[INFO] cloning repository https://github.com/ixora-0/rubiks-solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ixora-0/rubiks-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fixora-0%2Frubiks-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fixora-0%2Frubiks-solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 06a09931d9fb442f544d09a0dacde90da224570a [INFO] checking ixora-0/rubiks-solver against master#90384941aae4ea38de00e4702b50757e9b882a19 for pr-138340 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fixora-0%2Frubiks-solver" "/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/ixora-0/rubiks-solver on toolchain 90384941aae4ea38de00e4702b50757e9b882a19 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+90384941aae4ea38de00e4702b50757e9b882a19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ixora-0/rubiks-solver [INFO] finished tweaking git repo https://github.com/ixora-0/rubiks-solver [INFO] tweaked toml for git repo https://github.com/ixora-0/rubiks-solver written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ixora-0/rubiks-solver 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" "+90384941aae4ea38de00e4702b50757e9b882a19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+90384941aae4ea38de00e4702b50757e9b882a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 28154b5258fdaf9535cc214dfaedd18c7d2a575853c81962804e138d9bcebdad [INFO] running `Command { std: "docker" "start" "-a" "28154b5258fdaf9535cc214dfaedd18c7d2a575853c81962804e138d9bcebdad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "28154b5258fdaf9535cc214dfaedd18c7d2a575853c81962804e138d9bcebdad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28154b5258fdaf9535cc214dfaedd18c7d2a575853c81962804e138d9bcebdad", kill_on_drop: false }` [INFO] [stdout] 28154b5258fdaf9535cc214dfaedd18c7d2a575853c81962804e138d9bcebdad [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=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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+90384941aae4ea38de00e4702b50757e9b882a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 20504b22edec42f100653b2d7aac716b95d7bd7b3c0091e19c267f0d3782790d [INFO] running `Command { std: "docker" "start" "-a" "20504b22edec42f100653b2d7aac716b95d7bd7b3c0091e19c267f0d3782790d", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling serde v1.0.152 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking ryu v1.0.12 [INFO] [stderr] Checking itoa v1.0.5 [INFO] [stderr] Checking matrixmultiply v0.3.2 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking getrandom v0.2.8 [INFO] [stderr] Checking num-complex v0.4.3 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking ndarray v0.15.6 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking csv v1.2.0 [INFO] [stderr] Checking rubiks v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/search.rs:110:30 [INFO] [stdout] | [INFO] [stdout] 110 | if let Some(cache) = &ALL_POSSIBLE_SOLVED_CUBES_CACHE { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] help: use `&raw const` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 110 | if let Some(cache) = &raw const ALL_POSSIBLE_SOLVED_CUBES_CACHE { [INFO] [stdout] | +++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/search.rs:114:13 [INFO] [stdout] | [INFO] [stdout] 114 | ALL_POSSIBLE_SOLVED_CUBES_CACHE.as_ref().unwrap().iter() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/search.rs:110:30 [INFO] [stdout] | [INFO] [stdout] 110 | if let Some(cache) = &ALL_POSSIBLE_SOLVED_CUBES_CACHE { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] help: use `&raw const` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 110 | if let Some(cache) = &raw const ALL_POSSIBLE_SOLVED_CUBES_CACHE { [INFO] [stdout] | +++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/search.rs:114:13 [INFO] [stdout] | [INFO] [stdout] 114 | ALL_POSSIBLE_SOLVED_CUBES_CACHE.as_ref().unwrap().iter() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.55s [INFO] running `Command { std: "docker" "inspect" "20504b22edec42f100653b2d7aac716b95d7bd7b3c0091e19c267f0d3782790d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20504b22edec42f100653b2d7aac716b95d7bd7b3c0091e19c267f0d3782790d", kill_on_drop: false }` [INFO] [stdout] 20504b22edec42f100653b2d7aac716b95d7bd7b3c0091e19c267f0d3782790d