[INFO] cloning repository https://github.com/wipplelang/visualizer-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wipplelang/visualizer-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwipplelang%2Fvisualizer-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwipplelang%2Fvisualizer-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea3c2380e150bdabb14770f21bd63dd98830ec3d
[INFO] checking wipplelang/visualizer-demo against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwipplelang%2Fvisualizer-demo" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/wipplelang/visualizer-demo
[INFO] finished tweaking git repo https://github.com/wipplelang/visualizer-demo
[INFO] tweaked toml for git repo https://github.com/wipplelang/visualizer-demo written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wipplelang/visualizer-demo on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/wipplelang/visualizer-demo 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ba9458eb35c2bbb557807511f33b9d71476525a702a327e02079f833110af03
[INFO] running `Command { std: "docker" "start" "-a" "8ba9458eb35c2bbb557807511f33b9d71476525a702a327e02079f833110af03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ba9458eb35c2bbb557807511f33b9d71476525a702a327e02079f833110af03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ba9458eb35c2bbb557807511f33b9d71476525a702a327e02079f833110af03", kill_on_drop: false }`
[INFO] [stdout] 8ba9458eb35c2bbb557807511f33b9d71476525a702a327e02079f833110af03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 302e50f8eba9e72aee14a5ae2c6825250de23ca88c7a3003fcf667c370f5bef9
[INFO] running `Command { std: "docker" "start" "-a" "302e50f8eba9e72aee14a5ae2c6825250de23ca88c7a3003fcf667c370f5bef9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]     Checking dyn-eq v0.1.3
[INFO] [stderr]     Checking colored v3.0.0
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking ordered-float v5.0.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.100
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling bumpalo v3.18.1
[INFO] [stderr]     Checking clap_builder v4.5.42
[INFO] [stderr]     Checking text-size v1.1.1
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking textwrap v0.16.2
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking line-index v0.1.2
[INFO] [stderr]    Compiling rust-embed-utils v8.7.2
[INFO] [stderr]     Checking hashlink v0.10.0
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking saphyr-parser v0.0.6
[INFO] [stderr]     Checking saphyr v0.0.6
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling enum_delegate_lib v0.2.0
[INFO] [stderr]    Compiling enum_delegate v0.2.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.100
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling derive-where v1.6.0
[INFO] [stderr]    Compiling pest-ast v0.3.6
[INFO] [stderr]    Compiling rust-embed-impl v8.7.2
[INFO] [stderr]    Compiling clap_derive v4.5.41
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.100
[INFO] [stderr]     Checking rust-embed v8.7.2
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]     Checking pest v2.8.1
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.100
[INFO] [stderr]     Checking wasm-bindgen v0.2.100
[INFO] [stderr]     Checking clap v4.5.42
[INFO] [stderr]     Checking from-pest v0.3.4
[INFO] [stderr]    Compiling pest_meta v2.8.1
[INFO] [stderr]     Checking js-sys v0.3.77
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]    Compiling pest_generator v2.8.1
[INFO] [stderr]    Compiling pest_derive v2.8.1
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking wipple-syntax v0.0.0 (/opt/rustwide/workdir/wipple/crates/syntax)
[INFO] [stderr]     Checking serde_json v1.0.142
[INFO] [stderr]     Checking serde-wasm-bindgen v0.6.5
[INFO] [stderr]     Checking visualizer v0.0.0 (/opt/rustwide/workdir/visualizer)
[INFO] [stdout] error: this type will no longer be must used: Result<groups::Group<Db>, Infallible>
[INFO] [stdout]   --> visualizer/src/groups.rs:86:77
[INFO] [stdout]    |
[INFO] [stdout] 86 |       fn unify_values(left: &Self, right: &Self) -> Result<Self, Self::Error> {
[INFO] [stdout]    |  _____________________________________________________________________________^
[INFO] [stdout] 87 | |         Ok(Group(left.0.union(&right.0).copied().collect()))
[INFO] [stdout] 88 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<groups::Group<Db>, Infallible>
[INFO] [stdout]   --> visualizer/src/groups.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |         Ok(Group(left.0.union(&right.0).copied().collect()))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `visualizer` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<groups::Group<Db>, Infallible>
[INFO] [stdout]   --> visualizer/src/groups.rs:86:77
[INFO] [stdout]    |
[INFO] [stdout] 86 |       fn unify_values(left: &Self, right: &Self) -> Result<Self, Self::Error> {
[INFO] [stdout]    |  _____________________________________________________________________________^
[INFO] [stdout] 87 | |         Ok(Group(left.0.union(&right.0).copied().collect()))
[INFO] [stdout] 88 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<groups::Group<Db>, Infallible>
[INFO] [stdout]   --> visualizer/src/groups.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |         Ok(Group(left.0.union(&right.0).copied().collect()))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `visualizer` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "302e50f8eba9e72aee14a5ae2c6825250de23ca88c7a3003fcf667c370f5bef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "302e50f8eba9e72aee14a5ae2c6825250de23ca88c7a3003fcf667c370f5bef9", kill_on_drop: false }`
[INFO] [stdout] 302e50f8eba9e72aee14a5ae2c6825250de23ca88c7a3003fcf667c370f5bef9