[INFO] cloning repository https://github.com/SRVng/rust-quiz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SRVng/rust-quiz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSRVng%2Frust-quiz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSRVng%2Frust-quiz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95238659631a8e0630ebec1bcd49546588ca7cda
[INFO] testing SRVng/rust-quiz against 1.84.0 for beta-1.85-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSRVng%2Frust-quiz" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SRVng/rust-quiz on toolchain 1.84.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.84.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SRVng/rust-quiz
[INFO] finished tweaking git repo https://github.com/SRVng/rust-quiz
[INFO] tweaked toml for git repo https://github.com/SRVng/rust-quiz written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SRVng/rust-quiz 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" "+1.84.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 688695dbb7866da20066063a6637f40af84c40dde3ddd75efaa0b06d92bb6a8c
[INFO] running `Command { std: "docker" "start" "-a" "688695dbb7866da20066063a6637f40af84c40dde3ddd75efaa0b06d92bb6a8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "688695dbb7866da20066063a6637f40af84c40dde3ddd75efaa0b06d92bb6a8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "688695dbb7866da20066063a6637f40af84c40dde3ddd75efaa0b06d92bb6a8c", kill_on_drop: false }`
[INFO] [stdout] 688695dbb7866da20066063a6637f40af84c40dde3ddd75efaa0b06d92bb6a8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1ea709546e3a5190473e97d9badcf166e0fbd520305747d0f666d0fbee64d51
[INFO] running `Command { std: "docker" "start" "-a" "e1ea709546e3a5190473e97d9badcf166e0fbd520305747d0f666d0fbee64d51", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling serde_json v1.0.89
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling itoa v1.0.4
[INFO] [stderr]    Compiling rust-quiz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `builder` is never used
[INFO] [stdout]  --> src/questions/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait Builder<'a, T> {
[INFO] [stdout]   |           ------- associated function in this trait
[INFO] [stdout] 7 |     type Currying;
[INFO] [stdout] 8 |     fn builder() -> Self::Currying;
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.12s
[INFO] running `Command { std: "docker" "inspect" "e1ea709546e3a5190473e97d9badcf166e0fbd520305747d0f666d0fbee64d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1ea709546e3a5190473e97d9badcf166e0fbd520305747d0f666d0fbee64d51", kill_on_drop: false }`
[INFO] [stdout] e1ea709546e3a5190473e97d9badcf166e0fbd520305747d0f666d0fbee64d51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4dc5ec877a5cbe027b0838b64c1762df35ddcf070847df3f87041b9105a14b7c
[INFO] running `Command { std: "docker" "start" "-a" "4dc5ec877a5cbe027b0838b64c1762df35ddcf070847df3f87041b9105a14b7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-quiz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `builder` is never used
[INFO] [stdout]  --> src/questions/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait Builder<'a, T> {
[INFO] [stdout]   |           ------- associated function in this trait
[INFO] [stdout] 7 |     type Currying;
[INFO] [stdout] 8 |     fn builder() -> Self::Currying;
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "4dc5ec877a5cbe027b0838b64c1762df35ddcf070847df3f87041b9105a14b7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dc5ec877a5cbe027b0838b64c1762df35ddcf070847df3f87041b9105a14b7c", kill_on_drop: false }`
[INFO] [stdout] 4dc5ec877a5cbe027b0838b64c1762df35ddcf070847df3f87041b9105a14b7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 070e81a271a7587d067eac48ef707fc42b46d37b9a8aa0d1ca12eff31a7fea08
[INFO] running `Command { std: "docker" "start" "-a" "070e81a271a7587d067eac48ef707fc42b46d37b9a8aa0d1ca12eff31a7fea08", kill_on_drop: false }`
[INFO] [stderr] warning: associated function `builder` is never used
[INFO] [stderr]  --> src/questions/mod.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub trait Builder<'a, T> {
[INFO] [stderr]   |           ------- associated function in this trait
[INFO] [stderr] 7 |     type Currying;
[INFO] [stderr] 8 |     fn builder() -> Self::Currying;
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-quiz` (bin "rust-quiz" 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/rust_quiz-a3e8d098807fb42d)
[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" "070e81a271a7587d067eac48ef707fc42b46d37b9a8aa0d1ca12eff31a7fea08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "070e81a271a7587d067eac48ef707fc42b46d37b9a8aa0d1ca12eff31a7fea08", kill_on_drop: false }`
[INFO] [stdout] 070e81a271a7587d067eac48ef707fc42b46d37b9a8aa0d1ca12eff31a7fea08