[INFO] cloning repository https://github.com/carghai/cougar_question_maker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/carghai/cougar_question_maker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarghai%2Fcougar_question_maker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarghai%2Fcougar_question_maker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6491243f390b4f9f08ba117824791339669b7c59
[INFO] testing carghai/cougar_question_maker against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarghai%2Fcougar_question_maker" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/carghai/cougar_question_maker
[INFO] finished tweaking git repo https://github.com/carghai/cougar_question_maker
[INFO] tweaked toml for git repo https://github.com/carghai/cougar_question_maker written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/carghai/cougar_question_maker on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/carghai/cougar_question_maker 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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
[ERROR] error running command: no output for 300 seconds
[INFO] testing carghai/cougar_question_maker against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarghai%2Fcougar_question_maker" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/carghai/cougar_question_maker
[INFO] finished tweaking git repo https://github.com/carghai/cougar_question_maker
[INFO] tweaked toml for git repo https://github.com/carghai/cougar_question_maker written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/carghai/cougar_question_maker on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/carghai/cougar_question_maker 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded txt_writer v0.1.4
[INFO] [stderr]   Downloaded better_file_maker v0.1.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10be80c6bd7e0a7aa6bdf17355ff814a1c94f91860df837af432eec042ebf891
[INFO] running `Command { std: "docker" "start" "-a" "10be80c6bd7e0a7aa6bdf17355ff814a1c94f91860df837af432eec042ebf891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10be80c6bd7e0a7aa6bdf17355ff814a1c94f91860df837af432eec042ebf891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10be80c6bd7e0a7aa6bdf17355ff814a1c94f91860df837af432eec042ebf891", kill_on_drop: false }`
[INFO] [stdout] 10be80c6bd7e0a7aa6bdf17355ff814a1c94f91860df837af432eec042ebf891
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 851c2b12029f4186584b1eafe0607268e16eab67fca686f0675cb4ce73e050f7
[INFO] running `Command { std: "docker" "start" "-a" "851c2b12029f4186584b1eafe0607268e16eab67fca686f0675cb4ce73e050f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling better_file_maker v0.1.9
[INFO] [stderr]    Compiling txt_writer v0.1.4
[INFO] [stderr]    Compiling cougar_question_maker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/questions/mod.rs:27:46
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn write_questions_firestore_drop_down(what: Split<char>, ) -> Result<(Vec<String> , Vec<String>), &str> {
[INFO] [stdout]    |                                              ^^^^^^^^^^^ this lifetime flows to the output         ---- the lifetime gets resolved as `'_`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn write_questions_firestore_drop_down(what: Split<'_, char>, ) -> Result<(Vec<String> , Vec<String>), &str> {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "851c2b12029f4186584b1eafe0607268e16eab67fca686f0675cb4ce73e050f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "851c2b12029f4186584b1eafe0607268e16eab67fca686f0675cb4ce73e050f7", kill_on_drop: false }`
[INFO] [stdout] 851c2b12029f4186584b1eafe0607268e16eab67fca686f0675cb4ce73e050f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00facb5bcb468ebdc13aae24084313f1055afe05813f87b6ae4c27e21fd096e4
[INFO] running `Command { std: "docker" "start" "-a" "00facb5bcb468ebdc13aae24084313f1055afe05813f87b6ae4c27e21fd096e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling cougar_question_maker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/questions/mod.rs:27:46
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn write_questions_firestore_drop_down(what: Split<char>, ) -> Result<(Vec<String> , Vec<String>), &str> {
[INFO] [stdout]    |                                              ^^^^^^^^^^^ this lifetime flows to the output         ---- the lifetime gets resolved as `'_`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn write_questions_firestore_drop_down(what: Split<'_, char>, ) -> Result<(Vec<String> , Vec<String>), &str> {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "00facb5bcb468ebdc13aae24084313f1055afe05813f87b6ae4c27e21fd096e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00facb5bcb468ebdc13aae24084313f1055afe05813f87b6ae4c27e21fd096e4", kill_on_drop: false }`
[INFO] [stdout] 00facb5bcb468ebdc13aae24084313f1055afe05813f87b6ae4c27e21fd096e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] be562cade734b532beb883e26aab23705399b87d99b9fdf7f81e3247e8007d79
[INFO] running `Command { std: "docker" "start" "-a" "be562cade734b532beb883e26aab23705399b87d99b9fdf7f81e3247e8007d79", kill_on_drop: false }`
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/questions/mod.rs:27:46
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn write_questions_firestore_drop_down(what: Split<char>, ) -> Result<(Vec<String> , Vec<String>), &str> {
[INFO] [stderr]    |                                              ^^^^^^^^^^^ this lifetime flows to the output         ---- the lifetime gets resolved as `'_`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn write_questions_firestore_drop_down(what: Split<'_, char>, ) -> Result<(Vec<String> , Vec<String>), &str> {
[INFO] [stderr]    |                                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: `cougar_question_maker` (bin "cougar_question_maker" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cougar_question_maker-787e45f2ae7bf338)
[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" "be562cade734b532beb883e26aab23705399b87d99b9fdf7f81e3247e8007d79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be562cade734b532beb883e26aab23705399b87d99b9fdf7f81e3247e8007d79", kill_on_drop: false }`
[INFO] [stdout] be562cade734b532beb883e26aab23705399b87d99b9fdf7f81e3247e8007d79