[INFO] cloning repository https://github.com/sdobz/rust-follow-along [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sdobz/rust-follow-along" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdobz%2Frust-follow-along", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdobz%2Frust-follow-along'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 15471338aa916f44df49638cd48fa6ff21536e5e [INFO] testing sdobz/rust-follow-along against 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdobz%2Frust-follow-along" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sdobz/rust-follow-along on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sdobz/rust-follow-along [INFO] finished tweaking git repo https://github.com/sdobz/rust-follow-along [INFO] tweaked toml for git repo https://github.com/sdobz/rust-follow-along written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/sdobz/rust-follow-along already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f23a56f6a53466ed081c2730401c0657d708cbdf57e60e02b00eddb8f516e188 [INFO] running `Command { std: "docker" "start" "-a" "f23a56f6a53466ed081c2730401c0657d708cbdf57e60e02b00eddb8f516e188", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f23a56f6a53466ed081c2730401c0657d708cbdf57e60e02b00eddb8f516e188", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f23a56f6a53466ed081c2730401c0657d708cbdf57e60e02b00eddb8f516e188", kill_on_drop: false }` [INFO] [stdout] f23a56f6a53466ed081c2730401c0657d708cbdf57e60e02b00eddb8f516e188 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4037a85211914763f180e0d7ce1dda22317696517092f8d736279adab6420b6f [INFO] running `Command { std: "docker" "start" "-a" "4037a85211914763f180e0d7ce1dda22317696517092f8d736279adab6420b6f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.43 [INFO] [stderr] Compiling ch13b_minigrep2 v0.1.0 (/opt/rustwide/workdir/ch13b_minigrep2) [INFO] [stderr] Compiling ch20_webserver v0.1.0 (/opt/rustwide/workdir/ch20_webserver) [INFO] [stderr] Compiling ch17_objectoriented v0.1.0 (/opt/rustwide/workdir/ch17_objectoriented) [INFO] [stderr] Compiling ch12_minigrep v0.1.0 (/opt/rustwide/workdir/ch12_minigrep) [INFO] [stderr] Compiling ch07_modules v0.1.0 (/opt/rustwide/workdir/ch07_modules) [INFO] [stderr] Compiling ch10_generics v0.1.0 (/opt/rustwide/workdir/ch10_generics) [INFO] [stderr] Compiling ch09_errors v0.1.0 (/opt/rustwide/workdir/ch09_errors) [INFO] [stderr] Compiling ch19_advacedfeatures v0.1.0 (/opt/rustwide/workdir/ch19_advancedfeatures) [INFO] [stderr] Compiling ch04b_slices v0.1.0 (/opt/rustwide/workdir/ch04b_slices) [INFO] [stderr] Compiling ch01_getting_started v0.1.0 (/opt/rustwide/workdir/ch01_getting_started) [INFO] [stderr] Compiling ch03b_functions v0.1.0 (/opt/rustwide/workdir/ch03b_functions) [INFO] [stderr] Compiling ch15_smartpointers v0.1.0 (/opt/rustwide/workdir/ch15_smartpointers) [INFO] [stderr] Compiling ch03a_variables v0.1.0 (/opt/rustwide/workdir/ch03a_variables) [INFO] [stderr] Compiling ch05_structs v0.1.0 (/opt/rustwide/workdir/ch05_structs) [INFO] [stderr] Compiling ch03c_branches v0.1.0 (/opt/rustwide/workdir/ch03c_branches) [INFO] [stderr] Compiling ch13a_functional v0.1.0 (/opt/rustwide/workdir/ch13a_functional) [INFO] [stderr] Compiling ch16_concurrency v0.1.0 (/opt/rustwide/workdir/ch16_concurrency) [INFO] [stderr] Compiling ch18_patterns v0.1.0 (/opt/rustwide/workdir/ch18_patterns) [INFO] [stderr] Compiling ch04a_ownership v0.1.0 (/opt/rustwide/workdir/ch04a_ownership) [INFO] [stderr] Compiling ch08_collections v0.1.0 (/opt/rustwide/workdir/ch08_collections) [INFO] [stderr] Compiling ch11_tests v0.1.0 (/opt/rustwide/workdir/ch11_tests) [INFO] [stderr] Compiling ch06_enums v0.1.0 (/opt/rustwide/workdir/ch06_enums) [INFO] [stdout] warning: variant is never constructed: `Alaska` [INFO] [stdout] --> ch06_enums/src/main.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | Alaska, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `LimitTracker` [INFO] [stdout] --> ch15_smartpointers/src/refcell.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct LimitTracker<'a, T: 'a + Messenger> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> ch15_smartpointers/src/refcell.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn new(messenger: &T, max: usize) -> LimitTracker { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_value` [INFO] [stdout] --> ch15_smartpointers/src/refcell.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn set_value(&mut self, value: usize) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `value` [INFO] [stdout] --> ch15_smartpointers/src/weakrc.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | value: i32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `children` [INFO] [stdout] --> ch15_smartpointers/src/weakrc.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | children: RefCell>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Penny` [INFO] [stdout] --> ch06_enums/src/main.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | Penny, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nickel` [INFO] [stdout] --> ch06_enums/src/main.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | Nickel, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Dime` [INFO] [stdout] --> ch06_enums/src/main.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | Dime, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `value` [INFO] [stdout] --> ch11_tests/src/lib.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | value: u32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Context` [INFO] [stdout] --> ch19_advancedfeatures/src/lifetimes.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Context<'s>(&'s str); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Parser` [INFO] [stdout] --> ch19_advancedfeatures/src/lifetimes.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Parser<'c, 's: 'c> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parse` [INFO] [stdout] --> ch19_advancedfeatures/src/lifetimes.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | fn parse(&self) -> Result<(), &'s str> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `parse_context` [INFO] [stdout] --> ch19_advancedfeatures/src/lifetimes.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | fn parse_context(context: Context) -> Result<(), &str> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `diameter` [INFO] [stdout] --> ch19_advancedfeatures/src/lifetimes.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | diameter: &'a i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `StrWrap` [INFO] [stdout] --> ch19_advancedfeatures/src/lifetimes.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | struct StrWrap<'a>(&'a str); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `foo` [INFO] [stdout] --> ch19_advancedfeatures/src/lifetimes.rs:34:4 [INFO] [stdout] | [INFO] [stdout] 34 | fn foo<'a>(string: &'a str) -> StrWrap<'a> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `foo_anon_lifetime` [INFO] [stdout] --> ch19_advancedfeatures/src/lifetimes.rs:38:4 [INFO] [stdout] | [INFO] [stdout] 38 | fn foo_anon_lifetime(string: &str) -> StrWrap<'_> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> ch18_patterns/src/main.rs:69:13 [INFO] [stdout] | [INFO] [stdout] 69 | 'a' ... 'j' => println!("Early ASCII letter"), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> ch18_patterns/src/main.rs:70:13 [INFO] [stdout] | [INFO] [stdout] 70 | 'k' ... 'z' => println!("Late ASCII letter"), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> ch18_patterns/src/main.rs:221:50 [INFO] [stdout] | [INFO] [stdout] 221 | HelloMessage::Hello { id: id_variable @ 3...7 } => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> ch18_patterns/src/main.rs:225:37 [INFO] [stdout] | [INFO] [stdout] 225 | HelloMessage::Hello { id: 10...12 } => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `MAX_POINTS` [INFO] [stdout] --> ch03a_variables/src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | const MAX_POINTS: u128 = 200_000; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `width` [INFO] [stdout] --> ch17_objectoriented/src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | width: u32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `height` [INFO] [stdout] --> ch17_objectoriented/src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | height: u32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `setting_value` is never read [INFO] [stdout] --> ch18_patterns/src/main.rs:148:13 [INFO] [stdout] | [INFO] [stdout] 148 | setting_value = new_setting_value; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> ch13a_functional/src/iterators.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 38 | fn new() -> Counter { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `y` [INFO] [stdout] --> ch18_patterns/src/main.rs:257:5 [INFO] [stdout] | [INFO] [stdout] 257 | y: i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `z` [INFO] [stdout] --> ch18_patterns/src/main.rs:258:5 [INFO] [stdout] | [INFO] [stdout] 258 | z: i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Quit` [INFO] [stdout] --> ch18_patterns/src/main.rs:262:5 [INFO] [stdout] | [INFO] [stdout] 262 | Quit, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Move` [INFO] [stdout] --> ch18_patterns/src/main.rs:263:5 [INFO] [stdout] | [INFO] [stdout] 263 | Move { x: i32, y: i32 }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Write` [INFO] [stdout] --> ch18_patterns/src/main.rs:264:5 [INFO] [stdout] | [INFO] [stdout] 264 | Write(String), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Rgb` [INFO] [stdout] --> ch18_patterns/src/main.rs:269:5 [INFO] [stdout] | [INFO] [stdout] 269 | Rgb(i32, i32, i32), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand v0.4.3 [INFO] [stderr] Compiling rand v0.3.22 [INFO] [stderr] Compiling ch14b_add_one v0.1.0 (/opt/rustwide/workdir/ch14b_add_one) [INFO] [stderr] Compiling ch02_guessing_game v0.1.0 (/opt/rustwide/workdir/ch02_guessing_game) [INFO] [stderr] Compiling ch14a_adder v0.1.0 (/opt/rustwide/workdir/ch14a_adder) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.01s [INFO] running `Command { std: "docker" "inspect" "4037a85211914763f180e0d7ce1dda22317696517092f8d736279adab6420b6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4037a85211914763f180e0d7ce1dda22317696517092f8d736279adab6420b6f", kill_on_drop: false }` [INFO] [stdout] 4037a85211914763f180e0d7ce1dda22317696517092f8d736279adab6420b6f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] da3801a61fbaccffd0322e69162d9d662017f5b539cd6fbf5218f2bd9e6d4e74 [INFO] running `Command { std: "docker" "start" "-a" "da3801a61fbaccffd0322e69162d9d662017f5b539cd6fbf5218f2bd9e6d4e74", kill_on_drop: false }` [INFO] [stdout] warning: field is never read: `value` [INFO] [stdout] --> ch11_tests/src/lib.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | value: u32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling ch03c_branches v0.1.0 (/opt/rustwide/workdir/ch03c_branches) [INFO] [stderr] Compiling ch01_getting_started v0.1.0 (/opt/rustwide/workdir/ch01_getting_started) [INFO] [stderr] Compiling ch10_generics v0.1.0 (/opt/rustwide/workdir/ch10_generics) [INFO] [stderr] Compiling ch20_webserver v0.1.0 (/opt/rustwide/workdir/ch20_webserver) [INFO] [stderr] Compiling ch17_objectoriented v0.1.0 (/opt/rustwide/workdir/ch17_objectoriented) [INFO] [stderr] Compiling ch03a_variables v0.1.0 (/opt/rustwide/workdir/ch03a_variables) [INFO] [stderr] Compiling ch08_collections v0.1.0 (/opt/rustwide/workdir/ch08_collections) [INFO] [stderr] Compiling ch12_minigrep v0.1.0 (/opt/rustwide/workdir/ch12_minigrep) [INFO] [stderr] Compiling ch18_patterns v0.1.0 (/opt/rustwide/workdir/ch18_patterns) [INFO] [stderr] Compiling ch13a_functional v0.1.0 (/opt/rustwide/workdir/ch13a_functional) [INFO] [stderr] Compiling ch05_structs v0.1.0 (/opt/rustwide/workdir/ch05_structs) [INFO] [stderr] Compiling ch16_concurrency v0.1.0 (/opt/rustwide/workdir/ch16_concurrency) [INFO] [stderr] Compiling ch15_smartpointers v0.1.0 (/opt/rustwide/workdir/ch15_smartpointers) [INFO] [stderr] Compiling ch09_errors v0.1.0 (/opt/rustwide/workdir/ch09_errors) [INFO] [stderr] Compiling ch06_enums v0.1.0 (/opt/rustwide/workdir/ch06_enums) [INFO] [stderr] Compiling ch11_tests v0.1.0 (/opt/rustwide/workdir/ch11_tests) [INFO] [stderr] Compiling ch19_advacedfeatures v0.1.0 (/opt/rustwide/workdir/ch19_advancedfeatures) [INFO] [stderr] Compiling ch13b_minigrep2 v0.1.0 (/opt/rustwide/workdir/ch13b_minigrep2) [INFO] [stderr] Compiling ch04a_ownership v0.1.0 (/opt/rustwide/workdir/ch04a_ownership) [INFO] [stderr] Compiling ch03b_functions v0.1.0 (/opt/rustwide/workdir/ch03b_functions) [INFO] [stderr] Compiling ch07_modules v0.1.0 (/opt/rustwide/workdir/ch07_modules) [INFO] [stderr] Compiling ch04b_slices v0.1.0 (/opt/rustwide/workdir/ch04b_slices) [INFO] [stderr] Compiling ch02_guessing_game v0.1.0 (/opt/rustwide/workdir/ch02_guessing_game) [INFO] [stderr] Compiling ch14b_add_one v0.1.0 (/opt/rustwide/workdir/ch14b_add_one) [INFO] [stderr] Compiling ch14a_adder v0.1.0 (/opt/rustwide/workdir/ch14a_adder) [INFO] [stdout] warning: constant is never used: `MAX_POINTS` [INFO] [stdout] --> ch03a_variables/src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | const MAX_POINTS: u128 = 200_000; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Alaska` [INFO] [stdout] --> ch06_enums/src/main.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | Alaska, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Penny` [INFO] [stdout] --> ch06_enums/src/main.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | Penny, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nickel` [INFO] [stdout] --> ch06_enums/src/main.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | Nickel, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Dime` [INFO] [stdout] --> ch06_enums/src/main.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | Dime, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> ch18_patterns/src/main.rs:69:13 [INFO] [stdout] | [INFO] [stdout] 69 | 'a' ... 'j' => println!("Early ASCII letter"), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> ch18_patterns/src/main.rs:70:13 [INFO] [stdout] | [INFO] [stdout] 70 | 'k' ... 'z' => println!("Late ASCII letter"), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> ch18_patterns/src/main.rs:221:50 [INFO] [stdout] | [INFO] [stdout] 221 | HelloMessage::Hello { id: id_variable @ 3...7 } => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> ch18_patterns/src/main.rs:225:37 [INFO] [stdout] | [INFO] [stdout] 225 | HelloMessage::Hello { id: 10...12 } => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `value` [INFO] [stdout] --> ch11_tests/src/lib.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | value: u32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `setting_value` is never read [INFO] [stdout] --> ch18_patterns/src/main.rs:148:13 [INFO] [stdout] | [INFO] [stdout] 148 | setting_value = new_setting_value; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Context` [INFO] [stdout] --> ch19_advancedfeatures/src/lifetimes.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Context<'s>(&'s str); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Parser` [INFO] [stdout] --> ch19_advancedfeatures/src/lifetimes.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Parser<'c, 's: 'c> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parse` [INFO] [stdout] --> ch19_advancedfeatures/src/lifetimes.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | fn parse(&self) -> Result<(), &'s str> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `parse_context` [INFO] [stdout] --> ch19_advancedfeatures/src/lifetimes.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | fn parse_context(context: Context) -> Result<(), &str> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `diameter` [INFO] [stdout] --> ch19_advancedfeatures/src/lifetimes.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | diameter: &'a i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `StrWrap` [INFO] [stdout] --> ch19_advancedfeatures/src/lifetimes.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | struct StrWrap<'a>(&'a str); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `foo` [INFO] [stdout] --> ch19_advancedfeatures/src/lifetimes.rs:34:4 [INFO] [stdout] | [INFO] [stdout] 34 | fn foo<'a>(string: &'a str) -> StrWrap<'a> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `foo_anon_lifetime` [INFO] [stdout] --> ch19_advancedfeatures/src/lifetimes.rs:38:4 [INFO] [stdout] | [INFO] [stdout] 38 | fn foo_anon_lifetime(string: &str) -> StrWrap<'_> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `value` [INFO] [stdout] --> ch15_smartpointers/src/weakrc.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | value: i32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `children` [INFO] [stdout] --> ch15_smartpointers/src/weakrc.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | children: RefCell>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `y` [INFO] [stdout] --> ch18_patterns/src/main.rs:257:5 [INFO] [stdout] | [INFO] [stdout] 257 | y: i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `z` [INFO] [stdout] --> ch18_patterns/src/main.rs:258:5 [INFO] [stdout] | [INFO] [stdout] 258 | z: i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Quit` [INFO] [stdout] --> ch18_patterns/src/main.rs:262:5 [INFO] [stdout] | [INFO] [stdout] 262 | Quit, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Move` [INFO] [stdout] --> ch18_patterns/src/main.rs:263:5 [INFO] [stdout] | [INFO] [stdout] 263 | Move { x: i32, y: i32 }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Write` [INFO] [stdout] --> ch18_patterns/src/main.rs:264:5 [INFO] [stdout] | [INFO] [stdout] 264 | Write(String), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Rgb` [INFO] [stdout] --> ch18_patterns/src/main.rs:269:5 [INFO] [stdout] | [INFO] [stdout] 269 | Rgb(i32, i32, i32), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `width` [INFO] [stdout] --> ch17_objectoriented/src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | width: u32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `height` [INFO] [stdout] --> ch17_objectoriented/src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | height: u32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 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] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.59s [INFO] running `Command { std: "docker" "inspect" "da3801a61fbaccffd0322e69162d9d662017f5b539cd6fbf5218f2bd9e6d4e74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da3801a61fbaccffd0322e69162d9d662017f5b539cd6fbf5218f2bd9e6d4e74", kill_on_drop: false }` [INFO] [stdout] da3801a61fbaccffd0322e69162d9d662017f5b539cd6fbf5218f2bd9e6d4e74 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7e46f33e1c88ca8671255b32281cdc9c7708e31bc3e57592c6f1cacd72972ea6 [INFO] running `Command { std: "docker" "start" "-a" "7e46f33e1c88ca8671255b32281cdc9c7708e31bc3e57592c6f1cacd72972ea6", kill_on_drop: false }` [INFO] [stderr] warning: field is never read: `value` [INFO] [stderr] --> ch11_tests/src/lib.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | value: u32, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> ch18_patterns/src/main.rs:69:13 [INFO] [stderr] | [INFO] [stderr] 69 | 'a' ... 'j' => println!("Early ASCII letter"), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> ch18_patterns/src/main.rs:70:13 [INFO] [stderr] | [INFO] [stderr] 70 | 'k' ... 'z' => println!("Late ASCII letter"), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> ch18_patterns/src/main.rs:221:50 [INFO] [stderr] | [INFO] [stderr] 221 | HelloMessage::Hello { id: id_variable @ 3...7 } => { [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> ch18_patterns/src/main.rs:225:37 [INFO] [stderr] | [INFO] [stderr] 225 | HelloMessage::Hello { id: 10...12 } => { [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: value assigned to `setting_value` is never read [INFO] [stderr] --> ch18_patterns/src/main.rs:148:13 [INFO] [stderr] | [INFO] [stderr] 148 | setting_value = new_setting_value; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: field is never read: `y` [INFO] [stderr] --> ch18_patterns/src/main.rs:257:5 [INFO] [stderr] | [INFO] [stderr] 257 | y: i32, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `z` [INFO] [stderr] --> ch18_patterns/src/main.rs:258:5 [INFO] [stderr] | [INFO] [stderr] 258 | z: i32, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Quit` [INFO] [stderr] --> ch18_patterns/src/main.rs:262:5 [INFO] [stderr] | [INFO] [stderr] 262 | Quit, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Move` [INFO] [stderr] --> ch18_patterns/src/main.rs:263:5 [INFO] [stderr] | [INFO] [stderr] 263 | Move { x: i32, y: i32 }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Write` [INFO] [stderr] --> ch18_patterns/src/main.rs:264:5 [INFO] [stderr] | [INFO] [stderr] 264 | Write(String), [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Rgb` [INFO] [stderr] --> ch18_patterns/src/main.rs:269:5 [INFO] [stderr] | [INFO] [stderr] 269 | Rgb(i32, i32, i32), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `value` [INFO] [stderr] --> ch15_smartpointers/src/weakrc.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | value: i32, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `children` [INFO] [stderr] --> ch15_smartpointers/src/weakrc.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | children: RefCell>>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Context` [INFO] [stderr] --> ch19_advancedfeatures/src/lifetimes.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | struct Context<'s>(&'s str); [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Parser` [INFO] [stderr] --> ch19_advancedfeatures/src/lifetimes.rs:3:8 [INFO] [stderr] | [INFO] [stderr] 3 | struct Parser<'c, 's: 'c> { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `parse` [INFO] [stderr] --> ch19_advancedfeatures/src/lifetimes.rs:9:8 [INFO] [stderr] | [INFO] [stderr] 9 | fn parse(&self) -> Result<(), &'s str> { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `parse_context` [INFO] [stderr] --> ch19_advancedfeatures/src/lifetimes.rs:14:4 [INFO] [stderr] | [INFO] [stderr] 14 | fn parse_context(context: Context) -> Result<(), &str> { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `diameter` [INFO] [stderr] --> ch19_advancedfeatures/src/lifetimes.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | diameter: &'a i32, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `StrWrap` [INFO] [stderr] --> ch19_advancedfeatures/src/lifetimes.rs:32:8 [INFO] [stderr] | [INFO] [stderr] 32 | struct StrWrap<'a>(&'a str); [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `foo` [INFO] [stderr] --> ch19_advancedfeatures/src/lifetimes.rs:34:4 [INFO] [stderr] | [INFO] [stderr] 34 | fn foo<'a>(string: &'a str) -> StrWrap<'a> { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `foo_anon_lifetime` [INFO] [stderr] --> ch19_advancedfeatures/src/lifetimes.rs:38:4 [INFO] [stderr] | [INFO] [stderr] 38 | fn foo_anon_lifetime(string: &str) -> StrWrap<'_> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `MAX_POINTS` [INFO] [stderr] --> ch03a_variables/src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | const MAX_POINTS: u128 = 200_000; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Alaska` [INFO] [stderr] --> ch06_enums/src/main.rs:30:5 [INFO] [stderr] | [INFO] [stderr] 30 | Alaska, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Penny` [INFO] [stderr] --> ch06_enums/src/main.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | Penny, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Nickel` [INFO] [stderr] --> ch06_enums/src/main.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 36 | Nickel, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Dime` [INFO] [stderr] --> ch06_enums/src/main.rs:37:5 [INFO] [stderr] | [INFO] [stderr] 37 | Dime, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: `ch11_tests` (lib) generated 1 warning [INFO] [stderr] warning: `ch11_tests` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: `ch18_patterns` (bin "ch18_patterns" test) generated 11 warnings [INFO] [stderr] warning: `ch15_smartpointers` (bin "ch15_smartpointers" test) generated 2 warnings [INFO] [stderr] warning: `ch19_advacedfeatures` (bin "ch19_advacedfeatures" test) generated 8 warnings [INFO] [stderr] warning: `ch03a_variables` (bin "ch03a_variables" test) generated 1 warning [INFO] [stderr] warning: `ch06_enums` (bin "ch06_enums" test) generated 4 warnings [INFO] [stderr] warning: field is never read: `width` [INFO] [stderr] --> ch17_objectoriented/src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | width: u32, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `height` [INFO] [stderr] --> ch17_objectoriented/src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | height: u32, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `ch17_objectoriented` (bin "ch17_objectoriented" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ch01_getting_started-d406d304f8cc0c30) [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/ch02_guessing_game-23e764c99a164997) [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/ch03a_variables-d1f175f73e08bbce) [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/ch03b_functions-b9ce4e63f8f43cff) [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/ch03c_branches-c2392b737b2884fb) [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/ch04a_ownership-6d3ecbcb4912f73c) [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/ch04b_slices-a6dfc3a71e6a3179) [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/ch05_structs-6828a43c55910f25) [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/ch06_enums-2cada86ef22ecc00) [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/ch07_modules-f22886c940e49262) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::client_can_connect ... ok [INFO] [stdout] test tests::it_works ... 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/ch07_modules-0727824859bc4481) [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/ch08_collections-f8682119b68eeb24) [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/ch09_errors-7cecad269a2357ba) [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/ch10_generics-4cee1b4681219201) [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/ch11_tests-4eda5a7cd0764df6) [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test tests::expensive_failing_test ... ignored [INFO] [stdout] test tests::assertions ... ok [INFO] [stdout] test tests::can_access_private_fn ... ok [INFO] [stdout] test tests::failure ... ok [INFO] [stdout] test tests::greeting_contains_name ... ok [INFO] [stdout] test tests::it_adds_two ... ok [INFO] [stdout] test tests::larger_can_hold_smaller ... ok [INFO] [stdout] test tests::using_result ... ok [INFO] [stdout] test tests::smaller_cannot_hold_larger ... ok [INFO] [stdout] test tests::greater_than_100 - should panic ... ok [INFO] [stdout] test tests::panics_on_small - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 10 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-2418c57c6e28c514) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test it_adds_two ... 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/ch12_minigrep-4536d0f40ce4503e) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::case_insensitive ... ok [INFO] [stdout] test tests::one_result ... 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/ch12_minigrep-929d296840efee35) [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/ch13a_functional-a42d69dd32ff326e) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test iterators::tests::calling_next_directly ... ok [INFO] [stdout] test iterators::tests::filters_by_size ... ok [INFO] [stdout] test iterators::tests::iterator_sum ... ok [INFO] [stdout] test iterators::tests::using_other_iterator_methods ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 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/ch13b_minigrep2-76ece19a8153ddc8) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::case_insensitive ... ok [INFO] [stdout] test tests::one_result ... 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/ch13b_minigrep2-53c3d034ac89ac08) [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/ch14a_adder-c0af9d02d28f0a08) [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/ch14b_add_one-1c03d01b2814acc4) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::it_works ... 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/ch15_smartpointers-8a1670722b11140b) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test refcell::tests::it_sends_an_over_75_percent_warning ... ok [INFO] [stdout] test refcell::tests::it_panics_when_multi_mut_borrow - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 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/ch16_concurrency-3267222812cf9ad2) [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/ch17_objectoriented-d4bb7ad499cd727d) [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/ch17_objectoriented-c21f16e977d3d2d9) [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/ch18_patterns-1aba5ebee1780567) [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/ch19_advacedfeatures-023bd382067efeb3) [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/ch20_webserver-aafcc241fe21129d) [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/ch20_webserver-cf5309b5f02f78fc) [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] Doc-tests ch07_modules [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] Doc-tests ch11_tests [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] Doc-tests ch12_minigrep [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] Doc-tests ch13b_minigrep2 [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] Doc-tests ch14b_add_one [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] Doc-tests ch17_objectoriented [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] Doc-tests ch20_webserver [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" "7e46f33e1c88ca8671255b32281cdc9c7708e31bc3e57592c6f1cacd72972ea6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e46f33e1c88ca8671255b32281cdc9c7708e31bc3e57592c6f1cacd72972ea6", kill_on_drop: false }` [INFO] [stdout] 7e46f33e1c88ca8671255b32281cdc9c7708e31bc3e57592c6f1cacd72972ea6