[INFO] updating cached repository https://github.com/iamcodemaker/rust-wc
[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] a52c47ba2326da5e718e56fef31de5ec70ed4497
[INFO] testing iamcodemaker/rust-wc against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamcodemaker%2Frust-wc" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iamcodemaker/rust-wc on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/iamcodemaker/rust-wc
[INFO] finished tweaking git repo https://github.com/iamcodemaker/rust-wc
[INFO] tweaked toml for git repo https://github.com/iamcodemaker/rust-wc written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/iamcodemaker/rust-wc already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-9/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fae302302ae5a9a8470e60593b5712a830a88f13c56a59da484fb971a9cbd6b6
[INFO] running `"docker" "start" "-a" "fae302302ae5a9a8470e60593b5712a830a88f13c56a59da484fb971a9cbd6b6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rust-wc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/count.rs:34:24
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let mut file = try!(File::open(file));
[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/counter/count.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         try!(file.read(&mut buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/count.rs:38:23
[INFO] [stderr]    |
[INFO] [stderr] 38 |         count.bytes = try!(file.metadata()).len();
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/count.rs:44:20
[INFO] [stderr]    |
[INFO] [stderr] 44 |         let file = try!(File::open(file));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/count.rs:47:23
[INFO] [stderr]    |
[INFO] [stderr] 47 |         count.bytes = try!(file.metadata()).len();
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/count.rs:52:16
[INFO] [stderr]    |
[INFO] [stderr] 52 |             if try!(file.read(&mut buf)) == 0 {
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/count.rs:72:20
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let file = try!(File::open(file));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/counter/count.rs:101:26
[INFO] [stderr]     |
[INFO] [stderr] 101 |             let c_byte = try!(c);
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/display.rs:50:30
[INFO] [stderr]    |
[INFO] [stderr] 50 |         if self.opts.lines { try!(write!(f, "{}{: >width$}", padding, self.count.newlines, width = width)); padding = " "; }
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/display.rs:51:30
[INFO] [stderr]    |
[INFO] [stderr] 51 |         if self.opts.words { try!(write!(f, "{}{: >width$}", padding, self.count.words, width = width)); padding = " "; }
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/display.rs:52:30
[INFO] [stderr]    |
[INFO] [stderr] 52 |         if self.opts.chars { try!(write!(f, "{}{: >width$}", padding, self.count.chars, width = width)); padding = " "; }
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/display.rs:53:30
[INFO] [stderr]    |
[INFO] [stderr] 53 |         if self.opts.bytes { try!(write!(f, "{}{: >width$}", padding, self.count.bytes, width = width)); padding = " "; }
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/display.rs:54:33
[INFO] [stderr]    |
[INFO] [stderr] 54 |         if self.opts.max_line { try!(write!(f, "{}{: >width$}", padding, self.count.max_line, width = width)); }
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/options.rs:133:23
[INFO] [stderr]     |
[INFO] [stderr] 133 |         let matches = try!(options.parse(args.skip(1)));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/options.rs:147:22
[INFO] [stderr]     |
[INFO] [stderr] 147 |                 Some(try!(load_files_from(&files0_from)))
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/options.rs:192:20
[INFO] [stderr]     |
[INFO] [stderr] 192 |         let file = try!(File::open(file));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/options.rs:208:15
[INFO] [stderr]     |
[INFO] [stderr] 208 |         match try!(b) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/options.rs:210:26
[INFO] [stderr]     |
[INFO] [stderr] 210 |                 vec.push(try!(String::from_utf8(vec_string.clone())));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/options.rs:219:18
[INFO] [stderr]     |
[INFO] [stderr] 219 |         vec.push(try!(String::from_utf8(vec_string)));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/counter/count.rs:31:61
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn bytes_from_file(file: &str) -> Result<Count, Box<Error>> {
[INFO] [stderr]    |                                                             ^^^^^ help: use `dyn`: `dyn Error`
[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/counter/count.rs:43:61
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn lines_from_file(file: &str) -> Result<Count, Box<Error>> {
[INFO] [stderr]    |                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/counter/count.rs:71:55
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn from_file(file: &str) -> Result<Count, Box<Error>> {
[INFO] [stderr]    |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/counter/count.rs:77:46
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn from_stdin() -> Result<Count, Box<Error>> {
[INFO] [stderr]    |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/counter/count.rs:88:52
[INFO] [stderr]    |
[INFO] [stderr] 88 |     fn from_iter<I>(bytes: I) -> Result<Count, Box<Error>>
[INFO] [stderr]    |                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 24 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:51:26
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn print_count(out: &mut Write, opts: &Options, file: &str, count_result: &Result<Count, Box<Error>>) {
[INFO] [stderr]    |                          ^^^^^ help: use `dyn`: `dyn Write`
[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/main.rs:51:94
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn print_count(out: &mut Write, opts: &Options, file: &str, count_result: &Result<Count, Box<Error>>) {
[INFO] [stderr]    |                                                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:64:66
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn process_file(opts: &Options, file: &str) -> Result<Count, Box<Error>> {
[INFO] [stderr]    |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.39s
[INFO] running `"docker" "inspect" "fae302302ae5a9a8470e60593b5712a830a88f13c56a59da484fb971a9cbd6b6"`
[INFO] running `"docker" "rm" "-f" "fae302302ae5a9a8470e60593b5712a830a88f13c56a59da484fb971a9cbd6b6"`
[INFO] [stdout] fae302302ae5a9a8470e60593b5712a830a88f13c56a59da484fb971a9cbd6b6
[INFO] running `"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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stdout] ad802563890e7dc07a8ca561672181b3f515fc183be47de259f0bd40b97eeaae
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "ad802563890e7dc07a8ca561672181b3f515fc183be47de259f0bd40b97eeaae"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rust-wc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/count.rs:34:24
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let mut file = try!(File::open(file));
[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/counter/count.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         try!(file.read(&mut buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/count.rs:38:23
[INFO] [stderr]    |
[INFO] [stderr] 38 |         count.bytes = try!(file.metadata()).len();
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/count.rs:44:20
[INFO] [stderr]    |
[INFO] [stderr] 44 |         let file = try!(File::open(file));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/count.rs:47:23
[INFO] [stderr]    |
[INFO] [stderr] 47 |         count.bytes = try!(file.metadata()).len();
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/count.rs:52:16
[INFO] [stderr]    |
[INFO] [stderr] 52 |             if try!(file.read(&mut buf)) == 0 {
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/count.rs:72:20
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let file = try!(File::open(file));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/counter/count.rs:101:26
[INFO] [stderr]     |
[INFO] [stderr] 101 |             let c_byte = try!(c);
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/display.rs:50:30
[INFO] [stderr]    |
[INFO] [stderr] 50 |         if self.opts.lines { try!(write!(f, "{}{: >width$}", padding, self.count.newlines, width = width)); padding = " "; }
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/display.rs:51:30
[INFO] [stderr]    |
[INFO] [stderr] 51 |         if self.opts.words { try!(write!(f, "{}{: >width$}", padding, self.count.words, width = width)); padding = " "; }
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/display.rs:52:30
[INFO] [stderr]    |
[INFO] [stderr] 52 |         if self.opts.chars { try!(write!(f, "{}{: >width$}", padding, self.count.chars, width = width)); padding = " "; }
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/display.rs:53:30
[INFO] [stderr]    |
[INFO] [stderr] 53 |         if self.opts.bytes { try!(write!(f, "{}{: >width$}", padding, self.count.bytes, width = width)); padding = " "; }
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/display.rs:54:33
[INFO] [stderr]    |
[INFO] [stderr] 54 |         if self.opts.max_line { try!(write!(f, "{}{: >width$}", padding, self.count.max_line, width = width)); }
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/options.rs:133:23
[INFO] [stderr]     |
[INFO] [stderr] 133 |         let matches = try!(options.parse(args.skip(1)));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/options.rs:147:22
[INFO] [stderr]     |
[INFO] [stderr] 147 |                 Some(try!(load_files_from(&files0_from)))
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/options.rs:192:20
[INFO] [stderr]     |
[INFO] [stderr] 192 |         let file = try!(File::open(file));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/options.rs:208:15
[INFO] [stderr]     |
[INFO] [stderr] 208 |         match try!(b) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/options.rs:210:26
[INFO] [stderr]     |
[INFO] [stderr] 210 |                 vec.push(try!(String::from_utf8(vec_string.clone())));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/options.rs:219:18
[INFO] [stderr]     |
[INFO] [stderr] 219 |         vec.push(try!(String::from_utf8(vec_string)));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/counter/count.rs:31:61
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn bytes_from_file(file: &str) -> Result<Count, Box<Error>> {
[INFO] [stderr]    |                                                             ^^^^^ help: use `dyn`: `dyn Error`
[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/counter/count.rs:43:61
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn lines_from_file(file: &str) -> Result<Count, Box<Error>> {
[INFO] [stderr]    |                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/counter/count.rs:71:55
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn from_file(file: &str) -> Result<Count, Box<Error>> {
[INFO] [stderr]    |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/counter/count.rs:77:46
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn from_stdin() -> Result<Count, Box<Error>> {
[INFO] [stderr]    |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/counter/count.rs:88:52
[INFO] [stderr]    |
[INFO] [stderr] 88 |     fn from_iter<I>(bytes: I) -> Result<Count, Box<Error>>
[INFO] [stderr]    |                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 24 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:51:26
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn print_count(out: &mut Write, opts: &Options, file: &str, count_result: &Result<Count, Box<Error>>) {
[INFO] [stderr]    |                          ^^^^^ help: use `dyn`: `dyn Write`
[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/main.rs:51:94
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn print_count(out: &mut Write, opts: &Options, file: &str, count_result: &Result<Count, Box<Error>>) {
[INFO] [stderr]    |                                                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:64:66
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn process_file(opts: &Options, file: &str) -> Result<Count, 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/counter/count.rs:34:24
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let mut file = try!(File::open(file));
[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/counter/count.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         try!(file.read(&mut buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/count.rs:38:23
[INFO] [stderr]    |
[INFO] [stderr] 38 |         count.bytes = try!(file.metadata()).len();
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/count.rs:44:20
[INFO] [stderr]    |
[INFO] [stderr] 44 |         let file = try!(File::open(file));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/count.rs:47:23
[INFO] [stderr]    |
[INFO] [stderr] 47 |         count.bytes = try!(file.metadata()).len();
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/count.rs:52:16
[INFO] [stderr]    |
[INFO] [stderr] 52 |             if try!(file.read(&mut buf)) == 0 {
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/count.rs:72:20
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let file = try!(File::open(file));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/counter/count.rs:101:26
[INFO] [stderr]     |
[INFO] [stderr] 101 |             let c_byte = try!(c);
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/display.rs:50:30
[INFO] [stderr]    |
[INFO] [stderr] 50 |         if self.opts.lines { try!(write!(f, "{}{: >width$}", padding, self.count.newlines, width = width)); padding = " "; }
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/display.rs:51:30
[INFO] [stderr]    |
[INFO] [stderr] 51 |         if self.opts.words { try!(write!(f, "{}{: >width$}", padding, self.count.words, width = width)); padding = " "; }
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/display.rs:52:30
[INFO] [stderr]    |
[INFO] [stderr] 52 |         if self.opts.chars { try!(write!(f, "{}{: >width$}", padding, self.count.chars, width = width)); padding = " "; }
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/display.rs:53:30
[INFO] [stderr]    |
[INFO] [stderr] 53 |         if self.opts.bytes { try!(write!(f, "{}{: >width$}", padding, self.count.bytes, width = width)); padding = " "; }
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/display.rs:54:33
[INFO] [stderr]    |
[INFO] [stderr] 54 |         if self.opts.max_line { try!(write!(f, "{}{: >width$}", padding, self.count.max_line, width = width)); }
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/options.rs:133:23
[INFO] [stderr]     |
[INFO] [stderr] 133 |         let matches = try!(options.parse(args.skip(1)));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/options.rs:147:22
[INFO] [stderr]     |
[INFO] [stderr] 147 |                 Some(try!(load_files_from(&files0_from)))
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/options.rs:192:20
[INFO] [stderr]     |
[INFO] [stderr] 192 |         let file = try!(File::open(file));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/options.rs:208:15
[INFO] [stderr]     |
[INFO] [stderr] 208 |         match try!(b) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/options.rs:210:26
[INFO] [stderr]     |
[INFO] [stderr] 210 |                 vec.push(try!(String::from_utf8(vec_string.clone())));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/options.rs:219:18
[INFO] [stderr]     |
[INFO] [stderr] 219 |         vec.push(try!(String::from_utf8(vec_string)));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/counter/count.rs:31:61
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn bytes_from_file(file: &str) -> Result<Count, Box<Error>> {
[INFO] [stderr]    |                                                             ^^^^^ help: use `dyn`: `dyn Error`
[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/counter/count.rs:43:61
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn lines_from_file(file: &str) -> Result<Count, Box<Error>> {
[INFO] [stderr]    |                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/counter/count.rs:71:55
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn from_file(file: &str) -> Result<Count, Box<Error>> {
[INFO] [stderr]    |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/counter/count.rs:77:46
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn from_stdin() -> Result<Count, Box<Error>> {
[INFO] [stderr]    |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/counter/count.rs:88:52
[INFO] [stderr]    |
[INFO] [stderr] 88 |     fn from_iter<I>(bytes: I) -> Result<Count, Box<Error>>
[INFO] [stderr]    |                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 24 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `"docker" "inspect" "ad802563890e7dc07a8ca561672181b3f515fc183be47de259f0bd40b97eeaae"`
[INFO] running `"docker" "rm" "-f" "ad802563890e7dc07a8ca561672181b3f515fc183be47de259f0bd40b97eeaae"`
[INFO] [stdout] ad802563890e7dc07a8ca561672181b3f515fc183be47de259f0bd40b97eeaae
[INFO] running `"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=warn" "-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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cd31a1a1e0d3065b85638e655b1e052d78c73b83155138e8d8a8dd3a25a10af2
[INFO] running `"docker" "start" "-a" "cd31a1a1e0d3065b85638e655b1e052d78c73b83155138e8d8a8dd3a25a10af2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/count.rs:34:24
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let mut file = try!(File::open(file));
[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/counter/count.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         try!(file.read(&mut buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/count.rs:38:23
[INFO] [stderr]    |
[INFO] [stderr] 38 |         count.bytes = try!(file.metadata()).len();
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/count.rs:44:20
[INFO] [stderr]    |
[INFO] [stderr] 44 |         let file = try!(File::open(file));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/count.rs:47:23
[INFO] [stderr]    |
[INFO] [stderr] 47 |         count.bytes = try!(file.metadata()).len();
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/count.rs:52:16
[INFO] [stderr]    |
[INFO] [stderr] 52 |             if try!(file.read(&mut buf)) == 0 {
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/count.rs:72:20
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let file = try!(File::open(file));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/counter/count.rs:101:26
[INFO] [stderr]     |
[INFO] [stderr] 101 |             let c_byte = try!(c);
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/display.rs:50:30
[INFO] [stderr]    |
[INFO] [stderr] 50 |         if self.opts.lines { try!(write!(f, "{}{: >width$}", padding, self.count.newlines, width = width)); padding = " "; }
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/display.rs:51:30
[INFO] [stderr]    |
[INFO] [stderr] 51 |         if self.opts.words { try!(write!(f, "{}{: >width$}", padding, self.count.words, width = width)); padding = " "; }
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/display.rs:52:30
[INFO] [stderr]    |
[INFO] [stderr] 52 |         if self.opts.chars { try!(write!(f, "{}{: >width$}", padding, self.count.chars, width = width)); padding = " "; }
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/display.rs:53:30
[INFO] [stderr]    |
[INFO] [stderr] 53 |         if self.opts.bytes { try!(write!(f, "{}{: >width$}", padding, self.count.bytes, width = width)); padding = " "; }
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/display.rs:54:33
[INFO] [stderr]    |
[INFO] [stderr] 54 |         if self.opts.max_line { try!(write!(f, "{}{: >width$}", padding, self.count.max_line, width = width)); }
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/options.rs:133:23
[INFO] [stderr]     |
[INFO] [stderr] 133 |         let matches = try!(options.parse(args.skip(1)));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/options.rs:147:22
[INFO] [stderr]     |
[INFO] [stderr] 147 |                 Some(try!(load_files_from(&files0_from)))
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/options.rs:192:20
[INFO] [stderr]     |
[INFO] [stderr] 192 |         let file = try!(File::open(file));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/options.rs:208:15
[INFO] [stderr]     |
[INFO] [stderr] 208 |         match try!(b) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/options.rs:210:26
[INFO] [stderr]     |
[INFO] [stderr] 210 |                 vec.push(try!(String::from_utf8(vec_string.clone())));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/options.rs:219:18
[INFO] [stderr]     |
[INFO] [stderr] 219 |         vec.push(try!(String::from_utf8(vec_string)));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/counter/count.rs:31:61
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn bytes_from_file(file: &str) -> Result<Count, Box<Error>> {
[INFO] [stderr]    |                                                             ^^^^^ help: use `dyn`: `dyn Error`
[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/counter/count.rs:43:61
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn lines_from_file(file: &str) -> Result<Count, Box<Error>> {
[INFO] [stderr]    |                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/counter/count.rs:71:55
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn from_file(file: &str) -> Result<Count, Box<Error>> {
[INFO] [stderr]    |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/counter/count.rs:77:46
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn from_stdin() -> Result<Count, Box<Error>> {
[INFO] [stderr]    |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/counter/count.rs:88:52
[INFO] [stderr]    |
[INFO] [stderr] 88 |     fn from_iter<I>(bytes: I) -> Result<Count, Box<Error>>
[INFO] [stderr]    |                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 24 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/count.rs:34:24
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let mut file = try!(File::open(file));
[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/counter/count.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         try!(file.read(&mut buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/count.rs:38:23
[INFO] [stderr]    |
[INFO] [stderr] 38 |         count.bytes = try!(file.metadata()).len();
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/count.rs:44:20
[INFO] [stderr]    |
[INFO] [stderr] 44 |         let file = try!(File::open(file));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/count.rs:47:23
[INFO] [stderr]    |
[INFO] [stderr] 47 |         count.bytes = try!(file.metadata()).len();
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/count.rs:52:16
[INFO] [stderr]    |
[INFO] [stderr] 52 |             if try!(file.read(&mut buf)) == 0 {
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/count.rs:72:20
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let file = try!(File::open(file));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/counter/count.rs:101:26
[INFO] [stderr]     |
[INFO] [stderr] 101 |             let c_byte = try!(c);
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/display.rs:50:30
[INFO] [stderr]    |
[INFO] [stderr] 50 |         if self.opts.lines { try!(write!(f, "{}{: >width$}", padding, self.count.newlines, width = width)); padding = " "; }
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/display.rs:51:30
[INFO] [stderr]    |
[INFO] [stderr] 51 |         if self.opts.words { try!(write!(f, "{}{: >width$}", padding, self.count.words, width = width)); padding = " "; }
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/display.rs:52:30
[INFO] [stderr]    |
[INFO] [stderr] 52 |         if self.opts.chars { try!(write!(f, "{}{: >width$}", padding, self.count.chars, width = width)); padding = " "; }
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/display.rs:53:30
[INFO] [stderr]    |
[INFO] [stderr] 53 |         if self.opts.bytes { try!(write!(f, "{}{: >width$}", padding, self.count.bytes, width = width)); padding = " "; }
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/counter/display.rs:54:33
[INFO] [stderr]    |
[INFO] [stderr] 54 |         if self.opts.max_line { try!(write!(f, "{}{: >width$}", padding, self.count.max_line, width = width)); }
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/options.rs:133:23
[INFO] [stderr]     |
[INFO] [stderr] 133 |         let matches = try!(options.parse(args.skip(1)));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/options.rs:147:22
[INFO] [stderr]     |
[INFO] [stderr] 147 |                 Some(try!(load_files_from(&files0_from)))
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/options.rs:192:20
[INFO] [stderr]     |
[INFO] [stderr] 192 |         let file = try!(File::open(file));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/options.rs:208:15
[INFO] [stderr]     |
[INFO] [stderr] 208 |         match try!(b) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/options.rs:210:26
[INFO] [stderr]     |
[INFO] [stderr] 210 |                 vec.push(try!(String::from_utf8(vec_string.clone())));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/options.rs:219:18
[INFO] [stderr]     |
[INFO] [stderr] 219 |         vec.push(try!(String::from_utf8(vec_string)));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/counter/count.rs:31:61
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn bytes_from_file(file: &str) -> Result<Count, Box<Error>> {
[INFO] [stderr]    |                                                             ^^^^^ help: use `dyn`: `dyn Error`
[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/counter/count.rs:43:61
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn lines_from_file(file: &str) -> Result<Count, Box<Error>> {
[INFO] [stderr]    |                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/counter/count.rs:71:55
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn from_file(file: &str) -> Result<Count, Box<Error>> {
[INFO] [stderr]    |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/counter/count.rs:77:46
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn from_stdin() -> Result<Count, Box<Error>> {
[INFO] [stderr]    |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/counter/count.rs:88:52
[INFO] [stderr]    |
[INFO] [stderr] 88 |     fn from_iter<I>(bytes: I) -> Result<Count, Box<Error>>
[INFO] [stderr]    |                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 24 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:51:26
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn print_count(out: &mut Write, opts: &Options, file: &str, count_result: &Result<Count, Box<Error>>) {
[INFO] [stderr]    |                          ^^^^^ help: use `dyn`: `dyn Write`
[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/main.rs:51:94
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn print_count(out: &mut Write, opts: &Options, file: &str, count_result: &Result<Count, Box<Error>>) {
[INFO] [stderr]    |                                                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:64:66
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn process_file(opts: &Options, file: &str) -> Result<Count, Box<Error>> {
[INFO] [stderr]    |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_wc-e9ffe5fb72478c43
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test counter::count::tests::unicode ... ok
[INFO] [stdout] test counter::count::tests::one_word_no_newline ... ok
[INFO] [stdout] test counter::count::tests::line_length ... ok
[INFO] [stdout] test counter::count::tests::one_word ... ok
[INFO] [stdout] test counter::display::tests::everything ... ok
[INFO] [stdout] test counter::display::tests::everything_fields ... ok
[INFO] [stdout] test options::tests::defaults ... ok
[INFO] [stdout] test options::tests::files0_from_no_null_term ... ok
[INFO] [stdout] test options::tests::files0_from_null_term ... ok
[INFO] [stdout] test counter::display::tests::everything_fields_long ... ok
[INFO] [stdout] test options::tests::files0_from_empty ... ok
[INFO] [stdout] test options::tests::files0_from_with_files ... ok
[INFO] [stdout] test counter::count::tests::words_and_whitespace ... ok
[INFO] [stdout] test options::tests::args_bytes ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_wc-d8f5d130bacc461b
[INFO] [stdout] test options::tests::args_lines_and_bytes_short ... ok
[INFO] [stdout] test counter::display::tests::multiple_files ... ok
[INFO] [stdout] test options::tests::args_lines_long ... ok
[INFO] [stdout] test options::tests::files0_from_one_item ... ok
[INFO] [stdout] test options::tests::args_lines_short ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust-wc
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "cd31a1a1e0d3065b85638e655b1e052d78c73b83155138e8d8a8dd3a25a10af2"`
[INFO] running `"docker" "rm" "-f" "cd31a1a1e0d3065b85638e655b1e052d78c73b83155138e8d8a8dd3a25a10af2"`
[INFO] [stdout] cd31a1a1e0d3065b85638e655b1e052d78c73b83155138e8d8a8dd3a25a10af2