[INFO] fetching crate ufut 0.3.1...
[INFO] testing ufut-0.3.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate ufut 0.3.1 into /workspace/builds/worker-108/source
[INFO] validating manifest of crates.io crate ufut 0.3.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-108/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-micro v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fac63fc55571cc475e0930e6285550493f96d93e07303953d5ef0c3dd0b500a7
[INFO] running `Command { std: "docker" "start" "-a" "fac63fc55571cc475e0930e6285550493f96d93e07303953d5ef0c3dd0b500a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fac63fc55571cc475e0930e6285550493f96d93e07303953d5ef0c3dd0b500a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fac63fc55571cc475e0930e6285550493f96d93e07303953d5ef0c3dd0b500a7", kill_on_drop: false }`
[INFO] [stdout] fac63fc55571cc475e0930e6285550493f96d93e07303953d5ef0c3dd0b500a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a64d2041cd0806d0421f96135edbd67874dddf6a0fbf5e816eba4079dbaf284
[INFO] running `Command { std: "docker" "start" "-a" "6a64d2041cd0806d0421f96135edbd67874dddf6a0fbf5e816eba4079dbaf284", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 1.27s
[INFO] running `Command { std: "docker" "inspect" "6a64d2041cd0806d0421f96135edbd67874dddf6a0fbf5e816eba4079dbaf284", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a64d2041cd0806d0421f96135edbd67874dddf6a0fbf5e816eba4079dbaf284", kill_on_drop: false }`
[INFO] [stdout] 6a64d2041cd0806d0421f96135edbd67874dddf6a0fbf5e816eba4079dbaf284
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e692112cd8837abea003c0ed25bfe125530569b45b8a0b0719be659081c7285
[INFO] running `Command { std: "docker" "start" "-a" "6e692112cd8837abea003c0ed25bfe125530569b45b8a0b0719be659081c7285", kill_on_drop: false }`
[INFO] [stderr]    Compiling ufut v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "6e692112cd8837abea003c0ed25bfe125530569b45b8a0b0719be659081c7285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e692112cd8837abea003c0ed25bfe125530569b45b8a0b0719be659081c7285", kill_on_drop: false }`
[INFO] [stdout] 6e692112cd8837abea003c0ed25bfe125530569b45b8a0b0719be659081c7285
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4275f97021d234981540504a2d95c95e6814ae4bcdf9ecbcafc04f0f5b2b9871
[INFO] running `Command { std: "docker" "start" "-a" "4275f97021d234981540504a2d95c95e6814ae4bcdf9ecbcafc04f0f5b2b9871", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ufut-11d9b022ae75e88a)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ufut
[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] [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" "4275f97021d234981540504a2d95c95e6814ae4bcdf9ecbcafc04f0f5b2b9871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4275f97021d234981540504a2d95c95e6814ae4bcdf9ecbcafc04f0f5b2b9871", kill_on_drop: false }`
[INFO] [stdout] 4275f97021d234981540504a2d95c95e6814ae4bcdf9ecbcafc04f0f5b2b9871