[INFO] updating cached repository natir/mapping2barcode
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/natir/mapping2barcode
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/natir/mapping2barcode" "work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/natir/mapping2barcode"`
[INFO] [stderr] Cloning into 'work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/natir/mapping2barcode'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/natir/mapping2barcode" "work/ex/pr-60932/sources/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7/gh/natir/mapping2barcode"`
[INFO] [stderr] Cloning into 'work/ex/pr-60932/sources/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7/gh/natir/mapping2barcode'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b3f5968927e2e5ecd3dad1fbb1e112b602e96975
[INFO] sha for GitHub repo natir/mapping2barcode: b3f5968927e2e5ecd3dad1fbb1e112b602e96975
[INFO] validating manifest of natir/mapping2barcode on toolchain master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of natir/mapping2barcode on toolchain try#097e26225c5cc28d3042ad4c80eac7c488f78ee7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+097e26225c5cc28d3042ad4c80eac7c488f78ee7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing natir/mapping2barcode
[INFO] finished frobbing natir/mapping2barcode
[INFO] frobbed toml for natir/mapping2barcode written to work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/natir/mapping2barcode/Cargo.toml
[INFO] started frobbing natir/mapping2barcode
[INFO] finished frobbing natir/mapping2barcode
[INFO] frobbed toml for natir/mapping2barcode written to work/ex/pr-60932/sources/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7/gh/natir/mapping2barcode/Cargo.toml
[INFO] crate natir/mapping2barcode already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+097e26225c5cc28d3042ad4c80eac7c488f78ee7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking natir/mapping2barcode against master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4 for pr-60932
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60932/worker-7/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/natir/mapping2barcode:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ec97c6d2a9547f997aaaf5aa3a9303e4cb2d51de58e1f0033bcc37ae5f8f18d4
[INFO] running `"docker" "start" "-a" "ec97c6d2a9547f997aaaf5aa3a9303e4cb2d51de58e1f0033bcc37ae5f8f18d4"`
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling lzma-sys v0.1.11
[INFO] [stderr]    Compiling bzip2-sys v0.1.6
[INFO] [stderr]    Compiling syn v0.15.14
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking xz2 v0.1.6
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking csv v1.0.2
[INFO] [stderr]     Checking multimap v0.4.0
[INFO] [stderr]     Checking bv v0.7.4
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking bio v0.20.3
[INFO] [stderr]     Checking mapping2barcodegraph v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `petgraph::visit::IntoNodeReferences`
[INFO] [stderr]  --> src/premolecule.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use petgraph::visit::IntoNodeReferences;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `petgraph::visit::IntoNodeReferences`
[INFO] [stderr]  --> src/premolecule.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use petgraph::visit::IntoNodeReferences;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/premolecule.rs:57:17
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let mut n = 0;
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/premolecule.rs:57:17
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let mut n = 0;
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/premolecule.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let mut n = 0;
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/premolecule.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let mut n = 0;
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.71s
[INFO] running `"docker" "inspect" "ec97c6d2a9547f997aaaf5aa3a9303e4cb2d51de58e1f0033bcc37ae5f8f18d4"`
[INFO] running `"docker" "rm" "-f" "ec97c6d2a9547f997aaaf5aa3a9303e4cb2d51de58e1f0033bcc37ae5f8f18d4"`
[INFO] [stdout] ec97c6d2a9547f997aaaf5aa3a9303e4cb2d51de58e1f0033bcc37ae5f8f18d4