[INFO] cloning repository https://github.com/tarsir/language_agents
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tarsir/language_agents" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarsir%2Flanguage_agents", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarsir%2Flanguage_agents'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 045dc291c985268688a143eb3e718490a1ffc908
[INFO] testing tarsir/language_agents against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarsir%2Flanguage_agents" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tarsir/language_agents on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tarsir/language_agents
[INFO] finished tweaking git repo https://github.com/tarsir/language_agents
[INFO] tweaked toml for git repo https://github.com/tarsir/language_agents written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/tarsir/language_agents already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ae90301980a36c16bbcb203bfc7847777329b8a4d1a59efe28caed940cf3e9aa
[INFO] running `Command { std: "docker" "start" "-a" "ae90301980a36c16bbcb203bfc7847777329b8a4d1a59efe28caed940cf3e9aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae90301980a36c16bbcb203bfc7847777329b8a4d1a59efe28caed940cf3e9aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae90301980a36c16bbcb203bfc7847777329b8a4d1a59efe28caed940cf3e9aa", kill_on_drop: false }`
[INFO] [stdout] ae90301980a36c16bbcb203bfc7847777329b8a4d1a59efe28caed940cf3e9aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2a3f1c4d90ba6acadeb3a0e17addba23689fd9b9a8b2d114dc806bac8fe46207
[INFO] running `Command { std: "docker" "start" "-a" "2a3f1c4d90ba6acadeb3a0e17addba23689fd9b9a8b2d114dc806bac8fe46207", kill_on_drop: false }`
[INFO] [stderr]    Compiling language_agents v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `utterance`
[INFO] [stdout]   --> src/language.rs:13:33
[INFO] [stdout]    |
[INFO] [stdout] 13 |   pub fn parse_utterance(&self, utterance: &str) -> Option<Meaning> {
[INFO] [stdout]    |                                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_utterance`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Category`
[INFO] [stdout]  --> src/category.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Category {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Rule`
[INFO] [stdout]  --> src/language.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Rule(Meaning, Signal);
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Language`
[INFO] [stdout]   --> src/language.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Language(hash_map::HashMap<Category, Rule>);
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_utterance`
[INFO] [stdout]   --> src/language.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 |   pub fn parse_utterance(&self, utterance: &str) -> Option<Meaning> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MeaningComponent`
[INFO] [stdout]  --> src/meaning.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct MeaningComponent(i32);
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Meaning`
[INFO] [stdout]  --> src/meaning.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Meaning(
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Signal`
[INFO] [stdout]  --> src/signal.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Signal(String);
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Target`
[INFO] [stdout]  --> src/signal.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Target {
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "2a3f1c4d90ba6acadeb3a0e17addba23689fd9b9a8b2d114dc806bac8fe46207", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a3f1c4d90ba6acadeb3a0e17addba23689fd9b9a8b2d114dc806bac8fe46207", kill_on_drop: false }`
[INFO] [stdout] 2a3f1c4d90ba6acadeb3a0e17addba23689fd9b9a8b2d114dc806bac8fe46207
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 05b394864c1cc21c57e087e16288d69f5f32e42318167facfe2e09bcd55cb239
[INFO] running `Command { std: "docker" "start" "-a" "05b394864c1cc21c57e087e16288d69f5f32e42318167facfe2e09bcd55cb239", kill_on_drop: false }`
[INFO] [stderr]    Compiling language_agents v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `utterance`
[INFO] [stdout]   --> src/language.rs:13:33
[INFO] [stdout]    |
[INFO] [stdout] 13 |   pub fn parse_utterance(&self, utterance: &str) -> Option<Meaning> {
[INFO] [stdout]    |                                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_utterance`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Category`
[INFO] [stdout]  --> src/category.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Category {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Rule`
[INFO] [stdout]  --> src/language.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Rule(Meaning, Signal);
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Language`
[INFO] [stdout]   --> src/language.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Language(hash_map::HashMap<Category, Rule>);
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_utterance`
[INFO] [stdout]   --> src/language.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 |   pub fn parse_utterance(&self, utterance: &str) -> Option<Meaning> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MeaningComponent`
[INFO] [stdout]  --> src/meaning.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct MeaningComponent(i32);
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Meaning`
[INFO] [stdout]  --> src/meaning.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Meaning(
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Signal`
[INFO] [stdout]  --> src/signal.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Signal(String);
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Target`
[INFO] [stdout]  --> src/signal.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Target {
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "05b394864c1cc21c57e087e16288d69f5f32e42318167facfe2e09bcd55cb239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05b394864c1cc21c57e087e16288d69f5f32e42318167facfe2e09bcd55cb239", kill_on_drop: false }`
[INFO] [stdout] 05b394864c1cc21c57e087e16288d69f5f32e42318167facfe2e09bcd55cb239
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 58839614434da2e21182158ffc49afca83dc78ed9121829c4219dc42d37b26a8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "58839614434da2e21182158ffc49afca83dc78ed9121829c4219dc42d37b26a8", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `utterance`
[INFO] [stderr]   --> src/language.rs:13:33
[INFO] [stderr]    |
[INFO] [stderr] 13 |   pub fn parse_utterance(&self, utterance: &str) -> Option<Meaning> {
[INFO] [stderr]    |                                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_utterance`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Category`
[INFO] [stderr]  --> src/category.rs:3:10
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub enum Category {
[INFO] [stderr]   |          ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Rule`
[INFO] [stderr]  --> src/language.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct Rule(Meaning, Signal);
[INFO] [stderr]   |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Language`
[INFO] [stderr]   --> src/language.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Language(hash_map::HashMap<Category, Rule>);
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `parse_utterance`
[INFO] [stderr]   --> src/language.rs:13:10
[INFO] [stderr]    |
[INFO] [stderr] 13 |   pub fn parse_utterance(&self, utterance: &str) -> Option<Meaning> {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `MeaningComponent`
[INFO] [stderr]  --> src/meaning.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct MeaningComponent(i32);
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Meaning`
[INFO] [stderr]  --> src/meaning.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub struct Meaning(
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Signal`
[INFO] [stderr]  --> src/signal.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Signal(String);
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Target`
[INFO] [stderr]  --> src/signal.rs:3:10
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub enum Target {
[INFO] [stderr]   |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `language_agents` (bin "language_agents" test) generated 9 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/language_agents-83b461aa9813522d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "58839614434da2e21182158ffc49afca83dc78ed9121829c4219dc42d37b26a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58839614434da2e21182158ffc49afca83dc78ed9121829c4219dc42d37b26a8", kill_on_drop: false }`
[INFO] [stdout] 58839614434da2e21182158ffc49afca83dc78ed9121829c4219dc42d37b26a8