[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 try#8da20828b6ea601dfd8e2448cb50ace88876bd78 for pr-150933 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsh0623k%2Fcoding_interview" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [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-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/sh0623k/coding_interview on toolchain 8da20828b6ea601dfd8e2448cb50ace88876bd78 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/sh0623k/coding_interview 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" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 230d3ad572435f9ca8227d4f65d61a36d120635535904d1a1b53554a77b445c3 [INFO] running `Command { std: "docker" "start" "-a" "230d3ad572435f9ca8227d4f65d61a36d120635535904d1a1b53554a77b445c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "230d3ad572435f9ca8227d4f65d61a36d120635535904d1a1b53554a77b445c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "230d3ad572435f9ca8227d4f65d61a36d120635535904d1a1b53554a77b445c3", kill_on_drop: false }` [INFO] [stdout] 230d3ad572435f9ca8227d4f65d61a36d120635535904d1a1b53554a77b445c3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6842d6e40425ee8cb2b9a4a97b96e828d35853476286701abc68e3358e857bcc [INFO] running `Command { std: "docker" "start" "-a" "6842d6e40425ee8cb2b9a4a97b96e828d35853476286701abc68e3358e857bcc", kill_on_drop: false }` [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)]` (part of `#[warn(unused)]`) 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: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/queue.rs:64:17 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn iter(&self) -> QueueIter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 64 | pub fn iter(&self) -> QueueIter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `complete_call` and `escalate` are never used [INFO] [stdout] --> src/bin/ch07p02.rs:29:8 [INFO] [stdout] | [INFO] [stdout] 27 | trait Employee { [INFO] [stdout] | -------- methods in this trait [INFO] [stdout] 28 | fn receive_call(&mut self, call: &Call); [INFO] [stdout] 29 | fn complete_call(&mut self, call: &mut Call); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 30 | fn escalate(&mut self, call: &mut Call); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `completed` is never read [INFO] [stdout] --> src/bin/ch07p02.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 36 | struct Call { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 37 | rank: Rank, [INFO] [stdout] 38 | completed: bool, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Call` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [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)]` (part of `#[warn(unused)]`) 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: 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)]` (part of `#[warn(unused)]`) on by default [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: trait `Card` is never used [INFO] [stdout] --> src/bin/ch07p01.rs:50:7 [INFO] [stdout] | [INFO] [stdout] 50 | trait Card { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Deck` is never used [INFO] [stdout] --> src/bin/ch07p01.rs:55:7 [INFO] [stdout] | [INFO] [stdout] 55 | trait Deck { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Hand` is never used [INFO] [stdout] --> src/bin/ch07p01.rs:63:7 [INFO] [stdout] | [INFO] [stdout] 63 | trait Hand { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `suit`, `rank`, and `available` are never read [INFO] [stdout] --> src/bin/ch07p01.rs:71:5 [INFO] [stdout] | [INFO] [stdout] 70 | struct BlackJackCard { [INFO] [stdout] | ------------- fields in this struct [INFO] [stdout] 71 | suit: Suit, [INFO] [stdout] | ^^^^ [INFO] [stdout] 72 | rank: Rank, [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] [INFO] [stdout] [INFO] [stdout] warning: struct `BlackJackHand` is never constructed [INFO] [stdout] --> src/bin/ch07p01.rs:97:8 [INFO] [stdout] | [INFO] [stdout] 97 | struct BlackJackHand { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BlackJackDeck` is never constructed [INFO] [stdout] --> src/bin/ch07p01.rs:117:8 [INFO] [stdout] | [INFO] [stdout] 117 | struct BlackJackDeck { [INFO] [stdout] | ^^^^^^^^^^^^^ [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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.11s [INFO] running `Command { std: "docker" "inspect" "6842d6e40425ee8cb2b9a4a97b96e828d35853476286701abc68e3358e857bcc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6842d6e40425ee8cb2b9a4a97b96e828d35853476286701abc68e3358e857bcc", kill_on_drop: false }` [INFO] [stdout] 6842d6e40425ee8cb2b9a4a97b96e828d35853476286701abc68e3358e857bcc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 72c808d75706534bf8f2a5cb896c8df06fc050b83e61d27a6658a75424d4e0a4 [INFO] running `Command { std: "docker" "start" "-a" "72c808d75706534bf8f2a5cb896c8df06fc050b83e61d27a6658a75424d4e0a4", kill_on_drop: false }` [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)]` (part of `#[warn(unused)]`) 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: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/queue.rs:64:17 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn iter(&self) -> QueueIter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 64 | pub fn iter(&self) -> QueueIter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `complete_call` and `escalate` are never used [INFO] [stdout] --> src/bin/ch07p02.rs:29:8 [INFO] [stdout] | [INFO] [stdout] 27 | trait Employee { [INFO] [stdout] | -------- methods in this trait [INFO] [stdout] 28 | fn receive_call(&mut self, call: &Call); [INFO] [stdout] 29 | fn complete_call(&mut self, call: &mut Call); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 30 | fn escalate(&mut self, call: &mut Call); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `completed` is never read [INFO] [stdout] --> src/bin/ch07p02.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 36 | struct Call { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 37 | rank: Rank, [INFO] [stdout] 38 | completed: bool, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Call` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [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)]` (part of `#[warn(unused)]`) 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: 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)]` (part of `#[warn(unused)]`) on by default [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: trait `Card` is never used [INFO] [stdout] --> src/bin/ch07p01.rs:50:7 [INFO] [stdout] | [INFO] [stdout] 50 | trait Card { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Deck` is never used [INFO] [stdout] --> src/bin/ch07p01.rs:55:7 [INFO] [stdout] | [INFO] [stdout] 55 | trait Deck { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Hand` is never used [INFO] [stdout] --> src/bin/ch07p01.rs:63:7 [INFO] [stdout] | [INFO] [stdout] 63 | trait Hand { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `suit`, `rank`, and `available` are never read [INFO] [stdout] --> src/bin/ch07p01.rs:71:5 [INFO] [stdout] | [INFO] [stdout] 70 | struct BlackJackCard { [INFO] [stdout] | ------------- fields in this struct [INFO] [stdout] 71 | suit: Suit, [INFO] [stdout] | ^^^^ [INFO] [stdout] 72 | rank: Rank, [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] [INFO] [stdout] [INFO] [stdout] warning: struct `BlackJackHand` is never constructed [INFO] [stdout] --> src/bin/ch07p01.rs:97:8 [INFO] [stdout] | [INFO] [stdout] 97 | struct BlackJackHand { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BlackJackDeck` is never constructed [INFO] [stdout] --> src/bin/ch07p01.rs:117:8 [INFO] [stdout] | [INFO] [stdout] 117 | struct BlackJackDeck { [INFO] [stdout] | ^^^^^^^^^^^^^ [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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 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)]` (part of `#[warn(unused)]`) 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: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/queue.rs:64:17 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn iter(&self) -> QueueIter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 64 | pub fn iter(&self) -> QueueIter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 3.10s [INFO] running `Command { std: "docker" "inspect" "72c808d75706534bf8f2a5cb896c8df06fc050b83e61d27a6658a75424d4e0a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72c808d75706534bf8f2a5cb896c8df06fc050b83e61d27a6658a75424d4e0a4", kill_on_drop: false }` [INFO] [stdout] 72c808d75706534bf8f2a5cb896c8df06fc050b83e61d27a6658a75424d4e0a4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d429a5e96be1e2febf161d607cdbf1dac1952bf61202b66ec4f79df34c982e5b [INFO] running `Command { std: "docker" "start" "-a" "d429a5e96be1e2febf161d607cdbf1dac1952bf61202b66ec4f79df34c982e5b", 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)]` (part of `#[warn(unused)]`) 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: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/queue.rs:64:17 [INFO] [stderr] | [INFO] [stderr] 64 | pub fn iter(&self) -> QueueIter { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 64 | pub fn iter(&self) -> QueueIter<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `coding_interview` (lib) generated 2 warnings (run `cargo fix --lib -p coding_interview` to apply 1 suggestion) [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)]` (part of `#[warn(unused)]`) 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: 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)]` (part of `#[warn(unused)]`) on by default [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: trait `Card` is never used [INFO] [stderr] --> src/bin/ch07p01.rs:50:7 [INFO] [stderr] | [INFO] [stderr] 50 | trait Card { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: trait `Deck` is never used [INFO] [stderr] --> src/bin/ch07p01.rs:55:7 [INFO] [stderr] | [INFO] [stderr] 55 | trait Deck { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait `Hand` is never used [INFO] [stderr] --> src/bin/ch07p01.rs:63:7 [INFO] [stderr] | [INFO] [stderr] 63 | trait Hand { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: fields `suit`, `rank`, and `available` are never read [INFO] [stderr] --> src/bin/ch07p01.rs:71:5 [INFO] [stderr] | [INFO] [stderr] 70 | struct BlackJackCard { [INFO] [stderr] | ------------- fields in this struct [INFO] [stderr] 71 | suit: Suit, [INFO] [stderr] | ^^^^ [INFO] [stderr] 72 | rank: Rank, [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] [INFO] [stderr] warning: struct `BlackJackHand` is never constructed [INFO] [stderr] --> src/bin/ch07p01.rs:97:8 [INFO] [stderr] | [INFO] [stderr] 97 | struct BlackJackHand { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `BlackJackDeck` is never constructed [INFO] [stderr] --> src/bin/ch07p01.rs:117:8 [INFO] [stderr] | [INFO] [stderr] 117 | struct BlackJackDeck { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `coding_interview` (bin "ch07p01" test) generated 10 warnings (run `cargo fix --bin "ch07p01" -p coding_interview --tests` to apply 4 suggestions) [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `coding_interview` (bin "ch04p02" test) generated 1 warning (run `cargo fix --bin "ch04p02" -p coding_interview --tests` to apply 1 suggestion) [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)]` (part of `#[warn(unused)]`) 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: methods `complete_call` and `escalate` are never used [INFO] [stderr] --> src/bin/ch07p02.rs:29:8 [INFO] [stderr] | [INFO] [stderr] 27 | trait Employee { [INFO] [stderr] | -------- methods in this trait [INFO] [stderr] 28 | fn receive_call(&mut self, call: &Call); [INFO] [stderr] 29 | fn complete_call(&mut self, call: &mut Call); [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] 30 | fn escalate(&mut self, call: &mut Call); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: field `completed` is never read [INFO] [stderr] --> src/bin/ch07p02.rs:38:5 [INFO] [stderr] | [INFO] [stderr] 36 | struct Call { [INFO] [stderr] | ---- field in this struct [INFO] [stderr] 37 | rank: Rank, [INFO] [stderr] 38 | completed: bool, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Call` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] [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` (bin "ch02p03" test) generated 1 warning [INFO] [stderr] warning: `coding_interview` (bin "ch07p02" test) generated 2 warnings [INFO] [stderr] warning: `coding_interview` (lib test) generated 3 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/coding_interview-14b565d8933e71b8) [INFO] [stdout] [INFO] [stdout] running 14 tests [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 graph::tests::test_has_a_walk ... 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 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 queue::tests::test_iterator ... ok [INFO] [stdout] test tree::tests::test_minimal_tree ... ok [INFO] [stdout] test queue::tests::test_my_queue ... 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] [stdout] [INFO] [stderr] Running unittests src/bin/ch01p01.rs (/opt/rustwide/target/debug/deps/ch01p01-48a525efbb2cf353) [INFO] [stdout] running 4 tests [INFO] [stdout] test tests::test_is_all_chars_unique_without_add_data_structure ... ok [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_range - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/ch01p02.rs (/opt/rustwide/target/debug/deps/ch01p02-835078a7353a323b) [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 src/bin/ch01p03.rs (/opt/rustwide/target/debug/deps/ch01p03-443646b7330d09f6) [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 src/bin/ch01p04.rs (/opt/rustwide/target/debug/deps/ch01p04-eef4d9af4668b480) [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 src/bin/ch01p05.rs (/opt/rustwide/target/debug/deps/ch01p05-e0bd3fca8562b9b3) [INFO] [stdout] [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 src/bin/ch01p06.rs (/opt/rustwide/target/debug/deps/ch01p06-811425cc3990367f) [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] [stderr] Running unittests src/bin/ch01p07.rs (/opt/rustwide/target/debug/deps/ch01p07-8ea7b5c398cb7d12) [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 src/bin/ch01p08.rs (/opt/rustwide/target/debug/deps/ch01p08-6dedc504e7f074b3) [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 src/bin/ch01p09.rs (/opt/rustwide/target/debug/deps/ch01p09-d887933c7705198e) [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 src/bin/ch02p01.rs (/opt/rustwide/target/debug/deps/ch02p01-116db6430899a1c5) [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 src/bin/ch02p02.rs (/opt/rustwide/target/debug/deps/ch02p02-a2f980618d5a9a1d) [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 src/bin/ch02p03.rs (/opt/rustwide/target/debug/deps/ch02p03-38bacc665e38c877) [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 src/bin/ch02p04.rs (/opt/rustwide/target/debug/deps/ch02p04-ca195062bb2462b2) [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 src/bin/ch02p05.rs (/opt/rustwide/target/debug/deps/ch02p05-88e246595b64587a) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_sum_list ... ok [INFO] [stderr] Running unittests src/bin/ch02p06.rs (/opt/rustwide/target/debug/deps/ch02p06-129797553fc980e1) [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 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 src/bin/ch02p07.rs (/opt/rustwide/target/debug/deps/ch02p07-9e6f3ab354ba9cc9) [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 src/bin/ch02p08.rs (/opt/rustwide/target/debug/deps/ch02p08-07d8f53e5a64f2ca) [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 src/bin/ch03p02.rs (/opt/rustwide/target/debug/deps/ch03p02-4f0d21c240229287) [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 src/bin/ch03p04.rs (/opt/rustwide/target/debug/deps/ch03p04-0acdab75311d0c21) [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 src/bin/ch03p05.rs (/opt/rustwide/target/debug/deps/ch03p05-5289117cc88bba89) [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 src/bin/ch03p06.rs (/opt/rustwide/target/debug/deps/ch03p06-516f950302990637) [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 src/bin/ch04p02.rs (/opt/rustwide/target/debug/deps/ch04p02-9c14789025f81292) [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 src/bin/ch04p03.rs (/opt/rustwide/target/debug/deps/ch04p03-9657849f145e50c2) [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 src/bin/ch04p04.rs (/opt/rustwide/target/debug/deps/ch04p04-79b75c13529d5f55) [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 src/bin/ch04p05.rs (/opt/rustwide/target/debug/deps/ch04p05-60a77d81d698d688) [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 src/bin/ch04p06.rs (/opt/rustwide/target/debug/deps/ch04p06-4f30e8f557dc8216) [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 src/bin/ch04p11.rs (/opt/rustwide/target/debug/deps/ch04p11-96e53a9c69100934) [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 src/bin/ch04p12.rs (/opt/rustwide/target/debug/deps/ch04p12-7346ea7f10022997) [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 src/bin/ch05p01.rs (/opt/rustwide/target/debug/deps/ch05p01-d55d3849cc70db6a) [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 src/bin/ch05p02.rs (/opt/rustwide/target/debug/deps/ch05p02-55cc0d27381eef68) [INFO] [stdout] [INFO] [stdout] running 1 test [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] [stderr] Running unittests src/bin/ch05p03.rs (/opt/rustwide/target/debug/deps/ch05p03-8225e0fc2f012514) [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 src/bin/ch05p04.rs (/opt/rustwide/target/debug/deps/ch05p04-3af315cace74aac4) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests src/bin/ch05p05.rs (/opt/rustwide/target/debug/deps/ch05p05-fce61b98dd56a4a7) [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 src/bin/ch05p06.rs (/opt/rustwide/target/debug/deps/ch05p06-ff3fdd0523bb91ad) [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 src/bin/ch05p07.rs (/opt/rustwide/target/debug/deps/ch05p07-2f2ead0052b3c221) [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] [stderr] Running unittests src/bin/ch05p08.rs (/opt/rustwide/target/debug/deps/ch05p08-1735ba4238b54f2b) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Running unittests src/bin/ch07p01.rs (/opt/rustwide/target/debug/deps/ch07p01-07c1c781556f2738) [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] [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] [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 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] [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] [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] [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] [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] [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] Running unittests src/bin/ch07p02.rs (/opt/rustwide/target/debug/deps/ch07p02-04edca2ad22d0ccd) [INFO] [stderr] Running unittests src/bin/ch07p12.rs (/opt/rustwide/target/debug/deps/ch07p12-51d31423f516a92a) [INFO] [stderr] Running unittests src/bin/ch08p01.rs (/opt/rustwide/target/debug/deps/ch08p01-455a8b875094eb9c) [INFO] [stderr] Running unittests src/bin/ch08p03.rs (/opt/rustwide/target/debug/deps/ch08p03-74a1e7388d9b6f96) [INFO] [stderr] Running unittests src/bin/ch08p11.rs (/opt/rustwide/target/debug/deps/ch08p11-be3e00b22c515c27) [INFO] [stderr] Running unittests src/bin/ch08p12.rs (/opt/rustwide/target/debug/deps/ch08p12-035e04e3c8003277) [INFO] [stderr] Running unittests src/bin/ch10p01.rs (/opt/rustwide/target/debug/deps/ch10p01-07c612af0c582101) [INFO] [stderr] Running unittests src/bin/ch10p02.rs (/opt/rustwide/target/debug/deps/ch10p02-83ce5ebb654430c6) [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" "d429a5e96be1e2febf161d607cdbf1dac1952bf61202b66ec4f79df34c982e5b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d429a5e96be1e2febf161d607cdbf1dac1952bf61202b66ec4f79df34c982e5b", kill_on_drop: false }` [INFO] [stdout] d429a5e96be1e2febf161d607cdbf1dac1952bf61202b66ec4f79df34c982e5b