[INFO] fetching crate destream 0.5.0...
[INFO] testing destream-0.5.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate destream 0.5.0 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate destream 0.5.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate destream 0.5.0
[INFO] finished tweaking crates.io crate destream 0.5.0
[INFO] tweaked toml for crates.io crate destream 0.5.0 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4a94b04902e7d7bb014ecaa2dd64c0ad97a5089c54d8f510b9336a8479029c7
[INFO] running `Command { std: "docker" "start" "-a" "f4a94b04902e7d7bb014ecaa2dd64c0ad97a5089c54d8f510b9336a8479029c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4a94b04902e7d7bb014ecaa2dd64c0ad97a5089c54d8f510b9336a8479029c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4a94b04902e7d7bb014ecaa2dd64c0ad97a5089c54d8f510b9336a8479029c7", kill_on_drop: false }`
[INFO] [stdout] f4a94b04902e7d7bb014ecaa2dd64c0ad97a5089c54d8f510b9336a8479029c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b3fd0b821b985e9a28644f90fb32844d78b33c82d1e0dd184705025d2ae6562
[INFO] running `Command { std: "docker" "start" "-a" "4b3fd0b821b985e9a28644f90fb32844d78b33c82d1e0dd184705025d2ae6562", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling destream v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.68s
[INFO] running `Command { std: "docker" "inspect" "4b3fd0b821b985e9a28644f90fb32844d78b33c82d1e0dd184705025d2ae6562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b3fd0b821b985e9a28644f90fb32844d78b33c82d1e0dd184705025d2ae6562", kill_on_drop: false }`
[INFO] [stdout] 4b3fd0b821b985e9a28644f90fb32844d78b33c82d1e0dd184705025d2ae6562
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8fe68095627548b92e21603ed13895425163bba9baccf40dad6093f975920f7
[INFO] running `Command { std: "docker" "start" "-a" "d8fe68095627548b92e21603ed13895425163bba9baccf40dad6093f975920f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling destream v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.15s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/destream-ccb2663137346a73)
[INFO] running `Command { std: "docker" "inspect" "d8fe68095627548b92e21603ed13895425163bba9baccf40dad6093f975920f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8fe68095627548b92e21603ed13895425163bba9baccf40dad6093f975920f7", kill_on_drop: false }`
[INFO] [stdout] d8fe68095627548b92e21603ed13895425163bba9baccf40dad6093f975920f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3101a5d998099154293870bf1da65496e056da8391e6bfc92b5e59eb28e3e34f
[INFO] running `Command { std: "docker" "start" "-a" "3101a5d998099154293870bf1da65496e056da8391e6bfc92b5e59eb28e3e34f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/destream-ccb2663137346a73)
[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 destream
[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" "3101a5d998099154293870bf1da65496e056da8391e6bfc92b5e59eb28e3e34f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3101a5d998099154293870bf1da65496e056da8391e6bfc92b5e59eb28e3e34f", kill_on_drop: false }`
[INFO] [stdout] 3101a5d998099154293870bf1da65496e056da8391e6bfc92b5e59eb28e3e34f