[INFO] fetching crate unicode_graph 0.9.11... [INFO] testing unicode_graph-0.9.11 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296 [INFO] extracting crate unicode_graph 0.9.11 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate unicode_graph 0.9.11 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate unicode_graph 0.9.11 [INFO] finished tweaking crates.io crate unicode_graph 0.9.11 [INFO] tweaked toml for crates.io crate unicode_graph 0.9.11 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 60565d1594ec4e31f44051348da1276bd1ee6b16f7463f8e8d4f98d079f60601 [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" "60565d1594ec4e31f44051348da1276bd1ee6b16f7463f8e8d4f98d079f60601", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "60565d1594ec4e31f44051348da1276bd1ee6b16f7463f8e8d4f98d079f60601", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "60565d1594ec4e31f44051348da1276bd1ee6b16f7463f8e8d4f98d079f60601", kill_on_drop: false }` [INFO] [stdout] 60565d1594ec4e31f44051348da1276bd1ee6b16f7463f8e8d4f98d079f60601 [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=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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 68babff897b6926f34d6b5bd8de4c676514ee1d6e2af54648cad08cdffc32bd2 [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" "68babff897b6926f34d6b5bd8de4c676514ee1d6e2af54648cad08cdffc32bd2", kill_on_drop: false }` [INFO] [stderr] Compiling unicode_graph v0.9.11 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/braille.rs:30:27 [INFO] [stdout] | [INFO] [stdout] 30 | let lines = max((try!(input.iter().max().ok_or(ParseGraphError)) + 3) / 4, 1); [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/braille.rs:53:27 [INFO] [stdout] | [INFO] [stdout] 53 | let blocks = max((try!(input.iter().max().ok_or(ParseGraphError)) + 1) / 2, 1); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:36:29 [INFO] [stdout] | [INFO] [stdout] 36 | string.push(try!(char::from_u32(*block).ok_or(ParseGraphError))) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/bin/graph.rs:76:29 [INFO] [stdout] | [INFO] [stdout] 76 | let input: Vec = try!(argv.into_iter().map(|i| i.trim().parse()).collect()); [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/bin/graph.rs:79:27 [INFO] [stdout] | [INFO] [stdout] 79 | "horizontal" => { try!(braille::horizontal_graph(reverse, input)) } [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/bin/graph.rs:80:27 [INFO] [stdout] | [INFO] [stdout] 80 | "vertical" => { try!(braille::vertical_graph(reverse, input)) } [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/bin/graph.rs:84:17 [INFO] [stdout] | [INFO] [stdout] 84 | for line in try!(graph::graph_to_strings(graph)) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.85s [INFO] running `Command { std: "docker" "inspect" "68babff897b6926f34d6b5bd8de4c676514ee1d6e2af54648cad08cdffc32bd2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68babff897b6926f34d6b5bd8de4c676514ee1d6e2af54648cad08cdffc32bd2", kill_on_drop: false }` [INFO] [stdout] 68babff897b6926f34d6b5bd8de4c676514ee1d6e2af54648cad08cdffc32bd2 [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=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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 66fce50ccce697eb3850e9b1d60e9e7f748d6eb7de93f5c7f33fa50b2963069c [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" "66fce50ccce697eb3850e9b1d60e9e7f748d6eb7de93f5c7f33fa50b2963069c", kill_on_drop: false }` [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/braille.rs:30:27 [INFO] [stdout] | [INFO] [stdout] 30 | let lines = max((try!(input.iter().max().ok_or(ParseGraphError)) + 3) / 4, 1); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling unicode_graph v0.9.11 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/braille.rs:53:27 [INFO] [stdout] | [INFO] [stdout] 53 | let blocks = max((try!(input.iter().max().ok_or(ParseGraphError)) + 1) / 2, 1); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:36:29 [INFO] [stdout] | [INFO] [stdout] 36 | string.push(try!(char::from_u32(*block).ok_or(ParseGraphError))) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/bin/graph.rs:76:29 [INFO] [stdout] | [INFO] [stdout] 76 | let input: Vec = try!(argv.into_iter().map(|i| i.trim().parse()).collect()); [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/bin/graph.rs:79:27 [INFO] [stdout] | [INFO] [stdout] 79 | "horizontal" => { try!(braille::horizontal_graph(reverse, input)) } [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/bin/graph.rs:80:27 [INFO] [stdout] | [INFO] [stdout] 80 | "vertical" => { try!(braille::vertical_graph(reverse, input)) } [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/bin/graph.rs:84:17 [INFO] [stdout] | [INFO] [stdout] 84 | for line in try!(graph::graph_to_strings(graph)) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/bin/graph.rs:76:29 [INFO] [stdout] | [INFO] [stdout] 76 | let input: Vec = try!(argv.into_iter().map(|i| i.trim().parse()).collect()); [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/bin/graph.rs:79:27 [INFO] [stdout] | [INFO] [stdout] 79 | "horizontal" => { try!(braille::horizontal_graph(reverse, input)) } [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/bin/graph.rs:80:27 [INFO] [stdout] | [INFO] [stdout] 80 | "vertical" => { try!(braille::vertical_graph(reverse, input)) } [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/bin/graph.rs:84:17 [INFO] [stdout] | [INFO] [stdout] 84 | for line in try!(graph::graph_to_strings(graph)) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/braille.rs:30:27 [INFO] [stdout] | [INFO] [stdout] 30 | let lines = max((try!(input.iter().max().ok_or(ParseGraphError)) + 3) / 4, 1); [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/braille.rs:53:27 [INFO] [stdout] | [INFO] [stdout] 53 | let blocks = max((try!(input.iter().max().ok_or(ParseGraphError)) + 1) / 2, 1); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:36:29 [INFO] [stdout] | [INFO] [stdout] 36 | string.push(try!(char::from_u32(*block).ok_or(ParseGraphError))) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.84s [INFO] running `Command { std: "docker" "inspect" "66fce50ccce697eb3850e9b1d60e9e7f748d6eb7de93f5c7f33fa50b2963069c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66fce50ccce697eb3850e9b1d60e9e7f748d6eb7de93f5c7f33fa50b2963069c", kill_on_drop: false }` [INFO] [stdout] 66fce50ccce697eb3850e9b1d60e9e7f748d6eb7de93f5c7f33fa50b2963069c [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=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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5ecb48131136c8a3cb482e57b2ba63f965c38a1e9584350b605c694d5e00f602 [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" "5ecb48131136c8a3cb482e57b2ba63f965c38a1e9584350b605c694d5e00f602", kill_on_drop: false }` [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/braille.rs:30:27 [INFO] [stderr] | [INFO] [stderr] 30 | let lines = max((try!(input.iter().max().ok_or(ParseGraphError)) + 3) / 4, 1); [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/braille.rs:53:27 [INFO] [stderr] | [INFO] [stderr] 53 | let blocks = max((try!(input.iter().max().ok_or(ParseGraphError)) + 1) / 2, 1); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/lib.rs:36:29 [INFO] [stderr] | [INFO] [stderr] 36 | string.push(try!(char::from_u32(*block).ok_or(ParseGraphError))) [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/braille.rs:30:27 [INFO] [stderr] | [INFO] [stderr] 30 | let lines = max((try!(input.iter().max().ok_or(ParseGraphError)) + 3) / 4, 1); [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/braille.rs:53:27 [INFO] [stderr] | [INFO] [stderr] 53 | let blocks = max((try!(input.iter().max().ok_or(ParseGraphError)) + 1) / 2, 1); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/lib.rs:36:29 [INFO] [stderr] | [INFO] [stderr] 36 | string.push(try!(char::from_u32(*block).ok_or(ParseGraphError))) [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/bin/graph.rs:76:29 [INFO] [stderr] | [INFO] [stderr] 76 | let input: Vec = try!(argv.into_iter().map(|i| i.trim().parse()).collect()); [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/bin/graph.rs:79:27 [INFO] [stderr] | [INFO] [stderr] 79 | "horizontal" => { try!(braille::horizontal_graph(reverse, input)) } [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/bin/graph.rs:80:27 [INFO] [stderr] | [INFO] [stderr] 80 | "vertical" => { try!(braille::vertical_graph(reverse, input)) } [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/bin/graph.rs:84:17 [INFO] [stderr] | [INFO] [stderr] 84 | for line in try!(graph::graph_to_strings(graph)) { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/bin/graph.rs:76:29 [INFO] [stderr] | [INFO] [stderr] 76 | let input: Vec = try!(argv.into_iter().map(|i| i.trim().parse()).collect()); [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/bin/graph.rs:79:27 [INFO] [stderr] | [INFO] [stderr] 79 | "horizontal" => { try!(braille::horizontal_graph(reverse, input)) } [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/bin/graph.rs:80:27 [INFO] [stderr] | [INFO] [stderr] 80 | "vertical" => { try!(braille::vertical_graph(reverse, input)) } [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/bin/graph.rs:84:17 [INFO] [stderr] | [INFO] [stderr] 84 | for line in try!(graph::graph_to_strings(graph)) { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/unicode_graph-b17fab228303d2cd [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/graph-d723eb64532c5a39 [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/braille_graph-51cef464442edf65 [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test vertical_graph_incrementing_one_to_eight ... ok [INFO] [stdout] test vertical_graph_full_eight_by_eight ... ok [INFO] [stdout] test vertical_graph_empty_eight_by_eight ... ok [INFO] [stdout] test vertical_graph_decrementing_eight_to_one ... ok [INFO] [stdout] test horizontal_graph_incrementing_one_to_eight ... ok [INFO] [stdout] test horizontal_graph_full_eight_by_eight ... ok [INFO] [stdout] test horizontal_graph_empty_eight_by_eight ... ok [INFO] [stdout] test horizontal_graph_decrementing_eight_to_one ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/graph-4ecc16743d609be3 [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test graph_to_strings_render_braille_incrementing_one_to_eight ... ok [INFO] [stdout] test graph_to_strings_render_braille_full_eight_by_eight ... ok [INFO] [stdout] test graph_to_strings_render_braille_decrementing_eight_to_one ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests unicode_graph [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" "5ecb48131136c8a3cb482e57b2ba63f965c38a1e9584350b605c694d5e00f602", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ecb48131136c8a3cb482e57b2ba63f965c38a1e9584350b605c694d5e00f602", kill_on_drop: false }` [INFO] [stdout] 5ecb48131136c8a3cb482e57b2ba63f965c38a1e9584350b605c694d5e00f602