[INFO] cloning repository https://github.com/sigpher/rust_book [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sigpher/rust_book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsigpher%2Frust_book", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsigpher%2Frust_book'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9cff653aa41d400fc7d1ec9d976c71a0de290474 [INFO] checking sigpher/rust_book against master#96df4943409564a187894018f15f795426dc2e1f for pr-118968 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsigpher%2Frust_book" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sigpher/rust_book on toolchain 96df4943409564a187894018f15f795426dc2e1f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+96df4943409564a187894018f15f795426dc2e1f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sigpher/rust_book [INFO] finished tweaking git repo https://github.com/sigpher/rust_book [INFO] tweaked toml for git repo https://github.com/sigpher/rust_book written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/sigpher/rust_book 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" "+96df4943409564a187894018f15f795426dc2e1f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking sigpher/rust_book against try#7e4f74fb8736fea8f455bb6e094122965ae8f4cd for pr-118968 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsigpher%2Frust_book" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sigpher/rust_book on toolchain 7e4f74fb8736fea8f455bb6e094122965ae8f4cd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7e4f74fb8736fea8f455bb6e094122965ae8f4cd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sigpher/rust_book [INFO] finished tweaking git repo https://github.com/sigpher/rust_book [INFO] tweaked toml for git repo https://github.com/sigpher/rust_book written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/sigpher/rust_book 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" "+7e4f74fb8736fea8f455bb6e094122965ae8f4cd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+7e4f74fb8736fea8f455bb6e094122965ae8f4cd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dbb8ccc9d947d28f98d3f3a0f3ba5fcc8a96268a88807a9129570274568557d1 [INFO] running `Command { std: "docker" "start" "-a" "dbb8ccc9d947d28f98d3f3a0f3ba5fcc8a96268a88807a9129570274568557d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dbb8ccc9d947d28f98d3f3a0f3ba5fcc8a96268a88807a9129570274568557d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dbb8ccc9d947d28f98d3f3a0f3ba5fcc8a96268a88807a9129570274568557d1", kill_on_drop: false }` [INFO] [stdout] dbb8ccc9d947d28f98d3f3a0f3ba5fcc8a96268a88807a9129570274568557d1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+7e4f74fb8736fea8f455bb6e094122965ae8f4cd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 86f85c8080e7712c27ae8ac273c70de3728c0c584cd4cb9a99925f9947a30ce0 [INFO] running `Command { std: "docker" "start" "-a" "86f85c8080e7712c27ae8ac273c70de3728c0c584cd4cb9a99925f9947a30ce0", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Compiling libc v0.2.140 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking ch12 v0.1.0 (/opt/rustwide/workdir/ch12) [INFO] [stderr] Checking ch05 v0.1.0 (/opt/rustwide/workdir/ch05) [INFO] [stderr] Checking ch16 v0.1.0 (/opt/rustwide/workdir/ch16) [INFO] [stderr] Checking ch10 v0.1.0 (/opt/rustwide/workdir/ch10) [INFO] [stderr] Checking demo v0.1.0 (/opt/rustwide/workdir/demo) [INFO] [stderr] Checking ch15 v0.1.0 (/opt/rustwide/workdir/ch15) [INFO] [stderr] Checking ch07 v0.1.0 (/opt/rustwide/workdir/ch07) [INFO] [stderr] Checking ch06 v0.1.0 (/opt/rustwide/workdir/ch06) [INFO] [stderr] Checking ch01 v0.1.0 (/opt/rustwide/workdir/ch01) [INFO] [stderr] Checking ch08 v0.1.0 (/opt/rustwide/workdir/ch08) [INFO] [stderr] Checking ch09 v0.1.0 (/opt/rustwide/workdir/ch09) [INFO] [stderr] Checking ch04 v0.1.0 (/opt/rustwide/workdir/ch04) [INFO] [stderr] Checking ch03 v0.1.0 (/opt/rustwide/workdir/ch03) [INFO] [stdout] warning: function `find_number` is never used [INFO] [stdout] --> ch04/src/main.rs:17:4 [INFO] [stdout] | [INFO] [stdout] 17 | fn find_number(numbers:&[u8],num:u8)->usize{ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `deliver_order` is never used [INFO] [stdout] --> ch07/src/lib.rs:12:4 [INFO] [stdout] | [INFO] [stdout] 12 | fn deliver_order() {} [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `fix_incorrect_order` is never used [INFO] [stdout] --> ch07/src/lib.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | fn fix_incorrect_order() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `cook_order` is never used [INFO] [stdout] --> ch07/src/lib.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | fn cook_order() {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f1` [INFO] [stdout] --> ch03/src/main.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let f1 = 2f64; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_f1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f2` [INFO] [stdout] --> ch03/src/main.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | let f2 = 3f32; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_f2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tup` [INFO] [stdout] --> ch03/src/main.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let tup = (500, 6.4, true); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_tup` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arr` [INFO] [stdout] --> ch03/src/main.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let arr = [1, 2, 3, 4, 5, 6]; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_arr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking ch14 v0.1.0 (/opt/rustwide/workdir/ch14) [INFO] [stdout] warning: unused variable: `num_spaces` [INFO] [stdout] --> ch06/src/main.rs:33:20 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn move_player(num_spaces: u8) {} [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_spaces` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num_spaces` [INFO] [stdout] --> ch06/src/main.rs:33:20 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn move_player(num_spaces: u8) {} [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_spaces` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `reference_cycles::list`, `tracker` [INFO] [stdout] --> ch15/src/main.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | use ch15::{reference_cycles::list, tracker}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `reference_cycles::list`, `tracker` [INFO] [stdout] --> ch15/src/main.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | use ch15::{reference_cycles::list, tracker}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Color`, `Point` [INFO] [stdout] --> ch05/src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | use ch05::{Color, Point, Rectangle, User}; [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f1` [INFO] [stdout] --> ch03/src/main.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let f1 = 2f64; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_f1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f2` [INFO] [stdout] --> ch03/src/main.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | let f2 = 3f32; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_f2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tup` [INFO] [stdout] --> ch03/src/main.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let tup = (500, 6.4, true); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_tup` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arr` [INFO] [stdout] --> ch03/src/main.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let arr = [1, 2, 3, 4, 5, 6]; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_arr` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking ch11 v0.1.0 (/opt/rustwide/workdir/ch11) [INFO] [stdout] warning: unused imports: `Color`, `Point` [INFO] [stdout] --> ch05/src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | use ch05::{Color, Point, Rectangle, User}; [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `deliver_order` is never used [INFO] [stdout] --> ch07/src/lib.rs:12:4 [INFO] [stdout] | [INFO] [stdout] 12 | fn deliver_order() {} [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `fix_incorrect_order` is never used [INFO] [stdout] --> ch07/src/lib.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | fn fix_incorrect_order() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `cook_order` is never used [INFO] [stdout] --> ch07/src/lib.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | fn cook_order() {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_number` is never used [INFO] [stdout] --> ch04/src/main.rs:17:4 [INFO] [stdout] | [INFO] [stdout] 17 | fn find_number(numbers:&[u8],num:u8)->usize{ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> ch11/src/lib.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> ch11/src/lib.rs:12:1 [INFO] [stdout] | [INFO] [stdout] 12 | mod tests { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking getrandom v0.2.8 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking ch02 v0.1.0 (/opt/rustwide/workdir/ch02) [INFO] [stderr] Checking ch13 v0.1.0 (/opt/rustwide/workdir/ch13) [INFO] [stdout] warning: unused variable: `unwrap_number` [INFO] [stdout] --> ch13/src/main.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | let unwrap_number = number.yes_or_else(|| list[random_number]); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unwrap_number` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `width` is never read [INFO] [stdout] --> ch13/src/main.rs:98:5 [INFO] [stdout] | [INFO] [stdout] 97 | struct Rectangle { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 98 | width: T, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Rectangle` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `unwrap_number` [INFO] [stdout] --> ch13/src/main.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | let unwrap_number = number.yes_or_else(|| list[random_number]); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unwrap_number` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `width` is never read [INFO] [stdout] --> ch13/src/main.rs:98:5 [INFO] [stdout] | [INFO] [stdout] 97 | struct Rectangle { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 98 | width: T, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Rectangle` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.23s [INFO] running `Command { std: "docker" "inspect" "86f85c8080e7712c27ae8ac273c70de3728c0c584cd4cb9a99925f9947a30ce0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86f85c8080e7712c27ae8ac273c70de3728c0c584cd4cb9a99925f9947a30ce0", kill_on_drop: false }` [INFO] [stdout] 86f85c8080e7712c27ae8ac273c70de3728c0c584cd4cb9a99925f9947a30ce0