[INFO] updating cached repository https://github.com/finegeometer/four-dimensions
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7b227a33496ff15437d7d787d6b97cb09cb3276f
[INFO] testing finegeometer/four-dimensions against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffinegeometer%2Ffour-dimensions" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/finegeometer/four-dimensions on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/finegeometer/four-dimensions
[INFO] finished tweaking git repo https://github.com/finegeometer/four-dimensions
[INFO] tweaked toml for git repo https://github.com/finegeometer/four-dimensions written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/finegeometer/four-dimensions already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 531a7424750402e59fc0b7dccc87fd1d64646cf09d64c5e856d2679c0c66e308
[INFO] running `"docker" "start" "-a" "531a7424750402e59fc0b7dccc87fd1d64646cf09d64c5e856d2679c0c66e308"`
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.50
[INFO] [stderr]    Compiling bumpalo v2.6.0
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling wasm-bindgen v0.2.50
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]    Compiling bit-vec v0.6.1 (https://github.com/contain-rs/bit-vec#b2d2bc81)
[INFO] [stderr]    Compiling chain-end v0.1.0 (https://github.com/finegeometer/chain-end-rs#83db6650)
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling polygon3 v0.1.0 (https://github.com/finegeometer/polygon3-rs#535d9aaa)
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling alga v0.9.1
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling backtrace v0.3.35
[INFO] [stderr]    Compiling weedle v0.10.0
[INFO] [stderr]    Compiling nalgebra v0.18.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.50
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.50
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.50
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.50
[INFO] [stderr]    Compiling js-sys v0.3.27
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling web-sys v0.3.27
[INFO] [stderr]    Compiling render-4d v0.0.0 (https://github.com/finegeometer/render-4d-rs#8733c587)
[INFO] [stderr]    Compiling four_dimensions v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around pattern
[INFO] [stderr]   --> src/world.rs:56:14
[INFO] [stderr]    |
[INFO] [stderr] 56 |         for &(mut dimensions) in &[[0, 1, 2, 3], [1, 0, 3, 2], [2, 3, 0, 1], [3, 2, 1, 0]] {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.35s
[INFO] running `"docker" "inspect" "531a7424750402e59fc0b7dccc87fd1d64646cf09d64c5e856d2679c0c66e308"`
[INFO] running `"docker" "rm" "-f" "531a7424750402e59fc0b7dccc87fd1d64646cf09d64c5e856d2679c0c66e308"`
[INFO] [stdout] 531a7424750402e59fc0b7dccc87fd1d64646cf09d64c5e856d2679c0c66e308
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 57db7c383fa5c50c53b99abea1588c38aa0a7055e6b3239a8290701f6eabf541
[INFO] running `"docker" "start" "-a" "57db7c383fa5c50c53b99abea1588c38aa0a7055e6b3239a8290701f6eabf541"`
[INFO] [stderr]    Compiling four_dimensions v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around pattern
[INFO] [stderr]   --> src/world.rs:56:14
[INFO] [stderr]    |
[INFO] [stderr] 56 |         for &(mut dimensions) in &[[0, 1, 2, 3], [1, 0, 3, 2], [2, 3, 0, 1], [3, 2, 1, 0]] {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `"docker" "inspect" "57db7c383fa5c50c53b99abea1588c38aa0a7055e6b3239a8290701f6eabf541"`
[INFO] running `"docker" "rm" "-f" "57db7c383fa5c50c53b99abea1588c38aa0a7055e6b3239a8290701f6eabf541"`
[INFO] [stdout] 57db7c383fa5c50c53b99abea1588c38aa0a7055e6b3239a8290701f6eabf541
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] d83b3ab37cb620ca64260c8ef1b7000220fc11e4cf77566a073dd2fd8e711254
[INFO] running `"docker" "start" "-a" "d83b3ab37cb620ca64260c8ef1b7000220fc11e4cf77566a073dd2fd8e711254"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/four_dimensions-ace2a89c4826e7a4
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d83b3ab37cb620ca64260c8ef1b7000220fc11e4cf77566a073dd2fd8e711254"`
[INFO] running `"docker" "rm" "-f" "d83b3ab37cb620ca64260c8ef1b7000220fc11e4cf77566a073dd2fd8e711254"`
[INFO] [stdout] d83b3ab37cb620ca64260c8ef1b7000220fc11e4cf77566a073dd2fd8e711254