[INFO] fetching crate ara 0.1.1...
[INFO] testing ara-0.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate ara 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ara 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 ara 0.1.1
[INFO] finished tweaking crates.io crate ara 0.1.1
[INFO] tweaked toml for crates.io crate ara 0.1.1 written to /workspace/builds/worker-7/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] a635ffc019b605e71d64add296561a27ca790f3745940b737d70edf1855825e5
[INFO] running `Command { std: "docker" "start" "-a" "a635ffc019b605e71d64add296561a27ca790f3745940b737d70edf1855825e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a635ffc019b605e71d64add296561a27ca790f3745940b737d70edf1855825e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a635ffc019b605e71d64add296561a27ca790f3745940b737d70edf1855825e5", kill_on_drop: false }`
[INFO] [stdout] a635ffc019b605e71d64add296561a27ca790f3745940b737d70edf1855825e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 14bcb1f6bf3f7c2944f24f6818dba61fa8ecf334faf0bb34cb820e8d647dba55
[INFO] running `Command { std: "docker" "start" "-a" "14bcb1f6bf3f7c2944f24f6818dba61fa8ecf334faf0bb34cb820e8d647dba55", kill_on_drop: false }`
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling lru_time_cache v0.10.0
[INFO] [stderr]    Compiling tracing-core v0.1.19
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling pin-project v0.4.28
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling ara v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.33s
[INFO] running `Command { std: "docker" "inspect" "14bcb1f6bf3f7c2944f24f6818dba61fa8ecf334faf0bb34cb820e8d647dba55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14bcb1f6bf3f7c2944f24f6818dba61fa8ecf334faf0bb34cb820e8d647dba55", kill_on_drop: false }`
[INFO] [stdout] 14bcb1f6bf3f7c2944f24f6818dba61fa8ecf334faf0bb34cb820e8d647dba55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 80923ce90fbed82d5f376739d3762e68de83c4e53cbd0ffdd4563996ad9f31d5
[INFO] running `Command { std: "docker" "start" "-a" "80923ce90fbed82d5f376739d3762e68de83c4e53cbd0ffdd4563996ad9f31d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling owo-colors v1.3.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling sharded-slab v0.1.3
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling object v0.26.2
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling tracing-subscriber v0.2.20
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling tracing-error v0.1.2
[INFO] [stderr]    Compiling color-spantrace v0.1.6
[INFO] [stderr]    Compiling color-eyre v0.5.11
[INFO] [stderr]    Compiling ara v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.45s
[INFO] running `Command { std: "docker" "inspect" "80923ce90fbed82d5f376739d3762e68de83c4e53cbd0ffdd4563996ad9f31d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80923ce90fbed82d5f376739d3762e68de83c4e53cbd0ffdd4563996ad9f31d5", kill_on_drop: false }`
[INFO] [stdout] 80923ce90fbed82d5f376739d3762e68de83c4e53cbd0ffdd4563996ad9f31d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 4d286f420b3d0bbea40537b71d95a28e76c41765bb49f1fff3c16ceaddbb896a
[INFO] running `Command { std: "docker" "start" "-a" "4d286f420b3d0bbea40537b71d95a28e76c41765bb49f1fff3c16ceaddbb896a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ara-7bc5b68d142f5009)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test buf_reader_at::layout_tests::test_page_layout ... ok
[INFO] [stdout] Sep 10 18:57:59.548  INFO test_buf_reader_at_inner: ara::buf_reader_at::buf_reader_at_tests: performed 200 reads, 123 hits, 126 misses
[INFO] [stdout] test buf_reader_at::buf_reader_at_tests::test_buf_reader_at ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ara
[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] running `Command { std: "docker" "inspect" "4d286f420b3d0bbea40537b71d95a28e76c41765bb49f1fff3c16ceaddbb896a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d286f420b3d0bbea40537b71d95a28e76c41765bb49f1fff3c16ceaddbb896a", kill_on_drop: false }`
[INFO] [stdout] 4d286f420b3d0bbea40537b71d95a28e76c41765bb49f1fff3c16ceaddbb896a