[INFO] cloning repository https://github.com/sam-myers/enigma [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sam-myers/enigma" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsam-myers%2Fenigma", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsam-myers%2Fenigma'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d8f2c98a155093e4e1db8ab7181838d3d1fbd9e1 [INFO] checking sam-myers/enigma against try#654bc80249a2b2ba8bd16392b5829d87ed96c92d for pr-136458 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsam-myers%2Fenigma" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sam-myers/enigma on toolchain 654bc80249a2b2ba8bd16392b5829d87ed96c92d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+654bc80249a2b2ba8bd16392b5829d87ed96c92d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sam-myers/enigma [INFO] finished tweaking git repo https://github.com/sam-myers/enigma [INFO] tweaked toml for git repo https://github.com/sam-myers/enigma written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/sam-myers/enigma 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" "+654bc80249a2b2ba8bd16392b5829d87ed96c92d" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pretty_env_logger v0.3.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+654bc80249a2b2ba8bd16392b5829d87ed96c92d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6165f5a77e1dff68ff8bd37041e3f2ac91686157330fe365f4433da4f0426a54 [INFO] running `Command { std: "docker" "start" "-a" "6165f5a77e1dff68ff8bd37041e3f2ac91686157330fe365f4433da4f0426a54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6165f5a77e1dff68ff8bd37041e3f2ac91686157330fe365f4433da4f0426a54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6165f5a77e1dff68ff8bd37041e3f2ac91686157330fe365f4433da4f0426a54", kill_on_drop: false }` [INFO] [stdout] 6165f5a77e1dff68ff8bd37041e3f2ac91686157330fe365f4433da4f0426a54 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+654bc80249a2b2ba8bd16392b5829d87ed96c92d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 33a47bfd84478834fb0336cd63db85fc8e6f41b9b37eb2956eb0c4be8f259b2d [INFO] running `Command { std: "docker" "start" "-a" "33a47bfd84478834fb0336cd63db85fc8e6f41b9b37eb2956eb0c4be8f259b2d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Checking ppv-lite86 v0.2.15 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking bit-set v0.5.2 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking quick-error v2.0.1 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Checking proptest v1.0.0 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking pretty_env_logger v0.3.1 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking enigma v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Enigma` is never constructed [INFO] [stdout] --> src/enigma.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Enigma { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `rotate`, `rotor_positions`, `encrypt_char`, and `encrypt_string` are never used [INFO] [stdout] --> src/enigma.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 16 | impl Enigma { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 17 | pub fn new( [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | fn rotate(&mut self) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | pub fn rotor_positions(&self) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 52 | pub fn encrypt_char(&mut self, c: char) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 87 | pub fn encrypt_string(&mut self, input: String) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Result` is never used [INFO] [stdout] --> src/error.rs:3:10 [INFO] [stdout] | [INFO] [stdout] 3 | pub type Result = std::result::Result; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `InvalidChar` is never constructed [INFO] [stdout] --> src/error.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub enum EnigmaError { [INFO] [stdout] | ----------- variant in this enum [INFO] [stdout] 7 | #[error("Cannot process character {0}")] [INFO] [stdout] 8 | InvalidChar(char), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `EnigmaError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Single` and `Double` are never constructed [INFO] [stdout] --> src/physical_rotor.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub(crate) enum Notches { [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] 11 | Single(u8), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 12 | Double(u8, u8), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Notches` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `new` and `build` are never used [INFO] [stdout] --> src/physical_rotor.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 28 | impl PhysicalRotor { [INFO] [stdout] | ------------------ associated functions in this implementation [INFO] [stdout] 29 | pub fn new(known: KnownRotor) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 63 | fn build(name: &'static str, encoding: &'static str, notches: Notches) -> Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PlugBoard` is never constructed [INFO] [stdout] --> src/plugboard.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct PlugBoard(Vec<(char, char)>); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `swap` are never used [INFO] [stdout] --> src/plugboard.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 3 | impl PlugBoard { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] 4 | pub fn new(connections: Vec<(char, char)>) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 8 | pub fn swap(&self, c: &char) -> char { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Reflector` is never constructed [INFO] [stdout] --> src/reflector.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Reflector { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `build`, and `reflect` are never used [INFO] [stdout] --> src/reflector.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl Reflector { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] 14 | pub fn new(known: KnownReflector) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | fn build(name: &'static str, encoding: &'static str) -> Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | pub fn reflect(&self, c: char) -> char { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Forward` and `Backward` are never constructed [INFO] [stdout] --> src/rotor.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub enum Direction { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] 10 | Forward, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 11 | Backward, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Direction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `encipher`, `is_at_notch`, `rotate`, and `get_position` are never used [INFO] [stdout] --> src/rotor.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 21 | impl Rotor { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 22 | pub fn new(physical: PhysicalRotor, ring_setting: RingSetting, position: Position) -> Rotor { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | pub fn encipher(&self, c: char, direction: Direction) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | pub fn is_at_notch(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | pub fn rotate(&mut self) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 58 | pub fn get_position(&self) -> char { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/reflector.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Reflector { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 2 | pub name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.09s [INFO] running `Command { std: "docker" "inspect" "33a47bfd84478834fb0336cd63db85fc8e6f41b9b37eb2956eb0c4be8f259b2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33a47bfd84478834fb0336cd63db85fc8e6f41b9b37eb2956eb0c4be8f259b2d", kill_on_drop: false }` [INFO] [stdout] 33a47bfd84478834fb0336cd63db85fc8e6f41b9b37eb2956eb0c4be8f259b2d