[INFO] fetching crate twobit 0.1.1...
[INFO] testing twobit-0.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate twobit 0.1.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate twobit 0.1.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate twobit 0.1.1
[INFO] finished tweaking crates.io crate twobit 0.1.1
[INFO] tweaked toml for crates.io crate twobit 0.1.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e056569dac6506f78464fd8fb0237cfdffa60d8149506c615173db8fc51470f
[INFO] running `Command { std: "docker" "start" "-a" "9e056569dac6506f78464fd8fb0237cfdffa60d8149506c615173db8fc51470f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e056569dac6506f78464fd8fb0237cfdffa60d8149506c615173db8fc51470f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e056569dac6506f78464fd8fb0237cfdffa60d8149506c615173db8fc51470f", kill_on_drop: false }`
[INFO] [stdout] 9e056569dac6506f78464fd8fb0237cfdffa60d8149506c615173db8fc51470f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3b26d08b822db0963257c58dd6587817a7a7bdb1b13568a4cb36dcbb8ce8ede
[INFO] running `Command { std: "docker" "start" "-a" "d3b26d08b822db0963257c58dd6587817a7a7bdb1b13568a4cb36dcbb8ce8ede", kill_on_drop: false }`
[INFO] [stderr]    Compiling twobit v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "d3b26d08b822db0963257c58dd6587817a7a7bdb1b13568a4cb36dcbb8ce8ede", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3b26d08b822db0963257c58dd6587817a7a7bdb1b13568a4cb36dcbb8ce8ede", kill_on_drop: false }`
[INFO] [stdout] d3b26d08b822db0963257c58dd6587817a7a7bdb1b13568a4cb36dcbb8ce8ede
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7aad34e7a8833608b0ffcee75a730311e659f2830d3711680e6fbea2a6bb0ba
[INFO] running `Command { std: "docker" "start" "-a" "f7aad34e7a8833608b0ffcee75a730311e659f2830d3711680e6fbea2a6bb0ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling twobit v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "f7aad34e7a8833608b0ffcee75a730311e659f2830d3711680e6fbea2a6bb0ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7aad34e7a8833608b0ffcee75a730311e659f2830d3711680e6fbea2a6bb0ba", kill_on_drop: false }`
[INFO] [stdout] f7aad34e7a8833608b0ffcee75a730311e659f2830d3711680e6fbea2a6bb0ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a49ee4a2ff2c89ac8a69a33d5d961c881542afccab32cf8fd7937daa2fc68fdb
[INFO] running `Command { std: "docker" "start" "-a" "a49ee4a2ff2c89ac8a69a33d5d961c881542afccab32cf8fd7937daa2fc68fdb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/twobit-2d8b759c46119d0c)
[INFO] [stdout] running 10 tests
[INFO] [stdout] test block::tests::test_overlap ... ok
[INFO] [stdout] test tests::test_full_sequence ... ok
[INFO] [stdout] test tests::test_hard_masked_blocks ... ok
[INFO] [stderr]    Doc-tests twobit
[INFO] [stdout] test value_reader::tests::test_slice_to_field ... ok
[INFO] [stdout] test tests::test_info ... ok
[INFO] [stdout] test tests::test_soft_masked_blocks ... ok
[INFO] [stdout] test tests::test_bases ... ok
[INFO] [stdout] test tests::test_full_bases ... ok
[INFO] [stdout] test tests::test_chroms ... ok
[INFO] [stdout] test tests::test_sequence ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - TwoBitFile (line 42) ... ok
[INFO] [stdout] test src/lib.rs - TwoBitFile (line 56) ... ok
[INFO] [stdout] test src/lib.rs - TwoBitFile (line 66) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a49ee4a2ff2c89ac8a69a33d5d961c881542afccab32cf8fd7937daa2fc68fdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a49ee4a2ff2c89ac8a69a33d5d961c881542afccab32cf8fd7937daa2fc68fdb", kill_on_drop: false }`
[INFO] [stdout] a49ee4a2ff2c89ac8a69a33d5d961c881542afccab32cf8fd7937daa2fc68fdb