[INFO] cloning repository https://github.com/sh0623k/coding_interview [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sh0623k/coding_interview" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsh0623k%2Fcoding_interview", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsh0623k%2Fcoding_interview'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ad2a675ba51f91fb104e2272a58badfd5bfa77bc [INFO] testing sh0623k/coding_interview against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsh0623k%2Fcoding_interview" "/workspace/builds/worker-28/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sh0623k/coding_interview 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/sh0623k/coding_interview [INFO] finished tweaking git repo https://github.com/sh0623k/coding_interview [INFO] tweaked toml for git repo https://github.com/sh0623k/coding_interview written to /workspace/builds/worker-28/source/Cargo.toml [INFO] crate git repo https://github.com/sh0623k/coding_interview 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 5512822ee294a046c0091238e4d99a5a8416de4803af8150aaf64d318bd310d7 [INFO] running `Command { std: "docker" "start" "-a" "5512822ee294a046c0091238e4d99a5a8416de4803af8150aaf64d318bd310d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5512822ee294a046c0091238e4d99a5a8416de4803af8150aaf64d318bd310d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5512822ee294a046c0091238e4d99a5a8416de4803af8150aaf64d318bd310d7", kill_on_drop: false }` [INFO] [stdout] 5512822ee294a046c0091238e4d99a5a8416de4803af8150aaf64d318bd310d7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 48814c8957131dd5792113de7d297b8823750fa7a53f84a02b23e1719179e4b5 [INFO] running `Command { std: "docker" "start" "-a" "48814c8957131dd5792113de7d297b8823750fa7a53f84a02b23e1719179e4b5", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling coding_interview v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/linked_list.rs:147:17 [INFO] [stdout] | [INFO] [stdout] 147 | &node.borrow_mut().remove(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 147 | let _ = &node.borrow_mut().remove(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/bin/ch02p03.rs:19:13 [INFO] [stdout] | [INFO] [stdout] 19 | &node.borrow_mut().remove(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 19 | let _ = &node.borrow_mut().remove(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `completed` [INFO] [stdout] --> src/bin/ch07p02.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | completed: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Call` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/bin/ch07p02.rs:35:16 [INFO] [stdout] | [INFO] [stdout] 35 | #[derive(Copy, Clone, Debug)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `card` [INFO] [stdout] --> src/bin/ch07p01.rs:112:28 [INFO] [stdout] | [INFO] [stdout] 112 | fn add_card(&mut self, card: BlackJackCard) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_card` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/ch07p01.rs:91:13 [INFO] [stdout] | [INFO] [stdout] 91 | let mut value = 0; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/ch07p01.rs:108:13 [INFO] [stdout] | [INFO] [stdout] 108 | let mut score = 0; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/ch07p01.rs:136:13 [INFO] [stdout] | [INFO] [stdout] 136 | let mut hand: Vec = vec![]; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `suit` [INFO] [stdout] --> src/bin/ch07p01.rs:71:5 [INFO] [stdout] | [INFO] [stdout] 71 | suit: Suit, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `BlackJackCard` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/bin/ch07p01.rs:69:16 [INFO] [stdout] | [INFO] [stdout] 69 | #[derive(Copy, Clone, Debug)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `rank` [INFO] [stdout] --> src/bin/ch07p01.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 72 | rank: Rank, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `BlackJackCard` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/bin/ch07p01.rs:69:16 [INFO] [stdout] | [INFO] [stdout] 69 | #[derive(Copy, Clone, Debug)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `available` [INFO] [stdout] --> src/bin/ch07p01.rs:73:5 [INFO] [stdout] | [INFO] [stdout] 73 | available: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `BlackJackCard` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/bin/ch07p01.rs:69:16 [INFO] [stdout] | [INFO] [stdout] 69 | #[derive(Copy, Clone, Debug)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/ch04p02.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let mut mbst = MinimalBinarySearchTree::::new(&arr); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `cards` [INFO] [stdout] --> src/bin/ch07p01.rs:98:5 [INFO] [stdout] | [INFO] [stdout] 98 | cards: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `BlackJackHand` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/bin/ch07p01.rs:96:10 [INFO] [stdout] | [INFO] [stdout] 96 | #[derive(Clone, Debug)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [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: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.57s [INFO] running `Command { std: "docker" "inspect" "48814c8957131dd5792113de7d297b8823750fa7a53f84a02b23e1719179e4b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48814c8957131dd5792113de7d297b8823750fa7a53f84a02b23e1719179e4b5", kill_on_drop: false }` [INFO] [stdout] 48814c8957131dd5792113de7d297b8823750fa7a53f84a02b23e1719179e4b5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 694b107eea38205bee92dbc7a07863433f8ccd470471258e2d3e154be6df41d2 [INFO] running `Command { std: "docker" "start" "-a" "694b107eea38205bee92dbc7a07863433f8ccd470471258e2d3e154be6df41d2", kill_on_drop: false }` [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/linked_list.rs:147:17 [INFO] [stdout] | [INFO] [stdout] 147 | &node.borrow_mut().remove(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 147 | let _ = &node.borrow_mut().remove(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling coding_interview v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `completed` [INFO] [stdout] --> src/bin/ch07p02.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | completed: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Call` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/bin/ch07p02.rs:35:16 [INFO] [stdout] | [INFO] [stdout] 35 | #[derive(Copy, Clone, Debug)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/ch04p02.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let mut mbst = MinimalBinarySearchTree::::new(&arr); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/bin/ch02p03.rs:19:13 [INFO] [stdout] | [INFO] [stdout] 19 | &node.borrow_mut().remove(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 19 | let _ = &node.borrow_mut().remove(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `card` [INFO] [stdout] --> src/bin/ch07p01.rs:112:28 [INFO] [stdout] | [INFO] [stdout] 112 | fn add_card(&mut self, card: BlackJackCard) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_card` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/ch07p01.rs:91:13 [INFO] [stdout] | [INFO] [stdout] 91 | let mut value = 0; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/ch07p01.rs:108:13 [INFO] [stdout] | [INFO] [stdout] 108 | let mut score = 0; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/ch07p01.rs:136:13 [INFO] [stdout] | [INFO] [stdout] 136 | let mut hand: Vec = vec![]; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `suit` [INFO] [stdout] --> src/bin/ch07p01.rs:71:5 [INFO] [stdout] | [INFO] [stdout] 71 | suit: Suit, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `BlackJackCard` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/bin/ch07p01.rs:69:16 [INFO] [stdout] | [INFO] [stdout] 69 | #[derive(Copy, Clone, Debug)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `rank` [INFO] [stdout] --> src/bin/ch07p01.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 72 | rank: Rank, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `BlackJackCard` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/bin/ch07p01.rs:69:16 [INFO] [stdout] | [INFO] [stdout] 69 | #[derive(Copy, Clone, Debug)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `available` [INFO] [stdout] --> src/bin/ch07p01.rs:73:5 [INFO] [stdout] | [INFO] [stdout] 73 | available: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `BlackJackCard` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/bin/ch07p01.rs:69:16 [INFO] [stdout] | [INFO] [stdout] 69 | #[derive(Copy, Clone, Debug)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `cards` [INFO] [stdout] --> src/bin/ch07p01.rs:98:5 [INFO] [stdout] | [INFO] [stdout] 98 | cards: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `BlackJackHand` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/bin/ch07p01.rs:96:10 [INFO] [stdout] | [INFO] [stdout] 96 | #[derive(Clone, Debug)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/linked_list.rs:147:17 [INFO] [stdout] | [INFO] [stdout] 147 | &node.borrow_mut().remove(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 147 | let _ = &node.borrow_mut().remove(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/linked_list.rs:405:17 [INFO] [stdout] | [INFO] [stdout] 405 | &node.borrow_mut().remove(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 405 | let _ = &node.borrow_mut().remove(); [INFO] [stdout] | +++++++ [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: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.13s [INFO] running `Command { std: "docker" "inspect" "694b107eea38205bee92dbc7a07863433f8ccd470471258e2d3e154be6df41d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "694b107eea38205bee92dbc7a07863433f8ccd470471258e2d3e154be6df41d2", kill_on_drop: false }` [INFO] [stdout] 694b107eea38205bee92dbc7a07863433f8ccd470471258e2d3e154be6df41d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 7318c452985add9e46f669ac28336035629f7aed32e4603cf5a0eccb6df733bf [INFO] running `Command { std: "docker" "start" "-a" "7318c452985add9e46f669ac28336035629f7aed32e4603cf5a0eccb6df733bf", kill_on_drop: false }` [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/linked_list.rs:147:17 [INFO] [stderr] | [INFO] [stderr] 147 | &node.borrow_mut().remove(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 147 | let _ = &node.borrow_mut().remove(); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `coding_interview` (lib) generated 1 warning [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/linked_list.rs:405:17 [INFO] [stderr] | [INFO] [stderr] 405 | &node.borrow_mut().remove(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 405 | let _ = &node.borrow_mut().remove(); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `coding_interview` (lib test) generated 2 warnings (1 duplicate) [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/bin/ch02p03.rs:19:13 [INFO] [stderr] | [INFO] [stderr] 19 | &node.borrow_mut().remove(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 19 | let _ = &node.borrow_mut().remove(); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `completed` [INFO] [stderr] --> src/bin/ch07p02.rs:38:5 [INFO] [stderr] | [INFO] [stderr] 38 | completed: bool, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `Call` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/bin/ch07p02.rs:35:16 [INFO] [stderr] | [INFO] [stderr] 35 | #[derive(Copy, Clone, Debug)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused variable: `card` [INFO] [stderr] --> src/bin/ch07p01.rs:112:28 [INFO] [stderr] | [INFO] [stderr] 112 | fn add_card(&mut self, card: BlackJackCard) { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_card` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/ch07p01.rs:91:13 [INFO] [stderr] | [INFO] [stderr] 91 | let mut value = 0; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/ch07p01.rs:108:13 [INFO] [stderr] | [INFO] [stderr] 108 | let mut score = 0; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/ch07p01.rs:136:13 [INFO] [stderr] | [INFO] [stderr] 136 | let mut hand: Vec = vec![]; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `suit` [INFO] [stderr] --> src/bin/ch07p01.rs:71:5 [INFO] [stderr] | [INFO] [stderr] 71 | suit: Suit, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `BlackJackCard` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/bin/ch07p01.rs:69:16 [INFO] [stderr] | [INFO] [stderr] 69 | #[derive(Copy, Clone, Debug)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `rank` [INFO] [stderr] --> src/bin/ch07p01.rs:72:5 [INFO] [stderr] | [INFO] [stderr] 72 | rank: Rank, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `BlackJackCard` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/bin/ch07p01.rs:69:16 [INFO] [stderr] | [INFO] [stderr] 69 | #[derive(Copy, Clone, Debug)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `available` [INFO] [stderr] --> src/bin/ch07p01.rs:73:5 [INFO] [stderr] | [INFO] [stderr] 73 | available: bool, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `BlackJackCard` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/bin/ch07p01.rs:69:16 [INFO] [stderr] | [INFO] [stderr] 69 | #[derive(Copy, Clone, Debug)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `cards` [INFO] [stderr] --> src/bin/ch07p01.rs:98:5 [INFO] [stderr] | [INFO] [stderr] 98 | cards: Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `BlackJackHand` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/bin/ch07p01.rs:96:10 [INFO] [stderr] | [INFO] [stderr] 96 | #[derive(Clone, Debug)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/ch04p02.rs:10:9 [INFO] [stderr] | [INFO] [stderr] 10 | let mut mbst = MinimalBinarySearchTree::::new(&arr); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `coding_interview` (bin "ch02p03" test) generated 1 warning [INFO] [stderr] warning: `coding_interview` (bin "ch07p02" test) generated 1 warning [INFO] [stderr] warning: `coding_interview` (bin "ch07p01" test) generated 8 warnings [INFO] [stderr] warning: `coding_interview` (bin "ch04p02" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/coding_interview-5981ef1dde7be875) [INFO] [stdout] [INFO] [stdout] running 14 tests [INFO] [stdout] test graph::tests::test_has_a_walk ... ok [INFO] [stdout] test graph::tests::test_dp_shortest_path_len ... ok [INFO] [stdout] test linked_list::tests::test_get_kth_to_last_element ... ok [INFO] [stdout] test linked_list::tests::test_list_has_duplicates ... ok [INFO] [stdout] test linked_list::tests::test_list_remove_duplicates ... ok [INFO] [stdout] test linked_list::tests::test_partition ... ok [INFO] [stdout] test linked_list::tests::test_remove_node ... ok [INFO] [stdout] test queue::tests::test_iterator ... ok [INFO] [stdout] test queue::tests::test_my_queue ... ok [INFO] [stdout] test stack::tests::test_set_of_stacks ... ok [INFO] [stdout] test stack::tests::test_stack ... ok [INFO] [stdout] test str_helper::tests::test_create_char_count_map_from_str ... ok [INFO] [stdout] test str_helper::tests::test_get_next_char_boundary ... ok [INFO] [stdout] test tree::tests::test_minimal_tree ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch01p01-87e2c36971dfc087) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test tests::test_is_all_chars_unique ... ok [INFO] [stdout] test tests::test_is_all_chars_unique_with_sorted_str ... ok [INFO] [stdout] test tests::test_is_all_chars_unique_without_add_data_structure ... ok [INFO] [stdout] test tests::test_range - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch01p02-77087c1e7a8c9c22) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_are_two_strs_in_the_same_combination ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch01p03-c9821bfcd2ce158a) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_urlify ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch01p04-dd577b4a588c1ce8) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_is_palindrome ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch01p05-ebdbb609f5609520) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch01p06-4c8cd303964baf5d) [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_is_convertible_by_once_brute ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch01p07-2a9d313509d20466) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::test_str_compression ... ok [INFO] [stdout] test tests::test_str_compression_with_fold ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::test_matrix_rotation ... ok [INFO] [stdout] test tests::test_matrix_rotation_with_flatten_vec ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch01p08-af51a8868e939744) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_set_zero_when_the_line_has_zero ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch01p09-2d3abdba72c1bd86) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_is_strs_rotation ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch02p01-fec53795a11df9aa) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch02p02-348e24d0249d0c88) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch02p03-c6cf0f8f9e51a6dc) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch02p04-6a6627576b11e0a0) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch02p05-ac188806be23a6bb) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_sum_list ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch02p06-dee8baeae04e5a8a) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_is_palindrome ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch02p07-4e3ea6c83ea311b9) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch02p08-ccf49e6b7332512d) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch03p02-3b0f99da03bb29f7) [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] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_stack_with_min ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch03p04-dfea22a703119e2b) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch03p05-760da48af4f72ec1) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch03p06-1f09e3cd3b55405e) [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] [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch04p02-30680ced27ff81c4) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch04p03-3159990a18fd40cd) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch04p04-2a6be24a55473612) [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] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch04p05-1c86dc07ead17fab) [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] [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch04p06-6ed689f144abad46) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch04p11-154041398ad08f87) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch04p12-9b61eb3ebf4db21e) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch05p01-bf71533243bad956) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_insert_bits ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch05p02-b763f09cad8ab040) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch05p03-d45187550f0f4341) [INFO] [stdout] test tests::test_float_to_string ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch05p04-36f7d491117d71b0) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch05p05-ae4c62d650f4e676) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch05p06-3d84b294a0955af7) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_conversion ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch05p07-6db3e4289ad1cd8e) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch05p08-3b16fa6548c2f10d) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_draw_line ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch07p01-227c8160e0932434) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch07p02-82c4713bcf64dda8) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch07p12-587806ffb95a4613) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch08p01-18fc9d848ea9e94d) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_triple_step ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch08p03-4cb25f896f037ad2) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_magic_index ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch08p11-5f962a4ad3700cca) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_make_change ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch08p12-68650b632dd770aa) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_eight_queens ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch10p01-b25460b25a23027b) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_merge_sorted_lists ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch10p02-6653f99a06197f70) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_group_anagrams ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests coding_interview [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" "7318c452985add9e46f669ac28336035629f7aed32e4603cf5a0eccb6df733bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7318c452985add9e46f669ac28336035629f7aed32e4603cf5a0eccb6df733bf", kill_on_drop: false }` [INFO] [stdout] 7318c452985add9e46f669ac28336035629f7aed32e4603cf5a0eccb6df733bf