[INFO] updating cached repository TheSilvus/buddhabrot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/TheSilvus/buddhabrot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/TheSilvus/buddhabrot" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/TheSilvus/buddhabrot"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/TheSilvus/buddhabrot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/TheSilvus/buddhabrot" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/TheSilvus/buddhabrot"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/TheSilvus/buddhabrot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cfb5613add2f54259f36308137be4b9bc2bbda6c
[INFO] sha for GitHub repo TheSilvus/buddhabrot: cfb5613add2f54259f36308137be4b9bc2bbda6c
[INFO] validating manifest of TheSilvus/buddhabrot on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of TheSilvus/buddhabrot on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing TheSilvus/buddhabrot
[INFO] finished frobbing TheSilvus/buddhabrot
[INFO] frobbed toml for TheSilvus/buddhabrot written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/TheSilvus/buddhabrot/Cargo.toml
[INFO] started frobbing TheSilvus/buddhabrot
[INFO] finished frobbing TheSilvus/buddhabrot
[INFO] frobbed toml for TheSilvus/buddhabrot written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/TheSilvus/buddhabrot/Cargo.toml
[INFO] crate TheSilvus/buddhabrot has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking TheSilvus/buddhabrot against try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-2/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/TheSilvus/buddhabrot:/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" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7498fa69dff5f085e645bc899a84367d6ac3bb981fb7b2065aa518e5cabd750c
[INFO] running `"docker" "start" "-a" "7498fa69dff5f085e645bc899a84367d6ac3bb981fb7b2065aa518e5cabd750c"`
[INFO] [stderr]     Checking criterion-plot v0.2.5
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking csv v1.0.2
[INFO] [stderr]     Checking simplelog v0.5.3
[INFO] [stderr]     Checking handlebars v0.32.4
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking criterion v0.2.5
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking image v0.20.0
[INFO] [stderr]     Checking mandelbuddha v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::fs::OpenOptions`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::fs::OpenOptions;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::OpenOptions`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::fs::OpenOptions;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]    --> src/main.rs:399:10
[INFO] [stderr]     |
[INFO] [stderr] 399 | fn image(config: Config) {
[INFO] [stderr]     |          ^^^^^^ help: consider prefixing with an underscore: `_config`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]    --> src/main.rs:399:10
[INFO] [stderr]     |
[INFO] [stderr] 399 | fn image(config: Config) {
[INFO] [stderr]     |          ^^^^^^ help: consider prefixing with an underscore: `_config`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.87s
[INFO] running `"docker" "inspect" "7498fa69dff5f085e645bc899a84367d6ac3bb981fb7b2065aa518e5cabd750c"`
[INFO] running `"docker" "rm" "-f" "7498fa69dff5f085e645bc899a84367d6ac3bb981fb7b2065aa518e5cabd750c"`
[INFO] [stdout] 7498fa69dff5f085e645bc899a84367d6ac3bb981fb7b2065aa518e5cabd750c