[INFO] updating cached repository eclarke/komplexity
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/eclarke/komplexity
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/eclarke/komplexity" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/eclarke/komplexity"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/eclarke/komplexity'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/eclarke/komplexity" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/eclarke/komplexity"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/eclarke/komplexity'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d39bff9e64c50664604c949e94723faa84347859
[INFO] sha for GitHub repo eclarke/komplexity: d39bff9e64c50664604c949e94723faa84347859
[INFO] validating manifest of eclarke/komplexity on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of eclarke/komplexity on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing eclarke/komplexity
[INFO] finished frobbing eclarke/komplexity
[INFO] frobbed toml for eclarke/komplexity written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/eclarke/komplexity/Cargo.toml
[INFO] started frobbing eclarke/komplexity
[INFO] finished frobbing eclarke/komplexity
[INFO] frobbed toml for eclarke/komplexity written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/eclarke/komplexity/Cargo.toml
[INFO] crate eclarke/komplexity already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/eclarke/komplexity/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking eclarke/komplexity against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-2/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/eclarke/komplexity:/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a3fbf3047704af0da273cc55e66ddd2f40d61ffeecedee49eabc85e2670442f8
[INFO] running `"docker" "start" "-a" "a3fbf3047704af0da273cc55e66ddd2f40d61ffeecedee49eabc85e2670442f8"`
[INFO] [stderr]     Checking ndarray v0.9.1
[INFO] [stderr]     Checking clap v2.24.2
[INFO] [stderr]     Checking bio v0.14.2
[INFO] [stderr]     Checking komplexity v0.3.5 (/opt/crater/workdir)
[INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
[INFO] [stderr]    --> src/main.rs:159:13
[INFO] [stderr]     |
[INFO] [stderr] 159 | /             records
[INFO] [stderr] 160 | |                 .map(|r| r.expect("Error reading FASTA record"))
[INFO] [stderr] 161 | |                 .map(|r| {
[INFO] [stderr] 162 | |                     let id = r.id();
[INFO] [stderr] ...   |
[INFO] [stderr] 184 | |                 })
[INFO] [stderr] 185 | |                 .collect::<Vec<()>>();
[INFO] [stderr]     | |______________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
[INFO] [stderr]    --> src/main.rs:190:13
[INFO] [stderr]     |
[INFO] [stderr] 190 | /             records
[INFO] [stderr] 191 | |                 .map(|r| r.expect("Error reading FASTQ record"))
[INFO] [stderr] 192 | |                 .map(|r| {
[INFO] [stderr] 193 | |                     let id = r.id();
[INFO] [stderr] ...   |
[INFO] [stderr] 214 | |                 })
[INFO] [stderr] 215 | |                 .collect::<Vec<()>>();
[INFO] [stderr]     | |______________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
[INFO] [stderr]    --> src/main.rs:159:13
[INFO] [stderr]     |
[INFO] [stderr] 159 | /             records
[INFO] [stderr] 160 | |                 .map(|r| r.expect("Error reading FASTA record"))
[INFO] [stderr] 161 | |                 .map(|r| {
[INFO] [stderr] 162 | |                     let id = r.id();
[INFO] [stderr] ...   |
[INFO] [stderr] 184 | |                 })
[INFO] [stderr] 185 | |                 .collect::<Vec<()>>();
[INFO] [stderr]     | |______________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
[INFO] [stderr]    --> src/main.rs:190:13
[INFO] [stderr]     |
[INFO] [stderr] 190 | /             records
[INFO] [stderr] 191 | |                 .map(|r| r.expect("Error reading FASTQ record"))
[INFO] [stderr] 192 | |                 .map(|r| {
[INFO] [stderr] 193 | |                     let id = r.id();
[INFO] [stderr] ...   |
[INFO] [stderr] 214 | |                 })
[INFO] [stderr] 215 | |                 .collect::<Vec<()>>();
[INFO] [stderr]     | |______________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.47s
[INFO] running `"docker" "inspect" "a3fbf3047704af0da273cc55e66ddd2f40d61ffeecedee49eabc85e2670442f8"`
[INFO] running `"docker" "rm" "-f" "a3fbf3047704af0da273cc55e66ddd2f40d61ffeecedee49eabc85e2670442f8"`
[INFO] [stdout] a3fbf3047704af0da273cc55e66ddd2f40d61ffeecedee49eabc85e2670442f8