[INFO] updating cached repository snd/rosalind.rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/snd/rosalind.rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/snd/rosalind.rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/snd/rosalind.rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/snd/rosalind.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/snd/rosalind.rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/snd/rosalind.rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/snd/rosalind.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3d22cb7a831606094cf0d7e984f54deebffa5f1a
[INFO] sha for GitHub repo snd/rosalind.rs: 3d22cb7a831606094cf0d7e984f54deebffa5f1a
[INFO] validating manifest of snd/rosalind.rs 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 snd/rosalind.rs 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 snd/rosalind.rs
[INFO] finished frobbing snd/rosalind.rs
[INFO] frobbed toml for snd/rosalind.rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/snd/rosalind.rs/Cargo.toml
[INFO] started frobbing snd/rosalind.rs
[INFO] finished frobbing snd/rosalind.rs
[INFO] frobbed toml for snd/rosalind.rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/snd/rosalind.rs/Cargo.toml
[INFO] crate snd/rosalind.rs 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 snd/rosalind.rs against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/snd/rosalind.rs:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 59229b1ef5a64bda81b4202c9dbe5839418059775e889fc167fb8e9bc59adab2
[INFO] running `"docker" "start" "-a" "59229b1ef5a64bda81b4202c9dbe5839418059775e889fc167fb8e9bc59adab2"`
[INFO] [stderr]    Compiling libc v0.2.53
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling rosalind v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use] extern crate approx;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::hash::Hash`
[INFO] [stderr]  --> src/lib.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::hash::Hash;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.03s
[INFO] running `"docker" "inspect" "59229b1ef5a64bda81b4202c9dbe5839418059775e889fc167fb8e9bc59adab2"`
[INFO] running `"docker" "rm" "-f" "59229b1ef5a64bda81b4202c9dbe5839418059775e889fc167fb8e9bc59adab2"`
[INFO] [stdout] 59229b1ef5a64bda81b4202c9dbe5839418059775e889fc167fb8e9bc59adab2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/snd/rosalind.rs:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0717f0866959f404c0b0f7e039eff9918a2c3b95238cf9a30e8641a82bd47cd5
[INFO] running `"docker" "start" "-a" "0717f0866959f404c0b0f7e039eff9918a2c3b95238cf9a30e8641a82bd47cd5"`
[INFO] [stderr]    Compiling rosalind v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::hash::Hash`
[INFO] [stderr]  --> src/lib.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::hash::Hash;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.88s
[INFO] running `"docker" "inspect" "0717f0866959f404c0b0f7e039eff9918a2c3b95238cf9a30e8641a82bd47cd5"`
[INFO] running `"docker" "rm" "-f" "0717f0866959f404c0b0f7e039eff9918a2c3b95238cf9a30e8641a82bd47cd5"`
[INFO] [stdout] 0717f0866959f404c0b0f7e039eff9918a2c3b95238cf9a30e8641a82bd47cd5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/snd/rosalind.rs:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 05a1410d569347835978026bf517e77697a8e94ccaa33030a0509e03918c12d4
[INFO] running `"docker" "start" "-a" "05a1410d569347835978026bf517e77697a8e94ccaa33030a0509e03918c12d4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rosalind-105c146be7cb3724
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test_gc_content ... ok
[INFO] [stdout] test exercises::test_hamm ... ok
[INFO] [stdout] test test_hamming_distance ... ok
[INFO] [stdout] test exercises::test_gc ... ok
[INFO] [stdout] test exercises::test_dna ... ok
[INFO] [stdout] test exercises::test_revc ... ok
[INFO] [stdout] test exercises::test_rna ... ok
[INFO] [stdout] test test_parse_fasta_records ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dna-81b606fe891d939d
[INFO] [stderr]      Running /opt/crater/target/debug/deps/gc-88c95f9b48c3f2c8
[INFO] [stdout] 
[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] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hamm-27da5c961c253423
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/revc-7bbe0e5cf72af095
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rna-f3a69ccdf34678d7
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]    Doc-tests rosalind
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stdout] 
[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] [stdout] 
[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] [stdout] 
[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" "05a1410d569347835978026bf517e77697a8e94ccaa33030a0509e03918c12d4"`
[INFO] running `"docker" "rm" "-f" "05a1410d569347835978026bf517e77697a8e94ccaa33030a0509e03918c12d4"`
[INFO] [stdout] 05a1410d569347835978026bf517e77697a8e94ccaa33030a0509e03918c12d4