[INFO] crate caribon 0.8.1 is already in cache
[INFO] checking caribon-0.8.1 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate caribon 0.8.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate caribon 0.8.1 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate caribon 0.8.1
[INFO] finished tweaking crates.io crate caribon 0.8.1
[INFO] tweaked toml for crates.io crate caribon 0.8.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other binary targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a binary target:
[INFO] [stderr] 
[INFO] [stderr] * /workspace/builds/worker-4/source/src/bin/config.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autobins = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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] e2cc7b90df3f463fa134b3294eb269d198dade689b87cffc76ec9be27e87431a
[INFO] running `"docker" "start" "-a" "e2cc7b90df3f463fa134b3294eb269d198dade689b87cffc76ec9be27e87431a"`
[INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other binary targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a binary target:
[INFO] [stderr] 
[INFO] [stderr] * /opt/rustwide/workdir/src/bin/config.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autobins = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]    Compiling stemmer v0.3.2
[INFO] [stderr]     Checking caribon v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib/parser.rs:469:17
[INFO] [stderr]     |
[INFO] [stderr] 469 |                 try!(self.tokenize_word(chars, &mut is_sentence_beginning, in_body))
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib/parser.rs:472:17
[INFO] [stderr]     |
[INFO] [stderr] 472 |                 try!(self.tokenize_html(chars, &mut ast, &mut in_body))
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib/parser.rs:474:17
[INFO] [stderr]     |
[INFO] [stderr] 474 |                 try!(self.tokenize_escape(chars))
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib/parser.rs:476:17
[INFO] [stderr]     |
[INFO] [stderr] 476 |                 try!(self.tokenize_whitespace(chars, &mut is_sentence_beginning))
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib/parser.rs:469:17
[INFO] [stderr]     |
[INFO] [stderr] 469 |                 try!(self.tokenize_word(chars, &mut is_sentence_beginning, in_body))
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib/parser.rs:472:17
[INFO] [stderr]     |
[INFO] [stderr] 472 |                 try!(self.tokenize_html(chars, &mut ast, &mut in_body))
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib/parser.rs:474:17
[INFO] [stderr]     |
[INFO] [stderr] 474 |                 try!(self.tokenize_escape(chars))
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib/parser.rs:476:17
[INFO] [stderr]     |
[INFO] [stderr] 476 |                 try!(self.tokenize_whitespace(chars, &mut is_sentence_beginning))
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib/parser.rs:507:13
[INFO] [stderr]     |
[INFO] [stderr] 507 |         let mut vec = ast.get_body_mut();
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib/parser.rs:624:13
[INFO] [stderr]     |
[INFO] [stderr] 624 |         let mut vec = ast.get_body_mut();
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib/parser.rs:663:13
[INFO] [stderr]     |
[INFO] [stderr] 663 |         let mut res = words;
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib/parser.rs:507:13
[INFO] [stderr]     |
[INFO] [stderr] 507 |         let mut vec = ast.get_body_mut();
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib/parser.rs:624:13
[INFO] [stderr]     |
[INFO] [stderr] 624 |         let mut vec = ast.get_body_mut();
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib/parser.rs:663:13
[INFO] [stderr]     |
[INFO] [stderr] 663 |         let mut res = words;
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/main.rs:38:22
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let mut parser = try!(Parser::new(&config.lang));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/main.rs:38:22
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let mut parser = try!(Parser::new(&config.lang));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/main.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         try!(config.input.read_to_string(&mut s));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/main.rs:55:23
[INFO] [stderr]    |
[INFO] [stderr] 55 |         let mut ast = try!(parser.tokenize(&s));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/main.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |         try!(config.output.write(&output.bytes().collect::<Vec<u8>>()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/main.rs:78:28
[INFO] [stderr]    |
[INFO] [stderr] 78 |             let mut line = try!(line);
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/main.rs:95:27
[INFO] [stderr]    |
[INFO] [stderr] 95 |             let mut ast = try!(parser.tokenize(&line));
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bin/config.rs:137:20
[INFO] [stderr]     |
[INFO] [stderr] 137 |     pub input: Box<Read>,
[INFO] [stderr]     |                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bin/config.rs:139:21
[INFO] [stderr]     |
[INFO] [stderr] 139 |     pub output: Box<Write>,
[INFO] [stderr]     |                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/main.rs:36:34
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn try_parse() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/main.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         try!(config.input.read_to_string(&mut s));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/main.rs:55:23
[INFO] [stderr]    |
[INFO] [stderr] 55 |         let mut ast = try!(parser.tokenize(&s));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/main.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |         try!(config.output.write(&output.bytes().collect::<Vec<u8>>()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/main.rs:78:28
[INFO] [stderr]    |
[INFO] [stderr] 78 |             let mut line = try!(line);
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/main.rs:95:27
[INFO] [stderr]    |
[INFO] [stderr] 95 |             let mut ast = try!(parser.tokenize(&line));
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bin/config.rs:137:20
[INFO] [stderr]     |
[INFO] [stderr] 137 |     pub input: Box<Read>,
[INFO] [stderr]     |                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bin/config.rs:139:21
[INFO] [stderr]     |
[INFO] [stderr] 139 |     pub output: Box<Write>,
[INFO] [stderr]     |                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/main.rs:36:34
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn try_parse() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/bin/main.rs:114:36
[INFO] [stderr]     |
[INFO] [stderr] 114 |         Err(e) => println!("{}", e.description()),
[INFO] [stderr]     |                                    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/bin/config.rs:224:69
[INFO] [stderr]     |
[INFO] [stderr] 224 |                     println!("Error opening file {}: {}", option, e.description());
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/bin/config.rs:237:69
[INFO] [stderr]     |
[INFO] [stderr] 237 |                     println!("Error opening file {}: {}", option, e.description());
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/bin/main.rs:114:36
[INFO] [stderr]     |
[INFO] [stderr] 114 |         Err(e) => println!("{}", e.description()),
[INFO] [stderr]     |                                    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/bin/config.rs:224:69
[INFO] [stderr]     |
[INFO] [stderr] 224 |                     println!("Error opening file {}: {}", option, e.description());
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/bin/config.rs:237:69
[INFO] [stderr]     |
[INFO] [stderr] 237 |                     println!("Error opening file {}: {}", option, e.description());
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.03s
[INFO] running `"docker" "inspect" "e2cc7b90df3f463fa134b3294eb269d198dade689b87cffc76ec9be27e87431a"`
[INFO] running `"docker" "rm" "-f" "e2cc7b90df3f463fa134b3294eb269d198dade689b87cffc76ec9be27e87431a"`
[INFO] [stdout] e2cc7b90df3f463fa134b3294eb269d198dade689b87cffc76ec9be27e87431a
