[INFO] fetching crate bioutils 0.2.2...
[INFO] testing bioutils-0.2.2 against 1.54.0 for beta-1.55-1
[INFO] extracting crate bioutils 0.2.2 into /workspace/builds/worker-57/source
[INFO] validating manifest of crates.io crate bioutils 0.2.2 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bioutils 0.2.2
[INFO] finished tweaking crates.io crate bioutils 0.2.2
[INFO] tweaked toml for crates.io crate bioutils 0.2.2 written to /workspace/builds/worker-57/source/Cargo.toml
[INFO] crate crates.io crate bioutils 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6688887a65a88138e8c1d37d720a3eb1e0eaf59f11927a09024cab17535e4b9
[INFO] running `Command { std: "docker" "start" "-a" "f6688887a65a88138e8c1d37d720a3eb1e0eaf59f11927a09024cab17535e4b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6688887a65a88138e8c1d37d720a3eb1e0eaf59f11927a09024cab17535e4b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6688887a65a88138e8c1d37d720a3eb1e0eaf59f11927a09024cab17535e4b9", kill_on_drop: false }`
[INFO] [stdout] f6688887a65a88138e8c1d37d720a3eb1e0eaf59f11927a09024cab17535e4b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2aaf21c8b4c4d2b30eaa18dc21683e31813bfdc750fe4fccecb8c1cf17ef3fe8
[INFO] running `Command { std: "docker" "start" "-a" "2aaf21c8b4c4d2b30eaa18dc21683e31813bfdc750fe4fccecb8c1cf17ef3fe8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling futures-core v0.3.13
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling futures-task v0.3.13
[INFO] [stderr]    Compiling futures-sink v0.3.13
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling ipnet v2.3.0
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling bytemuck v1.5.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling tinyvec v1.1.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]    Compiling futures-channel v0.3.13
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling futures-util v0.3.13
[INFO] [stderr]    Compiling buf_redux v0.8.4
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling gif v0.11.2
[INFO] [stderr]    Compiling http v0.2.3
[INFO] [stderr]    Compiling cfb v0.4.0
[INFO] [stderr]    Compiling tracing v0.1.25
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling infer v0.5.0
[INFO] [stderr]    Compiling openssl-sys v0.9.61
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling curl-sys v0.4.40+curl-7.75.0
[INFO] [stderr]    Compiling cdivsufsort v2.0.0
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling sacabase v2.0.0
[INFO] [stderr]    Compiling idna v0.2.2
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling suffix_array v0.5.0
[INFO] [stderr]    Compiling crossbeam v0.8.0
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling url v2.2.1
[INFO] [stderr]    Compiling http-body v0.4.1
[INFO] [stderr]    Compiling ftp v3.0.1
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling tokio-util v0.6.5
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling h2 v0.3.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.6
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling pin-project v1.0.6
[INFO] [stderr]    Compiling hyper v0.14.4
[INFO] [stderr]    Compiling seq_io v0.3.1
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.2
[INFO] [stderr]    Compiling bioutils v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `mean`
[INFO] [stdout]    --> src/utils/get/value.rs:153:4
[INFO] [stdout]     |
[INFO] [stdout] 153 | fn mean(numbers: &[u8]) -> u64 {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.96s
[INFO] running `Command { std: "docker" "inspect" "2aaf21c8b4c4d2b30eaa18dc21683e31813bfdc750fe4fccecb8c1cf17ef3fe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aaf21c8b4c4d2b30eaa18dc21683e31813bfdc750fe4fccecb8c1cf17ef3fe8", kill_on_drop: false }`
[INFO] [stdout] 2aaf21c8b4c4d2b30eaa18dc21683e31813bfdc750fe4fccecb8c1cf17ef3fe8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e68837be4f702cecb0a56ce0886d580b869c3fbeb3e34dcb55aa907d8036c888
[INFO] running `Command { std: "docker" "start" "-a" "e68837be4f702cecb0a56ce0886d580b869c3fbeb3e34dcb55aa907d8036c888", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bioutils v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `mean`
[INFO] [stdout]    --> src/utils/get/value.rs:153:4
[INFO] [stdout]     |
[INFO] [stdout] 153 | fn mean(numbers: &[u8]) -> u64 {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mean`
[INFO] [stdout]    --> src/utils/get/value.rs:153:4
[INFO] [stdout]     |
[INFO] [stdout] 153 | fn mean(numbers: &[u8]) -> u64 {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.65s
[INFO] running `Command { std: "docker" "inspect" "e68837be4f702cecb0a56ce0886d580b869c3fbeb3e34dcb55aa907d8036c888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e68837be4f702cecb0a56ce0886d580b869c3fbeb3e34dcb55aa907d8036c888", kill_on_drop: false }`
[INFO] [stdout] e68837be4f702cecb0a56ce0886d580b869c3fbeb3e34dcb55aa907d8036c888
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0fb25c744ca07d3ca4b372adf8479df0faa9c0e10c430677d9563fdd04e417a1
[INFO] running `Command { std: "docker" "start" "-a" "0fb25c744ca07d3ca4b372adf8479df0faa9c0e10c430677d9563fdd04e417a1", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `mean`
[INFO] [stderr]    --> src/utils/get/value.rs:153:4
[INFO] [stderr]     |
[INFO] [stderr] 153 | fn mean(numbers: &[u8]) -> u64 {
[INFO] [stderr]     |    ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mean`
[INFO] [stderr]    --> src/utils/get/value.rs:153:4
[INFO] [stderr]     |
[INFO] [stderr] 153 | fn mean(numbers: &[u8]) -> u64 {
[INFO] [stderr]     |    ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bioutils-9e2a7268ca80b921)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests bioutils
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/utils/new/random.rs - utils::new::random (line 4) ... ok
[INFO] [stdout] test src/utils/mutate/random.rs - utils::mutate::random (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.59s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0fb25c744ca07d3ca4b372adf8479df0faa9c0e10c430677d9563fdd04e417a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fb25c744ca07d3ca4b372adf8479df0faa9c0e10c430677d9563fdd04e417a1", kill_on_drop: false }`
[INFO] [stdout] 0fb25c744ca07d3ca4b372adf8479df0faa9c0e10c430677d9563fdd04e417a1
