[INFO] fetching crate futures-stable-preview 0.2.3...
[INFO] testing futures-stable-preview-0.2.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate futures-stable-preview 0.2.3 into /workspace/builds/worker-63/source
[INFO] validating manifest of crates.io crate futures-stable-preview 0.2.3 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-stable-preview 0.2.3
[INFO] finished tweaking crates.io crate futures-stable-preview 0.2.3
[INFO] tweaked toml for crates.io crate futures-stable-preview 0.2.3 written to /workspace/builds/worker-63/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18be9ecb074b3aff41d561024df935adf125221bd282d287aeb22d4ee525a6e6
[INFO] running `Command { std: "docker" "start" "-a" "18be9ecb074b3aff41d561024df935adf125221bd282d287aeb22d4ee525a6e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18be9ecb074b3aff41d561024df935adf125221bd282d287aeb22d4ee525a6e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18be9ecb074b3aff41d561024df935adf125221bd282d287aeb22d4ee525a6e6", kill_on_drop: false }`
[INFO] [stdout] 18be9ecb074b3aff41d561024df935adf125221bd282d287aeb22d4ee525a6e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae8649485395f988b3975adca091fa2761ffdd4ebcbef1b4965beef2253b959d
[INFO] running `Command { std: "docker" "start" "-a" "ae8649485395f988b3975adca091fa2761ffdd4ebcbef1b4965beef2253b959d", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling futures-core-preview v0.2.3
[INFO] [stderr]    Compiling futures-channel-preview v0.2.2
[INFO] [stderr]    Compiling futures-io-preview v0.2.2
[INFO] [stderr]    Compiling futures-sink-preview v0.2.2
[INFO] [stderr]    Compiling futures-util-preview v0.2.2
[INFO] [stderr]    Compiling futures-executor-preview v0.2.2
[INFO] [stderr]    Compiling futures-stable-preview v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.41s
[INFO] running `Command { std: "docker" "inspect" "ae8649485395f988b3975adca091fa2761ffdd4ebcbef1b4965beef2253b959d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae8649485395f988b3975adca091fa2761ffdd4ebcbef1b4965beef2253b959d", kill_on_drop: false }`
[INFO] [stdout] ae8649485395f988b3975adca091fa2761ffdd4ebcbef1b4965beef2253b959d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f42288842b5c92933038dabe201b7ccbe9aec82c762a5710d0060be95948442
[INFO] running `Command { std: "docker" "start" "-a" "5f42288842b5c92933038dabe201b7ccbe9aec82c762a5710d0060be95948442", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-stable-preview v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "5f42288842b5c92933038dabe201b7ccbe9aec82c762a5710d0060be95948442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f42288842b5c92933038dabe201b7ccbe9aec82c762a5710d0060be95948442", kill_on_drop: false }`
[INFO] [stdout] 5f42288842b5c92933038dabe201b7ccbe9aec82c762a5710d0060be95948442
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9a3f73f4f5677ede8e1c1e5fd9b498c43ea02c1c68ebd62c1624641a649629bc
[INFO] running `Command { std: "docker" "start" "-a" "9a3f73f4f5677ede8e1c1e5fd9b498c43ea02c1c68ebd62c1624641a649629bc", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/futures_stable-75baa80a4f43b804)
[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_stable
[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" "9a3f73f4f5677ede8e1c1e5fd9b498c43ea02c1c68ebd62c1624641a649629bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a3f73f4f5677ede8e1c1e5fd9b498c43ea02c1c68ebd62c1624641a649629bc", kill_on_drop: false }`
[INFO] [stdout] 9a3f73f4f5677ede8e1c1e5fd9b498c43ea02c1c68ebd62c1624641a649629bc