[INFO] cloning repository https://github.com/subbu963/bott-sample-plugin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/subbu963/bott-sample-plugin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsubbu963%2Fbott-sample-plugin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsubbu963%2Fbott-sample-plugin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cf571358fcf86e1f2a8d172e114a6cad0e4d2934
[INFO] checking subbu963/bott-sample-plugin against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsubbu963%2Fbott-sample-plugin" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/subbu963/bott-sample-plugin on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/subbu963/bott-sample-plugin
[INFO] finished tweaking git repo https://github.com/subbu963/bott-sample-plugin
[INFO] tweaked toml for git repo https://github.com/subbu963/bott-sample-plugin written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/subbu963/bott-sample-plugin 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded extism-manifest v0.5.0
[INFO] [stderr]   Downloaded extism-convert v0.2.0
[INFO] [stderr]   Downloaded extism-pdk v1.0.0-rc1
[INFO] [stderr]   Downloaded extism-pdk-derive v1.0.0-rc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e6fe8934bf2286496792b0cb4a65e640ce1505c7b6633b5b3ba1b5631f89fba
[INFO] running `Command { std: "docker" "start" "-a" "5e6fe8934bf2286496792b0cb4a65e640ce1505c7b6633b5b3ba1b5631f89fba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e6fe8934bf2286496792b0cb4a65e640ce1505c7b6633b5b3ba1b5631f89fba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e6fe8934bf2286496792b0cb4a65e640ce1505c7b6633b5b3ba1b5631f89fba", kill_on_drop: false }`
[INFO] [stdout] 5e6fe8934bf2286496792b0cb4a65e640ce1505c7b6633b5b3ba1b5631f89fba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85fcff4f89b490fb9bbdd4c8e45ce2b32d3b431418ba7683e56161c5ea81dd6c
[INFO] running `Command { std: "docker" "start" "-a" "85fcff4f89b490fb9bbdd4c8e45ce2b32d3b431418ba7683e56161c5ea81dd6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking rmp v0.8.12
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling prost-derive v0.12.3
[INFO] [stderr]    Compiling extism-pdk-derive v1.0.0-rc1
[INFO] [stderr]     Checking prost v0.12.3
[INFO] [stderr]     Checking rmp-serde v1.1.2
[INFO] [stderr]     Checking extism-manifest v0.5.0
[INFO] [stderr]     Checking extism-convert v0.2.0
[INFO] [stderr]     Checking extism-pdk v1.0.0-rc1
[INFO] [stderr]     Checking bott-sample-plugin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `default_prompt`
[INFO] [stdout]  --> src/lib.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn get_prompt(default_prompt: String) -> FnResult<String> {
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default_prompt`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `default_prompt`
[INFO] [stdout]  --> src/lib.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn get_prompt(default_prompt: String) -> FnResult<String> {
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default_prompt`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.81s
[INFO] running `Command { std: "docker" "inspect" "85fcff4f89b490fb9bbdd4c8e45ce2b32d3b431418ba7683e56161c5ea81dd6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85fcff4f89b490fb9bbdd4c8e45ce2b32d3b431418ba7683e56161c5ea81dd6c", kill_on_drop: false }`
[INFO] [stdout] 85fcff4f89b490fb9bbdd4c8e45ce2b32d3b431418ba7683e56161c5ea81dd6c
[INFO] checking subbu963/bott-sample-plugin against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsubbu963%2Fbott-sample-plugin" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/subbu963/bott-sample-plugin on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/subbu963/bott-sample-plugin
[INFO] finished tweaking git repo https://github.com/subbu963/bott-sample-plugin
[INFO] tweaked toml for git repo https://github.com/subbu963/bott-sample-plugin written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/subbu963/bott-sample-plugin 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c1a76df6f9ef95e357955a1cf3e1b1ee57d3e61c81a8e4d04ffbc6065b53d22
[INFO] running `Command { std: "docker" "start" "-a" "7c1a76df6f9ef95e357955a1cf3e1b1ee57d3e61c81a8e4d04ffbc6065b53d22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c1a76df6f9ef95e357955a1cf3e1b1ee57d3e61c81a8e4d04ffbc6065b53d22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c1a76df6f9ef95e357955a1cf3e1b1ee57d3e61c81a8e4d04ffbc6065b53d22", kill_on_drop: false }`
[INFO] [stdout] 7c1a76df6f9ef95e357955a1cf3e1b1ee57d3e61c81a8e4d04ffbc6065b53d22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3139cfc706b28321088a14253ed7e8dac5b9d0e287291ad2ab5de202f45e2188
[INFO] running `Command { std: "docker" "start" "-a" "3139cfc706b28321088a14253ed7e8dac5b9d0e287291ad2ab5de202f45e2188", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking rmp v0.8.12
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling prost-derive v0.12.3
[INFO] [stderr]    Compiling extism-pdk-derive v1.0.0-rc1
[INFO] [stderr]     Checking prost v0.12.3
[INFO] [stderr]     Checking rmp-serde v1.1.2
[INFO] [stderr]     Checking extism-manifest v0.5.0
[INFO] [stderr]     Checking extism-convert v0.2.0
[INFO] [stderr]     Checking extism-pdk v1.0.0-rc1
[INFO] [stderr]     Checking bott-sample-plugin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `default_prompt`
[INFO] [stdout]  --> src/lib.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn get_prompt(default_prompt: String) -> FnResult<String> {
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default_prompt`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `default_prompt`
[INFO] [stdout]  --> src/lib.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn get_prompt(default_prompt: String) -> FnResult<String> {
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default_prompt`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.21s
[INFO] running `Command { std: "docker" "inspect" "3139cfc706b28321088a14253ed7e8dac5b9d0e287291ad2ab5de202f45e2188", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3139cfc706b28321088a14253ed7e8dac5b9d0e287291ad2ab5de202f45e2188", kill_on_drop: false }`
[INFO] [stdout] 3139cfc706b28321088a14253ed7e8dac5b9d0e287291ad2ab5de202f45e2188