[INFO] cloning repository https://github.com/Jim124/playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jim124/playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJim124%2Fplayground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJim124%2Fplayground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0772d60b8b5d3b8f57abca80da87e7f070cd7b20 [INFO] building Jim124/playground against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJim124%2Fplayground" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Jim124/playground [INFO] finished tweaking git repo https://github.com/Jim124/playground [INFO] tweaked toml for git repo https://github.com/Jim124/playground written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Jim124/playground on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Jim124/playground 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded petgraph v0.6.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d4a19ec69504fe0047f46ced2a920be3101aea449cd2abf26e9546acf4c8d643 [INFO] running `Command { std: "docker" "start" "-a" "d4a19ec69504fe0047f46ced2a920be3101aea449cd2abf26e9546acf4c8d643", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d4a19ec69504fe0047f46ced2a920be3101aea449cd2abf26e9546acf4c8d643", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4a19ec69504fe0047f46ced2a920be3101aea449cd2abf26e9546acf4c8d643", kill_on_drop: false }` [INFO] [stdout] d4a19ec69504fe0047f46ced2a920be3101aea449cd2abf26e9546acf4c8d643 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d782db3c7e9773025afa666bc65f3f6a5d438870360660f0a6176b179df45fa5 [INFO] running `Command { std: "docker" "start" "-a" "d782db3c7e9773025afa666bc65f3f6a5d438870360660f0a6176b179df45fa5", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.92 [INFO] [stderr] Compiling unicode-ident v1.0.14 [INFO] [stderr] Compiling serde v1.0.217 [INFO] [stderr] Compiling indexmap v2.5.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling byte-slice-cast v1.2.2 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling zeroize v1.8.1 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Compiling der v0.7.9 [INFO] [stderr] Compiling serde_json v1.0.134 [INFO] [stderr] Compiling regex-automata v0.4.9 [INFO] [stderr] Compiling ff v0.13.0 [INFO] [stderr] Compiling ring v0.17.8 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling semver v1.0.24 [INFO] [stderr] Compiling group v0.13.0 [INFO] [stderr] Compiling camino v1.1.9 [INFO] [stderr] Compiling rustix v0.38.42 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.99 [INFO] [stderr] Compiling hex v0.4.3 [INFO] [stderr] Compiling uint v0.9.5 [INFO] [stderr] Compiling crypto-common v0.1.6 [INFO] [stderr] Compiling block-buffer v0.10.4 [INFO] [stderr] 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[stderr] Compiling http-body v0.4.6 [INFO] [stderr] Compiling http-body v1.0.1 [INFO] [stderr] Compiling http-body-util v0.1.2 [INFO] [stderr] Compiling icu_normalizer v1.5.0 [INFO] [stderr] Compiling gloo-timers v0.2.6 [INFO] [stderr] Compiling toml v0.8.19 [INFO] [stderr] Compiling futures-timer v3.0.3 [INFO] [stderr] Compiling proc-macro-crate v3.2.0 [INFO] [stderr] Compiling idna_adapter v1.2.0 [INFO] [stderr] Compiling idna v1.0.3 [INFO] [stderr] Compiling url v2.5.4 [INFO] [stderr] Compiling parity-scale-codec-derive v3.6.12 [INFO] [stderr] Compiling scale-info-derive v2.11.6 [INFO] [stderr] Compiling num_enum_derive v0.7.3 [INFO] [stderr] Compiling tungstenite v0.20.1 [INFO] [stderr] Compiling num_enum v0.7.3 [INFO] [stderr] Compiling parity-scale-codec v3.6.12 [INFO] [stderr] Compiling impl-codec v0.6.0 [INFO] [stderr] Compiling scale-info v2.11.6 [INFO] [stderr] Compiling ethbloom v0.13.0 [INFO] [stderr] Compiling primitive-types v0.12.2 [INFO] [stderr] Compiling tokio-util v0.7.13 [INFO] [stderr] Compiling tokio-rustls v0.24.1 [INFO] [stderr] Compiling tokio-native-tls v0.3.1 [INFO] [stderr] Compiling tower v0.5.2 [INFO] [stderr] Compiling tokio-tungstenite v0.20.1 [INFO] [stderr] Compiling h2 v0.3.26 [INFO] [stderr] Compiling h2 v0.4.7 [INFO] [stderr] Compiling ethereum-types v0.14.1 [INFO] [stderr] Compiling ethabi v18.0.0 [INFO] [stderr] Compiling open-fastrlp v0.1.4 [INFO] [stderr] Compiling ethers-core v2.0.14 [INFO] [stderr] Compiling hyper v1.5.2 [INFO] [stderr] Compiling hyper v0.14.32 [INFO] [stderr] Compiling hyper-util v0.1.10 [INFO] [stderr] Compiling hyper-tls v0.6.0 [INFO] [stderr] Compiling reqwest v0.12.12 [INFO] [stderr] Compiling hyper-rustls v0.24.2 [INFO] [stderr] Compiling reqwest v0.11.27 [INFO] [stderr] Compiling ethers-contract-abigen v2.0.14 [INFO] [stderr] Compiling ethers-providers v2.0.14 [INFO] [stderr] Compiling ethers-signers v2.0.14 [INFO] [stderr] Compiling ethers-etherscan v2.0.14 [INFO] [stderr] Compiling ethers-addressbook v2.0.14 [INFO] [stderr] Compiling ethers-contract-derive v2.0.14 [INFO] [stderr] Compiling ethers-contract v2.0.14 [INFO] [stderr] Compiling ethers-middleware v2.0.14 [INFO] [stderr] Compiling ethers v2.0.14 [INFO] [stderr] Compiling playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: enum `CarColor` is never used [INFO] [stdout] --> src/m1_enums.rs:2:6 [INFO] [stdout] | [INFO] [stdout] 2 | enum CarColor { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `create_car_color_blue` is never used [INFO] [stdout] --> src/m1_enums.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn create_car_color_blue() -> CarColor { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `check_result_built_in` is never used [INFO] [stdout] --> src/m1_enums.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn check_result_built_in(num: u8) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `reminder_option_built_in` is never used [INFO] [stdout] --> src/m1_enums.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | fn reminder_option_built_in(num: f32) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `User` is never constructed [INFO] [stdout] --> src/m2_structs.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | struct User { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `increment_sign_in_account` and `change_email` are never used [INFO] [stdout] --> src/m2_structs.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 9 | impl User { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] 10 | fn increment_sign_in_account(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 13 | fn change_email(&mut self, new_email: &str) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Attacker` is never used [INFO] [stdout] --> src/m3_traits.rs:1:7 [INFO] [stdout] | [INFO] [stdout] 1 | trait Attacker { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Character` is never used [INFO] [stdout] --> src/m3_traits.rs:5:6 [INFO] [stdout] | [INFO] [stdout] 5 | enum Character { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `EthereumAddress` is never used [INFO] [stdout] --> src/m4_polymorphism.rs:4:7 [INFO] [stdout] | [INFO] [stdout] 4 | trait EthereumAddress { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_ethereum_date` is never used [INFO] [stdout] --> src/m4_polymorphism.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn get_ethereum_date(address: T) -> Address { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Message` is never used [INFO] [stdout] --> src/m6_matches.rs:2:6 [INFO] [stdout] | [INFO] [stdout] 2 | enum Message { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `process_message` is never used [INFO] [stdout] --> src/m6_matches.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn process_message(message: Message) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `my_async_call` is never used [INFO] [stdout] --> src/m7_async.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | async fn my_async_call(url: &str) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `async_call` is never used [INFO] [stdout] --> src/m8_handle_error.rs:3:10 [INFO] [stdout] | [INFO] [stdout] 3 | async fn async_call(url: &str) -> Result { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 31s [INFO] running `Command { std: "docker" "inspect" "d782db3c7e9773025afa666bc65f3f6a5d438870360660f0a6176b179df45fa5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d782db3c7e9773025afa666bc65f3f6a5d438870360660f0a6176b179df45fa5", kill_on_drop: false }` [INFO] [stdout] d782db3c7e9773025afa666bc65f3f6a5d438870360660f0a6176b179df45fa5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] efde8038bde0869ec231e9fd76f21e9143882fa519c0288abd6931fec048c8b2 [INFO] running `Command { std: "docker" "start" "-a" "efde8038bde0869ec231e9fd76f21e9143882fa519c0288abd6931fec048c8b2", kill_on_drop: false }` [INFO] [stderr] Compiling playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `prob_none` [INFO] [stdout] --> src/m6_matches.rs:42:13 [INFO] [stdout] | [INFO] [stdout] 42 | let prob_none: Option = None; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prob_none` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `some_err` [INFO] [stdout] --> src/m6_matches.rs:67:13 [INFO] [stdout] | [INFO] [stdout] 67 | let some_err: Result = Err("There was en err"); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/m6_matches.rs:113:24 [INFO] [stdout] | [INFO] [stdout] 113 | Location { x, y: 0 } => println!("Y is on the axis"), [INFO] [stdout] | ^ help: try ignoring the field: `x: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/m6_matches.rs:114:30 [INFO] [stdout] | [INFO] [stdout] 114 | Location { x: 0, y } => println!("X is on the axis"), [INFO] [stdout] | ^ help: try ignoring the field: `y: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/m6_matches.rs:115:24 [INFO] [stdout] | [INFO] [stdout] 115 | Location { x, y } => println!("x and y are not on the axis"), [INFO] [stdout] | ^ help: try ignoring the field: `x: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/m6_matches.rs:115:27 [INFO] [stdout] | [INFO] [stdout] 115 | Location { x, y } => println!("x and y are not on the axis"), [INFO] [stdout] | ^ help: try ignoring the field: `y: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Red`, `Green`, and `Silver` are never constructed [INFO] [stdout] --> src/m1_enums.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | enum CarColor { [INFO] [stdout] | -------- variants in this enum [INFO] [stdout] 3 | Red, [INFO] [stdout] | ^^^ [INFO] [stdout] 4 | Blue, [INFO] [stdout] 5 | Green, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 6 | Silver, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CarColor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `username` and `active` are never read [INFO] [stdout] --> src/m2_structs.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | struct User { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 3 | username: String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 6 | active: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Warrior` and `Wizard` are never constructed [INFO] [stdout] --> src/m3_traits.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | enum Character { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] 6 | Warrior, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 7 | Archer, [INFO] [stdout] 8 | Wizard, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `EthereumAddress` is never used [INFO] [stdout] --> src/m4_polymorphism.rs:4:7 [INFO] [stdout] | [INFO] [stdout] 4 | trait EthereumAddress { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_ethereum_date` is never used [INFO] [stdout] --> src/m4_polymorphism.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn get_ethereum_date(address: T) -> Address { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.90s [INFO] running `Command { std: "docker" "inspect" "efde8038bde0869ec231e9fd76f21e9143882fa519c0288abd6931fec048c8b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "efde8038bde0869ec231e9fd76f21e9143882fa519c0288abd6931fec048c8b2", kill_on_drop: false }` [INFO] [stdout] efde8038bde0869ec231e9fd76f21e9143882fa519c0288abd6931fec048c8b2