[INFO] cloning repository https://github.com/ishibashi-futos/rust-learn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ishibashi-futos/rust-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fishibashi-futos%2Frust-learn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fishibashi-futos%2Frust-learn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d04d014df8ea35f7d96abe46d0cf855d52154abd [INFO] testing ishibashi-futos/rust-learn against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fishibashi-futos%2Frust-learn" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ishibashi-futos/rust-learn on toolchain 1871252fc8bb672d40787e67404e6eaae7059369 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ishibashi-futos/rust-learn [INFO] finished tweaking git repo https://github.com/ishibashi-futos/rust-learn [INFO] tweaked toml for git repo https://github.com/ishibashi-futos/rust-learn written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ishibashi-futos/rust-learn 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" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 32d1d7fa75c2c00475833c5845ea331759361d64f82e8713f0f4d9bec801cf24 [INFO] running `Command { std: "docker" "start" "-a" "32d1d7fa75c2c00475833c5845ea331759361d64f82e8713f0f4d9bec801cf24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "32d1d7fa75c2c00475833c5845ea331759361d64f82e8713f0f4d9bec801cf24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32d1d7fa75c2c00475833c5845ea331759361d64f82e8713f0f4d9bec801cf24", kill_on_drop: false }` [INFO] [stdout] 32d1d7fa75c2c00475833c5845ea331759361d64f82e8713f0f4d9bec801cf24 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] addd5cdf04b31bf1d31b205501f2eee8487f7b5ab42cdfa211e35f0a51b740d7 [INFO] running `Command { std: "docker" "start" "-a" "addd5cdf04b31bf1d31b205501f2eee8487f7b5ab42cdfa211e35f0a51b740d7", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.117 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling hello_macro v0.1.0 (/opt/rustwide/workdir/hello_macro) [INFO] [stderr] Compiling adder v0.1.0 (/opt/rustwide/workdir/adder) [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling logger v0.1.0 (/opt/rustwide/workdir/logger) [INFO] [stderr] Compiling hello_macro_derive v0.1.0 (/opt/rustwide/workdir/hello_macro_derive) [INFO] [stderr] Compiling rust_learn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait `OutlinePrint` is never used [INFO] [stdout] --> src/advanced_traits.rs:30:7 [INFO] [stdout] | [INFO] [stdout] 30 | trait OutlinePrint: std::fmt::Display { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/boxes.rs:54:14 [INFO] [stdout] | [INFO] [stdout] 54 | Cons(i32, Box), [INFO] [stdout] | ---- ^^^ ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 54 | Cons((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/defining_enum.rs:41:10 [INFO] [stdout] | [INFO] [stdout] 41 | Move(MoveMessage), [INFO] [stdout] | ---- ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 41 | Move(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/defining_enum.rs:42:11 [INFO] [stdout] | [INFO] [stdout] 42 | Write(String), [INFO] [stdout] | ----- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 42 | Write(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> src/defining_enum.rs:43:17 [INFO] [stdout] | [INFO] [stdout] 43 | ChangeColor(i32, i32, i32), [INFO] [stdout] | ----------- ^^^ ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 43 | ChangeColor((), (), ()), [INFO] [stdout] | ~~ ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/example_collections.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | Int(i32), [INFO] [stdout] | --- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 76 | Int(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/example_collections.rs:77:11 [INFO] [stdout] | [INFO] [stdout] 77 | Float(f64), [INFO] [stdout] | ----- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 77 | Float(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/example_collections.rs:78:10 [INFO] [stdout] | [INFO] [stdout] 78 | Text(String), [INFO] [stdout] | ---- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 78 | Text(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `content` is never read [INFO] [stdout] --> src/generics_example.rs:143:9 [INFO] [stdout] | [INFO] [stdout] 139 | pub struct NewsArticle { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 143 | pub content: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `reply` and `retweet` are never read [INFO] [stdout] --> src/generics_example.rs:169:9 [INFO] [stdout] | [INFO] [stdout] 166 | pub struct Tweet { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 169 | pub reply: bool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 170 | pub retweet: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `title` and `description` are never read [INFO] [stdout] --> src/generics_example.rs:191:9 [INFO] [stdout] | [INFO] [stdout] 189 | pub struct Youtube { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 190 | pub username: String, [INFO] [stdout] 191 | pub title: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 192 | pub description: String, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/interior_mutability.rs:137:10 [INFO] [stdout] | [INFO] [stdout] 137 | Cons(Rc>, Rc), [INFO] [stdout] | ---- ^^^^^^^^^^^^^^^^ ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 137 | Cons((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/reference_counting.rs:57:14 [INFO] [stdout] | [INFO] [stdout] 57 | Cons(i32, Box), [INFO] [stdout] | ---- ^^^ ^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 57 | Cons((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/reference_counting.rs:62:14 [INFO] [stdout] | [INFO] [stdout] 62 | Cons(i32, Rc), [INFO] [stdout] | ---- ^^^ ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 62 | Cons((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/reference_cycles.rs:14:14 [INFO] [stdout] | [INFO] [stdout] 14 | Cons(i32, RefCell>), [INFO] [stdout] | ---- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 14 | Cons((), RefCell>), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `value` and `children` are never read [INFO] [stdout] --> src/reference_cycles.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 28 | pub struct Node { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 29 | pub value: i32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 30 | pub parent: RefCell>, [INFO] [stdout] 31 | pub children: RefCell>>, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [optimized + debuginfo] target(s) in 4.02s [INFO] running `Command { std: "docker" "inspect" "addd5cdf04b31bf1d31b205501f2eee8487f7b5ab42cdfa211e35f0a51b740d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "addd5cdf04b31bf1d31b205501f2eee8487f7b5ab42cdfa211e35f0a51b740d7", kill_on_drop: false }` [INFO] [stdout] addd5cdf04b31bf1d31b205501f2eee8487f7b5ab42cdfa211e35f0a51b740d7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7ee0045518363280c61c0664ad215ecf9e10c6e066c6536b7b758c72d61eaa30 [INFO] running `Command { std: "docker" "start" "-a" "7ee0045518363280c61c0664ad215ecf9e10c6e066c6536b7b758c72d61eaa30", kill_on_drop: false }` [INFO] [stderr] Compiling rust_learn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait `OutlinePrint` is never used [INFO] [stdout] --> src/advanced_traits.rs:30:7 [INFO] [stdout] | [INFO] [stdout] 30 | trait OutlinePrint: std::fmt::Display { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/boxes.rs:54:14 [INFO] [stdout] | [INFO] [stdout] 54 | Cons(i32, Box), [INFO] [stdout] | ---- ^^^ ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 54 | Cons((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/defining_enum.rs:41:10 [INFO] [stdout] | [INFO] [stdout] 41 | Move(MoveMessage), [INFO] [stdout] | ---- ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 41 | Move(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/defining_enum.rs:42:11 [INFO] [stdout] | [INFO] [stdout] 42 | Write(String), [INFO] [stdout] | ----- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 42 | Write(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> src/defining_enum.rs:43:17 [INFO] [stdout] | [INFO] [stdout] 43 | ChangeColor(i32, i32, i32), [INFO] [stdout] | ----------- ^^^ ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 43 | ChangeColor((), (), ()), [INFO] [stdout] | ~~ ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/example_collections.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | Int(i32), [INFO] [stdout] | --- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 76 | Int(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/example_collections.rs:77:11 [INFO] [stdout] | [INFO] [stdout] 77 | Float(f64), [INFO] [stdout] | ----- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 77 | Float(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/example_collections.rs:78:10 [INFO] [stdout] | [INFO] [stdout] 78 | Text(String), [INFO] [stdout] | ---- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 78 | Text(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `content` is never read [INFO] [stdout] --> src/generics_example.rs:143:9 [INFO] [stdout] | [INFO] [stdout] 139 | pub struct NewsArticle { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 143 | pub content: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `reply` and `retweet` are never read [INFO] [stdout] --> src/generics_example.rs:169:9 [INFO] [stdout] | [INFO] [stdout] 166 | pub struct Tweet { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 169 | pub reply: bool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 170 | pub retweet: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `title` and `description` are never read [INFO] [stdout] --> src/generics_example.rs:191:9 [INFO] [stdout] | [INFO] [stdout] 189 | pub struct Youtube { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 190 | pub username: String, [INFO] [stdout] 191 | pub title: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 192 | pub description: String, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/interior_mutability.rs:137:10 [INFO] [stdout] | [INFO] [stdout] 137 | Cons(Rc>, Rc), [INFO] [stdout] | ---- ^^^^^^^^^^^^^^^^ ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 137 | Cons((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/reference_counting.rs:57:14 [INFO] [stdout] | [INFO] [stdout] 57 | Cons(i32, Box), [INFO] [stdout] | ---- ^^^ ^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 57 | Cons((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/reference_counting.rs:62:14 [INFO] [stdout] | [INFO] [stdout] 62 | Cons(i32, Rc), [INFO] [stdout] | ---- ^^^ ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 62 | Cons((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/reference_cycles.rs:14:14 [INFO] [stdout] | [INFO] [stdout] 14 | Cons(i32, RefCell>), [INFO] [stdout] | ---- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 14 | Cons((), RefCell>), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `value` and `children` are never read [INFO] [stdout] --> src/reference_cycles.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 28 | pub struct Node { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 29 | pub value: i32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 30 | pub parent: RefCell>, [INFO] [stdout] 31 | pub children: RefCell>>, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `OutlinePrint` is never used [INFO] [stdout] --> src/advanced_traits.rs:30:7 [INFO] [stdout] | [INFO] [stdout] 30 | trait OutlinePrint: std::fmt::Display { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/boxes.rs:54:14 [INFO] [stdout] | [INFO] [stdout] 54 | Cons(i32, Box), [INFO] [stdout] | ---- ^^^ ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 54 | Cons((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/defining_enum.rs:41:10 [INFO] [stdout] | [INFO] [stdout] 41 | Move(MoveMessage), [INFO] [stdout] | ---- ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 41 | Move(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/defining_enum.rs:42:11 [INFO] [stdout] | [INFO] [stdout] 42 | Write(String), [INFO] [stdout] | ----- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 42 | Write(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> src/defining_enum.rs:43:17 [INFO] [stdout] | [INFO] [stdout] 43 | ChangeColor(i32, i32, i32), [INFO] [stdout] | ----------- ^^^ ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 43 | ChangeColor((), (), ()), [INFO] [stdout] | ~~ ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/example_collections.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | Int(i32), [INFO] [stdout] | --- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 76 | Int(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/example_collections.rs:77:11 [INFO] [stdout] | [INFO] [stdout] 77 | Float(f64), [INFO] [stdout] | ----- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 77 | Float(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/example_collections.rs:78:10 [INFO] [stdout] | [INFO] [stdout] 78 | Text(String), [INFO] [stdout] | ---- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 78 | Text(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `content` is never read [INFO] [stdout] --> src/generics_example.rs:143:9 [INFO] [stdout] | [INFO] [stdout] 139 | pub struct NewsArticle { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 143 | pub content: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `reply` and `retweet` are never read [INFO] [stdout] --> src/generics_example.rs:169:9 [INFO] [stdout] | [INFO] [stdout] 166 | pub struct Tweet { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 169 | pub reply: bool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 170 | pub retweet: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `title` and `description` are never read [INFO] [stdout] --> src/generics_example.rs:191:9 [INFO] [stdout] | [INFO] [stdout] 189 | pub struct Youtube { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 190 | pub username: String, [INFO] [stdout] 191 | pub title: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 192 | pub description: String, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/interior_mutability.rs:137:10 [INFO] [stdout] | [INFO] [stdout] 137 | Cons(Rc>, Rc), [INFO] [stdout] | ---- ^^^^^^^^^^^^^^^^ ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 137 | Cons((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/reference_counting.rs:57:14 [INFO] [stdout] | [INFO] [stdout] 57 | Cons(i32, Box), [INFO] [stdout] | ---- ^^^ ^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 57 | Cons((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/reference_counting.rs:62:14 [INFO] [stdout] | [INFO] [stdout] 62 | Cons(i32, Rc), [INFO] [stdout] | ---- ^^^ ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 62 | Cons((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/reference_cycles.rs:14:14 [INFO] [stdout] | [INFO] [stdout] 14 | Cons(i32, RefCell>), [INFO] [stdout] | ---- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 14 | Cons((), RefCell>), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `value` and `children` are never read [INFO] [stdout] --> src/reference_cycles.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 28 | pub struct Node { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 29 | pub value: i32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 30 | pub parent: RefCell>, [INFO] [stdout] 31 | pub children: RefCell>>, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [optimized + debuginfo] target(s) in 0.65s [INFO] running `Command { std: "docker" "inspect" "7ee0045518363280c61c0664ad215ecf9e10c6e066c6536b7b758c72d61eaa30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ee0045518363280c61c0664ad215ecf9e10c6e066c6536b7b758c72d61eaa30", kill_on_drop: false }` [INFO] [stdout] 7ee0045518363280c61c0664ad215ecf9e10c6e066c6536b7b758c72d61eaa30 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8f6547c1e6429c2b09805828d7652eb98c85a1d8805ef6e2f6146dd21c532fc8 [INFO] running `Command { std: "docker" "start" "-a" "8f6547c1e6429c2b09805828d7652eb98c85a1d8805ef6e2f6146dd21c532fc8", kill_on_drop: false }` [INFO] [stderr] warning: trait `OutlinePrint` is never used [INFO] [stderr] --> src/advanced_traits.rs:30:7 [INFO] [stderr] | [INFO] [stderr] 30 | trait OutlinePrint: std::fmt::Display { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: fields `0` and `1` are never read [INFO] [stderr] --> src/boxes.rs:54:14 [INFO] [stderr] | [INFO] [stderr] 54 | Cons(i32, Box), [INFO] [stderr] | ---- ^^^ ^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | fields in this variant [INFO] [stderr] | [INFO] [stderr] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stderr] | [INFO] [stderr] 54 | Cons((), ()), [INFO] [stderr] | ~~ ~~ [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/defining_enum.rs:41:10 [INFO] [stderr] | [INFO] [stderr] 41 | Move(MoveMessage), [INFO] [stderr] | ---- ^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 41 | Move(()), [INFO] [stderr] | ~~ [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/defining_enum.rs:42:11 [INFO] [stderr] | [INFO] [stderr] 42 | Write(String), [INFO] [stderr] | ----- ^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 42 | Write(()), [INFO] [stderr] | ~~ [INFO] [stderr] [INFO] [stderr] warning: fields `0`, `1`, and `2` are never read [INFO] [stderr] --> src/defining_enum.rs:43:17 [INFO] [stderr] | [INFO] [stderr] 43 | ChangeColor(i32, i32, i32), [INFO] [stderr] | ----------- ^^^ ^^^ ^^^ [INFO] [stderr] | | [INFO] [stderr] | fields in this variant [INFO] [stderr] | [INFO] [stderr] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stderr] | [INFO] [stderr] 43 | ChangeColor((), (), ()), [INFO] [stderr] | ~~ ~~ ~~ [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/example_collections.rs:76:9 [INFO] [stderr] | [INFO] [stderr] 76 | Int(i32), [INFO] [stderr] | --- ^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 76 | Int(()), [INFO] [stderr] | ~~ [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/example_collections.rs:77:11 [INFO] [stderr] | [INFO] [stderr] 77 | Float(f64), [INFO] [stderr] | ----- ^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 77 | Float(()), [INFO] [stderr] | ~~ [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/example_collections.rs:78:10 [INFO] [stderr] | [INFO] [stderr] 78 | Text(String), [INFO] [stderr] | ---- ^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 78 | Text(()), [INFO] [stderr] | ~~ [INFO] [stderr] [INFO] [stderr] warning: field `content` is never read [INFO] [stderr] --> src/generics_example.rs:143:9 [INFO] [stderr] | [INFO] [stderr] 139 | pub struct NewsArticle { [INFO] [stderr] | ----------- field in this struct [INFO] [stderr] ... [INFO] [stderr] 143 | pub content: String, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: fields `reply` and `retweet` are never read [INFO] [stderr] --> src/generics_example.rs:169:9 [INFO] [stderr] | [INFO] [stderr] 166 | pub struct Tweet { [INFO] [stderr] | ----- fields in this struct [INFO] [stderr] ... [INFO] [stderr] 169 | pub reply: bool, [INFO] [stderr] | ^^^^^ [INFO] [stderr] 170 | pub retweet: bool, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: fields `title` and `description` are never read [INFO] [stderr] --> src/generics_example.rs:191:9 [INFO] [stderr] | [INFO] [stderr] 189 | pub struct Youtube { [INFO] [stderr] | ------- fields in this struct [INFO] [stderr] 190 | pub username: String, [INFO] [stderr] 191 | pub title: String, [INFO] [stderr] | ^^^^^ [INFO] [stderr] 192 | pub description: String, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: fields `0` and `1` are never read [INFO] [stderr] --> src/interior_mutability.rs:137:10 [INFO] [stderr] | [INFO] [stderr] 137 | Cons(Rc>, Rc), [INFO] [stderr] | ---- ^^^^^^^^^^^^^^^^ ^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | fields in this variant [INFO] [stderr] | [INFO] [stderr] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stderr] | [INFO] [stderr] 137 | Cons((), ()), [INFO] [stderr] | ~~ ~~ [INFO] [stderr] [INFO] [stderr] warning: fields `0` and `1` are never read [INFO] [stderr] --> src/reference_counting.rs:57:14 [INFO] [stderr] | [INFO] [stderr] 57 | Cons(i32, Box), [INFO] [stderr] | ---- ^^^ ^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | fields in this variant [INFO] [stderr] | [INFO] [stderr] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stderr] | [INFO] [stderr] 57 | Cons((), ()), [INFO] [stderr] | ~~ ~~ [INFO] [stderr] [INFO] [stderr] warning: fields `0` and `1` are never read [INFO] [stderr] --> src/reference_counting.rs:62:14 [INFO] [stderr] | [INFO] [stderr] 62 | Cons(i32, Rc), [INFO] [stderr] | ---- ^^^ ^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | fields in this variant [INFO] [stderr] | [INFO] [stderr] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stderr] | [INFO] [stderr] 62 | Cons((), ()), [INFO] [stderr] | ~~ ~~ [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/reference_cycles.rs:14:14 [INFO] [stderr] | [INFO] [stderr] 14 | Cons(i32, RefCell>), [INFO] [stderr] | ---- ^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 14 | Cons((), RefCell>), [INFO] [stderr] | ~~ [INFO] [stderr] [INFO] [stderr] warning: fields `value` and `children` are never read [INFO] [stderr] --> src/reference_cycles.rs:29:13 [INFO] [stderr] | [INFO] [stderr] 28 | pub struct Node { [INFO] [stderr] | ---- fields in this struct [INFO] [stderr] 29 | pub value: i32, [INFO] [stderr] | ^^^^^ [INFO] [stderr] 30 | pub parent: RefCell>, [INFO] [stderr] 31 | pub children: RefCell>>, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: `rust_learn` (bin "rust_learn" test) generated 16 warnings [INFO] [stderr] warning: `rust_learn` (bin "rust_learn") generated 16 warnings (16 duplicates) [INFO] [stderr] Finished `test` profile [optimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_learn-ff3a98daf3ca356a) [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test tests::tests::add_two_0to2 ... ok [INFO] [stdout] test tests::tests::add_two_4to6 ... ok [INFO] [stdout] test tests::tests::exploration ... ok [INFO] [stdout] test tests::tests::greeting_contains_name ... ok [INFO] [stdout] test tests::tests::guess_new_ok ... ok [INFO] [stdout] test tests::tests::it_work_is_err ... ok [INFO] [stdout] test tests::tests::it_work_is_ok ... ok [INFO] [stdout] test tests::tests::larger_can_hold_smaller ... ok [INFO] [stdout] test tests::tests::smaller_cannot_hold_larger ... ok [INFO] [stdout] test tests::tests::greater_than_100 - should panic ... ok [INFO] [stdout] test tests::tests::lower_than_0 - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_learn-9634d46b33a1ef26) [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test iterators::test::can_using_iterator_trait_methods ... ok [INFO] [stdout] test iterators::test::counter_called_6_counts_return_none_value ... ok [INFO] [stdout] test iterators::test::counter_generate_less_than_6_values ... ok [INFO] [stdout] test iterators::test::filters_by_my_size ... ok [INFO] [stdout] test iterators::test::iterator_4_count_called_is_none ... ok [INFO] [stdout] test iterators::test::map_add_all_items_plus_one ... ok [INFO] [stdout] test iterators::test::iterator_sum_called_skip_1 ... ok [INFO] [stdout] test ownership::tests::values ... ok [INFO] [stdout] test interior_mutability::tests::should_panic_tests - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running tests/common.rs (/opt/rustwide/target/debug/deps/common-d0e92f059de5c00d) [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; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/mapped_cache_test.rs (/opt/rustwide/target/debug/deps/mapped_cache_test-f45f8575fb1ac9fe) [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test test_generator_func ... ok [INFO] [stdout] test value_cached_two_value_found ... ok [INFO] [stdout] test value_cached_value_found ... ok [INFO] [stdout] test value_is_found_value_hello ... ok [INFO] [stdout] test value_is_none_generate_default_value ... ok [INFO] [stdout] test value_string_slice_cache_found ... ok [INFO] [stdout] test value_string_slice_has_two_values_cache_found ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/tests_test.rs (/opt/rustwide/target/debug/deps/tests_test-02c3230b01dabe69) [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test add_two_0to2 ... ok [INFO] [stdout] test add_two_4to6 ... ok [INFO] [stdout] test greeting_contains_name ... ok [INFO] [stdout] test guess_new_ok ... ok [INFO] [stdout] test it_adds_two ... ok [INFO] [stdout] test it_work_is_err ... ok [INFO] [stdout] test it_work_is_ok ... ok [INFO] [stdout] test larger_can_hold_smaller ... ok [INFO] [stdout] test smaller_cannot_hold_larger ... ok [INFO] [stdout] test greater_than_100 - should panic ... ok [INFO] [stdout] test lower_than_0 - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests rust_learn [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - add_one (line 21) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8f6547c1e6429c2b09805828d7652eb98c85a1d8805ef6e2f6146dd21c532fc8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f6547c1e6429c2b09805828d7652eb98c85a1d8805ef6e2f6146dd21c532fc8", kill_on_drop: false }` [INFO] [stdout] 8f6547c1e6429c2b09805828d7652eb98c85a1d8805ef6e2f6146dd21c532fc8