[INFO] cloning repository https://github.com/omegga/learn-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/omegga/learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomegga%2Flearn-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomegga%2Flearn-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 34abf3300fe30c5e2c396e36d8867490d5d9ae73 [INFO] checking omegga/learn-rust against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomegga%2Flearn-rust" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/omegga/learn-rust on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/omegga/learn-rust [INFO] finished tweaking git repo https://github.com/omegga/learn-rust [INFO] tweaked toml for git repo https://github.com/omegga/learn-rust written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/omegga/learn-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 30faae7ccef0580bfa29d31fe954cf265e473ce8dcaa5b04b6ee035ce3914cee [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" "30faae7ccef0580bfa29d31fe954cf265e473ce8dcaa5b04b6ee035ce3914cee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "30faae7ccef0580bfa29d31fe954cf265e473ce8dcaa5b04b6ee035ce3914cee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30faae7ccef0580bfa29d31fe954cf265e473ce8dcaa5b04b6ee035ce3914cee", kill_on_drop: false }` [INFO] [stdout] 30faae7ccef0580bfa29d31fe954cf265e473ce8dcaa5b04b6ee035ce3914cee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c931d709cece130cfd20a57e7f3de568a3013337f862704a580ed35396e883cf [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" "c931d709cece130cfd20a57e7f3de568a3013337f862704a580ed35396e883cf", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.70 [INFO] [stderr] Checking web-server-multi-thread v0.1.0 (/opt/rustwide/workdir/web-server-multi-thread) [INFO] [stderr] Checking project_minigrep v0.1.0 (/opt/rustwide/workdir/project_minigrep) [INFO] [stderr] Checking closures v0.1.0 (/opt/rustwide/workdir/closures) [INFO] [stderr] Checking web-server-single-thread v0.1.0 (/opt/rustwide/workdir/web-server-single-thread) [INFO] [stderr] Checking errors v0.1.0 (/opt/rustwide/workdir/errors) [INFO] [stderr] Checking basics v0.1.0 (/opt/rustwide/workdir/basics) [INFO] [stderr] Checking testing v0.1.0 (/opt/rustwide/workdir/testing) [INFO] [stderr] Checking dereferencing v0.1.0 (/opt/rustwide/workdir/dereferencing) [INFO] [stderr] Checking threads v0.1.0 (/opt/rustwide/workdir/threads) [INFO] [stderr] Checking strings v0.1.0 (/opt/rustwide/workdir/strings) [INFO] [stderr] Checking dropping v0.1.0 (/opt/rustwide/workdir/dropping) [INFO] [stderr] Checking lifetimes v0.1.0 (/opt/rustwide/workdir/lifetimes) [INFO] [stderr] Checking mutexes v0.1.0 (/opt/rustwide/workdir/mutexes) [INFO] [stderr] Checking macros v0.1.0 (/opt/rustwide/workdir/macros) [INFO] [stderr] Checking multiple_owners v0.1.0 (/opt/rustwide/workdir/multiple_owners) [INFO] [stdout] warning: unused variable: `d` [INFO] [stdout] --> dropping/src/main.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let d = CustomSmartPointer { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> dereferencing/src/main.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | let y = &x; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking traits v0.1.0 (/opt/rustwide/workdir/traits) [INFO] [stderr] Checking enums v0.1.0 (/opt/rustwide/workdir/enums) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking vectors v0.1.0 (/opt/rustwide/workdir/vectors) [INFO] [stderr] Checking patterns v0.1.0 (/opt/rustwide/workdir/patterns) [INFO] [stderr] Checking structs v0.1.0 (/opt/rustwide/workdir/structs) [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> multiple_owners/src/main.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let b = Cons(3, Box::new(a)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> multiple_owners/src/main.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let b = Cons(3, Rc::clone(&a)); // reference count = 2 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> multiple_owners/src/main.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | let c = Cons(4, Rc::clone(&a)); // reference count = 3 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> multiple_owners/src/main.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | let b = Cons(3, Rc::clone(&a)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> multiple_owners/src/main.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | let c = Cons(4, Rc::clone(&a)); // reference count = 3 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking boxes v0.1.0 (/opt/rustwide/workdir/boxes) [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking loops v0.1.0 (/opt/rustwide/workdir/loops) [INFO] [stdout] warning: unused variable: `d` [INFO] [stdout] --> dropping/src/main.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let d = CustomSmartPointer { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking iterators v0.1.0 (/opt/rustwide/workdir/iterators) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking ownership v0.1.0 (/opt/rustwide/workdir/ownership) [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> patterns/src/main.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | let x = 5; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> patterns/src/main.rs:73:10 [INFO] [stdout] | [INFO] [stdout] 73 | let (x, y, z) = (1, 2, 3); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> patterns/src/main.rs:73:13 [INFO] [stdout] | [INFO] [stdout] 73 | let (x, y, z) = (1, 2, 3); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `z` [INFO] [stdout] --> patterns/src/main.rs:73:16 [INFO] [stdout] | [INFO] [stdout] 73 | let (x, y, z) = (1, 2, 3); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_z` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> patterns/src/main.rs:79:32 [INFO] [stdout] | [INFO] [stdout] 79 | fn function_parameters_pattern(x: i32) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> patterns/src/main.rs:97:9 [INFO] [stdout] | [INFO] [stdout] 97 | let x = some_option_value; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `feet` [INFO] [stdout] --> patterns/src/main.rs:243:11 [INFO] [stdout] | [INFO] [stdout] 243 | let ((feet, inches), Point { x, y }) = ((3, 10), Point { x: 3, y: -10 }); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_feet` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `inches` [INFO] [stdout] --> patterns/src/main.rs:243:17 [INFO] [stdout] | [INFO] [stdout] 243 | let ((feet, inches), Point { x, y }) = ((3, 10), Point { x: 3, y: -10 }); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_inches` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> patterns/src/main.rs:243:34 [INFO] [stdout] | [INFO] [stdout] 243 | let ((feet, inches), Point { x, y }) = ((3, 10), Point { x: 3, y: -10 }); [INFO] [stdout] | ^ help: try ignoring the field: `x: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> patterns/src/main.rs:243:37 [INFO] [stdout] | [INFO] [stdout] 243 | let ((feet, inches), Point { x, y }) = ((3, 10), Point { x: 3, y: -10 }); [INFO] [stdout] | ^ help: try ignoring the field: `y: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Quit` [INFO] [stdout] --> patterns/src/main.rs:191:9 [INFO] [stdout] | [INFO] [stdout] 191 | Quit, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Move` [INFO] [stdout] --> patterns/src/main.rs:192:9 [INFO] [stdout] | [INFO] [stdout] 192 | Move { x: i32, y: i32 }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Write` [INFO] [stdout] --> patterns/src/main.rs:193:9 [INFO] [stdout] | [INFO] [stdout] 193 | Write(String), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Rgb` [INFO] [stdout] --> patterns/src/main.rs:213:9 [INFO] [stdout] | [INFO] [stdout] 213 | Rgb(i32, i32, i32), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Quit` [INFO] [stdout] --> patterns/src/main.rs:218:9 [INFO] [stdout] | [INFO] [stdout] 218 | Quit, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Move` [INFO] [stdout] --> patterns/src/main.rs:219:9 [INFO] [stdout] | [INFO] [stdout] 219 | Move { x: i32, y: i32 }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Write` [INFO] [stdout] --> patterns/src/main.rs:220:9 [INFO] [stdout] | [INFO] [stdout] 220 | Write(String), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `y` [INFO] [stdout] --> patterns/src/main.rs:269:9 [INFO] [stdout] | [INFO] [stdout] 269 | y: i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `z` [INFO] [stdout] --> patterns/src/main.rs:270:9 [INFO] [stdout] | [INFO] [stdout] 270 | z: i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> multiple_owners/src/main.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let b = Cons(3, Box::new(a)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> multiple_owners/src/main.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let b = Cons(3, Rc::clone(&a)); // reference count = 2 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> multiple_owners/src/main.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | let c = Cons(4, Rc::clone(&a)); // reference count = 3 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> multiple_owners/src/main.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | let b = Cons(3, Rc::clone(&a)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> multiple_owners/src/main.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | let c = Cons(4, Rc::clone(&a)); // reference count = 3 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> patterns/src/main.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | let x = 5; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> patterns/src/main.rs:73:10 [INFO] [stdout] | [INFO] [stdout] 73 | let (x, y, z) = (1, 2, 3); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> patterns/src/main.rs:73:13 [INFO] [stdout] | [INFO] [stdout] 73 | let (x, y, z) = (1, 2, 3); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `z` [INFO] [stdout] --> patterns/src/main.rs:73:16 [INFO] [stdout] | [INFO] [stdout] 73 | let (x, y, z) = (1, 2, 3); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_z` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> patterns/src/main.rs:79:32 [INFO] [stdout] | [INFO] [stdout] 79 | fn function_parameters_pattern(x: i32) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> patterns/src/main.rs:97:9 [INFO] [stdout] | [INFO] [stdout] 97 | let x = some_option_value; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `feet` [INFO] [stdout] --> patterns/src/main.rs:243:11 [INFO] [stdout] | [INFO] [stdout] 243 | let ((feet, inches), Point { x, y }) = ((3, 10), Point { x: 3, y: -10 }); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_feet` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `inches` [INFO] [stdout] --> patterns/src/main.rs:243:17 [INFO] [stdout] | [INFO] [stdout] 243 | let ((feet, inches), Point { x, y }) = ((3, 10), Point { x: 3, y: -10 }); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_inches` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> patterns/src/main.rs:243:34 [INFO] [stdout] | [INFO] [stdout] 243 | let ((feet, inches), Point { x, y }) = ((3, 10), Point { x: 3, y: -10 }); [INFO] [stdout] | ^ help: try ignoring the field: `x: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> patterns/src/main.rs:243:37 [INFO] [stdout] | [INFO] [stdout] 243 | let ((feet, inches), Point { x, y }) = ((3, 10), Point { x: 3, y: -10 }); [INFO] [stdout] | ^ help: try ignoring the field: `y: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Quit` [INFO] [stdout] --> patterns/src/main.rs:191:9 [INFO] [stdout] | [INFO] [stdout] 191 | Quit, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Move` [INFO] [stdout] --> patterns/src/main.rs:192:9 [INFO] [stdout] | [INFO] [stdout] 192 | Move { x: i32, y: i32 }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Write` [INFO] [stdout] --> patterns/src/main.rs:193:9 [INFO] [stdout] | [INFO] [stdout] 193 | Write(String), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Rgb` [INFO] [stdout] --> patterns/src/main.rs:213:9 [INFO] [stdout] | [INFO] [stdout] 213 | Rgb(i32, i32, i32), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Quit` [INFO] [stdout] --> patterns/src/main.rs:218:9 [INFO] [stdout] | [INFO] [stdout] 218 | Quit, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Move` [INFO] [stdout] --> patterns/src/main.rs:219:9 [INFO] [stdout] | [INFO] [stdout] 219 | Move { x: i32, y: i32 }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Write` [INFO] [stdout] --> patterns/src/main.rs:220:9 [INFO] [stdout] | [INFO] [stdout] 220 | Write(String), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `y` [INFO] [stdout] --> patterns/src/main.rs:269:9 [INFO] [stdout] | [INFO] [stdout] 269 | y: i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `z` [INFO] [stdout] --> patterns/src/main.rs:270:9 [INFO] [stdout] | [INFO] [stdout] 270 | z: i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> dereferencing/src/main.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | let y = &x; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking project_guessing_game v0.1.0 (/opt/rustwide/workdir/project_guessing_game) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.25s [INFO] running `Command { std: "docker" "inspect" "c931d709cece130cfd20a57e7f3de568a3013337f862704a580ed35396e883cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c931d709cece130cfd20a57e7f3de568a3013337f862704a580ed35396e883cf", kill_on_drop: false }` [INFO] [stdout] c931d709cece130cfd20a57e7f3de568a3013337f862704a580ed35396e883cf