[INFO] cloning repository https://github.com/dat2/yate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dat2/yate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdat2%2Fyate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdat2%2Fyate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a124fd6b9d4bd4eae9010903529c8717be97a7d5
[INFO] testing dat2/yate against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdat2%2Fyate" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dat2/yate on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dat2/yate
[INFO] finished tweaking git repo https://github.com/dat2/yate
[INFO] tweaked toml for git repo https://github.com/dat2/yate written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/dat2/yate already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 01eace9848ac81092c456daeb9f56f507b1b5a10edbc3d1807845641cab4606b
[INFO] running `Command { std: "docker" "start" "-a" "01eace9848ac81092c456daeb9f56f507b1b5a10edbc3d1807845641cab4606b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01eace9848ac81092c456daeb9f56f507b1b5a10edbc3d1807845641cab4606b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01eace9848ac81092c456daeb9f56f507b1b5a10edbc3d1807845641cab4606b", kill_on_drop: false }`
[INFO] [stdout] 01eace9848ac81092c456daeb9f56f507b1b5a10edbc3d1807845641cab4606b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6fcf24133d79ca520e04ff9c3f9b7183b4cb5fdc8b7299ceed6e2181f047922
[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" "f6fcf24133d79ca520e04ff9c3f9b7183b4cb5fdc8b7299ceed6e2181f047922", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.17
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling slab v0.1.3
[INFO] [stderr]    Compiling bytes v0.3.0
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling unicode-width v0.1.3
[INFO] [stderr]    Compiling strsim v0.5.1
[INFO] [stderr]    Compiling unicode-segmentation v0.1.2
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling vec_map v0.6.0
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling yaml-rust v0.3.4
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]    Compiling walkdir v0.1.8
[INFO] [stderr]    Compiling net2 v0.2.26
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling term_size v0.2.1
[INFO] [stderr]    Compiling inotify v0.2.3
[INFO] [stderr]    Compiling filetime v0.1.10
[INFO] [stderr]    Compiling termion v1.1.1
[INFO] [stderr]    Compiling miow v0.1.3
[INFO] [stderr]    Compiling clap v2.15.0
[INFO] [stderr]    Compiling mio v0.5.1
[INFO] [stderr]    Compiling notify v2.6.3
[INFO] [stderr]    Compiling yate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/file_buffer.rs:24:26
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let mut handle = try!(File::open(&filename));
[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/file_buffer.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         try!(handle.read_to_string(&mut contents));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/file_buffer.rs:38:47
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let mut watcher: RecommendedWatcher = try!(Watcher::new(tx));
[INFO] [stdout]    |                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/file_buffer.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         try!(watcher.watch(&self.filename));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/rope.rs:53:25
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn split(&self, i: usize) -> (RopeNode, RopeNode) {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/rope.rs:96:26
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn report(&self, i: usize, len: usize) -> RopeNode {
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]   --> src/rope.rs:96:36
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn report(&self, i: usize, len: usize) -> RopeNode {
[INFO] [stdout]    |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.14s
[INFO] running `Command { std: "docker" "inspect" "f6fcf24133d79ca520e04ff9c3f9b7183b4cb5fdc8b7299ceed6e2181f047922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6fcf24133d79ca520e04ff9c3f9b7183b4cb5fdc8b7299ceed6e2181f047922", kill_on_drop: false }`
[INFO] [stdout] f6fcf24133d79ca520e04ff9c3f9b7183b4cb5fdc8b7299ceed6e2181f047922
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 58a6e246fdc62fd62a009974e7f2154b2951960f441ce00bb94b1809418e47e4
[INFO] running `Command { std: "docker" "start" "-a" "58a6e246fdc62fd62a009974e7f2154b2951960f441ce00bb94b1809418e47e4", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/file_buffer.rs:24:26
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let mut handle = try!(File::open(&filename));
[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/file_buffer.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         try!(handle.read_to_string(&mut contents));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/file_buffer.rs:38:47
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let mut watcher: RecommendedWatcher = try!(Watcher::new(tx));
[INFO] [stdout]    |                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/file_buffer.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         try!(watcher.watch(&self.filename));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/rope.rs:53:25
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn split(&self, i: usize) -> (RopeNode, RopeNode) {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/rope.rs:96:26
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn report(&self, i: usize, len: usize) -> RopeNode {
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]   --> src/rope.rs:96:36
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn report(&self, i: usize, len: usize) -> RopeNode {
[INFO] [stdout]    |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling yate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/file_buffer.rs:24:26
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let mut handle = try!(File::open(&filename));
[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/file_buffer.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         try!(handle.read_to_string(&mut contents));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/file_buffer.rs:38:47
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let mut watcher: RecommendedWatcher = try!(Watcher::new(tx));
[INFO] [stdout]    |                                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/file_buffer.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         try!(watcher.watch(&self.filename));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/rope.rs:53:25
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn split(&self, i: usize) -> (RopeNode, RopeNode) {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/rope.rs:96:26
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn report(&self, i: usize, len: usize) -> RopeNode {
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]   --> src/rope.rs:96:36
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn report(&self, i: usize, len: usize) -> RopeNode {
[INFO] [stdout]    |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "58a6e246fdc62fd62a009974e7f2154b2951960f441ce00bb94b1809418e47e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58a6e246fdc62fd62a009974e7f2154b2951960f441ce00bb94b1809418e47e4", kill_on_drop: false }`
[INFO] [stdout] 58a6e246fdc62fd62a009974e7f2154b2951960f441ce00bb94b1809418e47e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 277fa06a10d424ae3837c4e37bc9cb6dba1284d3cea91aa3b7bc71465566c5d6
[INFO] running `Command { std: "docker" "start" "-a" "277fa06a10d424ae3837c4e37bc9cb6dba1284d3cea91aa3b7bc71465566c5d6", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/file_buffer.rs:24:26
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let mut handle = try!(File::open(&filename));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/file_buffer.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         try!(handle.read_to_string(&mut contents));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/file_buffer.rs:38:47
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let mut watcher: RecommendedWatcher = try!(Watcher::new(tx));
[INFO] [stderr]    |                                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/file_buffer.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         try!(watcher.watch(&self.filename));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/rope.rs:53:25
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn split(&self, i: usize) -> (RopeNode, RopeNode) {
[INFO] [stderr]    |                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stdout] test rope::test_concat ... ok
[INFO] [stderr]   --> src/rope.rs:96:26
[INFO] [stdout] test rope::test_index ... ok
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 96 |     pub fn report(&self, i: usize, len: usize) -> RopeNode {
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]    |                          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]   --> src/rope.rs:96:36
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn report(&self, i: usize, len: usize) -> RopeNode {
[INFO] [stderr]    |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/file_buffer.rs:24:26
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let mut handle = try!(File::open(&filename));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/file_buffer.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         try!(handle.read_to_string(&mut contents));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/file_buffer.rs:38:47
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let mut watcher: RecommendedWatcher = try!(Watcher::new(tx));
[INFO] [stderr]    |                                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/file_buffer.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         try!(watcher.watch(&self.filename));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/rope.rs:53:25
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn split(&self, i: usize) -> (RopeNode, RopeNode) {
[INFO] [stderr]    |                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/rope.rs:96:26
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn report(&self, i: usize, len: usize) -> RopeNode {
[INFO] [stderr]    |                          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]   --> src/rope.rs:96:36
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn report(&self, i: usize, len: usize) -> RopeNode {
[INFO] [stderr]    |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/yate-b27993ec1ed15cb0
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/yate-4c07c745881ca5b3
[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] [stderr]    Doc-tests yate
[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 `Command { std: "docker" "inspect" "277fa06a10d424ae3837c4e37bc9cb6dba1284d3cea91aa3b7bc71465566c5d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "277fa06a10d424ae3837c4e37bc9cb6dba1284d3cea91aa3b7bc71465566c5d6", kill_on_drop: false }`
[INFO] [stdout] 277fa06a10d424ae3837c4e37bc9cb6dba1284d3cea91aa3b7bc71465566c5d6