[INFO] updating cached repository Schr3da/Boxes---A-Small-Puzzle-Project
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Schr3da/Boxes---A-Small-Puzzle-Project
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Schr3da/Boxes---A-Small-Puzzle-Project" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/Schr3da/Boxes---A-Small-Puzzle-Project"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/Schr3da/Boxes---A-Small-Puzzle-Project'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Schr3da/Boxes---A-Small-Puzzle-Project" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Schr3da/Boxes---A-Small-Puzzle-Project"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Schr3da/Boxes---A-Small-Puzzle-Project'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d5f401d22cdfab1215a9ffda6d4836249f025d5d
[INFO] sha for GitHub repo Schr3da/Boxes---A-Small-Puzzle-Project: d5f401d22cdfab1215a9ffda6d4836249f025d5d
[INFO] validating manifest of Schr3da/Boxes---A-Small-Puzzle-Project on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Schr3da/Boxes---A-Small-Puzzle-Project on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Schr3da/Boxes---A-Small-Puzzle-Project
[INFO] finished frobbing Schr3da/Boxes---A-Small-Puzzle-Project
[INFO] frobbed toml for Schr3da/Boxes---A-Small-Puzzle-Project written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/Schr3da/Boxes---A-Small-Puzzle-Project/Cargo.toml
[INFO] started frobbing Schr3da/Boxes---A-Small-Puzzle-Project
[INFO] finished frobbing Schr3da/Boxes---A-Small-Puzzle-Project
[INFO] frobbed toml for Schr3da/Boxes---A-Small-Puzzle-Project written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Schr3da/Boxes---A-Small-Puzzle-Project/Cargo.toml
[INFO] crate Schr3da/Boxes---A-Small-Puzzle-Project already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Schr3da/Boxes---A-Small-Puzzle-Project against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-2/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Schr3da/Boxes---A-Small-Puzzle-Project:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a1f206db2bf77fa6b3f872a054f780849d316dcc0e2ae0d04250831775a47974
[INFO] running `"docker" "start" "-a" "a1f206db2bf77fa6b3f872a054f780849d316dcc0e2ae0d04250831775a47974"`
[INFO] [stderr]     Checking boxes v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `std` is imported redundantly
[INFO] [stderr]   --> src/renderers.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |         use std;
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:32:34
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub fn iter_over_grid(func: &mut FnMut(i32, i32, i32)) {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32, i32, i32)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `std` is imported redundantly
[INFO] [stderr]   --> src/renderers.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |         use std;
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:32:34
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub fn iter_over_grid(func: &mut FnMut(i32, i32, i32)) {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32, i32, i32)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `"docker" "inspect" "a1f206db2bf77fa6b3f872a054f780849d316dcc0e2ae0d04250831775a47974"`
[INFO] running `"docker" "rm" "-f" "a1f206db2bf77fa6b3f872a054f780849d316dcc0e2ae0d04250831775a47974"`
[INFO] [stdout] a1f206db2bf77fa6b3f872a054f780849d316dcc0e2ae0d04250831775a47974