[INFO] fetching crate tokio-prepend-io 0.1.0...
[INFO] testing tokio-prepend-io-0.1.0 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate tokio-prepend-io 0.1.0 into /workspace/builds/worker-1-tc1/source
[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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tokio-prepend-io 0.1.0 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae4d60e76ac8199bf423221f698202cdf7eb96f9c22c93b632e505f436bf5271
[INFO] running `Command { std: "docker" "start" "-a" "ae4d60e76ac8199bf423221f698202cdf7eb96f9c22c93b632e505f436bf5271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae4d60e76ac8199bf423221f698202cdf7eb96f9c22c93b632e505f436bf5271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae4d60e76ac8199bf423221f698202cdf7eb96f9c22c93b632e505f436bf5271", kill_on_drop: false }`
[INFO] [stdout] ae4d60e76ac8199bf423221f698202cdf7eb96f9c22c93b632e505f436bf5271
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4888bcf6dcd29f198a6de7e041ab66302615a1ea3d2a399ad5f5f2fb7f9609dc
[INFO] running `Command { std: "docker" "start" "-a" "4888bcf6dcd29f198a6de7e041ab66302615a1ea3d2a399ad5f5f2fb7f9609dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling tokio v1.52.3
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling tokio-prepend-io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.42s
[INFO] running `Command { std: "docker" "inspect" "4888bcf6dcd29f198a6de7e041ab66302615a1ea3d2a399ad5f5f2fb7f9609dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4888bcf6dcd29f198a6de7e041ab66302615a1ea3d2a399ad5f5f2fb7f9609dc", kill_on_drop: false }`
[INFO] [stdout] 4888bcf6dcd29f198a6de7e041ab66302615a1ea3d2a399ad5f5f2fb7f9609dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad38ed4385a31471bc69e82ec6ab51f088098972f14d47bee53f188801cc15a5
[INFO] running `Command { std: "docker" "start" "-a" "ad38ed4385a31471bc69e82ec6ab51f088098972f14d47bee53f188801cc15a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-stream v0.1.18
[INFO] [stderr]    Compiling tokio-test v0.4.5
[INFO] [stderr]    Compiling tokio-prepend-io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "ad38ed4385a31471bc69e82ec6ab51f088098972f14d47bee53f188801cc15a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad38ed4385a31471bc69e82ec6ab51f088098972f14d47bee53f188801cc15a5", kill_on_drop: false }`
[INFO] [stdout] ad38ed4385a31471bc69e82ec6ab51f088098972f14d47bee53f188801cc15a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e5d1a824c86fcd79512fd16a51b983bb66da3e46ff3c74d45d507f3890958593
[INFO] running `Command { std: "docker" "start" "-a" "e5d1a824c86fcd79512fd16a51b983bb66da3e46ff3c74d45d507f3890958593", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tokio_prepend_io-e17edf4d46f24c78)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::writer ... ok
[INFO] [stdout] test test::reader ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tokio_prepend_io
[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" "e5d1a824c86fcd79512fd16a51b983bb66da3e46ff3c74d45d507f3890958593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5d1a824c86fcd79512fd16a51b983bb66da3e46ff3c74d45d507f3890958593", kill_on_drop: false }`
[INFO] [stdout] e5d1a824c86fcd79512fd16a51b983bb66da3e46ff3c74d45d507f3890958593
