[INFO] fetching crate fastleng 0.1.1...
[INFO] testing fastleng-0.1.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate fastleng 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fastleng 0.1.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fastleng 0.1.1
[INFO] finished tweaking crates.io crate fastleng 0.1.1
[INFO] tweaked toml for crates.io crate fastleng 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate fastleng 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed1fbab64fdb10f49eca80900f116b8a2756e2123c20f55fb290ea4406ac7871
[INFO] running `Command { std: "docker" "start" "-a" "ed1fbab64fdb10f49eca80900f116b8a2756e2123c20f55fb290ea4406ac7871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed1fbab64fdb10f49eca80900f116b8a2756e2123c20f55fb290ea4406ac7871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed1fbab64fdb10f49eca80900f116b8a2756e2123c20f55fb290ea4406ac7871", kill_on_drop: false }`
[INFO] [stdout] ed1fbab64fdb10f49eca80900f116b8a2756e2123c20f55fb290ea4406ac7871
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecb29d6a4917e851234be3a1a0b6ddd4ddbeb7d563b1759b28c892da9098678d
[INFO] running `Command { std: "docker" "start" "-a" "ecb29d6a4917e851234be3a1a0b6ddd4ddbeb7d563b1759b28c892da9098678d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling buf_redux v0.8.4
[INFO] [stderr]    Compiling lzma-sys v0.1.17
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling xz2 v0.1.6
[INFO] [stderr]    Compiling bzip2 v0.4.3
[INFO] [stderr]    Compiling needletail v0.4.1
[INFO] [stderr]    Compiling fastleng v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.25s
[INFO] running `Command { std: "docker" "inspect" "ecb29d6a4917e851234be3a1a0b6ddd4ddbeb7d563b1759b28c892da9098678d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecb29d6a4917e851234be3a1a0b6ddd4ddbeb7d563b1759b28c892da9098678d", kill_on_drop: false }`
[INFO] [stdout] ecb29d6a4917e851234be3a1a0b6ddd4ddbeb7d563b1759b28c892da9098678d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32664bd74a2290fb6a2d5fc35eef6efed88de100fe9f080e5bfa5f726c6a4840
[INFO] running `Command { std: "docker" "start" "-a" "32664bd74a2290fb6a2d5fc35eef6efed88de100fe9f080e5bfa5f726c6a4840", kill_on_drop: false }`
[INFO] [stderr]    Compiling fastleng v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.57s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/fastleng-45ece0399d031348)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/fastleng-34d5dcd7971c9f78)
[INFO] running `Command { std: "docker" "inspect" "32664bd74a2290fb6a2d5fc35eef6efed88de100fe9f080e5bfa5f726c6a4840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32664bd74a2290fb6a2d5fc35eef6efed88de100fe9f080e5bfa5f726c6a4840", kill_on_drop: false }`
[INFO] [stdout] 32664bd74a2290fb6a2d5fc35eef6efed88de100fe9f080e5bfa5f726c6a4840
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 553cc8050c866abae8caf55738726218a4540bddbdf41e6f2794ae5dbc8a16b4
[INFO] running `Command { std: "docker" "start" "-a" "553cc8050c866abae8caf55738726218a4540bddbdf41e6f2794ae5dbc8a16b4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fastleng-45ece0399d031348)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test fastx_loader::tests::test_basic_fasta ... ok
[INFO] [stdout] test fastx_loader::tests::test_basic_fasta2 ... ok
[INFO] [stdout] test fastx_loader::tests::test_basic_fasta3 ... ok
[INFO] [stdout] test fastx_loader::tests::test_basic_fasta4 ... ok
[INFO] [stdout] test length_stats::tests::test_compute_median_length ... ok
[INFO] [stdout] test length_stats::tests::test_compute_total_counts ... ok
[INFO] [stdout] test fastx_loader::tests::test_multifastx ... ok
[INFO] [stdout] test length_stats::tests::test_full_all_same ... ok
[INFO] [stdout] test length_stats::tests::test_compute_n_score ... ok
[INFO] [stdout] test fastx_loader::tests::test_error_handling - should panic ... ok
[INFO] [stdout] test fastx_loader::tests::test_multifastx_error_handling - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/fastleng-34d5dcd7971c9f78)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fastleng
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] test src/fastx_loader.rs - fastx_loader::gather_fastx_stats_with_seed (line 28) ... ok
[INFO] [stdout] test src/length_stats.rs - length_stats::compute_median_length (line 38) ... ok
[INFO] [stdout] test src/length_stats.rs - length_stats::compute_length_stats (line 127) ... ok
[INFO] [stdout] test src/fastx_loader.rs - fastx_loader::gather_multifastx_stats (line 70) ... ok
[INFO] [stdout] test src/length_stats.rs - length_stats::compute_n_score (line 74) ... ok
[INFO] [stdout] test src/length_stats.rs - length_stats::compute_total_counts (line 11) ... ok
[INFO] [stdout] test src/fastx_loader.rs - fastx_loader::gather_fastx_stats (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "553cc8050c866abae8caf55738726218a4540bddbdf41e6f2794ae5dbc8a16b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "553cc8050c866abae8caf55738726218a4540bddbdf41e6f2794ae5dbc8a16b4", kill_on_drop: false }`
[INFO] [stdout] 553cc8050c866abae8caf55738726218a4540bddbdf41e6f2794ae5dbc8a16b4