[INFO] updating cached repository https://github.com/amsesk/biorust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 92ccd0dc8948867cf352258a3c3ff27d984f45d3
[INFO] checking amsesk/biorust against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Famsesk%2Fbiorust" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/amsesk/biorust on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/amsesk/biorust
[INFO] finished tweaking git repo https://github.com/amsesk/biorust
[INFO] tweaked toml for git repo https://github.com/amsesk/biorust written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/amsesk/biorust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 04efa3fd9dd754d64c489227d45895704978d7bd3bf73ff8a6eca02fd8e12f20
[INFO] running `"docker" "start" "-a" "04efa3fd9dd754d64c489227d45895704978d7bd3bf73ff8a6eca02fd8e12f20"`
[INFO] [stderr]     Checking biorust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/sequence.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{self, BufReader};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Sequence`
[INFO] [stderr]  --> src/main.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 3 | use sequence::{Sequence,SequenceCollection};
[INFO] [stderr]   |                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/sequence.rs:18:27
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn write_fasta(&self, path: &str) {}
[INFO] [stderr]    |                           ^^^^ help: consider prefixing with an underscore: `_path`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/sequence.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{self, BufReader};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Sequence`
[INFO] [stderr]  --> src/main.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 3 | use sequence::{Sequence,SequenceCollection};
[INFO] [stderr]   |                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/sequence.rs:18:27
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn write_fasta(&self, path: &str) {}
[INFO] [stderr]    |                           ^^^^ help: consider prefixing with an underscore: `_path`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.46s
[INFO] running `"docker" "inspect" "04efa3fd9dd754d64c489227d45895704978d7bd3bf73ff8a6eca02fd8e12f20"`
[INFO] running `"docker" "rm" "-f" "04efa3fd9dd754d64c489227d45895704978d7bd3bf73ff8a6eca02fd8e12f20"`
[INFO] [stdout] 04efa3fd9dd754d64c489227d45895704978d7bd3bf73ff8a6eca02fd8e12f20