[INFO] cloning repository https://github.com/jamesonley/LearningRust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jamesonley/LearningRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamesonley%2FLearningRust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamesonley%2FLearningRust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7bb0dc17930dda4173cd35166854f6c8a4228ab8 [INFO] checking jamesonley/LearningRust against try#028201683a76a5cd349729c6819c46607119c4e8 for pr-144157 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamesonley%2FLearningRust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] [stderr] error: unable to write file Chapter-8/target/debug/incremental/Chapter_8-dxjod310ewiy/s-gwxxmvu94u-1acgfu4-1crk4vnl1utiz9ljbwuy4qhjj/2e3lf0qt8qkyo183.o [INFO] [stderr] error: unable to write file Chapter-8/target/debug/incremental/Chapter_8-dxjod310ewiy/s-gwxxmvu94u-1acgfu4-1crk4vnl1utiz9ljbwuy4qhjj/2gc919zb2bmza9ro.o [INFO] [stderr] error: unable to write file Chapter-8/target/debug/incremental/Chapter_8-dxjod310ewiy/s-gwxxmvu94u-1acgfu4-1crk4vnl1utiz9ljbwuy4qhjj/2j7cqmtwnkhp9zah.o [INFO] [stderr] error: unable to write file Chapter-8/target/debug/incremental/Chapter_8-dxjod310ewiy/s-gwxxmvu94u-1acgfu4-1crk4vnl1utiz9ljbwuy4qhjj/2lemycizgbi8lli.o [INFO] [stderr] error: unable to write file Chapter-8/target/debug/incremental/Chapter_8-dxjod310ewiy/s-gwxxmvu94u-1acgfu4-1crk4vnl1utiz9ljbwuy4qhjj/2zzamr5d7wqvsbqo.o [INFO] [stderr] error: unable to write file Chapter-8/target/debug/incremental/Chapter_8-dxjod310ewiy/s-gwxxmvu94u-1acgfu4-1crk4vnl1utiz9ljbwuy4qhjj/32hem25wswg8k19v.o [INFO] [stderr] error: unable to write file Chapter-8/target/debug/incremental/Chapter_8-dxjod310ewiy/s-gwxxmvu94u-1acgfu4-1crk4vnl1utiz9ljbwuy4qhjj/36osbz2t14m088pa.o [INFO] [stderr] error: unable to write file Chapter-8/target/debug/incremental/Chapter_8-dxjod310ewiy/s-gwxxmvu94u-1acgfu4-1crk4vnl1utiz9ljbwuy4qhjj/3h34iuklew5gisll.o [INFO] [stderr] error: unable to write file Chapter-8/target/debug/incremental/Chapter_8-dxjod310ewiy/s-gwxxmvu94u-1acgfu4-1crk4vnl1utiz9ljbwuy4qhjj/3mp7rgit03cf1dda.o [INFO] [stderr] error: unable to write file Chapter-8/target/debug/incremental/Chapter_8-dxjod310ewiy/s-gwxxmvu94u-1acgfu4-1crk4vnl1utiz9ljbwuy4qhjj/45fghudf7h7x046s.o [INFO] [stderr] error: unable to write file Chapter-8/target/debug/incremental/Chapter_8-dxjod310ewiy/s-gwxxmvu94u-1acgfu4-1crk4vnl1utiz9ljbwuy4qhjj/4j10wg2qwmyv8e2i.o [INFO] [stderr] error: unable to write file Chapter-8/target/debug/incremental/Chapter_8-dxjod310ewiy/s-gwxxmvu94u-1acgfu4-1crk4vnl1utiz9ljbwuy4qhjj/4y5necyr3lhwokrn.o [INFO] [stderr] error: unable to write file Chapter-8/target/debug/incremental/Chapter_8-dxjod310ewiy/s-gwxxmvu94u-1acgfu4-1crk4vnl1utiz9ljbwuy4qhjj/4z8n6fkothif76ab.o [INFO] [stderr] error: unable to write file Chapter-8/target/debug/incremental/Chapter_8-dxjod310ewiy/s-gwxxmvu94u-1acgfu4-1crk4vnl1utiz9ljbwuy4qhjj/50ojil5yzutvx3n9.o [INFO] [stderr] error: unable to write file Chapter-8/target/debug/incremental/Chapter_8-dxjod310ewiy/s-gwxxmvu94u-1acgfu4-1crk4vnl1utiz9ljbwuy4qhjj/52fski1q9fa84tmq.o [INFO] [stderr] error: unable to write file Chapter-8/target/debug/incremental/Chapter_8-dxjod310ewiy/s-gwxxmvu94u-1acgfu4-1crk4vnl1utiz9ljbwuy4qhjj/54vxa9f87c98tdyk.o [INFO] [stderr] error: unable to write file Chapter-8/target/debug/incremental/Chapter_8-dxjod310ewiy/s-gwxxmvu94u-1acgfu4-1crk4vnl1utiz9ljbwuy4qhjj/5dmtka7z76g8qr8i.o [INFO] [stderr] error: unable to write file Chapter-8/target/debug/incremental/Chapter_8-dxjod310ewiy/s-gwxxmvu94u-1acgfu4-1crk4vnl1utiz9ljbwuy4qhjj/5g7fmea8vtm81jp9.o [INFO] [stderr] error: unable to write file Chapter-8/target/debug/incremental/Chapter_8-dxjod310ewiy/s-gwxxmvu94u-1acgfu4-1crk4vnl1utiz9ljbwuy4qhjj/76f1symuidhugmu.o [INFO] [stderr] error: unable to write file Chapter-8/target/debug/incremental/Chapter_8-dxjod310ewiy/s-gwxxmvu94u-1acgfu4-1crk4vnl1utiz9ljbwuy4qhjj/dep-graph.bin [INFO] [stderr] error: unable to write file Chapter-8/target/debug/incremental/Chapter_8-dxjod310ewiy/s-gwxxmvu94u-1acgfu4-1crk4vnl1utiz9ljbwuy4qhjj/ohpmk8pr4gskd01.o [INFO] [stderr] error: unable to write file Chapter-8/target/debug/incremental/Chapter_8-dxjod310ewiy/s-gwxxmvu94u-1acgfu4-1crk4vnl1utiz9ljbwuy4qhjj/owwppbt8644stwv.o [INFO] [stderr] error: unable to write file Chapter-8/target/debug/incremental/Chapter_8-dxjod310ewiy/s-gwxxmvu94u-1acgfu4-1crk4vnl1utiz9ljbwuy4qhjj/query-cache.bin [INFO] [stderr] error: unable to write file Chapter-8/target/debug/incremental/Chapter_8-dxjod310ewiy/s-gwxxmvu94u-1acgfu4-1crk4vnl1utiz9ljbwuy4qhjj/vdklc6bovtvppf0.o [INFO] [stderr] error: unable to write file Chapter-8/target/debug/incremental/Chapter_8-dxjod310ewiy/s-gwxxmvu94u-1acgfu4-1crk4vnl1utiz9ljbwuy4qhjj/work-products.bin [INFO] [stderr] error: unable to write file Chapter-8/target/debug/incremental/Chapter_8-dxjod310ewiy/s-gwxxmvu94u-1acgfu4-1crk4vnl1utiz9ljbwuy4qhjj/wzycquqjl94uuqy.o [INFO] [stderr] fatal: cannot create directory at 'Chapter-8_2': No space left on device [INFO] [stderr] warning: Clone succeeded, but checkout failed. [INFO] [stderr] You can inspect what was checked out with 'git status' [INFO] [stderr] and retry with 'git restore --source=HEAD :/' [INFO] [stderr] [INFO] checking jamesonley/LearningRust against try#028201683a76a5cd349729c6819c46607119c4e8 for pr-144157 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamesonley%2FLearningRust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] [stderr] error: unable to write file Chapter-8/target/debug/deps/Chapter_8-4b55194a7d0f8dbc [INFO] [stderr] error: unable to write file Chapter-8/target/debug/deps/Chapter_8-4b55194a7d0f8dbc.d [INFO] [stderr] error: unable to write file Chapter-8/target/debug/incremental/Chapter_8-dxjod310ewiy/s-gwxxmvu94u-1acgfu4-1crk4vnl1utiz9ljbwuy4qhjj/dep-graph.bin [INFO] [stderr] error: unable to write file Chapter-8/target/debug/incremental/Chapter_8-dxjod310ewiy/s-gwxxmvu94u-1acgfu4-1crk4vnl1utiz9ljbwuy4qhjj/work-products.bin [INFO] [stderr] error: unable to write file Chapter-8/target/debug/incremental/Chapter_8-dxjod310ewiy/s-gwxxmvu94u-1acgfu4-1crk4vnl1utiz9ljbwuy4qhjj/wzycquqjl94uuqy.o [INFO] [stderr] fatal: cannot create directory at 'Chapter-8_2': No space left on device [INFO] [stderr] warning: Clone succeeded, but checkout failed. [INFO] [stderr] You can inspect what was checked out with 'git status' [INFO] [stderr] and retry with 'git restore --source=HEAD :/' [INFO] [stderr] [INFO] checking jamesonley/LearningRust against try#028201683a76a5cd349729c6819c46607119c4e8 for pr-144157 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamesonley%2FLearningRust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] [stderr] error: unable to write file Chapter-8/target/debug/deps/Chapter_8-4b55194a7d0f8dbc [INFO] [stderr] fatal: unable to checkout working tree [INFO] [stderr] warning: Clone succeeded, but checkout failed. [INFO] [stderr] You can inspect what was checked out with 'git status' [INFO] [stderr] and retry with 'git restore --source=HEAD :/' [INFO] [stderr] [INFO] checking jamesonley/LearningRust against try#028201683a76a5cd349729c6819c46607119c4e8 for pr-144157 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamesonley%2FLearningRust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/jamesonley/LearningRust [INFO] finished tweaking git repo https://github.com/jamesonley/LearningRust [INFO] tweaked toml for git repo https://github.com/jamesonley/LearningRust written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/jamesonley/LearningRust on toolchain 028201683a76a5cd349729c6819c46607119c4e8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+028201683a76a5cd349729c6819c46607119c4e8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/jamesonley/LearningRust already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+028201683a76a5cd349729c6819c46607119c4e8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+028201683a76a5cd349729c6819c46607119c4e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 68ee06eb7786243190bfe5e6c6b505c1dff972b5f94bd5d2e0e7d5262e541b5a [INFO] running `Command { std: "docker" "start" "-a" "68ee06eb7786243190bfe5e6c6b505c1dff972b5f94bd5d2e0e7d5262e541b5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "68ee06eb7786243190bfe5e6c6b505c1dff972b5f94bd5d2e0e7d5262e541b5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68ee06eb7786243190bfe5e6c6b505c1dff972b5f94bd5d2e0e7d5262e541b5a", kill_on_drop: false }` [INFO] [stdout] 68ee06eb7786243190bfe5e6c6b505c1dff972b5f94bd5d2e0e7d5262e541b5a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+028201683a76a5cd349729c6819c46607119c4e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3e016fc9c1290c183ee450b5433859026e25bc586d4fd5f99d99a7b25e36748c [INFO] running `Command { std: "docker" "start" "-a" "3e016fc9c1290c183ee450b5433859026e25bc586d4fd5f99d99a7b25e36748c", kill_on_drop: false }` [INFO] [stderr] Checking hello-world v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/main.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | let s = "hello"; // String literal inside a specific scope. [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/main.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | let s = String::from("Hello Inside Scope"); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s1` [INFO] [stdout] --> src/main.rs:106:17 [INFO] [stdout] | [INFO] [stdout] 106 | let s1 = gives_ownership(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_s1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s3` [INFO] [stdout] --> src/main.rs:108:17 [INFO] [stdout] | [INFO] [stdout] 108 | let s3 = takes_and_gives_back(s2); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_s3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r1` [INFO] [stdout] --> src/main.rs:198:17 [INFO] [stdout] | [INFO] [stdout] 198 | let r1 = &mut s; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `origin` [INFO] [stdout] --> src/main.rs:306:17 [INFO] [stdout] | [INFO] [stdout] 306 | let origin = Point(1, 0, 0); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_origin` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:206:13 [INFO] [stdout] | [INFO] [stdout] 206 | let mut s = String::from("hello"); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/main.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | let s = "hello"; // String literal inside a specific scope. [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/main.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | let s = String::from("Hello Inside Scope"); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s1` [INFO] [stdout] --> src/main.rs:106:17 [INFO] [stdout] | [INFO] [stdout] 106 | let s1 = gives_ownership(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_s1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s3` [INFO] [stdout] --> src/main.rs:108:17 [INFO] [stdout] | [INFO] [stdout] 108 | let s3 = takes_and_gives_back(s2); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_s3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r1` [INFO] [stdout] --> src/main.rs:198:17 [INFO] [stdout] | [INFO] [stdout] 198 | let r1 = &mut s; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `origin` [INFO] [stdout] --> src/main.rs:306:17 [INFO] [stdout] | [INFO] [stdout] 306 | let origin = Point(1, 0, 0); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_origin` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:206:13 [INFO] [stdout] | [INFO] [stdout] 206 | let mut s = String::from("hello"); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `1` and `2` are never read [INFO] [stdout] --> src/main.rs:301:31 [INFO] [stdout] | [INFO] [stdout] 301 | struct Color(i32, i32, i32); [INFO] [stdout] | ----- ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> src/main.rs:302:26 [INFO] [stdout] | [INFO] [stdout] 302 | struct Point(i32, i32, i32); [INFO] [stdout] | ----- ^^^ ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Penny`, `Nickel`, and `Quarter` are never constructed [INFO] [stdout] --> src/main.rs:386:17 [INFO] [stdout] | [INFO] [stdout] 385 | enum Coin { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 386 | Penny, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 387 | Nickel, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 388 | Dime, [INFO] [stdout] 389 | Quarter, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Alabama` and `Alaska` are never constructed [INFO] [stdout] --> src/main.rs:409:17 [INFO] [stdout] | [INFO] [stdout] 408 | enum UsState{ [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] 409 | Alabama, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 410 | Alaska, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `UsState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Penny`, `Nickel`, and `Dime` are never constructed [INFO] [stdout] --> src/main.rs:414:17 [INFO] [stdout] | [INFO] [stdout] 413 | enum Coin { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 414 | Penny, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 415 | Nickel, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 416 | Dime, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `plus_one` is never used [INFO] [stdout] --> src/main.rs:438:16 [INFO] [stdout] | [INFO] [stdout] 438 | fn plus_one(x: Option) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s [INFO] running `Command { std: "docker" "inspect" "3e016fc9c1290c183ee450b5433859026e25bc586d4fd5f99d99a7b25e36748c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e016fc9c1290c183ee450b5433859026e25bc586d4fd5f99d99a7b25e36748c", kill_on_drop: false }` [INFO] [stdout] 3e016fc9c1290c183ee450b5433859026e25bc586d4fd5f99d99a7b25e36748c