[INFO] fetching crate completion-io 0.2.0...
[INFO] testing completion-io-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate completion-io 0.2.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate completion-io 0.2.0 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 completion-io 0.2.0
[INFO] finished tweaking crates.io crate completion-io 0.2.0
[INFO] tweaked toml for crates.io crate completion-io 0.2.0 written to /workspace/builds/worker-14/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]  Downloading crates ...
[INFO] [stderr]   Downloaded completion-core v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] ba75618de6aec6764b61cdb978ace3f58a8187154bde6214bef41aaaafaeefa6
[INFO] running `Command { std: "docker" "start" "-a" "ba75618de6aec6764b61cdb978ace3f58a8187154bde6214bef41aaaafaeefa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba75618de6aec6764b61cdb978ace3f58a8187154bde6214bef41aaaafaeefa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba75618de6aec6764b61cdb978ace3f58a8187154bde6214bef41aaaafaeefa6", kill_on_drop: false }`
[INFO] [stdout] ba75618de6aec6764b61cdb978ace3f58a8187154bde6214bef41aaaafaeefa6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 896273b260d6ca35daff1516054e2f1acfbec62ac1787d1bf1968d28c7d95c29
[INFO] running `Command { std: "docker" "start" "-a" "896273b260d6ca35daff1516054e2f1acfbec62ac1787d1bf1968d28c7d95c29", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling completion-core v0.2.0
[INFO] [stderr]    Compiling completion-io v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `Command { std: "docker" "inspect" "896273b260d6ca35daff1516054e2f1acfbec62ac1787d1bf1968d28c7d95c29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "896273b260d6ca35daff1516054e2f1acfbec62ac1787d1bf1968d28c7d95c29", kill_on_drop: false }`
[INFO] [stdout] 896273b260d6ca35daff1516054e2f1acfbec62ac1787d1bf1968d28c7d95c29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 736d5a7b0d9a2c634a3085d67e91045551b3467a4efe62a027bc8af4b3252631
[INFO] running `Command { std: "docker" "start" "-a" "736d5a7b0d9a2c634a3085d67e91045551b3467a4efe62a027bc8af4b3252631", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling fastrand v1.5.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling completion-io v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.42s
[INFO] running `Command { std: "docker" "inspect" "736d5a7b0d9a2c634a3085d67e91045551b3467a4efe62a027bc8af4b3252631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "736d5a7b0d9a2c634a3085d67e91045551b3467a4efe62a027bc8af4b3252631", kill_on_drop: false }`
[INFO] [stdout] 736d5a7b0d9a2c634a3085d67e91045551b3467a4efe62a027bc8af4b3252631
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 1d843e4d2c77d1854668d91404b34d57b8fe736e94c3dd6f7e35084c0c72b222
[INFO] running `Command { std: "docker" "start" "-a" "1d843e4d2c77d1854668d91404b34d57b8fe736e94c3dd6f7e35084c0c72b222", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/completion_io-a0175957fd6adf7e)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]    Doc-tests completion-io
[INFO] [stdout] test read::test_read_repeat ... ok
[INFO] [stdout] test read::test_read_cursor ... ok
[INFO] [stdout] test read::test_read_slice ... 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] [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" "1d843e4d2c77d1854668d91404b34d57b8fe736e94c3dd6f7e35084c0c72b222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d843e4d2c77d1854668d91404b34d57b8fe736e94c3dd6f7e35084c0c72b222", kill_on_drop: false }`
[INFO] [stdout] 1d843e4d2c77d1854668d91404b34d57b8fe736e94c3dd6f7e35084c0c72b222