[INFO] fetching crate futures-io-preview 0.3.0-alpha.19...
[INFO] testing futures-io-preview-0.3.0-alpha.19 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate futures-io-preview 0.3.0-alpha.19 into /workspace/builds/worker-72/source
[INFO] validating manifest of crates.io crate futures-io-preview 0.3.0-alpha.19 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-io-preview 0.3.0-alpha.19
[INFO] finished tweaking crates.io crate futures-io-preview 0.3.0-alpha.19
[INFO] tweaked toml for crates.io crate futures-io-preview 0.3.0-alpha.19 written to /workspace/builds/worker-72/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86e4cba2ce1450538df4f4c32727bf9667cb16bf14e1e8b5f707a7bfeff52f43
[INFO] running `Command { std: "docker" "start" "-a" "86e4cba2ce1450538df4f4c32727bf9667cb16bf14e1e8b5f707a7bfeff52f43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86e4cba2ce1450538df4f4c32727bf9667cb16bf14e1e8b5f707a7bfeff52f43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86e4cba2ce1450538df4f4c32727bf9667cb16bf14e1e8b5f707a7bfeff52f43", kill_on_drop: false }`
[INFO] [stdout] 86e4cba2ce1450538df4f4c32727bf9667cb16bf14e1e8b5f707a7bfeff52f43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24c6eadc7788ebe331c7c0894b1fef3615c5133452a5e172e96088c376aed4f2
[INFO] running `Command { std: "docker" "start" "-a" "24c6eadc7788ebe331c7c0894b1fef3615c5133452a5e172e96088c376aed4f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "24c6eadc7788ebe331c7c0894b1fef3615c5133452a5e172e96088c376aed4f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24c6eadc7788ebe331c7c0894b1fef3615c5133452a5e172e96088c376aed4f2", kill_on_drop: false }`
[INFO] [stdout] 24c6eadc7788ebe331c7c0894b1fef3615c5133452a5e172e96088c376aed4f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d40fa9d40474c470680cc51a8474b4153cf759f7e2002c7cbc173a243a177d7a
[INFO] running `Command { std: "docker" "start" "-a" "d40fa9d40474c470680cc51a8474b4153cf759f7e2002c7cbc173a243a177d7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "d40fa9d40474c470680cc51a8474b4153cf759f7e2002c7cbc173a243a177d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d40fa9d40474c470680cc51a8474b4153cf759f7e2002c7cbc173a243a177d7a", kill_on_drop: false }`
[INFO] [stdout] d40fa9d40474c470680cc51a8474b4153cf759f7e2002c7cbc173a243a177d7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9df8d79c4cca8d7aa05bd6cdbf0fc0736deca2c99fa6b7019397812d60911684
[INFO] running `Command { std: "docker" "start" "-a" "9df8d79c4cca8d7aa05bd6cdbf0fc0736deca2c99fa6b7019397812d60911684", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/futures_io-06724b8884e1c270)
[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] [stderr]    Doc-tests futures_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" "9df8d79c4cca8d7aa05bd6cdbf0fc0736deca2c99fa6b7019397812d60911684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9df8d79c4cca8d7aa05bd6cdbf0fc0736deca2c99fa6b7019397812d60911684", kill_on_drop: false }`
[INFO] [stdout] 9df8d79c4cca8d7aa05bd6cdbf0fc0736deca2c99fa6b7019397812d60911684