[INFO] fetching crate nbdkit 0.2.0...
[INFO] testing nbdkit-0.2.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate nbdkit 0.2.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate nbdkit 0.2.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nbdkit 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate nbdkit 0.2.0
[INFO] tweaked toml for crates.io crate nbdkit 0.2.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate nbdkit 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mockall v0.8.2
[INFO] [stderr]   Downloaded float-cmp v0.6.0
[INFO] [stderr]   Downloaded mockall_derive v0.8.2
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e19a40eae7fe20fe3007854be50f05e04894ba8474798ce91d0ebd4e937e4d2
[INFO] running `Command { std: "docker" "start" "-a" "3e19a40eae7fe20fe3007854be50f05e04894ba8474798ce91d0ebd4e937e4d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e19a40eae7fe20fe3007854be50f05e04894ba8474798ce91d0ebd4e937e4d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e19a40eae7fe20fe3007854be50f05e04894ba8474798ce91d0ebd4e937e4d2", kill_on_drop: false }`
[INFO] [stdout] 3e19a40eae7fe20fe3007854be50f05e04894ba8474798ce91d0ebd4e937e4d2
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77daaecce7e02c9866b3d6a0ea17e6f058fc387c3d4e5a10b63c113893caa61b
[INFO] running `Command { std: "docker" "start" "-a" "77daaecce7e02c9866b3d6a0ea17e6f058fc387c3d4e5a10b63c113893caa61b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling nbdkit v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "77daaecce7e02c9866b3d6a0ea17e6f058fc387c3d4e5a10b63c113893caa61b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77daaecce7e02c9866b3d6a0ea17e6f058fc387c3d4e5a10b63c113893caa61b", kill_on_drop: false }`
[INFO] [stdout] 77daaecce7e02c9866b3d6a0ea17e6f058fc387c3d4e5a10b63c113893caa61b
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f631f6002bcd967375c08d5da48a54c237328a5283f293d2fd9e6f1ae0700af
[INFO] running `Command { std: "docker" "start" "-a" "3f631f6002bcd967375c08d5da48a54c237328a5283f293d2fd9e6f1ae0700af", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling predicates-core v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling fragile v1.0.0
[INFO] [stderr]    Compiling downcast v0.10.0
[INFO] [stderr]    Compiling errno v0.2.5
[INFO] [stderr]    Compiling float-cmp v0.6.0
[INFO] [stderr]    Compiling predicates-tree v1.0.0
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling predicates v1.0.4
[INFO] [stderr]    Compiling mockall_derive v0.8.2
[INFO] [stderr]    Compiling mockall v0.8.2
[INFO] [stderr]    Compiling nbdkit v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 20.10s
[INFO] running `Command { std: "docker" "inspect" "3f631f6002bcd967375c08d5da48a54c237328a5283f293d2fd9e6f1ae0700af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f631f6002bcd967375c08d5da48a54c237328a5283f293d2fd9e6f1ae0700af", kill_on_drop: false }`
[INFO] [stdout] 3f631f6002bcd967375c08d5da48a54c237328a5283f293d2fd9e6f1ae0700af
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c5f1719978106d42b35a2bfd73fb2f419d915f6f6724b6b99d3571ebdc20a7cb
[INFO] running `Command { std: "docker" "start" "-a" "c5f1719978106d42b35a2bfd73fb2f419d915f6f6724b6b99d3571ebdc20a7cb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nbdkit-59d23b74154a2395)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/bare_bones.rs (/opt/rustwide/target/debug/deps/bare_bones-55c3c7c4296535d1)
[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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test pread::eio ... ok
[INFO] [stdout] test pread::ok ... ok
[INFO] [stdout] test open_close ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/full_featured.rs (/opt/rustwide/target/debug/deps/full_featured-b199c8d3c5621601)
[INFO] [stdout] 
[INFO] [stdout] running 51 tests
[INFO] [stdout] test can_fast_zero::eio ... ok
[INFO] [stdout] test can_flush::ok ... ok
[INFO] [stdout] test can_extents::ok ... ok
[INFO] [stdout] test can_trim::eio ... ok
[INFO] [stdout] test cache::eio ... ok
[INFO] [stdout] test can_multi_conn::eio ... ok
[INFO] [stdout] test can_zero::eio ... ok
[INFO] [stdout] test can_fast_zero::ok ... ok
[INFO] [stdout] test can_flush::eio ... ok
[INFO] [stdout] test can_extents::eio ... ok
[INFO] [stdout] test description ... ok
[INFO] [stdout] test can_fua::ok ... ok
[INFO] [stdout] test can_multi_conn::ok ... ok
[INFO] [stdout] test can_fua::eio ... ok
[INFO] [stdout] test config_help ... ok
[INFO] [stdout] test longname ... ok
[INFO] [stdout] test magic_config_key ... ok
[INFO] [stdout] test can_cache::eio ... ok
[INFO] [stdout] test is_rotational::eio ... ok
[INFO] [stdout] test can_cache::ok ... ok
[INFO] [stdout] test name ... ok
[INFO] [stdout] test can_write::eio ... ok
[INFO] [stdout] test can_write::ok ... ok
[INFO] [stdout] test cache::ok ... ok
[INFO] [stdout] test thread_model::eio ... ok
[INFO] [stdout] test config::einval ... ok
[INFO] [stdout] test config::ok ... ok
[INFO] [stdout] test config_complete::einval ... ok
[INFO] [stdout] test extents::extent_error ... ok
[INFO] [stdout] test dump_plugin::ok ... ok
[INFO] [stdout] test get_ready::einval ... ok
[INFO] [stdout] test flush::ok ... ok
[INFO] [stdout] test get_ready::ok ... ok
[INFO] [stdout] test extents::req_one ... ok
[INFO] [stdout] test preconnect::einval ... ok
[INFO] [stdout] test flush::eio ... ok
[INFO] [stdout] test config_complete::ok ... ok
[INFO] [stdout] test is_rotational::ok ... ok
[INFO] [stdout] test can_trim::ok ... ok
[INFO] [stdout] test preconnect::ok ... ok
[INFO] [stdout] test pwrite::ok ... ok
[INFO] [stdout] test pwrite::eio ... ok
[INFO] [stdout] test extents::eopnotsupp ... ok
[INFO] [stdout] test load::ok ... ok
[INFO] [stdout] test thread_model::ok ... ok
[INFO] [stdout] test can_zero::ok ... ok
[INFO] [stdout] test trim::eio ... ok
[INFO] [stdout] test unload::ok ... ok
[INFO] [stdout] test zero::eio ... ok
[INFO] [stdout] test zero::ok ... ok
[INFO] [stdout] test trim::ok ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 51 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nbdkit
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 38) - compile ... ok
[INFO] [stdout] test src/lib.rs - Error::new (line 99) ... ok
[INFO] [stdout] test src/lib.rs - plugin (line 1192) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c5f1719978106d42b35a2bfd73fb2f419d915f6f6724b6b99d3571ebdc20a7cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5f1719978106d42b35a2bfd73fb2f419d915f6f6724b6b99d3571ebdc20a7cb", kill_on_drop: false }`
[INFO] [stdout] c5f1719978106d42b35a2bfd73fb2f419d915f6f6724b6b99d3571ebdc20a7cb