[INFO] cloning repository https://github.com/kbknapp/cargo-graph
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kbknapp/cargo-graph" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkbknapp%2Fcargo-graph", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkbknapp%2Fcargo-graph'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d895af1b7840c7ae8eddaf4e990bfa594c22ba01
[INFO] checking kbknapp/cargo-graph against master#00bfd6b2734d9c28a147bf237490995731781fdd for pr-117984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkbknapp%2Fcargo-graph" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kbknapp/cargo-graph on toolchain 00bfd6b2734d9c28a147bf237490995731781fdd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kbknapp/cargo-graph
[INFO] finished tweaking git repo https://github.com/kbknapp/cargo-graph
[INFO] tweaked toml for git repo https://github.com/kbknapp/cargo-graph written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kbknapp/cargo-graph already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clippy v0.0.88
[INFO] [stderr]   Downloaded clap v2.11.3
[INFO] [stderr]   Downloaded clippy_lints v0.0.88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b9511e464d81c75fa7808ef990a97b82d00c413122ccb61599b5a7599fe6abd
[INFO] running `Command { std: "docker" "start" "-a" "3b9511e464d81c75fa7808ef990a97b82d00c413122ccb61599b5a7599fe6abd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b9511e464d81c75fa7808ef990a97b82d00c413122ccb61599b5a7599fe6abd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b9511e464d81c75fa7808ef990a97b82d00c413122ccb61599b5a7599fe6abd", kill_on_drop: false }`
[INFO] [stdout] 3b9511e464d81c75fa7808ef990a97b82d00c413122ccb61599b5a7599fe6abd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1a9a2e0c1fcb943a1a75880b03e3a03455660773590302df4068b4d47da0be1
[INFO] running `Command { std: "docker" "start" "-a" "b1a9a2e0c1fcb943a1a75880b03e3a03455660773590302df4068b4d47da0be1", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.33
[INFO] [stderr]     Checking unicode-segmentation v0.1.3
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking strsim v0.5.2
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking term_size v0.2.3
[INFO] [stderr]     Checking clap v2.11.3
[INFO] [stderr]     Checking toml v0.2.1
[INFO] [stderr]     Checking cargo-graph v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `werr`
[INFO] [stdout]  --> src/macros.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 | macro_rules! werr(
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `verbose`
[INFO] [stdout]   --> src/macros.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 15 | macro_rules! verbose(
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `verboseln`
[INFO] [stdout]   --> src/macros.rs:24:14
[INFO] [stdout]    |
[INFO] [stdout] 24 | macro_rules! verboseln(
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `regex`
[INFO] [stdout]   --> src/macros.rs:33:14
[INFO] [stdout]    |
[INFO] [stdout] 33 | macro_rules! regex(
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `debug`
[INFO] [stdout]   --> src/macros.rs:56:14
[INFO] [stdout]    |
[INFO] [stdout] 56 | macro_rules! debug {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 222 |         try!(writeln!(output, "{}", "digraph dependencies {"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `werr`
[INFO] [stdout]  --> src/macros.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 | macro_rules! werr(
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:231:9
[INFO] [stdout]     |
[INFO] [stdout] 231 |         try!(writeln!(output, "{}", "}"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `verbose`
[INFO] [stdout]   --> src/macros.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 15 | macro_rules! verbose(
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:224:13
[INFO] [stdout]     |
[INFO] [stdout] 224 |             try!(write!(output, "\tN{}", i));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `verboseln`
[INFO] [stdout]   --> src/macros.rs:24:14
[INFO] [stdout]    |
[INFO] [stdout] 24 | macro_rules! verboseln(
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:225:13
[INFO] [stdout]     |
[INFO] [stdout] 225 |             try!(dep.label(output, self.cfg));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:228:13
[INFO] [stdout]     |
[INFO] [stdout] 228 |             try!(write!(output, "\t{}", ed));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `regex`
[INFO] [stdout]   --> src/macros.rs:33:14
[INFO] [stdout]    |
[INFO] [stdout] 33 | macro_rules! regex(
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:229:13
[INFO] [stdout]     |
[INFO] [stdout] 229 |             try!(ed.label(output, &self));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `debug`
[INFO] [stdout]   --> src/macros.rs:56:14
[INFO] [stdout]    |
[INFO] [stdout] 56 | macro_rules! debug {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/project.rs:24:52
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let (root_deps, root_name, root_version) = try!(self.parse_root_deps());
[INFO] [stdout]    |                                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/project.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut dg = try!(self.parse_lock_file());
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 222 |         try!(writeln!(output, "{}", "digraph dependencies {"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/project.rs:154:25
[INFO] [stdout]     |
[INFO] [stdout] 154 |         let lock_path = try!(util::find_manifest_file(self.cfg.lock_file));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:231:9
[INFO] [stdout]     |
[INFO] [stdout] 231 |         try!(writeln!(output, "{}", "}"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:224:13
[INFO] [stdout]     |
[INFO] [stdout] 224 |             try!(write!(output, "\tN{}", i));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/project.rs:155:25
[INFO] [stdout]     |
[INFO] [stdout] 155 |         let lock_toml = try!(util::toml_from_file(lock_path));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:225:13
[INFO] [stdout]     |
[INFO] [stdout] 225 |             try!(dep.label(output, self.cfg));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/project.rs:177:29
[INFO] [stdout]     |
[INFO] [stdout] 177 |         let manifest_path = try!(util::find_manifest_file(self.cfg.manifest_file));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:228:13
[INFO] [stdout]     |
[INFO] [stdout] 228 |             try!(write!(output, "\t{}", ed));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/project.rs:178:29
[INFO] [stdout]     |
[INFO] [stdout] 178 |         let manifest_toml = try!(util::toml_from_file(manifest_path));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/graph.rs:229:13
[INFO] [stdout]     |
[INFO] [stdout] 229 |             try!(ed.label(output, &self));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |         try!(self.0.write(f));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |         try!(self.0.write(f));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/project.rs:24:52
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let (root_deps, root_name, root_version) = try!(self.parse_root_deps());
[INFO] [stdout]    |                                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:142:23
[INFO] [stdout]     |
[INFO] [stdout] 142 |             dev_deps: try!(m.value_of("dev-deps").unwrap_or("false").parse_arg()),
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/project.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut dg = try!(self.parse_lock_file());
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:143:25
[INFO] [stdout]     |
[INFO] [stdout] 143 |             build_deps: try!(m.value_of("build-deps").unwrap_or("true").parse_arg()),
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/project.rs:154:25
[INFO] [stdout]     |
[INFO] [stdout] 154 |         let lock_path = try!(util::find_manifest_file(self.cfg.lock_file));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:144:28
[INFO] [stdout]     |
[INFO] [stdout] 144 |             optional_deps: try!(m.value_of("optional-deps").unwrap_or("true").parse_arg()),
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/project.rs:155:25
[INFO] [stdout]     |
[INFO] [stdout] 155 |         let lock_toml = try!(util::toml_from_file(lock_path));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     try!(f.read_to_string(&mut s));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut f = try!(File::open(p.as_ref()));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/project.rs:177:29
[INFO] [stdout]     |
[INFO] [stdout] 177 |         let manifest_path = try!(util::find_manifest_file(self.cfg.manifest_file));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:42:19
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let mut pwd = try!(env::current_dir());
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/project.rs:178:29
[INFO] [stdout]     |
[INFO] [stdout] 178 |         let manifest_toml = try!(util::toml_from_file(manifest_path));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:322:19
[INFO] [stdout]     |
[INFO] [stdout] 322 |     let project = try!(Project::with_config(&cfg));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |         try!(self.0.write(f));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:323:17
[INFO] [stdout]     |
[INFO] [stdout] 323 |     let graph = try!(project.graph());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |         try!(self.0.write(f));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:142:23
[INFO] [stdout]     |
[INFO] [stdout] 142 |             dev_deps: try!(m.value_of("dev-deps").unwrap_or("false").parse_arg()),
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:143:25
[INFO] [stdout]     |
[INFO] [stdout] 143 |             build_deps: try!(m.value_of("build-deps").unwrap_or("true").parse_arg()),
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/config.rs:144:28
[INFO] [stdout]     |
[INFO] [stdout] 144 |             optional_deps: try!(m.value_of("optional-deps").unwrap_or("true").parse_arg()),
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     try!(f.read_to_string(&mut s));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut f = try!(File::open(p.as_ref()));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util.rs:42:19
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let mut pwd = try!(env::current_dir());
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:322:19
[INFO] [stdout]     |
[INFO] [stdout] 322 |     let project = try!(Project::with_config(&cfg));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:323:17
[INFO] [stdout]     |
[INFO] [stdout] 323 |     let graph = try!(project.graph());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]  --> src/config.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ascii::AsciiExt;
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]  --> src/config.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ascii::AsciiExt;
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]   --> src/config.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | / arg_enum! {
[INFO] [stdout] 29 | |     #[derive(Debug, Copy, Clone)]
[INFO] [stdout] 30 | |     pub enum DotLineShape {
[INFO] [stdout] 31 | |         Solid,
[INFO] [stdout] ...  |
[INFO] [stdout] 34 | |     }
[INFO] [stdout] 35 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `arg_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]   --> src/config.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | / arg_enum! {
[INFO] [stdout] 29 | |     #[derive(Debug, Copy, Clone)]
[INFO] [stdout] 30 | |     pub enum DotLineShape {
[INFO] [stdout] 31 | |         Solid,
[INFO] [stdout] ...  |
[INFO] [stdout] 34 | |     }
[INFO] [stdout] 35 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `arg_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]   --> src/config.rs:47:1
[INFO] [stdout]    |
[INFO] [stdout] 47 | / arg_enum!{
[INFO] [stdout] 48 | |     #[derive(Debug, Copy, Clone)]
[INFO] [stdout] 49 | |     pub enum DotColor {
[INFO] [stdout] 50 | |         Blue,
[INFO] [stdout] ...  |
[INFO] [stdout] 58 | |     }
[INFO] [stdout] 59 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `arg_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]   --> src/config.rs:47:1
[INFO] [stdout]    |
[INFO] [stdout] 47 | / arg_enum!{
[INFO] [stdout] 48 | |     #[derive(Debug, Copy, Clone)]
[INFO] [stdout] 49 | |     pub enum DotColor {
[INFO] [stdout] 50 | |         Blue,
[INFO] [stdout] ...  |
[INFO] [stdout] 58 | |     }
[INFO] [stdout] 59 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `arg_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]   --> src/config.rs:76:1
[INFO] [stdout]    |
[INFO] [stdout] 76 | / arg_enum!{
[INFO] [stdout] 77 | |     #[derive(Debug, Copy, Clone)]
[INFO] [stdout] 78 | |     pub enum DotShape {
[INFO] [stdout] 79 | |         Box,
[INFO] [stdout] ...  |
[INFO] [stdout] 83 | |     }
[INFO] [stdout] 84 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `arg_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]   --> src/config.rs:76:1
[INFO] [stdout]    |
[INFO] [stdout] 76 | / arg_enum!{
[INFO] [stdout] 77 | |     #[derive(Debug, Copy, Clone)]
[INFO] [stdout] 78 | |     pub enum DotShape {
[INFO] [stdout] 79 | |         Box,
[INFO] [stdout] ...  |
[INFO] [stdout] 83 | |     }
[INFO] [stdout] 84 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `arg_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:87:32
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn cause(&self) -> Option<&dyn Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:87:32
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn cause(&self) -> Option<&dyn Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:31:42
[INFO] [stdout]    |
[INFO] [stdout] 31 |             CliErrorKind::Io(ref e) => e.description(),
[INFO] [stdout]    |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:31:42
[INFO] [stdout]    |
[INFO] [stdout] 31 |             CliErrorKind::Io(ref e) => e.description(),
[INFO] [stdout]    |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:98:66
[INFO] [stdout]    |
[INFO] [stdout] 98 |             error: format!("{} {}", Format::Error("error:"), ioe.description()),
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:98:66
[INFO] [stdout]    |
[INFO] [stdout] 98 |             error: format!("{} {}", Format::Error("error:"), ioe.description()),
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stdout]  --> src/config.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ascii::AsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stdout]  --> src/config.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ascii::AsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "b1a9a2e0c1fcb943a1a75880b03e3a03455660773590302df4068b4d47da0be1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1a9a2e0c1fcb943a1a75880b03e3a03455660773590302df4068b4d47da0be1", kill_on_drop: false }`
[INFO] [stdout] b1a9a2e0c1fcb943a1a75880b03e3a03455660773590302df4068b4d47da0be1