[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] checking Sam647254/Niverno against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSam647254%2FNiverno" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-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-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Sam647254/Niverno on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a87281a8a2bb2a59c3a945a8b85f0751968601756929288475ad9e7137ab8a19
[INFO] running `Command { std: "docker" "start" "-a" "a87281a8a2bb2a59c3a945a8b85f0751968601756929288475ad9e7137ab8a19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a87281a8a2bb2a59c3a945a8b85f0751968601756929288475ad9e7137ab8a19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a87281a8a2bb2a59c3a945a8b85f0751968601756929288475ad9e7137ab8a19", kill_on_drop: false }`
[INFO] [stdout] a87281a8a2bb2a59c3a945a8b85f0751968601756929288475ad9e7137ab8a19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c446f41c0402cf8685b49f22b6886fb21f319088ff94bdf8c69a725f2e529565
[INFO] running `Command { std: "docker" "start" "-a" "c446f41c0402cf8685b49f22b6886fb21f319088ff94bdf8c69a725f2e529565", kill_on_drop: false }`
[INFO] [stderr]     Checking 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: enum `Prototype` is never used
[INFO] [stdout]  --> src/grammar/prototypes/mod.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum Prototype {
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Enumerability` is never used
[INFO] [stdout]  --> src/grammar/prototypes/noun.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Enumerability {
[INFO] [stdout]   |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Flavour` is never used
[INFO] [stdout]  --> src/grammar/prototypes/noun.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum Flavour {
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Associability` is never used
[INFO] [stdout]   --> src/grammar/prototypes/noun.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum Associability {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Noun` is never constructed
[INFO] [stdout]   --> src/grammar/prototypes/noun.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Noun {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Receiver` is never used
[INFO] [stdout]  --> src/grammar/prototypes/verb.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Receiver {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Valency` is never used
[INFO] [stdout]  --> src/grammar/prototypes/verb.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum Valency {
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Verb` is never constructed
[INFO] [stdout]   --> src/grammar/prototypes/verb.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Verb {
[INFO] [stdout]    |            ^^^^
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "c446f41c0402cf8685b49f22b6886fb21f319088ff94bdf8c69a725f2e529565", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c446f41c0402cf8685b49f22b6886fb21f319088ff94bdf8c69a725f2e529565", kill_on_drop: false }`
[INFO] [stdout] c446f41c0402cf8685b49f22b6886fb21f319088ff94bdf8c69a725f2e529565
