[INFO] fetching crate ufut 0.3.1...
[INFO] testing ufut-0.3.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate ufut 0.3.1 into /workspace/builds/worker-105/source
[INFO] validating manifest of crates.io crate ufut 0.3.1 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 ufut 0.3.1
[INFO] finished tweaking crates.io crate ufut 0.3.1
[INFO] tweaked toml for crates.io crate ufut 0.3.1 written to /workspace/builds/worker-105/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-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] d2829863364ba7b16a5cd869d31d059a8dce7f958ce15dac6a0e0e5f445c263f
[INFO] running `Command { std: "docker" "start" "-a" "d2829863364ba7b16a5cd869d31d059a8dce7f958ce15dac6a0e0e5f445c263f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2829863364ba7b16a5cd869d31d059a8dce7f958ce15dac6a0e0e5f445c263f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2829863364ba7b16a5cd869d31d059a8dce7f958ce15dac6a0e0e5f445c263f", kill_on_drop: false }`
[INFO] [stdout] d2829863364ba7b16a5cd869d31d059a8dce7f958ce15dac6a0e0e5f445c263f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] 066af33c1fb4d0097760e7a6cdf722a269009690e2c9d82e4191ecac4983dc49
[INFO] running `Command { std: "docker" "start" "-a" "066af33c1fb4d0097760e7a6cdf722a269009690e2c9d82e4191ecac4983dc49", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-micro v0.3.1
[INFO] [stderr]    Compiling ufut v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "066af33c1fb4d0097760e7a6cdf722a269009690e2c9d82e4191ecac4983dc49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "066af33c1fb4d0097760e7a6cdf722a269009690e2c9d82e4191ecac4983dc49", kill_on_drop: false }`
[INFO] [stdout] 066af33c1fb4d0097760e7a6cdf722a269009690e2c9d82e4191ecac4983dc49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] c8b280c3f7fdecb7e2e003944704eeb9b4b9a83edba98a00fb93f6019e949e93
[INFO] running `Command { std: "docker" "start" "-a" "c8b280c3f7fdecb7e2e003944704eeb9b4b9a83edba98a00fb93f6019e949e93", kill_on_drop: false }`
[INFO] [stderr]    Compiling ufut v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "c8b280c3f7fdecb7e2e003944704eeb9b4b9a83edba98a00fb93f6019e949e93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8b280c3f7fdecb7e2e003944704eeb9b4b9a83edba98a00fb93f6019e949e93", kill_on_drop: false }`
[INFO] [stdout] c8b280c3f7fdecb7e2e003944704eeb9b4b9a83edba98a00fb93f6019e949e93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] 613412d58d38bbe056538a5267a8759ff083606576e82290c0f6e03d0a03cec9
[INFO] running `Command { std: "docker" "start" "-a" "613412d58d38bbe056538a5267a8759ff083606576e82290c0f6e03d0a03cec9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ufut-3f2d6d2ce2a2d6c6)
[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 ufut
[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" "613412d58d38bbe056538a5267a8759ff083606576e82290c0f6e03d0a03cec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "613412d58d38bbe056538a5267a8759ff083606576e82290c0f6e03d0a03cec9", kill_on_drop: false }`
[INFO] [stdout] 613412d58d38bbe056538a5267a8759ff083606576e82290c0f6e03d0a03cec9