[INFO] cloning repository https://github.com/geethika1129/Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/geethika1129/Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeethika1129%2FRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeethika1129%2FRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b518269581d894aa8efb5442e1c0b1a3c0d243df
[INFO] checking geethika1129/Rust against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeethika1129%2FRust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/geethika1129/Rust
[INFO] finished tweaking git repo https://github.com/geethika1129/Rust
[INFO] tweaked toml for git repo https://github.com/geethika1129/Rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/geethika1129/Rust on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/geethika1129/Rust 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 155 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.21.7
[INFO] [stderr]       Adding bitflags v1.3.2
[INFO] [stderr]       Adding bitflags v2.9.4
[INFO] [stderr]       Adding bumpalo v3.19.0
[INFO] [stderr]       Adding bytes v1.10.1
[INFO] [stderr]       Adding cc v1.2.41
[INFO] [stderr]       Adding cfg-if v1.0.4
[INFO] [stderr]       Adding core-foundation v0.9.4
[INFO] [stderr]       Adding core-foundation-sys v0.8.7
[INFO] [stderr]       Adding displaydoc v0.2.5
[INFO] [stderr]       Adding encoding_rs v0.8.35
[INFO] [stderr]       Adding equivalent v1.0.2
[INFO] [stderr]       Adding errno v0.3.14
[INFO] [stderr]       Adding fastrand v2.3.0
[INFO] [stderr]       Adding find-msvc-tools v0.1.4
[INFO] [stderr]       Adding fnv v1.0.7
[INFO] [stderr]       Adding foreign-types v0.3.2
[INFO] [stderr]       Adding foreign-types-shared v0.1.1
[INFO] [stderr]       Adding form_urlencoded v1.2.2
[INFO] [stderr]       Adding futures-channel v0.3.31
[INFO] [stderr]       Adding futures-core v0.3.31
[INFO] [stderr]       Adding futures-sink v0.3.31
[INFO] [stderr]       Adding futures-task v0.3.31
[INFO] [stderr]       Adding futures-util v0.3.31
[INFO] [stderr]       Adding getrandom v0.3.4
[INFO] [stderr]       Adding h2 v0.3.27
[INFO] [stderr]       Adding hashbrown v0.16.0
[INFO] [stderr]       Adding http v0.2.12
[INFO] [stderr]       Adding http-body v0.4.6
[INFO] [stderr]       Adding httparse v1.10.1
[INFO] [stderr]       Adding httpdate v1.0.3
[INFO] [stderr]       Adding hyper v0.14.32
[INFO] [stderr]       Adding hyper-tls v0.5.0
[INFO] [stderr]       Adding icu_collections v2.0.0
[INFO] [stderr]       Adding icu_locale_core v2.0.0
[INFO] [stderr]       Adding icu_normalizer v2.0.0
[INFO] [stderr]       Adding icu_normalizer_data v2.0.0
[INFO] [stderr]       Adding icu_properties v2.0.1
[INFO] [stderr]       Adding icu_properties_data v2.0.1
[INFO] [stderr]       Adding icu_provider v2.0.0
[INFO] [stderr]       Adding idna v1.1.0
[INFO] [stderr]       Adding idna_adapter v1.2.1
[INFO] [stderr]       Adding indexmap v2.11.4
[INFO] [stderr]       Adding ipnet v2.11.0
[INFO] [stderr]       Adding itoa v1.0.15
[INFO] [stderr]       Adding js-sys v0.3.81
[INFO] [stderr]       Adding libc v0.2.177
[INFO] [stderr]       Adding linux-raw-sys v0.11.0
[INFO] [stderr]       Adding litemap v0.8.0
[INFO] [stderr]       Adding log v0.4.28
[INFO] [stderr]       Adding memchr v2.7.6
[INFO] [stderr]       Adding mime v0.3.17
[INFO] [stderr]       Adding mio v1.1.0
[INFO] [stderr]       Adding native-tls v0.2.14
[INFO] [stderr]       Adding once_cell v1.21.3
[INFO] [stderr]       Adding openssl v0.10.74
[INFO] [stderr]       Adding openssl-macros v0.1.1
[INFO] [stderr]       Adding openssl-probe v0.1.6
[INFO] [stderr]       Adding openssl-sys v0.9.110
[INFO] [stderr]       Adding percent-encoding v2.3.2
[INFO] [stderr]       Adding pin-project-lite v0.2.16
[INFO] [stderr]       Adding pin-utils v0.1.0
[INFO] [stderr]       Adding pkg-config v0.3.32
[INFO] [stderr]       Adding potential_utf v0.1.3
[INFO] [stderr]       Adding proc-macro2 v1.0.101
[INFO] [stderr]       Adding quote v1.0.41
[INFO] [stderr]       Adding r-efi v5.3.0
[INFO] [stderr]       Adding reqwest v0.11.27 (available: v0.12.24)
[INFO] [stderr]       Adding rustix v1.1.2
[INFO] [stderr]       Adding rustls-pemfile v1.0.4
[INFO] [stderr]       Adding rustversion v1.0.22
[INFO] [stderr]       Adding ryu v1.0.20
[INFO] [stderr]       Adding schannel v0.1.28
[INFO] [stderr]       Adding security-framework v2.11.1
[INFO] [stderr]       Adding security-framework-sys v2.15.0
[INFO] [stderr]       Adding serde v1.0.228
[INFO] [stderr]       Adding serde_core v1.0.228
[INFO] [stderr]       Adding serde_derive v1.0.228
[INFO] [stderr]       Adding serde_json v1.0.145
[INFO] [stderr]       Adding serde_urlencoded v0.7.1
[INFO] [stderr]       Adding shlex v1.3.0
[INFO] [stderr]       Adding slab v0.4.11
[INFO] [stderr]       Adding smallvec v1.15.1
[INFO] [stderr]       Adding socket2 v0.5.10
[INFO] [stderr]       Adding socket2 v0.6.1
[INFO] [stderr]       Adding stable_deref_trait v1.2.1
[INFO] [stderr]       Adding syn v2.0.106
[INFO] [stderr]       Adding sync_wrapper v0.1.2
[INFO] [stderr]       Adding synstructure v0.13.2
[INFO] [stderr]       Adding system-configuration v0.5.1
[INFO] [stderr]       Adding system-configuration-sys v0.5.0
[INFO] [stderr]       Adding tempfile v3.23.0
[INFO] [stderr]       Adding tinystr v0.8.1
[INFO] [stderr]       Adding tokio v1.48.0
[INFO] [stderr]       Adding tokio-native-tls v0.3.1
[INFO] [stderr]       Adding tokio-util v0.7.16
[INFO] [stderr]       Adding tower-service v0.3.3
[INFO] [stderr]       Adding tracing v0.1.41
[INFO] [stderr]       Adding tracing-core v0.1.34
[INFO] [stderr]       Adding try-lock v0.2.5
[INFO] [stderr]       Adding unicode-ident v1.0.19
[INFO] [stderr]       Adding url v2.5.7
[INFO] [stderr]       Adding utf8_iter v1.0.4
[INFO] [stderr]       Adding vcpkg v0.2.15
[INFO] [stderr]       Adding want v0.3.1
[INFO] [stderr]       Adding wasi v0.11.1+wasi-snapshot-preview1
[INFO] [stderr]       Adding wasip2 v1.0.1+wasi-0.2.4
[INFO] [stderr]       Adding wasm-bindgen v0.2.104
[INFO] [stderr]       Adding wasm-bindgen-backend v0.2.104
[INFO] [stderr]       Adding wasm-bindgen-futures v0.4.54
[INFO] [stderr]       Adding wasm-bindgen-macro v0.2.104
[INFO] [stderr]       Adding wasm-bindgen-macro-support v0.2.104
[INFO] [stderr]       Adding wasm-bindgen-shared v0.2.104
[INFO] [stderr]       Adding web-sys v0.3.81
[INFO] [stderr]       Adding windows-link v0.2.1
[INFO] [stderr]       Adding windows-sys v0.48.0
[INFO] [stderr]       Adding windows-sys v0.52.0
[INFO] [stderr]       Adding windows-sys v0.60.2
[INFO] [stderr]       Adding windows-sys v0.61.2
[INFO] [stderr]       Adding windows-targets v0.48.5
[INFO] [stderr]       Adding windows-targets v0.52.6
[INFO] [stderr]       Adding windows-targets v0.53.5
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.52.6
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.53.1
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5
[INFO] [stderr]       Adding windows_aarch64_msvc v0.52.6
[INFO] [stderr]       Adding windows_aarch64_msvc v0.53.1
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5
[INFO] [stderr]       Adding windows_i686_gnu v0.52.6
[INFO] [stderr]       Adding windows_i686_gnu v0.53.1
[INFO] [stderr]       Adding windows_i686_gnullvm v0.52.6
[INFO] [stderr]       Adding windows_i686_gnullvm v0.53.1
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5
[INFO] [stderr]       Adding windows_i686_msvc v0.52.6
[INFO] [stderr]       Adding windows_i686_msvc v0.53.1
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5
[INFO] [stderr]       Adding windows_x86_64_gnu v0.52.6
[INFO] [stderr]       Adding windows_x86_64_gnu v0.53.1
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.52.6
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.53.1
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5
[INFO] [stderr]       Adding windows_x86_64_msvc v0.52.6
[INFO] [stderr]       Adding windows_x86_64_msvc v0.53.1
[INFO] [stderr]       Adding winreg v0.50.0
[INFO] [stderr]       Adding wit-bindgen v0.46.0
[INFO] [stderr]       Adding writeable v0.6.1
[INFO] [stderr]       Adding yoke v0.8.0
[INFO] [stderr]       Adding yoke-derive v0.8.0
[INFO] [stderr]       Adding zerofrom v0.1.6
[INFO] [stderr]       Adding zerofrom-derive v0.1.6
[INFO] [stderr]       Adding zerotrie v0.2.2
[INFO] [stderr]       Adding zerovec v0.11.4
[INFO] [stderr]       Adding zerovec-derive v0.11.1
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded form_urlencoded v1.2.2
[INFO] [stderr]   Downloaded tempfile v3.23.0
[INFO] [stderr]   Downloaded potential_utf v0.1.3
[INFO] [stderr]   Downloaded zerovec v0.11.4
[INFO] [stderr]   Downloaded security-framework-sys v2.15.0
[INFO] [stderr]   Downloaded h2 v0.3.27
[INFO] [stderr]   Downloaded mio v1.1.0
[INFO] [stderr]   Downloaded schannel v0.1.28
[INFO] [stderr]   Downloaded openssl-sys v0.9.110
[INFO] [stderr]   Downloaded url v2.5.7
[INFO] [stderr]   Downloaded socket2 v0.6.1
[INFO] [stderr]   Downloaded tokio-util v0.7.16
[INFO] [stderr]   Downloaded tokio v1.48.0
[INFO] [stderr]   Downloaded idna v1.1.0
[INFO] [stderr]   Downloaded openssl v0.10.74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c1eb320011b3771fbf4c971d87e55b85733e23d6b46cc74420aca255f73251a
[INFO] running `Command { std: "docker" "start" "-a" "2c1eb320011b3771fbf4c971d87e55b85733e23d6b46cc74420aca255f73251a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c1eb320011b3771fbf4c971d87e55b85733e23d6b46cc74420aca255f73251a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c1eb320011b3771fbf4c971d87e55b85733e23d6b46cc74420aca255f73251a", kill_on_drop: false }`
[INFO] [stdout] 2c1eb320011b3771fbf4c971d87e55b85733e23d6b46cc74420aca255f73251a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3309e66d4558282773a952951e4327157763cf2d5be613228442b3e7f7bd8a89
[INFO] running `Command { std: "docker" "start" "-a" "3309e66d4558282773a952951e4327157763cf2d5be613228442b3e7f7bd8a89", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling find-msvc-tools v0.1.4
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]    Compiling cc v1.2.41
[INFO] [stderr]     Checking writeable v0.6.1
[INFO] [stderr]     Checking litemap v0.8.0
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling openssl v0.10.74
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking hashbrown v0.16.0
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking bitflags v2.9.4
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking equivalent v1.0.2
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking indexmap v2.11.4
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]     Checking percent-encoding v2.3.2
[INFO] [stderr]     Checking slab v0.4.11
[INFO] [stderr]     Checking openssl-probe v0.1.6
[INFO] [stderr]     Checking mio v1.1.0
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]    Compiling openssl-sys v0.9.110
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking tower-service v0.3.3
[INFO] [stderr]     Checking utf8_iter v1.0.4
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]     Checking ipnet v2.11.0
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]     Checking tokio-util v0.7.16
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking h2 v0.3.27
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking yoke v0.8.0
[INFO] [stderr]     Checking zerovec v0.11.4
[INFO] [stderr]     Checking zerotrie v0.2.2
[INFO] [stderr]     Checking tinystr v0.8.1
[INFO] [stderr]     Checking potential_utf v0.1.3
[INFO] [stderr]     Checking icu_collections v2.0.0
[INFO] [stderr]     Checking icu_locale_core v2.0.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking icu_provider v2.0.0
[INFO] [stderr]     Checking hyper v0.14.32
[INFO] [stderr]     Checking icu_properties v2.0.1
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking url v2.5.7
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.27
[INFO] [stderr]     Checking temp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         [x,y,z,a,b]=>println!("y is {y}"),
[INFO] [stdout]    |         ----------- matches all the relevant values
[INFO] [stdout] 93 |         _=>println!("all elements are ignored"),
[INFO] [stdout]    |         ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let mut r=&k;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let mut peter=Person{
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/main.rs:92:10
[INFO] [stdout]    |
[INFO] [stdout] 92 |         [x,y,z,a,b]=>println!("y is {y}"),
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]   --> src/main.rs:92:14
[INFO] [stdout]    |
[INFO] [stdout] 92 |         [x,y,z,a,b]=>println!("y is {y}"),
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/main.rs:92:16
[INFO] [stdout]    |
[INFO] [stdout] 92 |         [x,y,z,a,b]=>println!("y is {y}"),
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/main.rs:92:18
[INFO] [stdout]    |
[INFO] [stdout] 92 |         [x,y,z,a,b]=>println!("y is {y}"),
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]   --> src/main.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Point(i32,i32);
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Right` is never constructed
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | enum Direction{
[INFO] [stdout]    |      --------- variant in this enum
[INFO] [stdout] 26 |     Left,
[INFO] [stdout] 27 |     Right,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Direction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Run(Direction),              // Tuple variant
[INFO] [stdout]    |     --- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PlayerMove` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 33 -     Run(Direction),              // Tuple variant
[INFO] [stdout] 33 +     Run(()),              // Tuple variant
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Pass` and `Teleport` are never constructed
[INFO] [stdout]   --> src/main.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | enum PlayerMove {
[INFO] [stdout]    |      ---------- variants in this enum
[INFO] [stdout] 32 |     Pass,                        // Simple variant
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 33 |     Run(Direction),              // Tuple variant
[INFO] [stdout] 34 |     Teleport {x : u32, y: u32 }, // Struct variant
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PlayerMove` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         [x,y,z,a,b]=>println!("y is {y}"),
[INFO] [stdout]    |         ----------- matches all the relevant values
[INFO] [stdout] 93 |         _=>println!("all elements are ignored"),
[INFO] [stdout]    |         ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let mut r=&k;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let mut peter=Person{
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/main.rs:92:10
[INFO] [stdout]    |
[INFO] [stdout] 92 |         [x,y,z,a,b]=>println!("y is {y}"),
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]   --> src/main.rs:92:14
[INFO] [stdout]    |
[INFO] [stdout] 92 |         [x,y,z,a,b]=>println!("y is {y}"),
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/main.rs:92:16
[INFO] [stdout]    |
[INFO] [stdout] 92 |         [x,y,z,a,b]=>println!("y is {y}"),
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/main.rs:92:18
[INFO] [stdout]    |
[INFO] [stdout] 92 |         [x,y,z,a,b]=>println!("y is {y}"),
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]   --> src/main.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Point(i32,i32);
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Right` is never constructed
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | enum Direction{
[INFO] [stdout]    |      --------- variant in this enum
[INFO] [stdout] 26 |     Left,
[INFO] [stdout] 27 |     Right,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Direction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Run(Direction),              // Tuple variant
[INFO] [stdout]    |     --- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PlayerMove` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 33 -     Run(Direction),              // Tuple variant
[INFO] [stdout] 33 +     Run(()),              // Tuple variant
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Pass` and `Teleport` are never constructed
[INFO] [stdout]   --> src/main.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | enum PlayerMove {
[INFO] [stdout]    |      ---------- variants in this enum
[INFO] [stdout] 32 |     Pass,                        // Simple variant
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 33 |     Run(Direction),              // Tuple variant
[INFO] [stdout] 34 |     Teleport {x : u32, y: u32 }, // Struct variant
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PlayerMove` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> src/main.rs:133:8
[INFO] [stdout]     |
[INFO] [stdout] 133 |     fn main() {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 51.81s
[INFO] running `Command { std: "docker" "inspect" "3309e66d4558282773a952951e4327157763cf2d5be613228442b3e7f7bd8a89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3309e66d4558282773a952951e4327157763cf2d5be613228442b3e7f7bd8a89", kill_on_drop: false }`
[INFO] [stdout] 3309e66d4558282773a952951e4327157763cf2d5be613228442b3e7f7bd8a89
