[INFO] cloning repository https://github.com/wehjin/nihongopractice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wehjin/nihongopractice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwehjin%2Fnihongopractice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwehjin%2Fnihongopractice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7fcc148d5bfd49b412da62deb4e47834f57b792
[INFO] testing wehjin/nihongopractice against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwehjin%2Fnihongopractice" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wehjin/nihongopractice on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wehjin/nihongopractice
[INFO] finished tweaking git repo https://github.com/wehjin/nihongopractice
[INFO] tweaked toml for git repo https://github.com/wehjin/nihongopractice written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/wehjin/nihongopractice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9778f09d94bc2c8ba747b68d30abd97cd863a3da7723a03898c0f51840ff596c
[INFO] running `Command { std: "docker" "start" "-a" "9778f09d94bc2c8ba747b68d30abd97cd863a3da7723a03898c0f51840ff596c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9778f09d94bc2c8ba747b68d30abd97cd863a3da7723a03898c0f51840ff596c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9778f09d94bc2c8ba747b68d30abd97cd863a3da7723a03898c0f51840ff596c", kill_on_drop: false }`
[INFO] [stdout] 9778f09d94bc2c8ba747b68d30abd97cd863a3da7723a03898c0f51840ff596c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9be712ed38e9ac3156d51beef7970606a911013b42865021019ebb0a9be4ed0
[INFO] running `Command { std: "docker" "start" "-a" "f9be712ed38e9ac3156d51beef7970606a911013b42865021019ebb0a9be4ed0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.73
[INFO] [stderr]    Compiling bumpalo v3.6.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.73
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling futures-sink v0.3.13
[INFO] [stderr]    Compiling futures-core v0.3.13
[INFO] [stderr]    Compiling futures-io v0.3.13
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.5
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling futures-task v0.3.13
[INFO] [stderr]    Compiling base-x v0.2.8
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling yew v0.14.3
[INFO] [stderr]    Compiling discard v1.0.4
[INFO] [stderr]    Compiling shadow_core v0.1.0 (https://github.com/wehjin/shadow-core.git#8e270fe2)
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling stdweb v0.4.20
[INFO] [stderr]    Compiling futures-channel v0.3.13
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling verb v0.1.0 (https://github.com/wehjin/verb.git#4a85a1b5)
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.73
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.73
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling yew-macro v0.14.1
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.73
[INFO] [stderr]    Compiling futures-util v0.3.13
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling js-sys v0.3.50
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling futures-executor v0.3.13
[INFO] [stderr]    Compiling futures v0.3.13
[INFO] [stderr]    Compiling web-sys v0.3.50
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.23
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling bincode v1.2.1
[INFO] [stderr]    Compiling stdweb-derive v0.5.3
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.9
[INFO] [stderr]    Compiling gloo-events v0.1.1
[INFO] [stderr]    Compiling gloo-timers v0.2.1
[INFO] [stderr]    Compiling gloo-console-timer v0.1.0
[INFO] [stderr]    Compiling gloo-file v0.1.0
[INFO] [stderr]    Compiling web_logger v0.2.0
[INFO] [stderr]    Compiling gloo v0.2.1
[INFO] [stderr]    Compiling potential v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `flat_accent`
[INFO] [stdout]   --> src/mdc.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn flat_accent(label: &str, on_click: impl Fn() + 'static) -> Html {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `raised`
[INFO] [stdout]   --> src/mdc.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn raised(label: &str, on_click: impl Fn() + 'static) -> Html {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hidden`
[INFO] [stdout]   --> src/mdc.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn hidden(id: &str, src: &str, node_ref: &NodeRef) -> Html {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `audio`
[INFO] [stdout]   --> src/mdc.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn audio(id: &str, controls: bool, src: &str, node_ref: &NodeRef) -> Html {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.98s
[INFO] running `Command { std: "docker" "inspect" "f9be712ed38e9ac3156d51beef7970606a911013b42865021019ebb0a9be4ed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9be712ed38e9ac3156d51beef7970606a911013b42865021019ebb0a9be4ed0", kill_on_drop: false }`
[INFO] [stdout] f9be712ed38e9ac3156d51beef7970606a911013b42865021019ebb0a9be4ed0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0faf15f2dca5fc518fc993b3331c7d07f8041467b98f1c4698cd15c50ed4601b
[INFO] running `Command { std: "docker" "start" "-a" "0faf15f2dca5fc518fc993b3331c7d07f8041467b98f1c4698cd15c50ed4601b", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.2.50
[INFO] [stdout] warning: function is never used: `flat_accent`
[INFO] [stdout]   --> src/mdc.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn flat_accent(label: &str, on_click: impl Fn() + 'static) -> Html {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `raised`
[INFO] [stdout]   --> src/mdc.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn raised(label: &str, on_click: impl Fn() + 'static) -> Html {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hidden`
[INFO] [stdout]   --> src/mdc.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn hidden(id: &str, src: &str, node_ref: &NodeRef) -> Html {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `audio`
[INFO] [stdout]   --> src/mdc.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn audio(id: &str, controls: bool, src: &str, node_ref: &NodeRef) -> Html {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.3.27
[INFO] [stderr]    Compiling wasm-bindgen-test v0.2.50
[INFO] [stderr]    Compiling potential v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `flat_accent`
[INFO] [stdout]   --> src/mdc.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn flat_accent(label: &str, on_click: impl Fn() + 'static) -> Html {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `raised`
[INFO] [stdout]   --> src/mdc.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn raised(label: &str, on_click: impl Fn() + 'static) -> Html {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hidden`
[INFO] [stdout]   --> src/mdc.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn hidden(id: &str, src: &str, node_ref: &NodeRef) -> Html {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `audio`
[INFO] [stdout]   --> src/mdc.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn audio(id: &str, controls: bool, src: &str, node_ref: &NodeRef) -> Html {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.25s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/potential-0f02adbddcf8a266)
[INFO] [stderr]   Executable tests/web.rs (/opt/rustwide/target/debug/deps/web-327c234c68386796)
[INFO] running `Command { std: "docker" "inspect" "0faf15f2dca5fc518fc993b3331c7d07f8041467b98f1c4698cd15c50ed4601b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0faf15f2dca5fc518fc993b3331c7d07f8041467b98f1c4698cd15c50ed4601b", kill_on_drop: false }`
[INFO] [stdout] 0faf15f2dca5fc518fc993b3331c7d07f8041467b98f1c4698cd15c50ed4601b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ba7f082d8969e14ecd15a8702c3565904490bc0a506bfec920d20f1a3332905b
[INFO] running `Command { std: "docker" "start" "-a" "ba7f082d8969e14ecd15a8702c3565904490bc0a506bfec920d20f1a3332905b", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `flat_accent`
[INFO] [stderr]   --> src/mdc.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn flat_accent(label: &str, on_click: impl Fn() + 'static) -> Html {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `raised`
[INFO] [stderr]   --> src/mdc.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn raised(label: &str, on_click: impl Fn() + 'static) -> Html {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hidden`
[INFO] [stderr]   --> src/mdc.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn hidden(id: &str, src: &str, node_ref: &NodeRef) -> Html {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `audio`
[INFO] [stderr]   --> src/mdc.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn audio(id: &str, controls: bool, src: &str, node_ref: &NodeRef) -> Html {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `potential` (lib) generated 4 warnings
[INFO] [stderr] warning: `potential` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/potential-0f02adbddcf8a266)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test recognition::round::tests::fail_first_step ... ok
[INFO] [stdout] test recognition::round::tests::fail_last_step ... ok
[INFO] [stdout] test recognition::round::tests::new ... ok
[INFO] [stdout] test recognition::round::tests::pass_first_step ... ok
[INFO] [stdout] test recognition::round::tests::pass_last_step ... ok
[INFO] [stdout] test recognition::step::tests::has_answer ... ok
[INFO] [stdout] test recognition::step::tests::has_audio ... ok
[INFO] [stdout] test recognition::tests::new_challenge ... ok
[INFO] [stdout] test recognition::tests::pass_last_step ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/web.rs (/opt/rustwide/target/debug/deps/web-327c234c68386796)
[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] [stderr]    Doc-tests potential
[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" "ba7f082d8969e14ecd15a8702c3565904490bc0a506bfec920d20f1a3332905b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba7f082d8969e14ecd15a8702c3565904490bc0a506bfec920d20f1a3332905b", kill_on_drop: false }`
[INFO] [stdout] ba7f082d8969e14ecd15a8702c3565904490bc0a506bfec920d20f1a3332905b