[INFO] fetching crate bioutils 0.2.2...
[INFO] testing bioutils-0.2.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate bioutils 0.2.2 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate bioutils 0.2.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-15/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sacabase v2.0.0
[INFO] [stderr]   Downloaded suffix_array v0.5.0
[INFO] [stderr]   Downloaded infer v0.5.0
[INFO] [stderr]   Downloaded cdivsufsort v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7783db43b22250d420ba80af3e7cfee652c7cb70134693882b33e9a288e0a6ff
[INFO] running `Command { std: "docker" "start" "-a" "7783db43b22250d420ba80af3e7cfee652c7cb70134693882b33e9a288e0a6ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7783db43b22250d420ba80af3e7cfee652c7cb70134693882b33e9a288e0a6ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7783db43b22250d420ba80af3e7cfee652c7cb70134693882b33e9a288e0a6ff", kill_on_drop: false }`
[INFO] [stdout] 7783db43b22250d420ba80af3e7cfee652c7cb70134693882b33e9a288e0a6ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a6dd76491b7fda3a60b9860208dd91b6749eb558a75c084bb81bdcd0eda81e0
[INFO] running `Command { std: "docker" "start" "-a" "7a6dd76491b7fda3a60b9860208dd91b6749eb558a75c084bb81bdcd0eda81e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling futures-task v0.3.13
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[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 http-body v0.4.1
[INFO] [stderr]    Compiling buf_redux v0.8.4
[INFO] [stderr]    Compiling sacabase v2.0.0
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]    Compiling futures-util v0.3.13
[INFO] [stderr]    Compiling cfb v0.4.0
[INFO] [stderr]    Compiling gif v0.11.2
[INFO] [stderr]    Compiling infer v0.5.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling suffix_array v0.5.0
[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 getrandom v0.2.2
[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 flate2 v1.0.20
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[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 v0.8.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling crossbeam v0.8.0
[INFO] [stderr]    Compiling ftp v3.0.1
[INFO] [stderr]    Compiling tokio-util v0.6.5
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling h2 v0.3.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling pin-project-internal v1.0.6
[INFO] [stderr]    Compiling serde_derive v1.0.125
[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 44.79s
[INFO] running `Command { std: "docker" "inspect" "7a6dd76491b7fda3a60b9860208dd91b6749eb558a75c084bb81bdcd0eda81e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a6dd76491b7fda3a60b9860208dd91b6749eb558a75c084bb81bdcd0eda81e0", kill_on_drop: false }`
[INFO] [stdout] 7a6dd76491b7fda3a60b9860208dd91b6749eb558a75c084bb81bdcd0eda81e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5532de95c68653859eca855be810317a404123da0d76517fb797412c67052cd
[INFO] running `Command { std: "docker" "start" "-a" "d5532de95c68653859eca855be810317a404123da0d76517fb797412c67052cd", kill_on_drop: false }`
[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 2.68s
[INFO] running `Command { std: "docker" "inspect" "d5532de95c68653859eca855be810317a404123da0d76517fb797412c67052cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5532de95c68653859eca855be810317a404123da0d76517fb797412c67052cd", kill_on_drop: false }`
[INFO] [stdout] d5532de95c68653859eca855be810317a404123da0d76517fb797412c67052cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6b22ee79ce9befe9c64736bb3872444872dcb7ed6a0de09a3f5f41b12cdf0573
[INFO] running `Command { std: "docker" "start" "-a" "6b22ee79ce9befe9c64736bb3872444872dcb7ed6a0de09a3f5f41b12cdf0573", 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: `bioutils` (lib) generated 1 warning
[INFO] [stderr] warning: `bioutils` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bioutils-c92b0b94d9f2a728)
[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 0.00s
[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 3.64s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6b22ee79ce9befe9c64736bb3872444872dcb7ed6a0de09a3f5f41b12cdf0573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b22ee79ce9befe9c64736bb3872444872dcb7ed6a0de09a3f5f41b12cdf0573", kill_on_drop: false }`
[INFO] [stdout] 6b22ee79ce9befe9c64736bb3872444872dcb7ed6a0de09a3f5f41b12cdf0573