[INFO] fetching crate rubikmaster 0.6.0...
[INFO] checking rubikmaster-0.6.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate rubikmaster 0.6.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rubikmaster 0.6.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d067828841b974a839c2ff17fd99265cbbcce18293497d1b7c253556424a7ea
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2d067828841b974a839c2ff17fd99265cbbcce18293497d1b7c253556424a7ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d067828841b974a839c2ff17fd99265cbbcce18293497d1b7c253556424a7ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d067828841b974a839c2ff17fd99265cbbcce18293497d1b7c253556424a7ea", kill_on_drop: false }`
[INFO] [stdout] 2d067828841b974a839c2ff17fd99265cbbcce18293497d1b7c253556424a7ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7030490b095f9e338e67921a8028b6c23217c7c9987fb1deb312622ed74083a9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7030490b095f9e338e67921a8028b6c23217c7c9987fb1deb312622ed74083a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.78
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bumpalo v3.8.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.78
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]     Checking safe_arch v0.6.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking wide v0.7.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.78
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.78
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking approx v0.5.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v1.0.0
[INFO] [stderr]     Checking simba v0.6.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.78
[INFO] [stderr]     Checking js-sys v0.3.55
[INFO] [stderr]     Checking web-sys v0.3.55
[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 is never used: `matof`
[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 is never used: `matof`
[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 [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "7030490b095f9e338e67921a8028b6c23217c7c9987fb1deb312622ed74083a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7030490b095f9e338e67921a8028b6c23217c7c9987fb1deb312622ed74083a9", kill_on_drop: false }`
[INFO] [stdout] 7030490b095f9e338e67921a8028b6c23217c7c9987fb1deb312622ed74083a9