[INFO] crate rustop 1.0.4 is already in cache
[INFO] checking rustop-1.0.4 against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] extracting crate rustop 1.0.4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate rustop 1.0.4 on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustop 1.0.4
[INFO] finished tweaking crates.io crate rustop 1.0.4
[INFO] tweaked toml for crates.io crate rustop 1.0.4 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 868943a06f93fa0375ddbb878276a49eff5d9c87af4b7fdd3b700d573384b87d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "868943a06f93fa0375ddbb878276a49eff5d9c87af4b7fdd3b700d573384b87d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "868943a06f93fa0375ddbb878276a49eff5d9c87af4b7fdd3b700d573384b87d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "868943a06f93fa0375ddbb878276a49eff5d9c87af4b7fdd3b700d573384b87d", kill_on_drop: false }`
[INFO] [stdout] 868943a06f93fa0375ddbb878276a49eff5d9c87af4b7fdd3b700d573384b87d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7afd185664355d05ec4fc95a4c4e2bef23376c7084b4f6e12808ea5d13b125e9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7afd185664355d05ec4fc95a4c4e2bef23376c7084b4f6e12808ea5d13b125e9", kill_on_drop: false }`
[INFO] [stderr]     Checking rustop v1.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rustop.rs:294:20
[INFO] [stdout]     |
[INFO] [stdout] 294 |     ParseError(Box<StdError>),
[INFO] [stdout]     |                    ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rustop.rs:318:32
[INFO] [stdout]     |
[INFO] [stdout] 318 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stdout]     |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rustop.rs:571:49
[INFO] [stdout]     |
[INFO] [stdout] 571 |             .map_err(|err| Box::new(err) as Box<StdError>)
[INFO] [stdout]     |                                                 ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rustop.rs:596:49
[INFO] [stdout]     |
[INFO] [stdout] 596 |             .map_err(|err| Box::new(err) as Box<StdError>)
[INFO] [stdout]     |                                                 ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rustop.rs:643:53
[INFO] [stdout]     |
[INFO] [stdout] 643 |                 .map_err(|err| Box::new(err) as Box<StdError>)
[INFO] [stdout]     |                                                     ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rustop.rs:667:14
[INFO] [stdout]     |
[INFO] [stdout] 667 |     var: Box<CommandLineArgument + 'a>,
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CommandLineArgument + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rustop.rs:695:14
[INFO] [stdout]     |
[INFO] [stdout] 695 |     var: Box<CommandLineArgument + 'a>,
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CommandLineArgument + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/rustop.rs:1186:44
[INFO] [stdout]      |
[INFO] [stdout] 1186 |     pub fn write_usage(&self, output: &mut std::io::Write) -> Result<(), std::io::Error> {
[INFO] [stdout]      |                                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/rustop.rs:301:63
[INFO] [stdout]     |
[INFO] [stdout] 301 |             ParseError(ref err) => write!(fmt, "{}: {}", self.description(), err),
[INFO] [stdout]     |                                                               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rustop.rs:294:20
[INFO] [stdout]     |
[INFO] [stdout] 294 |     ParseError(Box<StdError>),
[INFO] [stdout]     |                    ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rustop.rs:318:32
[INFO] [stdout]     |
[INFO] [stdout] 318 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stdout]     |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rustop.rs:571:49
[INFO] [stdout]     |
[INFO] [stdout] 571 |             .map_err(|err| Box::new(err) as Box<StdError>)
[INFO] [stdout]     |                                                 ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rustop.rs:596:49
[INFO] [stdout]     |
[INFO] [stdout] 596 |             .map_err(|err| Box::new(err) as Box<StdError>)
[INFO] [stdout]     |                                                 ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rustop.rs:643:53
[INFO] [stdout]     |
[INFO] [stdout] 643 |                 .map_err(|err| Box::new(err) as Box<StdError>)
[INFO] [stdout]     |                                                     ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rustop.rs:667:14
[INFO] [stdout]     |
[INFO] [stdout] 667 |     var: Box<CommandLineArgument + 'a>,
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CommandLineArgument + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rustop.rs:695:14
[INFO] [stdout]     |
[INFO] [stdout] 695 |     var: Box<CommandLineArgument + 'a>,
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CommandLineArgument + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/rustop.rs:1186:44
[INFO] [stdout]      |
[INFO] [stdout] 1186 |     pub fn write_usage(&self, output: &mut std::io::Write) -> Result<(), std::io::Error> {
[INFO] [stdout]      |                                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/rustop.rs:302:71
[INFO] [stdout]     |
[INFO] [stdout] 302 |             UnexpectedArgument(ref arg) => write!(fmt, "{}: {}", self.description(), arg),
[INFO] [stdout]     |                                                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/rustop.rs:303:41
[INFO] [stdout]     |
[INFO] [stdout] 303 |             _ => write!(fmt, "{}", self.description()),
[INFO] [stdout]     |                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/rustop.rs:372:48
[INFO] [stdout]     |
[INFO] [stdout] 372 |             InvalidArgument(_, ref err) => err.description(),
[INFO] [stdout]     |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/rustop.rs:386:69
[INFO] [stdout]     |
[INFO] [stdout] 386 |             DuplicateLong(ref long) => write!(fmt, "{}: --{}", self.description(), long),
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/rustop.rs:387:70
[INFO] [stdout]     |
[INFO] [stdout] 387 |             DuplicateShort(ref short) => write!(fmt, "{}: -{}", self.description(), short),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/rustop.rs:389:44
[INFO] [stdout]     |
[INFO] [stdout] 389 |                 write!(fmt, "{}: {}", self.description(), opt)
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/rustop.rs:392:62
[INFO] [stdout]     |
[INFO] [stdout] 392 |                 write!(fmt, "{}: '--{}' (candidates: ", self.description(), long)?;
[INFO] [stdout]     |                                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/rustop.rs:404:22
[INFO] [stdout]     |
[INFO] [stdout] 404 |                 self.description(),
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/rustop.rs:407:82
[INFO] [stdout]     |
[INFO] [stdout] 407 |             InvalidArgument(ref opt, ref err) => write!(fmt, "{}: {} ({})", self.description(), opt, err),
[INFO] [stdout]     |                                                                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/rustop.rs:408:70
[INFO] [stdout]     |
[INFO] [stdout] 408 |             MissingLongAndShort | Help(..) => write!(fmt, "{}", self.description()),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/rustop.rs:301:63
[INFO] [stdout]     |
[INFO] [stdout] 301 |             ParseError(ref err) => write!(fmt, "{}: {}", self.description(), err),
[INFO] [stdout]     |                                                               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/rustop.rs:302:71
[INFO] [stdout]     |
[INFO] [stdout] 302 |             UnexpectedArgument(ref arg) => write!(fmt, "{}: {}", self.description(), arg),
[INFO] [stdout]     |                                                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/rustop.rs:303:41
[INFO] [stdout]     |
[INFO] [stdout] 303 |             _ => write!(fmt, "{}", self.description()),
[INFO] [stdout]     |                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/rustop.rs:372:48
[INFO] [stdout]     |
[INFO] [stdout] 372 |             InvalidArgument(_, ref err) => err.description(),
[INFO] [stdout]     |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/rustop.rs:386:69
[INFO] [stdout]     |
[INFO] [stdout] 386 |             DuplicateLong(ref long) => write!(fmt, "{}: --{}", self.description(), long),
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/rustop.rs:387:70
[INFO] [stdout]     |
[INFO] [stdout] 387 |             DuplicateShort(ref short) => write!(fmt, "{}: -{}", self.description(), short),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/rustop.rs:389:44
[INFO] [stdout]     |
[INFO] [stdout] 389 |                 write!(fmt, "{}: {}", self.description(), opt)
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/rustop.rs:392:62
[INFO] [stdout]     |
[INFO] [stdout] 392 |                 write!(fmt, "{}: '--{}' (candidates: ", self.description(), long)?;
[INFO] [stdout]     |                                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/rustop.rs:404:22
[INFO] [stdout]     |
[INFO] [stdout] 404 |                 self.description(),
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/rustop.rs:407:82
[INFO] [stdout]     |
[INFO] [stdout] 407 |             InvalidArgument(ref opt, ref err) => write!(fmt, "{}: {} ({})", self.description(), opt, err),
[INFO] [stdout]     |                                                                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/rustop.rs:408:70
[INFO] [stdout]     |
[INFO] [stdout] 408 |             MissingLongAndShort | Help(..) => write!(fmt, "{}", self.description()),
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "7afd185664355d05ec4fc95a4c4e2bef23376c7084b4f6e12808ea5d13b125e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7afd185664355d05ec4fc95a4c4e2bef23376c7084b4f6e12808ea5d13b125e9", kill_on_drop: false }`
[INFO] [stdout] 7afd185664355d05ec4fc95a4c4e2bef23376c7084b4f6e12808ea5d13b125e9