[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] testing Sam647254/Niverno against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSam647254%2FNiverno" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[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-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Sam647254/Niverno on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c55f14098291f2f9edda1c940be4a6d1d81754890717193f936050926c45079
[INFO] running `Command { std: "docker" "start" "-a" "5c55f14098291f2f9edda1c940be4a6d1d81754890717193f936050926c45079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c55f14098291f2f9edda1c940be4a6d1d81754890717193f936050926c45079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c55f14098291f2f9edda1c940be4a6d1d81754890717193f936050926c45079", kill_on_drop: false }`
[INFO] [stdout] 5c55f14098291f2f9edda1c940be4a6d1d81754890717193f936050926c45079
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 612ffd88875c66e9c576e490314179c8363efb1f88ba2fe78983713beb0dbbf6
[INFO] running `Command { std: "docker" "start" "-a" "612ffd88875c66e9c576e490314179c8363efb1f88ba2fe78983713beb0dbbf6", 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: enum `Inflection` is never used
[INFO] [stdout]  --> src/grammar/morphology/inflections.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Inflection {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Noun` and `Verb` are never constructed
[INFO] [stdout]  --> src/grammar/prototypes/mod.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum Prototype {
[INFO] [stdout]   |          --------- variants in this enum
[INFO] [stdout] 8 |    Noun(Noun),
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 9 |    Verb(Verb),
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Countable`, `Singleton`, and `Mass` are never constructed
[INFO] [stdout]  --> src/grammar/prototypes/noun.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Enumerability {
[INFO] [stdout]   |          ------------- variants in this enum
[INFO] [stdout] 4 |    Countable,
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 5 |    Singleton,
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 6 |    Mass,
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Open` and `Mid` are never constructed
[INFO] [stdout]   --> src/grammar/prototypes/noun.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub enum Flavour {
[INFO] [stdout]    |          ------- variants in this enum
[INFO] [stdout] 10 |    Open,
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 11 |    Mid,
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Common`, `Associable`, 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]    |    ^^^^^^^^^^
[INFO] [stdout] 17 |    Intrinsic,
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/grammar/prototypes/noun.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Noun {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 21 |    pub enumerability: Enumerability,
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 22 |    pub associability: Associability,
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 23 |    pub flavour: Flavour,
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 24 |    pub stem: &'static str,
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 25 |    pub gloss_term: &'static str,
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 26 |    pub meaning: &'static str,
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 27 |    pub root_stems: HashSet<&'static str>,
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Single`, `Multiple`, and `Global` are never constructed
[INFO] [stdout]  --> src/grammar/prototypes/verb.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Receiver {
[INFO] [stdout]   |          -------- variants in this enum
[INFO] [stdout] 4 |    Single,
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 5 |    Multiple,
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 6 |    Global,
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Zero`, `One`, 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]    |    ^^^
[INFO] [stdout] 12 |    Two,
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/grammar/prototypes/verb.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Verb {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 16 |    pub receiver: Receiver,
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 17 |    pub valency: Valency,
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 18 |    pub instantaneous: bool,
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 19 |    pub integral: bool,
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 20 |    pub creation: bool,
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 21 |    pub stem: &'static str,
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 22 |    pub meaning: &'static str,
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 23 |    pub root_stems: HashSet<&'static str>,
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 24 |    pub argument_meanings: &'static [&'static str],
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "612ffd88875c66e9c576e490314179c8363efb1f88ba2fe78983713beb0dbbf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "612ffd88875c66e9c576e490314179c8363efb1f88ba2fe78983713beb0dbbf6", kill_on_drop: false }`
[INFO] [stdout] 612ffd88875c66e9c576e490314179c8363efb1f88ba2fe78983713beb0dbbf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42a8464b5d586cbe107526d302b85fef6a6fe106f65de7e9362438544f61577f
[INFO] running `Command { std: "docker" "start" "-a" "42a8464b5d586cbe107526d302b85fef6a6fe106f65de7e9362438544f61577f", kill_on_drop: false }`
[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: enum `Inflection` is never used
[INFO] [stdout]  --> src/grammar/morphology/inflections.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Inflection {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Noun` and `Verb` are never constructed
[INFO] [stdout]  --> src/grammar/prototypes/mod.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum Prototype {
[INFO] [stdout]   |          --------- variants in this enum
[INFO] [stdout] 8 |    Noun(Noun),
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 9 |    Verb(Verb),
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Countable`, `Singleton`, and `Mass` are never constructed
[INFO] [stdout]  --> src/grammar/prototypes/noun.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Enumerability {
[INFO] [stdout]   |          ------------- variants in this enum
[INFO] [stdout] 4 |    Countable,
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 5 |    Singleton,
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 6 |    Mass,
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Open` and `Mid` are never constructed
[INFO] [stdout]   --> src/grammar/prototypes/noun.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub enum Flavour {
[INFO] [stdout]    |          ------- variants in this enum
[INFO] [stdout] 10 |    Open,
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 11 |    Mid,
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Common`, `Associable`, 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]    |    ^^^^^^^^^^
[INFO] [stdout] 17 |    Intrinsic,
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/grammar/prototypes/noun.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Noun {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 21 |    pub enumerability: Enumerability,
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 22 |    pub associability: Associability,
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 23 |    pub flavour: Flavour,
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 24 |    pub stem: &'static str,
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 25 |    pub gloss_term: &'static str,
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 26 |    pub meaning: &'static str,
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 27 |    pub root_stems: HashSet<&'static str>,
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Single`, `Multiple`, and `Global` are never constructed
[INFO] [stdout]  --> src/grammar/prototypes/verb.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Receiver {
[INFO] [stdout]   |          -------- variants in this enum
[INFO] [stdout] 4 |    Single,
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 5 |    Multiple,
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 6 |    Global,
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Zero`, `One`, 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]    |    ^^^
[INFO] [stdout] 12 |    Two,
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/grammar/prototypes/verb.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Verb {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 16 |    pub receiver: Receiver,
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 17 |    pub valency: Valency,
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 18 |    pub instantaneous: bool,
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 19 |    pub integral: bool,
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 20 |    pub creation: bool,
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 21 |    pub stem: &'static str,
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 22 |    pub meaning: &'static str,
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 23 |    pub root_stems: HashSet<&'static str>,
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 24 |    pub argument_meanings: &'static [&'static str],
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling niverno v0.1.0 (/opt/rustwide/workdir)
[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: field `0` is never read
[INFO] [stdout]  --> src/grammar/prototypes/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |    Noun(Noun),
[INFO] [stdout]   |    ---- ^^^^
[INFO] [stdout]   |    |
[INFO] [stdout]   |    field in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 8 -    Noun(Noun),
[INFO] [stdout] 8 +    Noun(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Verb` is never constructed
[INFO] [stdout]  --> src/grammar/prototypes/mod.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum Prototype {
[INFO] [stdout]   |          --------- variant in this enum
[INFO] [stdout] 8 |    Noun(Noun),
[INFO] [stdout] 9 |    Verb(Verb),
[INFO] [stdout]   |    ^^^^
[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: multiple fields are never read
[INFO] [stdout]   --> src/grammar/prototypes/noun.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Noun {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 21 |    pub enumerability: Enumerability,
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 22 |    pub associability: Associability,
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 23 |    pub flavour: Flavour,
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 24 |    pub stem: &'static str,
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 25 |    pub gloss_term: &'static str,
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 26 |    pub meaning: &'static str,
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 27 |    pub root_stems: HashSet<&'static str>,
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Single`, `Multiple`, and `Global` are never constructed
[INFO] [stdout]  --> src/grammar/prototypes/verb.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Receiver {
[INFO] [stdout]   |          -------- variants in this enum
[INFO] [stdout] 4 |    Single,
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 5 |    Multiple,
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 6 |    Global,
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Zero`, `One`, 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]    |    ^^^
[INFO] [stdout] 12 |    Two,
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/grammar/prototypes/verb.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Verb {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 16 |    pub receiver: Receiver,
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 17 |    pub valency: Valency,
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 18 |    pub instantaneous: bool,
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 19 |    pub integral: bool,
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 20 |    pub creation: bool,
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 21 |    pub stem: &'static str,
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 22 |    pub meaning: &'static str,
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 23 |    pub root_stems: HashSet<&'static str>,
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 24 |    pub argument_meanings: &'static [&'static str],
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "42a8464b5d586cbe107526d302b85fef6a6fe106f65de7e9362438544f61577f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42a8464b5d586cbe107526d302b85fef6a6fe106f65de7e9362438544f61577f", kill_on_drop: false }`
[INFO] [stdout] 42a8464b5d586cbe107526d302b85fef6a6fe106f65de7e9362438544f61577f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 81fde709540c50b4de06c0e7561e0bbd3a75b5be6972162ea3577e43f9042fe0
[INFO] running `Command { std: "docker" "start" "-a" "81fde709540c50b4de06c0e7561e0bbd3a75b5be6972162ea3577e43f9042fe0", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `prototype`
[INFO] [stderr]   --> src/grammar/morphology/mod.rs:14:23
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn derivations_of(prototype: Prototype) -> HashSet<Derivation> {
[INFO] [stderr]    |                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prototype`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `prototype`
[INFO] [stderr]   --> src/grammar/morphology/mod.rs:18:23
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn inflections_of(prototype: &Prototype) -> HashSet<Inflection> {
[INFO] [stderr]    |                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prototype`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `DerivedPrototype` is never constructed
[INFO] [stderr]  --> src/grammar/morphology/mod.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct DerivedPrototype {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `derivations_of` is never used
[INFO] [stderr]   --> src/grammar/morphology/mod.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn derivations_of(prototype: Prototype) -> HashSet<Derivation> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] running 1 test
[INFO] [stderr] warning: function `inflections_of` is never used
[INFO] [stderr]   --> src/grammar/morphology/mod.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn inflections_of(prototype: &Prototype) -> HashSet<Inflection> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Derivation` is never used
[INFO] [stderr]  --> src/grammar/morphology/derivations.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub enum Derivation {
[INFO] [stderr]   |          ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Inflection` is never used
[INFO] [stderr]  --> src/grammar/morphology/inflections.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub enum Inflection {
[INFO] [stderr]   |          ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Noun` and `Verb` are never constructed
[INFO] [stderr]  --> src/grammar/prototypes/mod.rs:8:4
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub enum Prototype {
[INFO] [stderr]   |          --------- variants in this enum
[INFO] [stderr] 8 |    Noun(Noun),
[INFO] [stderr]   |    ^^^^
[INFO] [stderr] 9 |    Verb(Verb),
[INFO] [stderr]   |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Countable`, `Singleton`, and `Mass` are never constructed
[INFO] [stderr]  --> src/grammar/prototypes/noun.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub enum Enumerability {
[INFO] [stderr]   |          ------------- variants in this enum
[INFO] [stderr] 4 |    Countable,
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr] 5 |    Singleton,
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr] 6 |    Mass,
[INFO] [stderr]   |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Open` and `Mid` are never constructed
[INFO] [stderr]   --> src/grammar/prototypes/noun.rs:10:4
[INFO] [stderr]    |
[INFO] [stderr] 9  | pub enum Flavour {
[INFO] [stderr]    |          ------- variants in this enum
[INFO] [stderr] 10 |    Open,
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 11 |    Mid,
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Common`, `Associable`, and `Intrinsic` are never constructed
[INFO] [stderr]   --> src/grammar/prototypes/noun.rs:15:4
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub enum Associability {
[INFO] [stderr]    |          ------------- variants in this enum
[INFO] [stderr] 15 |    Common,
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 16 |    Associable,
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 17 |    Intrinsic,
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple fields are never read
[INFO] [stderr]   --> src/grammar/prototypes/noun.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub struct Noun {
[INFO] [stderr]    |            ---- fields in this struct
[INFO] [stderr] 21 |    pub enumerability: Enumerability,
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 22 |    pub associability: Associability,
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 23 |    pub flavour: Flavour,
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 24 |    pub stem: &'static str,
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 25 |    pub gloss_term: &'static str,
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 26 |    pub meaning: &'static str,
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 27 |    pub root_stems: HashSet<&'static str>,
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Single`, `Multiple`, and `Global` are never constructed
[INFO] [stderr]  --> src/grammar/prototypes/verb.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub enum Receiver {
[INFO] [stderr]   |          -------- variants in this enum
[INFO] [stderr] 4 |    Single,
[INFO] [stderr]   |    ^^^^^^
[INFO] [stderr] 5 |    Multiple,
[INFO] [stderr]   |    ^^^^^^^^
[INFO] [stderr] 6 |    Global,
[INFO] [stderr]   |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Zero`, `One`, and `Two` are never constructed
[INFO] [stderr]   --> src/grammar/prototypes/verb.rs:10:4
[INFO] [stderr]    |
[INFO] [stderr] 9  | pub enum Valency {
[INFO] [stderr]    |          ------- variants in this enum
[INFO] [stderr] 10 |    Zero,
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 11 |    One,
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 12 |    Two,
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple fields are never read
[INFO] [stderr]   --> src/grammar/prototypes/verb.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct Verb {
[INFO] [stderr]    |            ---- fields in this struct
[INFO] [stderr] 16 |    pub receiver: Receiver,
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 17 |    pub valency: Valency,
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 18 |    pub instantaneous: bool,
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 19 |    pub integral: bool,
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 20 |    pub creation: bool,
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 21 |    pub stem: &'static str,
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 22 |    pub meaning: &'static str,
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 23 |    pub root_stems: HashSet<&'static str>,
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 24 |    pub argument_meanings: &'static [&'static str],
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `niverno` (lib) generated 15 warnings
[INFO] [stderr] warning: unused import: `std::iter::FromIterator`
[INFO] [stderr]   --> src/grammar/morphology/mod.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 |    use std::iter::FromIterator;
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: multiple variants are never constructed
[INFO] [stderr]   --> src/grammar/morphology/inflections.rs:8:4
[INFO] [stderr]    |
[INFO] [stderr] 2  | pub enum Inflection {
[INFO] [stderr]    |          ---------- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 8  |    Detached,
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 9  |    StartImperative,
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 10 |    StopImperative,
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 11 |    Started,
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 12 |    Finished,
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 13 |    NotStarted,
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 14 |    Paused,
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 15 |    Stopped,
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 16 |    Cancelled,
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 17 |    Right,
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 18 |    Left,
[INFO] [stderr]    |    ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Inflection` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> src/grammar/prototypes/mod.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |    Noun(Noun),
[INFO] [stderr]   |    ---- ^^^^
[INFO] [stderr]   |    |
[INFO] [stderr]   |    field in this variant
[INFO] [stderr]   |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 8 -    Noun(Noun),
[INFO] [stderr] 8 +    Noun(()),
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Verb` is never constructed
[INFO] [stderr]  --> src/grammar/prototypes/mod.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub enum Prototype {
[INFO] [stderr]   |          --------- variant in this enum
[INFO] [stderr] 8 |    Noun(Noun),
[INFO] [stderr] 9 |    Verb(Verb),
[INFO] [stderr]   |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Singleton` and `Mass` are never constructed
[INFO] [stderr]  --> src/grammar/prototypes/noun.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub enum Enumerability {
[INFO] [stderr]   |          ------------- variants in this enum
[INFO] [stderr] 4 |    Countable,
[INFO] [stderr] 5 |    Singleton,
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr] 6 |    Mass,
[INFO] [stderr]   |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Mid` is never constructed
[INFO] [stderr]   --> src/grammar/prototypes/noun.rs:11:4
[INFO] [stderr]    |
[INFO] [stderr] 9  | pub enum Flavour {
[INFO] [stderr]    |          ------- variant in this enum
[INFO] [stderr] 10 |    Open,
[INFO] [stderr] 11 |    Mid,
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Common` and `Intrinsic` are never constructed
[INFO] [stderr]   --> src/grammar/prototypes/noun.rs:15:4
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub enum Associability {
[INFO] [stderr]    |          ------------- variants in this enum
[INFO] [stderr] 15 |    Common,
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 16 |    Associable,
[INFO] [stderr] 17 |    Intrinsic,
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `niverno` (lib test) generated 16 warnings (9 duplicates) (run `cargo fix --lib -p niverno --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/niverno-dd559910211aa099)
[INFO] [stdout] test grammar::morphology::tests::apple_inflections ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- grammar::morphology::tests::apple_inflections stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'grammar::morphology::tests::apple_inflections' panicked at src/grammar/morphology/mod.rs:38:7:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: {Nonspecific, Associated, Anaphor, Archetype, Specific}
[INFO] [stdout]  right: {}
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5b55a40ef242 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5b55a40ef242 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5b55a40ef242 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5b55a40ef242 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5b55a4114313 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5b55a4114313 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x5b55a40ec423 - std::io::default_write_fmt::hdb7615052be2ba4d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5b55a40ec423 - std::io::Write::write_fmt::he1bcd251ec6e4153
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5b55a40ef092 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5b55a40f07ac - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5b55a40f0602 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5b55a40b86e4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h178a5fcedee41e2f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5b55a40b86e4 - test::test_main_with_exit_callback::{{closure}}::h951a41e0149d6d5d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5b55a40f118b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h13602080f5b63276
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5b55a40f118b - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5b55a40f0f5a - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5b55a40ef739 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x5b55a40f0bed - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5b55a4112e50 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5b55a41130b7 - core::panicking::assert_failed_inner::h02e1528dd7bc6647
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:448:17
[INFO] [stdout]   20:     0x5b55a407ee15 - core::panicking::assert_failed::h630cfeb07adf3c80
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:403:5
[INFO] [stdout]   21:     0x5b55a407ed62 - niverno::grammar::morphology::tests::apple_inflections::h8597d65513c1a9a6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/grammar/morphology/mod.rs:38:7
[INFO] [stdout]   22:     0x5b55a407ed62 - niverno::grammar::morphology::tests::apple_inflections::{{closure}}::hf1d4f24d3ea46144
[INFO] [stdout]                                at /opt/rustwide/workdir/src/grammar/morphology/mod.rs:30:26
[INFO] [stdout]   23:     0x5b55a407ed62 - core::ops::function::FnOnce::call_once::h928cc5e7d7a59137
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5b55a40bde6b - core::ops::function::FnOnce::call_once::h2869fb5b0a2b0bdc
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5b55a40bde6b - test::__rust_begin_short_backtrace::h7dd7142bd62fa711
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x5b55a40bd05e - test::run_test_in_process::{{closure}}::h43a753f038d36b3f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x5b55a40bd05e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0ca95dd3e12d1e16
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5b55a40bd05e - std::panicking::catch_unwind::do_call::he308587d70ac34ba
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x5b55a40bd05e - std::panicking::catch_unwind::h30dcba31973e8fb0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x5b55a40bd05e - std::panic::catch_unwind::hfb68364e5621fbee
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5b55a40bd05e - test::run_test_in_process::hcdcc2977903b998a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x5b55a40bd05e - test::run_test::{{closure}}::h544a6550958c5d14
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x5b55a4080bd4 - test::run_test::{{closure}}::hb172e48ebe2b92c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x5b55a4080bd4 - std::sys::backtrace::__rust_begin_short_backtrace::h7e79d8706638bea0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   35:     0x5b55a40845aa - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc4a275f1e71b8ab0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x5b55a40845aa - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h01ed0d242df78cfd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5b55a40845aa - std::panicking::catch_unwind::do_call::h052f373fb905fee0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x5b55a40845aa - std::panicking::catch_unwind::hb425d20c8ffb09c8
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x5b55a40845aa - std::panic::catch_unwind::ha0d5dfbf18fdeda5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5b55a40845aa - std::thread::Builder::spawn_unchecked_::{{closure}}::hbe79182bd37949c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x5b55a40845aa - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc096c4a06972fde5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5b55a40f40e7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h47377e27fb938a26
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x5b55a40f40e7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h72f1fe5d095abf57
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x5b55a40f40e7 - std::sys::pal::unix::thread::Thread::new::thread_start::h0a4d8e1b9c0d38cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   45:     0x71f3d1267aa4 - <unknown>
[INFO] [stdout]   46:     0x71f3d12f4a34 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     grammar::morphology::tests::apple_inflections
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "81fde709540c50b4de06c0e7561e0bbd3a75b5be6972162ea3577e43f9042fe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81fde709540c50b4de06c0e7561e0bbd3a75b5be6972162ea3577e43f9042fe0", kill_on_drop: false }`
[INFO] [stdout] 81fde709540c50b4de06c0e7561e0bbd3a75b5be6972162ea3577e43f9042fe0
