[INFO] cloning repository https://github.com/dreamerldq/learning-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dreamerldq/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdreamerldq%2Flearning-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdreamerldq%2Flearning-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4f866f5d766e0c3df99b626dcaa065b6e88ee0a1 [INFO] testing dreamerldq/learning-rust against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdreamerldq%2Flearning-rust" "/workspace/builds/worker-117/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-117/source'... [INFO] [stderr] done. 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[INFO] validating manifest of git repo https://github.com/dreamerldq/learning-rust on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dreamerldq/learning-rust [INFO] finished tweaking git repo https://github.com/dreamerldq/learning-rust [INFO] tweaked toml for git repo https://github.com/dreamerldq/learning-rust written to /workspace/builds/worker-117/source/Cargo.toml [INFO] crate git repo https://github.com/dreamerldq/learning-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded string_cache v0.8.3 [INFO] [stderr] Downloaded html5ever v0.25.2 [INFO] [stderr] Downloaded xml5ever v0.16.2 [INFO] [stderr] Downloaded html2md v0.2.13 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ca0610995913fb595e61a618e7e5fbfbf672d3635947c2a2e852f9cbad7d3e73 [INFO] running `Command { std: "docker" "start" "-a" "ca0610995913fb595e61a618e7e5fbfbf672d3635947c2a2e852f9cbad7d3e73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ca0610995913fb595e61a618e7e5fbfbf672d3635947c2a2e852f9cbad7d3e73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca0610995913fb595e61a618e7e5fbfbf672d3635947c2a2e852f9cbad7d3e73", kill_on_drop: false }` [INFO] [stdout] ca0610995913fb595e61a618e7e5fbfbf672d3635947c2a2e852f9cbad7d3e73 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2f0d487df5ee8a0bfa9b0a83d63932826dcac27a4271568e046134797d7725cd [INFO] running `Command { std: "docker" "start" "-a" "2f0d487df5ee8a0bfa9b0a83d63932826dcac27a4271568e046134797d7725cd", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.121 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling siphasher v0.3.10 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling pkg-config v0.3.24 [INFO] [stderr] Compiling pin-project-lite v0.2.8 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling bytes v1.1.0 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling smallvec v1.8.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling mac v0.1.1 [INFO] [stderr] Compiling syn v1.0.89 [INFO] [stderr] Compiling itoa v1.0.1 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling openssl v0.10.38 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling utf-8 v0.7.6 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling native-tls v0.2.8 [INFO] [stderr] Compiling slab v0.4.5 [INFO] [stderr] Compiling once_cell v1.10.0 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling futures-sink v0.3.21 [INFO] [stderr] Compiling tinyvec_macros v0.1.0 [INFO] [stderr] Compiling httparse v1.6.0 [INFO] [stderr] Compiling matches v0.1.9 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling futures-io v0.3.21 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling try-lock v0.2.3 [INFO] [stderr] Compiling openssl-probe v0.1.5 [INFO] [stderr] Compiling encoding_rs v0.8.30 [INFO] [stderr] Compiling tower-service v0.3.1 [INFO] [stderr] Compiling httpdate v1.0.2 [INFO] [stderr] Compiling unicode-bidi v0.3.7 [INFO] [stderr] Compiling ryu v1.0.9 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling ipnet v2.4.0 [INFO] [stderr] Compiling mime v0.3.16 [INFO] [stderr] Compiling base64 v0.13.0 [INFO] [stderr] Compiling world_hello v0.1.0 (/opt/rustwide/workdir/learning) [INFO] [stderr] Compiling foreign-types v0.3.2 [INFO] [stderr] Compiling tracing-core v0.1.23 [INFO] [stderr] Compiling instant v0.1.12 [INFO] [stderr] Compiling tinyvec v1.5.1 [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> learning/src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | never_return(); [INFO] [stdout] | -------------- any code following this expression is unreachable [INFO] [stdout] 8 | assert_eq!(s, 3); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> learning/src/main.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let s = sum(x, y); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tracing v0.1.32 [INFO] [stderr] Compiling form_urlencoded v1.0.1 [INFO] [stderr] Compiling futf v0.1.5 [INFO] [stderr] Compiling lock_api v0.4.6 [INFO] [stderr] Compiling http v0.2.6 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling phf_shared v0.10.0 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Compiling tendril v0.4.2 [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling phf v0.8.0 [INFO] [stderr] Compiling unicode-normalization v0.1.19 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling openssl-sys v0.9.72 [INFO] [stderr] Compiling quote v1.0.17 [INFO] [stderr] Compiling socket2 v0.4.4 [INFO] [stderr] Compiling mio v0.8.2 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling idna v0.2.3 [INFO] [stderr] Compiling regex v1.5.5 [INFO] [stderr] Compiling http-body v0.4.4 [INFO] [stderr] Compiling serde_urlencoded v0.7.1 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling parking_lot v0.11.2 [INFO] [stderr] Compiling tokio v1.17.0 [INFO] [stderr] Compiling url v2.2.2 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling string_cache v0.8.3 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Compiling string_cache_codegen v0.5.1 [INFO] [stderr] Compiling phf_codegen v0.8.0 [INFO] [stderr] Compiling markup5ever v0.10.1 [INFO] [stderr] Compiling tokio-util v0.6.9 [INFO] [stderr] Compiling tokio-native-tls v0.3.0 [INFO] [stderr] Compiling h2 v0.3.12 [INFO] [stderr] Compiling xml5ever v0.16.2 [INFO] [stderr] Compiling html5ever v0.25.2 [INFO] [stderr] Compiling hyper v0.14.18 [INFO] [stderr] Compiling markup5ever_rcdom v0.1.0 [INFO] [stderr] Compiling html2md v0.2.13 [INFO] [stderr] Compiling hyper-tls v0.5.0 [INFO] [stderr] Compiling reqwest v0.11.10 [INFO] [stderr] Compiling practice v0.1.0 (/opt/rustwide/workdir/practice) [INFO] [stdout] warning: variant `ipv4` should have an upper camel case name [INFO] [stdout] --> practice/src/main.rs:28:3 [INFO] [stdout] | [INFO] [stdout] 28 | ipv4, [INFO] [stdout] | ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Ipv4` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `ipv6` should have an upper camel case name [INFO] [stdout] --> practice/src/main.rs:29:3 [INFO] [stdout] | [INFO] [stdout] 29 | ipv6, [INFO] [stdout] | ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Ipv6` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::option` [INFO] [stdout] --> practice/src/main.rs:106:5 [INFO] [stdout] | [INFO] [stdout] 106 | use std::option; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning[E0170]: pattern binding `ipv6` is named the same as one of the variants of the type `IpAddressType` [INFO] [stdout] --> practice/src/main.rs:74:7 [INFO] [stdout] | [INFO] [stdout] 74 | let ipv6 = IpAddressType::ipv6; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bindings_with_variant_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning[E0170]: pattern binding `ipv4` is named the same as one of the variants of the type `IpAddressType` [INFO] [stdout] --> practice/src/main.rs:75:7 [INFO] [stdout] | [INFO] [stdout] 75 | let ipv4 = IpAddressType::ipv4; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ipv6` [INFO] [stdout] --> practice/src/main.rs:74:7 [INFO] [stdout] | [INFO] [stdout] 74 | let ipv6 = IpAddressType::ipv6; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_ipv6` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `coin` [INFO] [stdout] --> practice/src/main.rs:83:7 [INFO] [stdout] | [INFO] [stdout] 83 | let coin = Coin::Penny; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_coin` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nickel` [INFO] [stdout] --> practice/src/main.rs:21:3 [INFO] [stdout] | [INFO] [stdout] 21 | Nickel, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Dime` [INFO] [stdout] --> practice/src/main.rs:22:3 [INFO] [stdout] | [INFO] [stdout] 22 | Dime, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Allabama` [INFO] [stdout] --> practice/src/main.rs:33:3 [INFO] [stdout] | [INFO] [stdout] 33 | Allabama, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `UsState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> practice/src/main.rs:31:10 [INFO] [stdout] | [INFO] [stdout] 31 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Address` [INFO] [stdout] --> practice/src/main.rs:39:3 [INFO] [stdout] | [INFO] [stdout] 39 | Address(String), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> practice/src/main.rs:37:10 [INFO] [stdout] | [INFO] [stdout] 37 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Age` [INFO] [stdout] --> practice/src/main.rs:40:3 [INFO] [stdout] | [INFO] [stdout] 40 | Age(String), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> practice/src/main.rs:37:10 [INFO] [stdout] | [INFO] [stdout] 37 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `title` [INFO] [stdout] --> practice/src/main.rs:42:10 [INFO] [stdout] | [INFO] [stdout] 42 | School{title:String, location:String} [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> practice/src/main.rs:37:10 [INFO] [stdout] | [INFO] [stdout] 37 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `location` [INFO] [stdout] --> practice/src/main.rs:42:24 [INFO] [stdout] | [INFO] [stdout] 42 | School{title:String, location:String} [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> practice/src/main.rs:37:10 [INFO] [stdout] | [INFO] [stdout] 37 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0170`. [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 06s [INFO] running `Command { std: "docker" "inspect" "2f0d487df5ee8a0bfa9b0a83d63932826dcac27a4271568e046134797d7725cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f0d487df5ee8a0bfa9b0a83d63932826dcac27a4271568e046134797d7725cd", kill_on_drop: false }` [INFO] [stdout] 2f0d487df5ee8a0bfa9b0a83d63932826dcac27a4271568e046134797d7725cd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9115bdaaffe8f5b4ccbd23377d0e2ba076d5f0ea456fee23a852d489d90c6329 [INFO] running `Command { std: "docker" "start" "-a" "9115bdaaffe8f5b4ccbd23377d0e2ba076d5f0ea456fee23a852d489d90c6329", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling world_hello v0.1.0 (/opt/rustwide/workdir/learning) [INFO] [stderr] Compiling practice v0.1.0 (/opt/rustwide/workdir/practice) [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> learning/src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | never_return(); [INFO] [stdout] | -------------- any code following this expression is unreachable [INFO] [stdout] 8 | assert_eq!(s, 3); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `ipv4` should have an upper camel case name [INFO] [stdout] --> practice/src/main.rs:28:3 [INFO] [stdout] | [INFO] [stdout] 28 | ipv4, [INFO] [stdout] | ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Ipv4` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `ipv6` should have an upper camel case name [INFO] [stdout] --> practice/src/main.rs:29:3 [INFO] [stdout] | [INFO] [stdout] 29 | ipv6, [INFO] [stdout] | ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Ipv6` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::option` [INFO] [stdout] --> practice/src/main.rs:106:5 [INFO] [stdout] | [INFO] [stdout] 106 | use std::option; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> learning/src/main.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let s = sum(x, y); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning[E0170]: pattern binding `ipv6` is named the same as one of the variants of the type `IpAddressType` [INFO] [stdout] --> practice/src/main.rs:74:7 [INFO] [stdout] | [INFO] [stdout] 74 | let ipv6 = IpAddressType::ipv6; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bindings_with_variant_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning[E0170]: pattern binding `ipv4` is named the same as one of the variants of the type `IpAddressType` [INFO] [stdout] --> practice/src/main.rs:75:7 [INFO] [stdout] | [INFO] [stdout] 75 | let ipv4 = IpAddressType::ipv4; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ipv6` [INFO] [stdout] --> practice/src/main.rs:74:7 [INFO] [stdout] | [INFO] [stdout] 74 | let ipv6 = IpAddressType::ipv6; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_ipv6` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `coin` [INFO] [stdout] --> practice/src/main.rs:83:7 [INFO] [stdout] | [INFO] [stdout] 83 | let coin = Coin::Penny; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_coin` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nickel` [INFO] [stdout] --> practice/src/main.rs:21:3 [INFO] [stdout] | [INFO] [stdout] 21 | Nickel, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Dime` [INFO] [stdout] --> practice/src/main.rs:22:3 [INFO] [stdout] | [INFO] [stdout] 22 | Dime, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Allabama` [INFO] [stdout] --> practice/src/main.rs:33:3 [INFO] [stdout] | [INFO] [stdout] 33 | Allabama, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `UsState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> practice/src/main.rs:31:10 [INFO] [stdout] | [INFO] [stdout] 31 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Address` [INFO] [stdout] --> practice/src/main.rs:39:3 [INFO] [stdout] | [INFO] [stdout] 39 | Address(String), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> practice/src/main.rs:37:10 [INFO] [stdout] | [INFO] [stdout] 37 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Age` [INFO] [stdout] --> practice/src/main.rs:40:3 [INFO] [stdout] | [INFO] [stdout] 40 | Age(String), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> practice/src/main.rs:37:10 [INFO] [stdout] | [INFO] [stdout] 37 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `title` [INFO] [stdout] --> practice/src/main.rs:42:10 [INFO] [stdout] | [INFO] [stdout] 42 | School{title:String, location:String} [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> practice/src/main.rs:37:10 [INFO] [stdout] | [INFO] [stdout] 37 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `location` [INFO] [stdout] --> practice/src/main.rs:42:24 [INFO] [stdout] | [INFO] [stdout] 42 | School{title:String, location:String} [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> practice/src/main.rs:37:10 [INFO] [stdout] | [INFO] [stdout] 37 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.20s [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0170`. [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9115bdaaffe8f5b4ccbd23377d0e2ba076d5f0ea456fee23a852d489d90c6329", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9115bdaaffe8f5b4ccbd23377d0e2ba076d5f0ea456fee23a852d489d90c6329", kill_on_drop: false }` [INFO] [stdout] 9115bdaaffe8f5b4ccbd23377d0e2ba076d5f0ea456fee23a852d489d90c6329 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 61186e1b0416fe95ea74a7efe32f5d2e35e582095bc351d449fbe65fcee53b72 [INFO] running `Command { std: "docker" "start" "-a" "61186e1b0416fe95ea74a7efe32f5d2e35e582095bc351d449fbe65fcee53b72", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unreachable statement [INFO] [stdout] [INFO] [stderr] --> learning/src/main.rs:8:5 [INFO] [stdout] running 0 tests [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 7 | never_return(); [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | -------------- any code following this expression is unreachable [INFO] [stdout] [INFO] [stderr] 8 | assert_eq!(s, 3); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] = note: this warning originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> learning/src/main.rs:5:9 [INFO] [stderr] | [INFO] [stderr] 5 | let s = sum(x, y); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `world_hello` (bin "world_hello" test) generated 2 warnings [INFO] [stderr] warning: variant `ipv4` should have an upper camel case name [INFO] [stderr] --> practice/src/main.rs:28:3 [INFO] [stderr] | [INFO] [stderr] 28 | ipv4, [INFO] [stderr] | ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Ipv4` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant `ipv6` should have an upper camel case name [INFO] [stderr] --> practice/src/main.rs:29:3 [INFO] [stderr] | [INFO] [stderr] 29 | ipv6, [INFO] [stderr] | ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Ipv6` [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::option` [INFO] [stderr] --> practice/src/main.rs:106:5 [INFO] [stderr] | [INFO] [stderr] 106 | use std::option; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning[E0170]: pattern binding `ipv6` is named the same as one of the variants of the type `IpAddressType` [INFO] [stderr] --> practice/src/main.rs:74:7 [INFO] [stderr] | [INFO] [stderr] 74 | let ipv6 = IpAddressType::ipv6; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bindings_with_variant_name)]` on by default [INFO] [stderr] [INFO] [stderr] warning[E0170]: pattern binding `ipv4` is named the same as one of the variants of the type `IpAddressType` [INFO] [stderr] --> practice/src/main.rs:75:7 [INFO] [stderr] | [INFO] [stderr] 75 | let ipv4 = IpAddressType::ipv4; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ipv6` [INFO] [stderr] --> practice/src/main.rs:74:7 [INFO] [stderr] | [INFO] [stderr] 74 | let ipv6 = IpAddressType::ipv6; [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_ipv6` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `coin` [INFO] [stderr] --> practice/src/main.rs:83:7 [INFO] [stderr] | [INFO] [stderr] 83 | let coin = Coin::Penny; [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_coin` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Nickel` [INFO] [stderr] --> practice/src/main.rs:21:3 [INFO] [stderr] | [INFO] [stderr] 21 | Nickel, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Dime` [INFO] [stderr] --> practice/src/main.rs:22:3 [INFO] [stderr] | [INFO] [stderr] 22 | Dime, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Allabama` [INFO] [stderr] --> practice/src/main.rs:33:3 [INFO] [stderr] | [INFO] [stderr] 33 | Allabama, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `UsState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> practice/src/main.rs:31:10 [INFO] [stderr] | [INFO] [stderr] 31 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Address` [INFO] [stderr] --> practice/src/main.rs:39:3 [INFO] [stderr] | [INFO] [stderr] 39 | Address(String), [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> practice/src/main.rs:37:10 [INFO] [stderr] | [INFO] [stderr] 37 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Age` [INFO] [stderr] --> practice/src/main.rs:40:3 [INFO] [stderr] | [INFO] [stderr] 40 | Age(String), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> practice/src/main.rs:37:10 [INFO] [stderr] | [INFO] [stderr] 37 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `title` [INFO] [stderr] --> practice/src/main.rs:42:10 [INFO] [stderr] | [INFO] [stderr] 42 | School{title:String, location:String} [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> practice/src/main.rs:37:10 [INFO] [stderr] | [INFO] [stderr] 37 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `location` [INFO] [stderr] --> practice/src/main.rs:42:24 [INFO] [stderr] | [INFO] [stderr] 42 | School{title:String, location:String} [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> practice/src/main.rs:37:10 [INFO] [stderr] | [INFO] [stderr] 37 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0170`. [INFO] [stderr] warning: `practice` (bin "practice" test) generated 14 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.36s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/practice-cce65e1668fca081) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/world_hello-8a07da3e2bff8549) [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" "61186e1b0416fe95ea74a7efe32f5d2e35e582095bc351d449fbe65fcee53b72", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "61186e1b0416fe95ea74a7efe32f5d2e35e582095bc351d449fbe65fcee53b72", kill_on_drop: false }` [INFO] [stdout] 61186e1b0416fe95ea74a7efe32f5d2e35e582095bc351d449fbe65fcee53b72