[INFO] fetching crate tokio-prepend-io 0.1.0...
[INFO] testing tokio-prepend-io-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate tokio-prepend-io 0.1.0 into /workspace/builds/worker-91/source
[INFO] validating manifest of crates.io crate tokio-prepend-io 0.1.0 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 tokio-prepend-io 0.1.0
[INFO] finished tweaking crates.io crate tokio-prepend-io 0.1.0
[INFO] tweaked toml for crates.io crate tokio-prepend-io 0.1.0 written to /workspace/builds/worker-91/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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] 461d99fe3e6a44ddcf98cfce3b43837cf6a25c19a4d9c87fb2a7cad85d6c3525
[INFO] running `Command { std: "docker" "start" "-a" "461d99fe3e6a44ddcf98cfce3b43837cf6a25c19a4d9c87fb2a7cad85d6c3525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "461d99fe3e6a44ddcf98cfce3b43837cf6a25c19a4d9c87fb2a7cad85d6c3525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "461d99fe3e6a44ddcf98cfce3b43837cf6a25c19a4d9c87fb2a7cad85d6c3525", kill_on_drop: false }`
[INFO] [stdout] 461d99fe3e6a44ddcf98cfce3b43837cf6a25c19a4d9c87fb2a7cad85d6c3525
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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] 88fa0765855a1568c558d8aaa49950c198ef6c15d6e7f24180da23c3e6fbe3cb
[INFO] running `Command { std: "docker" "start" "-a" "88fa0765855a1568c558d8aaa49950c198ef6c15d6e7f24180da23c3e6fbe3cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling tokio-prepend-io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.85s
[INFO] running `Command { std: "docker" "inspect" "88fa0765855a1568c558d8aaa49950c198ef6c15d6e7f24180da23c3e6fbe3cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88fa0765855a1568c558d8aaa49950c198ef6c15d6e7f24180da23c3e6fbe3cb", kill_on_drop: false }`
[INFO] [stdout] 88fa0765855a1568c558d8aaa49950c198ef6c15d6e7f24180da23c3e6fbe3cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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] 12086b7e45a78eed5450d7e653a0fe3af5321ffe6c0cd786840420bc46fc6a97
[INFO] running `Command { std: "docker" "start" "-a" "12086b7e45a78eed5450d7e653a0fe3af5321ffe6c0cd786840420bc46fc6a97", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling tokio-stream v0.1.8
[INFO] [stderr]    Compiling async-stream v0.3.2
[INFO] [stderr]    Compiling tokio-test v0.4.2
[INFO] [stderr]    Compiling tokio-prepend-io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.12s
[INFO] running `Command { std: "docker" "inspect" "12086b7e45a78eed5450d7e653a0fe3af5321ffe6c0cd786840420bc46fc6a97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12086b7e45a78eed5450d7e653a0fe3af5321ffe6c0cd786840420bc46fc6a97", kill_on_drop: false }`
[INFO] [stdout] 12086b7e45a78eed5450d7e653a0fe3af5321ffe6c0cd786840420bc46fc6a97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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] 7e71c4996cc3b6f27d9d3743a6da776d70a0d05b8f11feed59135cbaf42d5c59
[INFO] running `Command { std: "docker" "start" "-a" "7e71c4996cc3b6f27d9d3743a6da776d70a0d05b8f11feed59135cbaf42d5c59", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tokio_prepend_io-4259ab3917ca27e8)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::reader ... ok
[INFO] [stderr]    Doc-tests tokio-prepend-io
[INFO] [stdout] test test::writer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "7e71c4996cc3b6f27d9d3743a6da776d70a0d05b8f11feed59135cbaf42d5c59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e71c4996cc3b6f27d9d3743a6da776d70a0d05b8f11feed59135cbaf42d5c59", kill_on_drop: false }`
[INFO] [stdout] 7e71c4996cc3b6f27d9d3743a6da776d70a0d05b8f11feed59135cbaf42d5c59