[INFO] updating cached repository https://github.com/dmit/tinyrenderer-rs
[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] 4bef0ed37be6e7057c39bf3d4892bfc66c70270f
[INFO] testing dmit/tinyrenderer-rs against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmit%2Ftinyrenderer-rs" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dmit/tinyrenderer-rs 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/dmit/tinyrenderer-rs
[INFO] finished tweaking git repo https://github.com/dmit/tinyrenderer-rs
[INFO] tweaked toml for git repo https://github.com/dmit/tinyrenderer-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/dmit/tinyrenderer-rs 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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] [stdout] 5a006ba58194ea9b6f5dd9a775a57f54860917ffd8b3d8fec3a48577a0704535
[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" "5a006ba58194ea9b6f5dd9a775a57f54860917ffd8b3d8fec3a48577a0704535"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling num-traits v0.1.39
[INFO] [stderr]    Compiling libc v0.2.23
[INFO] [stderr]    Compiling scopeguard v0.3.2
[INFO] [stderr]    Compiling either v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.2.0
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling futures v0.1.14
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]    Compiling adler32 v1.0.0
[INFO] [stderr]    Compiling inflate v0.2.0
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling color_quant v1.0.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.7
[INFO] [stderr]    Compiling deflate v0.7.11
[INFO] [stderr]    Compiling coco v0.1.1
[INFO] [stderr]    Compiling gif v0.9.2
[INFO] [stderr]    Compiling num_cpus v1.5.1
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling num-integer v0.1.34
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling num-iter v0.1.33
[INFO] [stderr]    Compiling num-rational v0.1.38
[INFO] [stderr]    Compiling png v0.8.0
[INFO] [stderr]    Compiling rayon v0.8.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.13
[INFO] [stderr]    Compiling image v0.14.0
[INFO] [stderr]    Compiling tiny v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:12:20
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let file = try!(File::open(path));
[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/wavefront.rs:19:24
[INFO] [stderr]    |
[INFO] [stderr] 19 |             let line = try!(l);
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:21:28
[INFO] [stderr]    |
[INFO] [stderr] 21 |                 let vert = try!(Vert::parse(&line[2..]));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:26:28
[INFO] [stderr]    |
[INFO] [stderr] 26 |                 let face = try!(Face::parse(&line[2..]));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:49:21
[INFO] [stderr]    |
[INFO] [stderr] 49 |         let x_str = try!(coords.next().ok_or_else(|| {
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:52:17
[INFO] [stderr]    |
[INFO] [stderr] 52 |         let x = try!(x_str.parse::<f32>().map_err(|err| {
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:59:21
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let y_str = try!(coords.next().ok_or_else(|| {
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:62:17
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let y = try!(y_str.parse::<f32>().map_err(|err| {
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:69:21
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let z_str = try!(coords.next().ok_or_else(|| {
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:72:17
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let z = try!(z_str.parse::<f32>().map_err(|err| {
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:91:21
[INFO] [stderr]    |
[INFO] [stderr] 91 |         let x_str = try!(coords.next().ok_or_else(|| {
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:95:19
[INFO] [stderr]    |
[INFO] [stderr] 95 |         let x_v = try!(
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:96:13
[INFO] [stderr]    |
[INFO] [stderr] 96 |             try!(x_group.next().ok_or_else(|| {
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wavefront.rs:107:21
[INFO] [stderr]     |
[INFO] [stderr] 107 |         let y_str = try!(coords.next().ok_or_else(|| {
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wavefront.rs:111:19
[INFO] [stderr]     |
[INFO] [stderr] 111 |         let y_v = try!(
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wavefront.rs:112:13
[INFO] [stderr]     |
[INFO] [stderr] 112 |             try!(y_group.next().ok_or_else(|| {
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wavefront.rs:123:21
[INFO] [stderr]     |
[INFO] [stderr] 123 |         let z_str = try!(coords.next().ok_or_else(|| {
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wavefront.rs:127:19
[INFO] [stderr]     |
[INFO] [stderr] 127 |         let z_v = try!(
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wavefront.rs:128:13
[INFO] [stderr]     |
[INFO] [stderr] 128 |             try!(z_group.next().ok_or_else(|| {
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/wavefront.rs:55:57
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 format!("invalid format for x: {}", err.description()),
[INFO] [stderr]    |                                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/wavefront.rs:65:57
[INFO] [stderr]    |
[INFO] [stderr] 65 |                 format!("invalid format for y: {}", err.description()),
[INFO] [stderr]    |                                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/wavefront.rs:75:57
[INFO] [stderr]    |
[INFO] [stderr] 75 |                 format!("invalid format for z: {}", err.description()),
[INFO] [stderr]    |                                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/wavefront.rs:102:75
[INFO] [stderr]     |
[INFO] [stderr] 102 |                         format!("invalid format for x vertex id: {}", err.description()),
[INFO] [stderr]     |                                                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/wavefront.rs:118:75
[INFO] [stderr]     |
[INFO] [stderr] 118 |                         format!("invalid format for y vertex id: {}", err.description()),
[INFO] [stderr]     |                                                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/wavefront.rs:134:75
[INFO] [stderr]     |
[INFO] [stderr] 134 |                         format!("invalid format for z vertex id: {}", err.description()),
[INFO] [stderr]     |                                                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.66s
[INFO] running `"docker" "inspect" "5a006ba58194ea9b6f5dd9a775a57f54860917ffd8b3d8fec3a48577a0704535"`
[INFO] running `"docker" "rm" "-f" "5a006ba58194ea9b6f5dd9a775a57f54860917ffd8b3d8fec3a48577a0704535"`
[INFO] [stdout] 5a006ba58194ea9b6f5dd9a775a57f54860917ffd8b3d8fec3a48577a0704535
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3731efccee69592807281dc45eb3fb233e1072dc878d4b5b66fac76b2abb99ad
[INFO] running `"docker" "start" "-a" "3731efccee69592807281dc45eb3fb233e1072dc878d4b5b66fac76b2abb99ad"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling tiny v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:12:20
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let file = try!(File::open(path));
[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/wavefront.rs:19:24
[INFO] [stderr]    |
[INFO] [stderr] 19 |             let line = try!(l);
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:21:28
[INFO] [stderr]    |
[INFO] [stderr] 21 |                 let vert = try!(Vert::parse(&line[2..]));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:26:28
[INFO] [stderr]    |
[INFO] [stderr] 26 |                 let face = try!(Face::parse(&line[2..]));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:49:21
[INFO] [stderr]    |
[INFO] [stderr] 49 |         let x_str = try!(coords.next().ok_or_else(|| {
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:52:17
[INFO] [stderr]    |
[INFO] [stderr] 52 |         let x = try!(x_str.parse::<f32>().map_err(|err| {
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:59:21
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let y_str = try!(coords.next().ok_or_else(|| {
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:62:17
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let y = try!(y_str.parse::<f32>().map_err(|err| {
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:69:21
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let z_str = try!(coords.next().ok_or_else(|| {
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:72:17
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let z = try!(z_str.parse::<f32>().map_err(|err| {
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:91:21
[INFO] [stderr]    |
[INFO] [stderr] 91 |         let x_str = try!(coords.next().ok_or_else(|| {
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:95:19
[INFO] [stderr]    |
[INFO] [stderr] 95 |         let x_v = try!(
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:96:13
[INFO] [stderr]    |
[INFO] [stderr] 96 |             try!(x_group.next().ok_or_else(|| {
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wavefront.rs:107:21
[INFO] [stderr]     |
[INFO] [stderr] 107 |         let y_str = try!(coords.next().ok_or_else(|| {
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wavefront.rs:111:19
[INFO] [stderr]     |
[INFO] [stderr] 111 |         let y_v = try!(
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wavefront.rs:112:13
[INFO] [stderr]     |
[INFO] [stderr] 112 |             try!(y_group.next().ok_or_else(|| {
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wavefront.rs:123:21
[INFO] [stderr]     |
[INFO] [stderr] 123 |         let z_str = try!(coords.next().ok_or_else(|| {
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wavefront.rs:127:19
[INFO] [stderr]     |
[INFO] [stderr] 127 |         let z_v = try!(
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wavefront.rs:128:13
[INFO] [stderr]     |
[INFO] [stderr] 128 |             try!(z_group.next().ok_or_else(|| {
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/wavefront.rs:55:57
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 format!("invalid format for x: {}", err.description()),
[INFO] [stderr]    |                                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/wavefront.rs:65:57
[INFO] [stderr]    |
[INFO] [stderr] 65 |                 format!("invalid format for y: {}", err.description()),
[INFO] [stderr]    |                                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/wavefront.rs:75:57
[INFO] [stderr]    |
[INFO] [stderr] 75 |                 format!("invalid format for z: {}", err.description()),
[INFO] [stderr]    |                                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/wavefront.rs:102:75
[INFO] [stderr]     |
[INFO] [stderr] 102 |                         format!("invalid format for x vertex id: {}", err.description()),
[INFO] [stderr]     |                                                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/wavefront.rs:118:75
[INFO] [stderr]     |
[INFO] [stderr] 118 |                         format!("invalid format for y vertex id: {}", err.description()),
[INFO] [stderr]     |                                                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/wavefront.rs:134:75
[INFO] [stderr]     |
[INFO] [stderr] 134 |                         format!("invalid format for z vertex id: {}", err.description()),
[INFO] [stderr]     |                                                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:12:20
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let file = try!(File::open(path));
[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/wavefront.rs:19:24
[INFO] [stderr]    |
[INFO] [stderr] 19 |             let line = try!(l);
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:21:28
[INFO] [stderr]    |
[INFO] [stderr] 21 |                 let vert = try!(Vert::parse(&line[2..]));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:26:28
[INFO] [stderr]    |
[INFO] [stderr] 26 |                 let face = try!(Face::parse(&line[2..]));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:49:21
[INFO] [stderr]    |
[INFO] [stderr] 49 |         let x_str = try!(coords.next().ok_or_else(|| {
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:52:17
[INFO] [stderr]    |
[INFO] [stderr] 52 |         let x = try!(x_str.parse::<f32>().map_err(|err| {
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:59:21
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let y_str = try!(coords.next().ok_or_else(|| {
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:62:17
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let y = try!(y_str.parse::<f32>().map_err(|err| {
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:69:21
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let z_str = try!(coords.next().ok_or_else(|| {
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:72:17
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let z = try!(z_str.parse::<f32>().map_err(|err| {
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:91:21
[INFO] [stderr]    |
[INFO] [stderr] 91 |         let x_str = try!(coords.next().ok_or_else(|| {
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:95:19
[INFO] [stderr]    |
[INFO] [stderr] 95 |         let x_v = try!(
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:96:13
[INFO] [stderr]    |
[INFO] [stderr] 96 |             try!(x_group.next().ok_or_else(|| {
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wavefront.rs:107:21
[INFO] [stderr]     |
[INFO] [stderr] 107 |         let y_str = try!(coords.next().ok_or_else(|| {
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wavefront.rs:111:19
[INFO] [stderr]     |
[INFO] [stderr] 111 |         let y_v = try!(
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wavefront.rs:112:13
[INFO] [stderr]     |
[INFO] [stderr] 112 |             try!(y_group.next().ok_or_else(|| {
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wavefront.rs:123:21
[INFO] [stderr]     |
[INFO] [stderr] 123 |         let z_str = try!(coords.next().ok_or_else(|| {
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wavefront.rs:127:19
[INFO] [stderr]     |
[INFO] [stderr] 127 |         let z_v = try!(
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wavefront.rs:128:13
[INFO] [stderr]     |
[INFO] [stderr] 128 |             try!(z_group.next().ok_or_else(|| {
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/wavefront.rs:55:57
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 format!("invalid format for x: {}", err.description()),
[INFO] [stderr]    |                                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/wavefront.rs:65:57
[INFO] [stderr]    |
[INFO] [stderr] 65 |                 format!("invalid format for y: {}", err.description()),
[INFO] [stderr]    |                                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/wavefront.rs:75:57
[INFO] [stderr]    |
[INFO] [stderr] 75 |                 format!("invalid format for z: {}", err.description()),
[INFO] [stderr]    |                                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/wavefront.rs:102:75
[INFO] [stderr]     |
[INFO] [stderr] 102 |                         format!("invalid format for x vertex id: {}", err.description()),
[INFO] [stderr]     |                                                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/wavefront.rs:118:75
[INFO] [stderr]     |
[INFO] [stderr] 118 |                         format!("invalid format for y vertex id: {}", err.description()),
[INFO] [stderr]     |                                                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/wavefront.rs:134:75
[INFO] [stderr]     |
[INFO] [stderr] 134 |                         format!("invalid format for z vertex id: {}", err.description()),
[INFO] [stderr]     |                                                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "3731efccee69592807281dc45eb3fb233e1072dc878d4b5b66fac76b2abb99ad"`
[INFO] running `"docker" "rm" "-f" "3731efccee69592807281dc45eb3fb233e1072dc878d4b5b66fac76b2abb99ad"`
[INFO] [stdout] 3731efccee69592807281dc45eb3fb233e1072dc878d4b5b66fac76b2abb99ad
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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] [stdout] e15f38ce2f5c65d39788a43cdc0ebd4f9db5a3d96b0bfa956c61e4993c9e630c
[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" "e15f38ce2f5c65d39788a43cdc0ebd4f9db5a3d96b0bfa956c61e4993c9e630c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:12:20
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let file = try!(File::open(path));
[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/wavefront.rs:19:24
[INFO] [stderr]    |
[INFO] [stderr] 19 |             let line = try!(l);
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:21:28
[INFO] [stderr]    |
[INFO] [stderr] 21 |                 let vert = try!(Vert::parse(&line[2..]));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:26:28
[INFO] [stderr]    |
[INFO] [stderr] 26 |                 let face = try!(Face::parse(&line[2..]));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:49:21
[INFO] [stderr]    |
[INFO] [stderr] 49 |         let x_str = try!(coords.next().ok_or_else(|| {
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:52:17
[INFO] [stderr]    |
[INFO] [stderr] 52 |         let x = try!(x_str.parse::<f32>().map_err(|err| {
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:59:21
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let y_str = try!(coords.next().ok_or_else(|| {
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:62:17
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let y = try!(y_str.parse::<f32>().map_err(|err| {
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:69:21
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let z_str = try!(coords.next().ok_or_else(|| {
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:72:17
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let z = try!(z_str.parse::<f32>().map_err(|err| {
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:91:21
[INFO] [stderr]    |
[INFO] [stderr] 91 |         let x_str = try!(coords.next().ok_or_else(|| {
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:95:19
[INFO] [stderr]    |
[INFO] [stderr] 95 |         let x_v = try!(
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:96:13
[INFO] [stderr]    |
[INFO] [stderr] 96 |             try!(x_group.next().ok_or_else(|| {
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wavefront.rs:107:21
[INFO] [stderr]     |
[INFO] [stderr] 107 |         let y_str = try!(coords.next().ok_or_else(|| {
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wavefront.rs:111:19
[INFO] [stderr]     |
[INFO] [stderr] 111 |         let y_v = try!(
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wavefront.rs:112:13
[INFO] [stderr]     |
[INFO] [stderr] 112 |             try!(y_group.next().ok_or_else(|| {
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wavefront.rs:123:21
[INFO] [stderr]     |
[INFO] [stderr] 123 |         let z_str = try!(coords.next().ok_or_else(|| {
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wavefront.rs:127:19
[INFO] [stderr]     |
[INFO] [stderr] 127 |         let z_v = try!(
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wavefront.rs:128:13
[INFO] [stderr]     |
[INFO] [stderr] 128 |             try!(z_group.next().ok_or_else(|| {
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/wavefront.rs:55:57
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 format!("invalid format for x: {}", err.description()),
[INFO] [stderr]    |                                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/wavefront.rs:65:57
[INFO] [stderr]    |
[INFO] [stderr] 65 |                 format!("invalid format for y: {}", err.description()),
[INFO] [stderr]    |                                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/wavefront.rs:75:57
[INFO] [stderr]    |
[INFO] [stderr] 75 |                 format!("invalid format for z: {}", err.description()),
[INFO] [stderr]    |                                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/wavefront.rs:102:75
[INFO] [stderr]     |
[INFO] [stderr] 102 |                         format!("invalid format for x vertex id: {}", err.description()),
[INFO] [stderr]     |                                                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/wavefront.rs:118:75
[INFO] [stderr]     |
[INFO] [stderr] 118 |                         format!("invalid format for y vertex id: {}", err.description()),
[INFO] [stderr]     |                                                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/wavefront.rs:134:75
[INFO] [stderr]     |
[INFO] [stderr] 134 |                         format!("invalid format for z vertex id: {}", err.description()),
[INFO] [stderr]     |                                                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:12:20
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let file = try!(File::open(path));
[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/wavefront.rs:19:24
[INFO] [stderr]    |
[INFO] [stderr] 19 |             let line = try!(l);
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:21:28
[INFO] [stderr]    |
[INFO] [stderr] 21 |                 let vert = try!(Vert::parse(&line[2..]));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:26:28
[INFO] [stderr]    |
[INFO] [stderr] 26 |                 let face = try!(Face::parse(&line[2..]));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:49:21
[INFO] [stderr]    |
[INFO] [stderr] 49 |         let x_str = try!(coords.next().ok_or_else(|| {
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:52:17
[INFO] [stderr]    |
[INFO] [stderr] 52 |         let x = try!(x_str.parse::<f32>().map_err(|err| {
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:59:21
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let y_str = try!(coords.next().ok_or_else(|| {
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:62:17
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let y = try!(y_str.parse::<f32>().map_err(|err| {
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:69:21
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let z_str = try!(coords.next().ok_or_else(|| {
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:72:17
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let z = try!(z_str.parse::<f32>().map_err(|err| {
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:91:21
[INFO] [stderr]    |
[INFO] [stderr] 91 |         let x_str = try!(coords.next().ok_or_else(|| {
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:95:19
[INFO] [stderr]    |
[INFO] [stderr] 95 |         let x_v = try!(
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/wavefront.rs:96:13
[INFO] [stderr]    |
[INFO] [stderr] 96 |             try!(x_group.next().ok_or_else(|| {
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wavefront.rs:107:21
[INFO] [stderr]     |
[INFO] [stderr] 107 |         let y_str = try!(coords.next().ok_or_else(|| {
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wavefront.rs:111:19
[INFO] [stderr]     |
[INFO] [stderr] 111 |         let y_v = try!(
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wavefront.rs:112:13
[INFO] [stderr]     |
[INFO] [stderr] 112 |             try!(y_group.next().ok_or_else(|| {
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wavefront.rs:123:21
[INFO] [stderr]     |
[INFO] [stderr] 123 |         let z_str = try!(coords.next().ok_or_else(|| {
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wavefront.rs:127:19
[INFO] [stderr]     |
[INFO] [stderr] 127 |         let z_v = try!(
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/wavefront.rs:128:13
[INFO] [stderr]     |
[INFO] [stderr] 128 |             try!(z_group.next().ok_or_else(|| {
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/wavefront.rs:55:57
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 format!("invalid format for x: {}", err.description()),
[INFO] [stderr]    |                                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/wavefront.rs:65:57
[INFO] [stderr]    |
[INFO] [stderr] 65 |                 format!("invalid format for y: {}", err.description()),
[INFO] [stderr]    |                                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/wavefront.rs:75:57
[INFO] [stderr]    |
[INFO] [stderr] 75 |                 format!("invalid format for z: {}", err.description()),
[INFO] [stderr]    |                                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/wavefront.rs:102:75
[INFO] [stderr]     |
[INFO] [stderr] 102 |                         format!("invalid format for x vertex id: {}", err.description()),
[INFO] [stderr]     |                                                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/wavefront.rs:118:75
[INFO] [stderr]     |
[INFO] [stderr] 118 |                         format!("invalid format for y vertex id: {}", err.description()),
[INFO] [stderr]     |                                                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/wavefront.rs:134:75
[INFO] [stderr]     |
[INFO] [stderr] 134 |                         format!("invalid format for z vertex id: {}", err.description()),
[INFO] [stderr]     |                                                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tiny-399d94d87dc017cb
[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] [stderr]      Running /opt/rustwide/target/debug/deps/lesson01_obj_render-745f1893e6ce19d6
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests tiny
[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" "e15f38ce2f5c65d39788a43cdc0ebd4f9db5a3d96b0bfa956c61e4993c9e630c"`
[INFO] running `"docker" "rm" "-f" "e15f38ce2f5c65d39788a43cdc0ebd4f9db5a3d96b0bfa956c61e4993c9e630c"`
[INFO] [stdout] e15f38ce2f5c65d39788a43cdc0ebd4f9db5a3d96b0bfa956c61e4993c9e630c