[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 master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarsir%2Flanguage_agents" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[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-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tarsir/language_agents on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tarsir/language_agents 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 062e744ffe642d124d6e90a16ae85a9defa91c778e7995076a8830044fbc2c4c
[INFO] running `Command { std: "docker" "start" "-a" "062e744ffe642d124d6e90a16ae85a9defa91c778e7995076a8830044fbc2c4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "062e744ffe642d124d6e90a16ae85a9defa91c778e7995076a8830044fbc2c4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "062e744ffe642d124d6e90a16ae85a9defa91c778e7995076a8830044fbc2c4c", kill_on_drop: false }`
[INFO] [stdout] 062e744ffe642d124d6e90a16ae85a9defa91c778e7995076a8830044fbc2c4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2510542c7634296cf43598546c783bf4ce64167c6dcb823b1b100aadcb707dd4
[INFO] running `Command { std: "docker" "start" "-a" "2510542c7634296cf43598546c783bf4ce64167c6dcb823b1b100aadcb707dd4", 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Category` is never used
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rule` is never constructed
[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 `Language` is never constructed
[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: method `parse_utterance` is never used
[INFO] [stdout]   --> src/language.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Language {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 13 |   pub fn parse_utterance(&self, utterance: &str) -> Option<Meaning> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MeaningComponent` is never constructed
[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 `Meaning` is never constructed
[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 `Signal` is never constructed
[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 `Target` is never used
[INFO] [stdout]  --> src/signal.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Target {
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "2510542c7634296cf43598546c783bf4ce64167c6dcb823b1b100aadcb707dd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2510542c7634296cf43598546c783bf4ce64167c6dcb823b1b100aadcb707dd4", kill_on_drop: false }`
[INFO] [stdout] 2510542c7634296cf43598546c783bf4ce64167c6dcb823b1b100aadcb707dd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b5e0aa62b78047e42f5f12950e87873e0d539e5a67cafd77bd1aa53d802e349
[INFO] running `Command { std: "docker" "start" "-a" "8b5e0aa62b78047e42f5f12950e87873e0d539e5a67cafd77bd1aa53d802e349", 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Category` is never used
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rule` is never constructed
[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 `Language` is never constructed
[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: method `parse_utterance` is never used
[INFO] [stdout]   --> src/language.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Language {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 13 |   pub fn parse_utterance(&self, utterance: &str) -> Option<Meaning> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MeaningComponent` is never constructed
[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 `Meaning` is never constructed
[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 `Signal` is never constructed
[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 `Target` is never used
[INFO] [stdout]  --> src/signal.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Target {
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "8b5e0aa62b78047e42f5f12950e87873e0d539e5a67cafd77bd1aa53d802e349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b5e0aa62b78047e42f5f12950e87873e0d539e5a67cafd77bd1aa53d802e349", kill_on_drop: false }`
[INFO] [stdout] 8b5e0aa62b78047e42f5f12950e87873e0d539e5a67cafd77bd1aa53d802e349
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 03d04a39c4eaf772788a71724644cbe01f4e2fce62a51bcbc4901b0c4a0a6692
[INFO] running `Command { std: "docker" "start" "-a" "03d04a39c4eaf772788a71724644cbe01f4e2fce62a51bcbc4901b0c4a0a6692", 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Category` is never used
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Rule` is never constructed
[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 `Language` is never constructed
[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: method `parse_utterance` is never used
[INFO] [stderr]   --> src/language.rs:13:10
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl Language {
[INFO] [stderr]    | ------------- method in this implementation
[INFO] [stderr] 13 |   pub fn parse_utterance(&self, utterance: &str) -> Option<Meaning> {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MeaningComponent` is never constructed
[INFO] [stderr]  --> src/meaning.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct MeaningComponent(i32);
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Meaning` is never constructed
[INFO] [stderr]  --> src/meaning.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub struct Meaning(
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Signal` is never constructed
[INFO] [stderr]  --> src/signal.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Signal(String);
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Target` is never used
[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` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/language_agents-2ed00891a1fbf9a0)
[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" "03d04a39c4eaf772788a71724644cbe01f4e2fce62a51bcbc4901b0c4a0a6692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03d04a39c4eaf772788a71724644cbe01f4e2fce62a51bcbc4901b0c4a0a6692", kill_on_drop: false }`
[INFO] [stdout] 03d04a39c4eaf772788a71724644cbe01f4e2fce62a51bcbc4901b0c4a0a6692