[INFO] cloning repository https://github.com/sreedharputtu/rust-samples [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sreedharputtu/rust-samples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsreedharputtu%2Frust-samples", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsreedharputtu%2Frust-samples'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6fdf263d31fc0638a2b52c0159efe0a9bd005fd7 [INFO] testing sreedharputtu/rust-samples against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsreedharputtu%2Frust-samples" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sreedharputtu/rust-samples on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sreedharputtu/rust-samples [INFO] finished tweaking git repo https://github.com/sreedharputtu/rust-samples [INFO] tweaked toml for git repo https://github.com/sreedharputtu/rust-samples written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/sreedharputtu/rust-samples already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 97c053882b0e34b9a110f4dfd41cb4c0c667d5589c6ce3695acdc9f29897157c [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" "97c053882b0e34b9a110f4dfd41cb4c0c667d5589c6ce3695acdc9f29897157c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "97c053882b0e34b9a110f4dfd41cb4c0c667d5589c6ce3695acdc9f29897157c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "97c053882b0e34b9a110f4dfd41cb4c0c667d5589c6ce3695acdc9f29897157c", kill_on_drop: false }` [INFO] [stdout] 97c053882b0e34b9a110f4dfd41cb4c0c667d5589c6ce3695acdc9f29897157c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 99e51790c89274c01a7fd3822def6809507adad838439560f02df9187aa3920b [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" "99e51790c89274c01a7fd3822def6809507adad838439560f02df9187aa3920b", kill_on_drop: false }` [INFO] [stderr] Compiling rust_samples v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | / /** [INFO] [stdout] 8 | | Signed and unsigned [INFO] [stdout] 9 | | 1 . u - un signed -> for example u8 size is 0...256 [INFO] [stdout] 10 | | 2 . i - signed -> for example 18 size is -128...127 [INFO] [stdout] ... | [INFO] [stdout] 14 | | i8 , i16 , i32 etc [INFO] [stdout] 15 | | **/ [INFO] [stdout] | |________^ [INFO] [stdout] 16 | [INFO] [stdout] 17 | let s: u8 = 255; // this creates an immutable variable [INFO] [stdout] | ---------------- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] = help: use `/* */` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | / /** [INFO] [stdout] 26 | | mutable variable [INFO] [stdout] 27 | | **/ [INFO] [stdout] | |_______^ [INFO] [stdout] 28 | [INFO] [stdout] 29 | let mut q: u8 = 256; [INFO] [stdout] | -------------------- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = help: use `/* */` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | / /** [INFO] [stdout] 34 | | if type is not mentioned explicitly , then rust compiler defaults it automatically [INFO] [stdout] 35 | | in below case c is i32 type [INFO] [stdout] 36 | | **/ [INFO] [stdout] | |_______^ [INFO] [stdout] 37 | let c = -1; [INFO] [stdout] | ----------- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = help: use `/* */` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | / /** [INFO] [stdout] 41 | | usize and isize are data types which depends on OS [INFO] [stdout] 42 | | (32 bit or 64 bit based on OS) [INFO] [stdout] 43 | | **/ [INFO] [stdout] | |_______^ [INFO] [stdout] 44 | let d: usize = 1; [INFO] [stdout] | ----------------- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = help: use `/* */` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 48 | / /** [INFO] [stdout] 49 | | floating points , f64 is default type for floating point variable [INFO] [stdout] 50 | | f32 , f64 etc [INFO] [stdout] 51 | | **/ [INFO] [stdout] | |_______^ [INFO] [stdout] 52 | let g = 6.7; [INFO] [stdout] | ------------ rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = help: use `/* */` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:54:5 [INFO] [stdout] | [INFO] [stdout] 54 | / /** [INFO] [stdout] 55 | | bool [INFO] [stdout] 56 | | **/ [INFO] [stdout] | |_______^ [INFO] [stdout] 57 | let x = true; [INFO] [stdout] | ------------- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = help: use `/* */` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `q` is never read [INFO] [stdout] --> src/main.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | let mut q: u8 = 256; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: literal out of range for `u8` [INFO] [stdout] --> src/main.rs:29:21 [INFO] [stdout] | [INFO] [stdout] 29 | let mut q: u8 = 256; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(overflowing_literals)]` on by default [INFO] [stdout] = note: the literal `256` does not fit into the type `u8` whose range is `0..=255` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.67s [INFO] running `Command { std: "docker" "inspect" "99e51790c89274c01a7fd3822def6809507adad838439560f02df9187aa3920b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99e51790c89274c01a7fd3822def6809507adad838439560f02df9187aa3920b", kill_on_drop: false }` [INFO] [stdout] 99e51790c89274c01a7fd3822def6809507adad838439560f02df9187aa3920b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3f6ce85626a353cae7b5f65b7da858755e9ae9e314e379ad31cff5678c87a926 [INFO] running `Command { std: "docker" "start" "-a" "3f6ce85626a353cae7b5f65b7da858755e9ae9e314e379ad31cff5678c87a926", kill_on_drop: false }` [INFO] [stderr] Compiling rust_samples v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | / /** [INFO] [stdout] 8 | | Signed and unsigned [INFO] [stdout] 9 | | 1 . u - un signed -> for example u8 size is 0...256 [INFO] [stdout] 10 | | 2 . i - signed -> for example 18 size is -128...127 [INFO] [stdout] ... | [INFO] [stdout] 14 | | i8 , i16 , i32 etc [INFO] [stdout] 15 | | **/ [INFO] [stdout] | |________^ [INFO] [stdout] 16 | [INFO] [stdout] 17 | let s: u8 = 255; // this creates an immutable variable [INFO] [stdout] | ---------------- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] = help: use `/* */` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | / /** [INFO] [stdout] 26 | | mutable variable [INFO] [stdout] 27 | | **/ [INFO] [stdout] | |_______^ [INFO] [stdout] 28 | [INFO] [stdout] 29 | let mut q: u8 = 256; [INFO] [stdout] | -------------------- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = help: use `/* */` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | / /** [INFO] [stdout] 34 | | if type is not mentioned explicitly , then rust compiler defaults it automatically [INFO] [stdout] 35 | | in below case c is i32 type [INFO] [stdout] 36 | | **/ [INFO] [stdout] | |_______^ [INFO] [stdout] 37 | let c = -1; [INFO] [stdout] | ----------- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = help: use `/* */` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | / /** [INFO] [stdout] 41 | | usize and isize are data types which depends on OS [INFO] [stdout] 42 | | (32 bit or 64 bit based on OS) [INFO] [stdout] 43 | | **/ [INFO] [stdout] | |_______^ [INFO] [stdout] 44 | let d: usize = 1; [INFO] [stdout] | ----------------- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = help: use `/* */` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 48 | / /** [INFO] [stdout] 49 | | floating points , f64 is default type for floating point variable [INFO] [stdout] 50 | | f32 , f64 etc [INFO] [stdout] 51 | | **/ [INFO] [stdout] | |_______^ [INFO] [stdout] 52 | let g = 6.7; [INFO] [stdout] | ------------ rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = help: use `/* */` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:54:5 [INFO] [stdout] | [INFO] [stdout] 54 | / /** [INFO] [stdout] 55 | | bool [INFO] [stdout] 56 | | **/ [INFO] [stdout] | |_______^ [INFO] [stdout] 57 | let x = true; [INFO] [stdout] | ------------- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = help: use `/* */` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `q` is never read [INFO] [stdout] --> src/main.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | let mut q: u8 = 256; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: literal out of range for `u8` [INFO] [stdout] --> src/main.rs:29:21 [INFO] [stdout] | [INFO] [stdout] 29 | let mut q: u8 = 256; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(overflowing_literals)]` on by default [INFO] [stdout] = note: the literal `256` does not fit into the type `u8` whose range is `0..=255` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.67s [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "3f6ce85626a353cae7b5f65b7da858755e9ae9e314e379ad31cff5678c87a926", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f6ce85626a353cae7b5f65b7da858755e9ae9e314e379ad31cff5678c87a926", kill_on_drop: false }` [INFO] [stdout] 3f6ce85626a353cae7b5f65b7da858755e9ae9e314e379ad31cff5678c87a926 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e09152ebc34291475ef541a3d4b6e4222e5e5c02af935711ecc0058aa7fbc30b [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" "e09152ebc34291475ef541a3d4b6e4222e5e5c02af935711ecc0058aa7fbc30b", kill_on_drop: false }` [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | / /** [INFO] [stderr] 8 | | Signed and unsigned [INFO] [stderr] 9 | | 1 . u - un signed -> for example u8 size is 0...256 [INFO] [stderr] 10 | | 2 . i - signed -> for example 18 size is -128...127 [INFO] [stderr] ... | [INFO] [stderr] 14 | | i8 , i16 , i32 etc [INFO] [stderr] 15 | | **/ [INFO] [stderr] | |________^ [INFO] [stderr] 16 | [INFO] [stderr] 17 | let s: u8 = 255; // this creates an immutable variable [INFO] [stderr] | ---------------- rustdoc does not generate documentation for statements [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stderr] = help: use `/* */` for a plain comment [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/main.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | / /** [INFO] [stderr] 26 | | mutable variable [INFO] [stderr] 27 | | **/ [INFO] [stderr] | |_______^ [INFO] [stderr] 28 | [INFO] [stderr] 29 | let mut q: u8 = 256; [INFO] [stderr] | -------------------- rustdoc does not generate documentation for statements [INFO] [stderr] | [INFO] [stderr] = help: use `/* */` for a plain comment [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/main.rs:33:5 [INFO] [stderr] | [INFO] [stderr] 33 | / /** [INFO] [stderr] 34 | | if type is not mentioned explicitly , then rust compiler defaults it automatically [INFO] [stderr] 35 | | in below case c is i32 type [INFO] [stderr] 36 | | **/ [INFO] [stderr] | |_______^ [INFO] [stderr] 37 | let c = -1; [INFO] [stderr] | ----------- rustdoc does not generate documentation for statements [INFO] [stderr] | [INFO] [stderr] = help: use `/* */` for a plain comment [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/main.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | / /** [INFO] [stderr] 41 | | usize and isize are data types which depends on OS [INFO] [stderr] 42 | | (32 bit or 64 bit based on OS) [INFO] [stderr] 43 | | **/ [INFO] [stderr] | |_______^ [INFO] [stderr] 44 | let d: usize = 1; [INFO] [stderr] | ----------------- rustdoc does not generate documentation for statements [INFO] [stderr] | [INFO] [stderr] = help: use `/* */` for a plain comment [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/main.rs:48:5 [INFO] [stderr] | [INFO] [stderr] 48 | / /** [INFO] [stderr] 49 | | floating points , f64 is default type for floating point variable [INFO] [stderr] 50 | | f32 , f64 etc [INFO] [stderr] 51 | | **/ [INFO] [stderr] | |_______^ [INFO] [stderr] 52 | let g = 6.7; [INFO] [stderr] | ------------ rustdoc does not generate documentation for statements [INFO] [stderr] | [INFO] [stderr] = help: use `/* */` for a plain comment [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/main.rs:54:5 [INFO] [stderr] | [INFO] [stderr] 54 | / /** [INFO] [stderr] 55 | | bool [INFO] [stderr] 56 | | **/ [INFO] [stderr] | |_______^ [INFO] [stderr] 57 | let x = true; [INFO] [stderr] | ------------- rustdoc does not generate documentation for statements [INFO] [stderr] | [INFO] [stderr] = help: use `/* */` for a plain comment [INFO] [stderr] [INFO] [stderr] warning: value assigned to `q` is never read [INFO] [stderr] --> src/main.rs:29:13 [INFO] [stderr] | [INFO] [stderr] 29 | let mut q: u8 = 256; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: literal out of range for `u8` [INFO] [stderr] --> src/main.rs:29:21 [INFO] [stderr] | [INFO] [stderr] 29 | let mut q: u8 = 256; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(overflowing_literals)]` on by default [INFO] [stderr] = note: the literal `256` does not fit into the type `u8` whose range is `0..=255` [INFO] [stderr] [INFO] [stderr] warning: `rust_samples` (bin "rust_samples" test) generated 8 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_samples-14856e23ec1a2258) [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] running `Command { std: "docker" "inspect" "e09152ebc34291475ef541a3d4b6e4222e5e5c02af935711ecc0058aa7fbc30b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e09152ebc34291475ef541a3d4b6e4222e5e5c02af935711ecc0058aa7fbc30b", kill_on_drop: false }` [INFO] [stdout] e09152ebc34291475ef541a3d4b6e4222e5e5c02af935711ecc0058aa7fbc30b