stderr]    --> src/nntp.rs:283:38
[INFO] [stderr]     |
[INFO] [stderr] 283 |         self.stream.write_str(stat_command.as_slice());
[INFO] [stderr]     |                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `from_str` found for type `std::string::String` in the current scope
[INFO] [stderr]    --> src/nntp.rs:298:32
[INFO] [stderr]     |
[INFO] [stderr] 298 |         let message_string = String::from_str(message);
[INFO] [stderr]     |                                      ^^^^^^^^ function or associated item not found in `std::string::String`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr] help: the following trait is implemented but not in scope, perhaps add a `use` for it:
[INFO] [stderr]     |
[INFO] [stderr] 4   | use std::str::FromStr;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]    --> src/nntp.rs:325:35
[INFO] [stderr]     |
[INFO] [stderr] 325 |         let trimmed_response = response.as_slice().trim_chars(chars_to_trim);
[INFO] [stderr]     |                                         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `from_str` found for type `std::string::String` in the current scope
[INFO] [stderr]    --> src/nntp.rs:337:24
[INFO] [stderr]     |
[INFO] [stderr] 337 |         Ok((code, String::from_str(message)))
[INFO] [stderr]     |                           ^^^^^^^^ function or associated item not found in `std::string::String`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr] help: the following trait is implemented but not in scope, perhaps add a `use` for it:
[INFO] [stderr]     |
[INFO] [stderr] 4   | use std::str::FromStr;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 41 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0412, E0425, E0432, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0412`.
[INFO] [stderr] error: Could not compile `rust-nntp`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "df7eb361bde11485410bc11049507c962db8642243b0332f9f593ca08779ab8a"`
[INFO] running `"docker" "rm" "-f" "df7eb361bde11485410bc11049507c962db8642243b0332f9f593ca08779ab8a"`
[INFO] [stdout] df7eb361bde11485410bc11049507c962db8642243b0332f9f593ca08779ab8a