[INFO] updating cached repository amsesk/biorust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/amsesk/biorust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/amsesk/biorust" "work/ex/beta-1.38-1/sources/1.37.0/gh/amsesk/biorust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/amsesk/biorust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/amsesk/biorust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/amsesk/biorust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/amsesk/biorust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 92ccd0dc8948867cf352258a3c3ff27d984f45d3
[INFO] sha for GitHub repo amsesk/biorust: 92ccd0dc8948867cf352258a3c3ff27d984f45d3
[INFO] validating manifest of amsesk/biorust on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of amsesk/biorust on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing amsesk/biorust
[INFO] finished frobbing amsesk/biorust
[INFO] frobbed toml for amsesk/biorust written to work/ex/beta-1.38-1/sources/1.37.0/gh/amsesk/biorust/Cargo.toml
[INFO] started frobbing amsesk/biorust
[INFO] finished frobbing amsesk/biorust
[INFO] frobbed toml for amsesk/biorust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/amsesk/biorust/Cargo.toml
[INFO] crate amsesk/biorust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing amsesk/biorust against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/amsesk/biorust:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 30a8e30e1ff54e8eba7218fa58b68e1f18abbd095db5f7ca79fbb51bfd892460
[INFO] running `"docker" "start" "-a" "30a8e30e1ff54e8eba7218fa58b68e1f18abbd095db5f7ca79fbb51bfd892460"`
[INFO] [stderr]    Compiling biorust v0.1.0 (/opt/crater/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]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `"docker" "inspect" "30a8e30e1ff54e8eba7218fa58b68e1f18abbd095db5f7ca79fbb51bfd892460"`
[INFO] running `"docker" "rm" "-f" "30a8e30e1ff54e8eba7218fa58b68e1f18abbd095db5f7ca79fbb51bfd892460"`
[INFO] [stdout] 30a8e30e1ff54e8eba7218fa58b68e1f18abbd095db5f7ca79fbb51bfd892460
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/amsesk/biorust:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] fdd6e22958b4b728dd47445d48b182a50b18410aa1040b14c4a5999da6189a2b
[INFO] running `"docker" "start" "-a" "fdd6e22958b4b728dd47445d48b182a50b18410aa1040b14c4a5999da6189a2b"`
[INFO] [stderr]    Compiling biorust v0.1.0 (/opt/crater/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]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "fdd6e22958b4b728dd47445d48b182a50b18410aa1040b14c4a5999da6189a2b"`
[INFO] running `"docker" "rm" "-f" "fdd6e22958b4b728dd47445d48b182a50b18410aa1040b14c4a5999da6189a2b"`
[INFO] [stdout] fdd6e22958b4b728dd47445d48b182a50b18410aa1040b14c4a5999da6189a2b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/amsesk/biorust:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] e0d7aff7ca2d14dcee2bf7f1cc20819af22f88a3c84446f2ebd8e059878337d1
[INFO] running `"docker" "start" "-a" "e0d7aff7ca2d14dcee2bf7f1cc20819af22f88a3c84446f2ebd8e059878337d1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/biorust-e251857873d0817a
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e0d7aff7ca2d14dcee2bf7f1cc20819af22f88a3c84446f2ebd8e059878337d1"`
[INFO] running `"docker" "rm" "-f" "e0d7aff7ca2d14dcee2bf7f1cc20819af22f88a3c84446f2ebd8e059878337d1"`
[INFO] [stdout] e0d7aff7ca2d14dcee2bf7f1cc20819af22f88a3c84446f2ebd8e059878337d1