[INFO] fetching crate rubikmaster 0.6.0...
[INFO] checking rubikmaster-0.6.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate rubikmaster 0.6.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate rubikmaster 0.6.0 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 crates.io crate rubikmaster 0.6.0
[INFO] finished tweaking crates.io crate rubikmaster 0.6.0
[INFO] tweaked toml for crates.io crate rubikmaster 0.6.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 97 packages
[INFO] [stderr]       Adding gloo v0.2.1 (latest: v0.11.0)
[INFO] [stderr]       Adding gloo-events v0.1.2 (latest: v0.2.0)
[INFO] [stderr]       Adding gloo-file v0.1.0 (latest: v0.3.0)
[INFO] [stderr]       Adding gloo-timers v0.2.6 (latest: v0.3.0)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding nalgebra v0.29.0 (latest: v0.32.5)
[INFO] [stderr]       Adding nalgebra-glm v0.15.0 (latest: v0.18.0)
[INFO] [stderr]       Adding nalgebra-macros v0.1.0 (latest: v0.2.1)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding simba v0.6.0 (latest: v0.8.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding yew v0.18.0 (latest: v0.21.0)
[INFO] [stderr]       Adding yew-macro v0.18.0 (latest: v0.21.0)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded cfg-match v0.2.1
[INFO] [stderr]   Downloaded gloo-console-timer v0.1.0
[INFO] [stderr]   Downloaded yew v0.18.0
[INFO] [stderr]   Downloaded nalgebra-glm v0.15.0
[INFO] [stderr]   Downloaded gloo v0.2.1
[INFO] [stderr]   Downloaded anymap v0.12.1
[INFO] [stderr]   Downloaded gloo-file v0.1.0
[INFO] [stderr]   Downloaded yew-macro v0.18.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 79715b9643892b2dc4e65f5c0d6e507c7418f8e45b77b899130dea7cb1112f47
[INFO] running `Command { std: "docker" "start" "-a" "79715b9643892b2dc4e65f5c0d6e507c7418f8e45b77b899130dea7cb1112f47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79715b9643892b2dc4e65f5c0d6e507c7418f8e45b77b899130dea7cb1112f47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79715b9643892b2dc4e65f5c0d6e507c7418f8e45b77b899130dea7cb1112f47", kill_on_drop: false }`
[INFO] [stdout] 79715b9643892b2dc4e65f5c0d6e507c7418f8e45b77b899130dea7cb1112f47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] cd09909c0f6a9fd4dada67048866c5f07fa5294877c6777305d1f123c14aa292
[INFO] running `Command { std: "docker" "start" "-a" "cd09909c0f6a9fd4dada67048866c5f07fa5294877c6777305d1f123c14aa292", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.92
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking safe_arch v0.7.1
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking wide v0.7.15
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking proptest v1.4.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.92
[INFO] [stderr]     Checking simba v0.6.0
[INFO] [stderr]     Checking wasm-bindgen v0.2.92
[INFO] [stderr]     Checking js-sys v0.3.69
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]     Checking web-sys v0.3.69
[INFO] [stderr]     Checking nalgebra v0.29.0
[INFO] [stderr]     Checking rubikmaster v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Move`
[INFO] [stdout]  --> src/cfop.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::{Command, Move};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SURFACE_LIST`
[INFO] [stdout]  --> src/matrix/mod.rs:5:43
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::coord::{Surface, SurfaceIndex, SURFACE_LIST};
[INFO] [stdout]   |                                           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MOVE_LIST`, `Move`
[INFO] [stdout]  --> src/matrix/mod.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::{Move, MOVE_LIST};
[INFO] [stdout]   |             ^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `r` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     r,
[INFO] [stdout]    |     ^ help: convert the identifier to upper camel case: `R`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `l` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     l,
[INFO] [stdout]    |     ^ help: convert the identifier to upper camel case: `L`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `f` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     f,
[INFO] [stdout]    |     ^ help: convert the identifier to upper camel case (notice the capitalization): `F`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `b` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     b,
[INFO] [stdout]    |     ^ help: convert the identifier to upper camel case: `B`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `u` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     u,
[INFO] [stdout]    |     ^ help: convert the identifier to upper camel case (notice the capitalization): `U`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `d` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     d,
[INFO] [stdout]    |     ^ help: convert the identifier to upper camel case: `D`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `x` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     x,
[INFO] [stdout]    |     ^ help: convert the identifier to upper camel case (notice the capitalization): `X`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `y` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     y,
[INFO] [stdout]    |     ^ help: convert the identifier to upper camel case (notice the capitalization): `Y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `z` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     z,
[INFO] [stdout]    |     ^ help: convert the identifier to upper camel case (notice the capitalization): `Z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `matof` is never used
[INFO] [stdout]   --> src/cfop.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn matof(c: Command) -> PermutationMatrix {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `matof` is never used
[INFO] [stdout]   --> src/matrix/mod.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn matof(c: Command) -> PermutationMatrix {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SURFACE_LIST`
[INFO] [stdout]  --> src/matrix/mod.rs:5:43
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::coord::{Surface, SurfaceIndex, SURFACE_LIST};
[INFO] [stdout]   |                                           ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `r` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     r,
[INFO] [stdout]    |     ^ help: convert the identifier to upper camel case: `R`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `l` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     l,
[INFO] [stdout]    |     ^ help: convert the identifier to upper camel case: `L`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `f` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     f,
[INFO] [stdout]    |     ^ help: convert the identifier to upper camel case (notice the capitalization): `F`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `b` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     b,
[INFO] [stdout]    |     ^ help: convert the identifier to upper camel case: `B`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `u` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     u,
[INFO] [stdout]    |     ^ help: convert the identifier to upper camel case (notice the capitalization): `U`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `d` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     d,
[INFO] [stdout]    |     ^ help: convert the identifier to upper camel case: `D`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `x` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     x,
[INFO] [stdout]    |     ^ help: convert the identifier to upper camel case (notice the capitalization): `X`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `y` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     y,
[INFO] [stdout]    |     ^ help: convert the identifier to upper camel case (notice the capitalization): `Y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `z` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     z,
[INFO] [stdout]    |     ^ help: convert the identifier to upper camel case (notice the capitalization): `Z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.80s
[INFO] running `Command { std: "docker" "inspect" "cd09909c0f6a9fd4dada67048866c5f07fa5294877c6777305d1f123c14aa292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd09909c0f6a9fd4dada67048866c5f07fa5294877c6777305d1f123c14aa292", kill_on_drop: false }`
[INFO] [stdout] cd09909c0f6a9fd4dada67048866c5f07fa5294877c6777305d1f123c14aa292