[INFO] cloning repository https://github.com/Sam647254/Niverno
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sam647254/Niverno" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSam647254%2FNiverno", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSam647254%2FNiverno'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 969285f519a92806f017e5bff636c8dff4ec2370
[INFO] building Sam647254/Niverno against master#9bd71afb90c2a6e0348cdd4a2b10a3bf39908f19 for pr-117684
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSam647254%2FNiverno" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Sam647254/Niverno on toolchain 9bd71afb90c2a6e0348cdd4a2b10a3bf39908f19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9bd71afb90c2a6e0348cdd4a2b10a3bf39908f19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Sam647254/Niverno
[INFO] finished tweaking git repo https://github.com/Sam647254/Niverno
[INFO] tweaked toml for git repo https://github.com/Sam647254/Niverno written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Sam647254/Niverno 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" "+9bd71afb90c2a6e0348cdd4a2b10a3bf39908f19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] building Sam647254/Niverno against try#53e03135c36e913ff664ce8329041b7e3c2fd358 for pr-117684
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSam647254%2FNiverno" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Sam647254/Niverno on toolchain 53e03135c36e913ff664ce8329041b7e3c2fd358
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+53e03135c36e913ff664ce8329041b7e3c2fd358" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Sam647254/Niverno
[INFO] finished tweaking git repo https://github.com/Sam647254/Niverno
[INFO] tweaked toml for git repo https://github.com/Sam647254/Niverno written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Sam647254/Niverno 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" "+53e03135c36e913ff664ce8329041b7e3c2fd358" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+53e03135c36e913ff664ce8329041b7e3c2fd358" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b28b237076a96de667ea9e2a1fd9d23e9cd339026614efeeb2c66ae3ca0f47e
[INFO] running `Command { std: "docker" "start" "-a" "8b28b237076a96de667ea9e2a1fd9d23e9cd339026614efeeb2c66ae3ca0f47e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b28b237076a96de667ea9e2a1fd9d23e9cd339026614efeeb2c66ae3ca0f47e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b28b237076a96de667ea9e2a1fd9d23e9cd339026614efeeb2c66ae3ca0f47e", kill_on_drop: false }`
[INFO] [stdout] 8b28b237076a96de667ea9e2a1fd9d23e9cd339026614efeeb2c66ae3ca0f47e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+53e03135c36e913ff664ce8329041b7e3c2fd358" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fcb96ecf1834edc6f9a26c19b74a3729a01a46ff072693fd1bf3b172f4f3e03
[INFO] running `Command { std: "docker" "start" "-a" "1fcb96ecf1834edc6f9a26c19b74a3729a01a46ff072693fd1bf3b172f4f3e03", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling niverno v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `prototype`
[INFO] [stdout]   --> src/grammar/morphology/mod.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn derivations_of(prototype: Prototype) -> HashSet<Derivation> {
[INFO] [stdout]    |                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prototype`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prototype`
[INFO] [stdout]   --> src/grammar/morphology/mod.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn inflections_of(prototype: &Prototype) -> HashSet<Inflection> {
[INFO] [stdout]    |                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prototype`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DerivedPrototype` is never constructed
[INFO] [stdout]  --> src/grammar/morphology/mod.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct DerivedPrototype {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `derivations_of` is never used
[INFO] [stdout]   --> src/grammar/morphology/mod.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn derivations_of(prototype: Prototype) -> HashSet<Derivation> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `inflections_of` is never used
[INFO] [stdout]   --> src/grammar/morphology/mod.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn inflections_of(prototype: &Prototype) -> HashSet<Inflection> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Derivation` is never used
[INFO] [stdout]  --> src/grammar/morphology/derivations.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum Derivation {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/grammar/morphology/inflections.rs:3:4
[INFO] [stdout]    |
[INFO] [stdout] 2  | pub enum Inflection {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout] 3  |    Nonspecific,
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 4  |    Specific,
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 5  |    Anaphor,
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 6  |    Archetype,
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 7  |    Associated,
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 8  |    Detached,
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 9  |    StartImperative,
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 10 |    StopImperative,
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 11 |    Started,
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 12 |    Finished,
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 13 |    NotStarted,
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 14 |    Paused,
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 15 |    Stopped,
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 16 |    Cancelled,
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 17 |    Right,
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 18 |    Left,
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Inflection` 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 `Singleton` and `Mass` are never constructed
[INFO] [stdout]  --> src/grammar/prototypes/noun.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Enumerability {
[INFO] [stdout]   |          ------------- variants in this enum
[INFO] [stdout] 4 |    Countable,
[INFO] [stdout] 5 |    Singleton,
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 6 |    Mass,
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Mid` is never constructed
[INFO] [stdout]   --> src/grammar/prototypes/noun.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub enum Flavour {
[INFO] [stdout]    |          ------- variant in this enum
[INFO] [stdout] 10 |    Open,
[INFO] [stdout] 11 |    Mid,
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Common` and `Intrinsic` are never constructed
[INFO] [stdout]   --> src/grammar/prototypes/noun.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum Associability {
[INFO] [stdout]    |          ------------- variants in this enum
[INFO] [stdout] 15 |    Common,
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 16 |    Associable,
[INFO] [stdout] 17 |    Intrinsic,
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Multiple` and `Global` are never constructed
[INFO] [stdout]  --> src/grammar/prototypes/verb.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Receiver {
[INFO] [stdout]   |          -------- variants in this enum
[INFO] [stdout] 4 |    Single,
[INFO] [stdout] 5 |    Multiple,
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 6 |    Global,
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Zero` and `Two` are never constructed
[INFO] [stdout]   --> src/grammar/prototypes/verb.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub enum Valency {
[INFO] [stdout]    |          ------- variants in this enum
[INFO] [stdout] 10 |    Zero,
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 11 |    One,
[INFO] [stdout] 12 |    Two,
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "1fcb96ecf1834edc6f9a26c19b74a3729a01a46ff072693fd1bf3b172f4f3e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fcb96ecf1834edc6f9a26c19b74a3729a01a46ff072693fd1bf3b172f4f3e03", kill_on_drop: false }`
[INFO] [stdout] 1fcb96ecf1834edc6f9a26c19b74a3729a01a46ff072693fd1bf3b172f4f3e03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+53e03135c36e913ff664ce8329041b7e3c2fd358" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83e4bfa16a766682d376f96bd992496b3276a308b6586e38c69fe37841209c49
[INFO] running `Command { std: "docker" "start" "-a" "83e4bfa16a766682d376f96bd992496b3276a308b6586e38c69fe37841209c49", kill_on_drop: false }`
[INFO] [stderr]    Compiling niverno v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `prototype`
[INFO] [stdout]   --> src/grammar/morphology/mod.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn derivations_of(prototype: Prototype) -> HashSet<Derivation> {
[INFO] [stdout]    |                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prototype`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prototype`
[INFO] [stdout]   --> src/grammar/morphology/mod.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn inflections_of(prototype: &Prototype) -> HashSet<Inflection> {
[INFO] [stdout]    |                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prototype`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DerivedPrototype` is never constructed
[INFO] [stdout]  --> src/grammar/morphology/mod.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct DerivedPrototype {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `derivations_of` is never used
[INFO] [stdout]   --> src/grammar/morphology/mod.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn derivations_of(prototype: Prototype) -> HashSet<Derivation> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `inflections_of` is never used
[INFO] [stdout]   --> src/grammar/morphology/mod.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn inflections_of(prototype: &Prototype) -> HashSet<Inflection> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Derivation` is never used
[INFO] [stdout]  --> src/grammar/morphology/derivations.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum Derivation {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/grammar/morphology/inflections.rs:3:4
[INFO] [stdout]    |
[INFO] [stdout] 2  | pub enum Inflection {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout] 3  |    Nonspecific,
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 4  |    Specific,
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 5  |    Anaphor,
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 6  |    Archetype,
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 7  |    Associated,
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 8  |    Detached,
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 9  |    StartImperative,
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 10 |    StopImperative,
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 11 |    Started,
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 12 |    Finished,
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 13 |    NotStarted,
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 14 |    Paused,
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 15 |    Stopped,
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 16 |    Cancelled,
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 17 |    Right,
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 18 |    Left,
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Inflection` 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 `Singleton` and `Mass` are never constructed
[INFO] [stdout]  --> src/grammar/prototypes/noun.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Enumerability {
[INFO] [stdout]   |          ------------- variants in this enum
[INFO] [stdout] 4 |    Countable,
[INFO] [stdout] 5 |    Singleton,
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 6 |    Mass,
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Mid` is never constructed
[INFO] [stdout]   --> src/grammar/prototypes/noun.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub enum Flavour {
[INFO] [stdout]    |          ------- variant in this enum
[INFO] [stdout] 10 |    Open,
[INFO] [stdout] 11 |    Mid,
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Common` and `Intrinsic` are never constructed
[INFO] [stdout]   --> src/grammar/prototypes/noun.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum Associability {
[INFO] [stdout]    |          ------------- variants in this enum
[INFO] [stdout] 15 |    Common,
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 16 |    Associable,
[INFO] [stdout] 17 |    Intrinsic,
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Multiple` and `Global` are never constructed
[INFO] [stdout]  --> src/grammar/prototypes/verb.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Receiver {
[INFO] [stdout]   |          -------- variants in this enum
[INFO] [stdout] 4 |    Single,
[INFO] [stdout] 5 |    Multiple,
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 6 |    Global,
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Zero` and `Two` are never constructed
[INFO] [stdout]   --> src/grammar/prototypes/verb.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub enum Valency {
[INFO] [stdout]    |          ------- variants in this enum
[INFO] [stdout] 10 |    Zero,
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 11 |    One,
[INFO] [stdout] 12 |    Two,
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::FromIterator`
[INFO] [stdout]   --> src/grammar/morphology/mod.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |    use std::iter::FromIterator;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prototype`
[INFO] [stdout]   --> src/grammar/morphology/mod.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn derivations_of(prototype: Prototype) -> HashSet<Derivation> {
[INFO] [stdout]    |                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prototype`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prototype`
[INFO] [stdout]   --> src/grammar/morphology/mod.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn inflections_of(prototype: &Prototype) -> HashSet<Inflection> {
[INFO] [stdout]    |                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prototype`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DerivedPrototype` is never constructed
[INFO] [stdout]  --> src/grammar/morphology/mod.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct DerivedPrototype {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `derivations_of` is never used
[INFO] [stdout]   --> src/grammar/morphology/mod.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn derivations_of(prototype: Prototype) -> HashSet<Derivation> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Derivation` is never used
[INFO] [stdout]  --> src/grammar/morphology/derivations.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum Derivation {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/grammar/morphology/inflections.rs:8:4
[INFO] [stdout]    |
[INFO] [stdout] 2  | pub enum Inflection {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 8  |    Detached,
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 9  |    StartImperative,
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 10 |    StopImperative,
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 11 |    Started,
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 12 |    Finished,
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 13 |    NotStarted,
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 14 |    Paused,
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 15 |    Stopped,
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 16 |    Cancelled,
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 17 |    Right,
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 18 |    Left,
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Inflection` 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 `Singleton` and `Mass` are never constructed
[INFO] [stdout]  --> src/grammar/prototypes/noun.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Enumerability {
[INFO] [stdout]   |          ------------- variants in this enum
[INFO] [stdout] 4 |    Countable,
[INFO] [stdout] 5 |    Singleton,
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 6 |    Mass,
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Mid` is never constructed
[INFO] [stdout]   --> src/grammar/prototypes/noun.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub enum Flavour {
[INFO] [stdout]    |          ------- variant in this enum
[INFO] [stdout] 10 |    Open,
[INFO] [stdout] 11 |    Mid,
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Common` and `Intrinsic` are never constructed
[INFO] [stdout]   --> src/grammar/prototypes/noun.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum Associability {
[INFO] [stdout]    |          ------------- variants in this enum
[INFO] [stdout] 15 |    Common,
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 16 |    Associable,
[INFO] [stdout] 17 |    Intrinsic,
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Multiple` and `Global` are never constructed
[INFO] [stdout]  --> src/grammar/prototypes/verb.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Receiver {
[INFO] [stdout]   |          -------- variants in this enum
[INFO] [stdout] 4 |    Single,
[INFO] [stdout] 5 |    Multiple,
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 6 |    Global,
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Zero` and `Two` are never constructed
[INFO] [stdout]   --> src/grammar/prototypes/verb.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub enum Valency {
[INFO] [stdout]    |          ------- variants in this enum
[INFO] [stdout] 10 |    Zero,
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 11 |    One,
[INFO] [stdout] 12 |    Two,
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "83e4bfa16a766682d376f96bd992496b3276a308b6586e38c69fe37841209c49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83e4bfa16a766682d376f96bd992496b3276a308b6586e38c69fe37841209c49", kill_on_drop: false }`
[INFO] [stdout] 83e4bfa16a766682d376f96bd992496b3276a308b6586e38c69fe37841209c49