[INFO] updating cached repository johanullen/hashcode2019_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/johanullen/hashcode2019_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/johanullen/hashcode2019_rust" "work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/johanullen/hashcode2019_rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/johanullen/hashcode2019_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/johanullen/hashcode2019_rust" "work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/johanullen/hashcode2019_rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/johanullen/hashcode2019_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5961fb7544219ca529c40e3a650cec31c765a9d6
[INFO] sha for GitHub repo johanullen/hashcode2019_rust: 5961fb7544219ca529c40e3a650cec31c765a9d6
[INFO] validating manifest of johanullen/hashcode2019_rust on toolchain master#6ea4036cd20a4b1ab1d56e555108c21735ff6946
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of johanullen/hashcode2019_rust on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing johanullen/hashcode2019_rust
[INFO] finished frobbing johanullen/hashcode2019_rust
[INFO] frobbed toml for johanullen/hashcode2019_rust written to work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/johanullen/hashcode2019_rust/Cargo.toml
[INFO] started frobbing johanullen/hashcode2019_rust
[INFO] finished frobbing johanullen/hashcode2019_rust
[INFO] frobbed toml for johanullen/hashcode2019_rust written to work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/johanullen/hashcode2019_rust/Cargo.toml
[INFO] crate johanullen/hashcode2019_rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking johanullen/hashcode2019_rust against try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc for pr-62181
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-2/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/johanullen/hashcode2019_rust:/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" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e8ffcba5011c72801a52856c5c2ba319f13ca93cd3ddaa9959b1cc3eb4f2e6bf
[INFO] running `"docker" "start" "-a" "e8ffcba5011c72801a52856c5c2ba319f13ca93cd3ddaa9959b1cc3eb4f2e6bf"`
[INFO] [stderr]     Checking ndarray v0.12.1
[INFO] [stderr]     Checking hashcode2019 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:16:18
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn run_alg(alg: &Fn(&Pics) -> Pics, pics: &Pics, name: &str, print_pics: bool) -> Pics {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Pics) -> Pics`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:16:18
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn run_alg(alg: &Fn(&Pics) -> Pics, pics: &Pics, name: &str, print_pics: bool) -> Pics {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Pics) -> Pics`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.96s
[INFO] running `"docker" "inspect" "e8ffcba5011c72801a52856c5c2ba319f13ca93cd3ddaa9959b1cc3eb4f2e6bf"`
[INFO] running `"docker" "rm" "-f" "e8ffcba5011c72801a52856c5c2ba319f13ca93cd3ddaa9959b1cc3eb4f2e6bf"`
[INFO] [stdout] e8ffcba5011c72801a52856c5c2ba319f13ca93cd3ddaa9959b1cc3eb4f2e6bf