[INFO] cloning repository https://github.com/tyrchen/rust-training [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tyrchen/rust-training" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyrchen%2Frust-training", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyrchen%2Frust-training'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a25494aefa7ec19f585f191bde9aa68ea2d63ecd [INFO] checking tyrchen/rust-training against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyrchen%2Frust-training" "/workspace/builds/worker-117/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-117/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tyrchen/rust-training on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tyrchen/rust-training [INFO] finished tweaking git repo https://github.com/tyrchen/rust-training [INFO] tweaked toml for git repo https://github.com/tyrchen/rust-training written to /workspace/builds/worker-117/source/Cargo.toml [INFO] crate git repo https://github.com/tyrchen/rust-training already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9f004010706171f6343de4e7dd77a5e48926775aa4d3d9a1749f287c685cdd29 [INFO] running `Command { std: "docker" "start" "-a" "9f004010706171f6343de4e7dd77a5e48926775aa4d3d9a1749f287c685cdd29", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9f004010706171f6343de4e7dd77a5e48926775aa4d3d9a1749f287c685cdd29", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f004010706171f6343de4e7dd77a5e48926775aa4d3d9a1749f287c685cdd29", kill_on_drop: false }` [INFO] [stdout] 9f004010706171f6343de4e7dd77a5e48926775aa4d3d9a1749f287c685cdd29 [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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2a7f71d96e398a65797caacc560d93dfeba1141ae3df26a8c09cbc95f885b8a7 [INFO] running `Command { std: "docker" "start" "-a" "2a7f71d96e398a65797caacc560d93dfeba1141ae3df26a8c09cbc95f885b8a7", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.97 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Compiling anyhow v1.0.41 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling cc v1.0.68 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling hashbrown v0.9.1 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking subtle v2.4.0 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Checking cpufeatures v0.1.4 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Compiling pin-project-internal v0.4.28 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Compiling encoding_rs v0.8.28 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling openssl v0.10.34 [INFO] [stderr] Checking match_cfg v0.1.0 [INFO] [stderr] Compiling native-tls v0.2.7 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking openssl-probe v0.1.4 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking gimli v0.24.0 [INFO] [stderr] Compiling neon-build v0.8.3 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking weezl v0.1.5 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking rustc-demangle v0.1.19 [INFO] [stderr] Compiling derive_builder v0.8.1 [INFO] [stderr] Checking arrayref v0.3.6 [INFO] [stderr] Checking constant_time_eq v0.1.5 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Compiling inventory v0.1.10 [INFO] [stderr] Checking typeable v0.1.2 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Compiling unindent v0.1.7 [INFO] [stderr] Checking semver-parser v0.7.0 [INFO] [stderr] Checking sha1 v0.6.0 [INFO] [stderr] Compiling pyo3 v0.13.2 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking bytemuck v1.6.1 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking cslice v0.2.0 [INFO] [stderr] Checking checked_int_cast v1.0.0 [INFO] [stderr] Checking os_str_bytes v2.4.0 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking hello_world v0.1.0 (/opt/rustwide/workdir/live_coding/hello_world) [INFO] [stderr] Checking gp v0.1.0 (/opt/rustwide/workdir/code/gp) [INFO] [stderr] Checking strtok v0.1.0 (/opt/rustwide/workdir/code/strtok) [INFO] [stderr] Checking simple_asm v0.1.0 (/opt/rustwide/workdir/code/simple_asm) [INFO] [stderr] Checking lifetime v0.1.0 (/opt/rustwide/workdir/code/lifetime) [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] [stderr] Compiling tokio v1.6.1 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling standback v0.2.17 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling const_fn v0.4.8 [INFO] [stderr] Compiling time v0.2.27 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling cookie v0.14.4 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Checking bytestring v1.0.0 [INFO] [stderr] Checking libloading v0.6.7 [INFO] [stderr] Checking crossbeam-utils v0.8.5 [INFO] [stderr] Checking http-body v0.4.2 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking futures-channel v0.3.15 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking object v0.25.3 [INFO] [stderr] Compiling paste-impl v0.1.18 [INFO] [stderr] Checking cipher v0.3.0 [INFO] [stderr] Checking aead v0.4.1 [INFO] [stderr] Compiling tokio-macros v1.2.0 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling actix-macros v0.1.3 [INFO] [stderr] Compiling thiserror-impl v1.0.25 [INFO] [stderr] Compiling darling_core v0.10.2 [INFO] [stderr] Compiling ghost v0.1.2 [INFO] [stderr] Compiling inventory-impl v0.1.10 [INFO] [stderr] Compiling pyo3-macros-backend v0.13.2 [INFO] [stderr] Compiling ctor v0.1.20 [INFO] [stderr] Compiling actix-macros v0.2.1 [INFO] [stderr] Compiling neon-macros v0.8.3 [INFO] [stderr] Compiling actix-web-codegen v0.4.0 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Checking tracing-serde v0.1.2 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> code/lifetime/src/lib.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn new(name: &'a str, age: u8) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking neon-runtime v0.8.3 [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking crypto-mac v0.8.0 [INFO] [stderr] Checking universal-hash v0.4.0 [INFO] [stderr] Checking ctr v0.7.0 [INFO] [stderr] Checking lru-cache v0.1.2 [INFO] [stdout] warning: unused variable: `authenticated` [INFO] [stdout] --> live_coding/hello_world/src/value_tour.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let authenticated = true; [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_authenticated` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `total` is assigned to, but never used [INFO] [stdout] --> live_coding/hello_world/src/value_tour.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | let mut total = 0usize; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_total` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `total` is never read [INFO] [stdout] --> live_coding/hello_world/src/value_tour.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | total += 1; [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: unused variable: `my_map` [INFO] [stdout] --> live_coding/hello_world/src/value_tour.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let my_map = &mut map; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_map` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `map` [INFO] [stdout] --> live_coding/hello_world/src/value_tour.rs:42:14 [INFO] [stdout] | [INFO] [stdout] 42 | fn print_map(map: &HashMap) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_map` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `map` [INFO] [stdout] --> live_coding/hello_world/src/value_tour.rs:46:15 [INFO] [stdout] | [INFO] [stdout] 46 | fn insert_map(map: &mut HashMap) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_map` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Gender` [INFO] [stdout] --> live_coding/hello_world/src/types.rs:1:6 [INFO] [stdout] | [INFO] [stdout] 1 | enum Gender { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `ConnectionState` [INFO] [stdout] --> live_coding/hello_world/src/types.rs:7:6 [INFO] [stdout] | [INFO] [stdout] 7 | enum ConnectionState { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `HalfOpen` [INFO] [stdout] --> live_coding/hello_world/src/types.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | struct HalfOpen {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `FullSession` [INFO] [stdout] --> live_coding/hello_world/src/types.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | struct FullSession {} [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `User` [INFO] [stdout] --> live_coding/hello_world/src/types.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | struct User { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `value_tour` [INFO] [stdout] --> live_coding/hello_world/src/value_tour.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn value_tour() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `print_my_name` [INFO] [stdout] --> live_coding/hello_world/src/value_tour.rs:38:4 [INFO] [stdout] | [INFO] [stdout] 38 | fn print_my_name(name: String) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `print_map` [INFO] [stdout] --> live_coding/hello_world/src/value_tour.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn print_map(map: &HashMap) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `insert_map` [INFO] [stdout] --> live_coding/hello_world/src/value_tour.rs:46:4 [INFO] [stdout] | [INFO] [stdout] 46 | fn insert_map(map: &mut HashMap) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tinyvec v1.2.0 [INFO] [stderr] error: could not compile `regex-syntax` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name regex_syntax --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.25/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=b65cedb3bd8cf729 -C extra-filename=-b65cedb3bd8cf729 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused variable: `authenticated` [INFO] [stdout] --> live_coding/hello_world/src/value_tour.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let authenticated = true; [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_authenticated` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `total` is assigned to, but never used [INFO] [stdout] --> live_coding/hello_world/src/value_tour.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | let mut total = 0usize; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_total` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `user_ref` [INFO] [stdout] --> code/lifetime/src/lib.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | let user_ref = &mut user; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_user_ref` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `total` is never read [INFO] [stdout] --> live_coding/hello_world/src/value_tour.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | total += 1; [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: unused variable: `my_map` [INFO] [stdout] --> live_coding/hello_world/src/value_tour.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let my_map = &mut map; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_map` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `map` [INFO] [stdout] --> live_coding/hello_world/src/value_tour.rs:42:14 [INFO] [stdout] | [INFO] [stdout] 42 | fn print_map(map: &HashMap) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_map` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `map` [INFO] [stdout] --> live_coding/hello_world/src/value_tour.rs:46:15 [INFO] [stdout] | [INFO] [stdout] 46 | fn insert_map(map: &mut HashMap) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_map` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Gender` [INFO] [stdout] --> live_coding/hello_world/src/types.rs:1:6 [INFO] [stdout] | [INFO] [stdout] 1 | enum Gender { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `ConnectionState` [INFO] [stdout] --> live_coding/hello_world/src/types.rs:7:6 [INFO] [stdout] | [INFO] [stdout] 7 | enum ConnectionState { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `HalfOpen` [INFO] [stdout] --> live_coding/hello_world/src/types.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | struct HalfOpen {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `FullSession` [INFO] [stdout] --> live_coding/hello_world/src/types.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | struct FullSession {} [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `User` [INFO] [stdout] --> live_coding/hello_world/src/types.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | struct User { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `value_tour` [INFO] [stdout] --> live_coding/hello_world/src/value_tour.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn value_tour() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `print_my_name` [INFO] [stdout] --> live_coding/hello_world/src/value_tour.rs:38:4 [INFO] [stdout] | [INFO] [stdout] 38 | fn print_my_name(name: String) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `print_map` [INFO] [stdout] --> live_coding/hello_world/src/value_tour.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn print_map(map: &HashMap) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `insert_map` [INFO] [stdout] --> live_coding/hello_world/src/value_tour.rs:46:4 [INFO] [stdout] | [INFO] [stdout] 46 | fn insert_map(map: &mut HashMap) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "2a7f71d96e398a65797caacc560d93dfeba1141ae3df26a8c09cbc95f885b8a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a7f71d96e398a65797caacc560d93dfeba1141ae3df26a8c09cbc95f885b8a7", kill_on_drop: false }` [INFO] [stdout] 2a7f71d96e398a65797caacc560d93dfeba1141ae3df26a8c09cbc95f885b8a7