[INFO] fetching crate futures-io 0.3.31...
[INFO] testing futures-io-0.3.31 against 1.90.0 for beta-1.91-3
[INFO] extracting crate futures-io 0.3.31 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate futures-io 0.3.31
[INFO] finished tweaking crates.io crate futures-io 0.3.31
[INFO] tweaked toml for crates.io crate futures-io 0.3.31 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate futures-io 0.3.31 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 253ddf9c8806fc00c21322e19f9f587010c9968244ba6aede562963b7a976942
[INFO] running `Command { std: "docker" "start" "-a" "253ddf9c8806fc00c21322e19f9f587010c9968244ba6aede562963b7a976942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "253ddf9c8806fc00c21322e19f9f587010c9968244ba6aede562963b7a976942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "253ddf9c8806fc00c21322e19f9f587010c9968244ba6aede562963b7a976942", kill_on_drop: false }`
[INFO] [stdout] 253ddf9c8806fc00c21322e19f9f587010c9968244ba6aede562963b7a976942
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 756091775b0887c16c8f9fdb18e73136208e3c681dc0a1f30fc89e2b2fa62b66
[INFO] running `Command { std: "docker" "start" "-a" "756091775b0887c16c8f9fdb18e73136208e3c681dc0a1f30fc89e2b2fa62b66", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-io v0.3.31 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "756091775b0887c16c8f9fdb18e73136208e3c681dc0a1f30fc89e2b2fa62b66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "756091775b0887c16c8f9fdb18e73136208e3c681dc0a1f30fc89e2b2fa62b66", kill_on_drop: false }`
[INFO] [stdout] 756091775b0887c16c8f9fdb18e73136208e3c681dc0a1f30fc89e2b2fa62b66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 959e8abf77ec1db06687c8b114c656943408652f8c25230b00808f0645a26328
[INFO] running `Command { std: "docker" "start" "-a" "959e8abf77ec1db06687c8b114c656943408652f8c25230b00808f0645a26328", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-io v0.3.31 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "959e8abf77ec1db06687c8b114c656943408652f8c25230b00808f0645a26328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "959e8abf77ec1db06687c8b114c656943408652f8c25230b00808f0645a26328", kill_on_drop: false }`
[INFO] [stdout] 959e8abf77ec1db06687c8b114c656943408652f8c25230b00808f0645a26328
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 52192ac0c1eddc34292c0237eb9bff13e7c0bcc2d71e21e11e67c6654ba1061c
[INFO] running `Command { std: "docker" "start" "-a" "52192ac0c1eddc34292c0237eb9bff13e7c0bcc2d71e21e11e67c6654ba1061c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/futures_io-9f38ef7d1494d877)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests futures_io
[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] [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" "52192ac0c1eddc34292c0237eb9bff13e7c0bcc2d71e21e11e67c6654ba1061c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52192ac0c1eddc34292c0237eb9bff13e7c0bcc2d71e21e11e67c6654ba1061c", kill_on_drop: false }`
[INFO] [stdout] 52192ac0c1eddc34292c0237eb9bff13e7c0bcc2d71e21e11e67c6654ba1061c