[INFO] fetching crate destream 0.5.0...
[INFO] testing destream-0.5.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate destream 0.5.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate destream 0.5.0 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 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-21/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] d06d29f733d9d13d827534bec87d1823cd6e834e5676c47dff37a3d84f6e0e6b
[INFO] running `Command { std: "docker" "start" "-a" "d06d29f733d9d13d827534bec87d1823cd6e834e5676c47dff37a3d84f6e0e6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d06d29f733d9d13d827534bec87d1823cd6e834e5676c47dff37a3d84f6e0e6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d06d29f733d9d13d827534bec87d1823cd6e834e5676c47dff37a3d84f6e0e6b", kill_on_drop: false }`
[INFO] [stdout] d06d29f733d9d13d827534bec87d1823cd6e834e5676c47dff37a3d84f6e0e6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] d094939ad165ad77cefc6b3d71c8f382d80f43e3d6036b9ea5ba1c0e3e3e7c35
[INFO] running `Command { std: "docker" "start" "-a" "d094939ad165ad77cefc6b3d71c8f382d80f43e3d6036b9ea5ba1c0e3e3e7c35", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling futures-macro 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 22.79s
[INFO] running `Command { std: "docker" "inspect" "d094939ad165ad77cefc6b3d71c8f382d80f43e3d6036b9ea5ba1c0e3e3e7c35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d094939ad165ad77cefc6b3d71c8f382d80f43e3d6036b9ea5ba1c0e3e3e7c35", kill_on_drop: false }`
[INFO] [stdout] d094939ad165ad77cefc6b3d71c8f382d80f43e3d6036b9ea5ba1c0e3e3e7c35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] a3837e070e76be15437ebc27c99496581d0dbd35d88c26b108987e9ee8ec7fa2
[INFO] running `Command { std: "docker" "start" "-a" "a3837e070e76be15437ebc27c99496581d0dbd35d88c26b108987e9ee8ec7fa2", kill_on_drop: false }`
[INFO] [stderr]    Compiling destream v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.32s
[INFO] running `Command { std: "docker" "inspect" "a3837e070e76be15437ebc27c99496581d0dbd35d88c26b108987e9ee8ec7fa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3837e070e76be15437ebc27c99496581d0dbd35d88c26b108987e9ee8ec7fa2", kill_on_drop: false }`
[INFO] [stdout] a3837e070e76be15437ebc27c99496581d0dbd35d88c26b108987e9ee8ec7fa2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] e8e4beb7ff4a9ed51078c0d9a33778668cf2fe5b6f1d82f6a0e89ea78b9cf6cd
[INFO] running `Command { std: "docker" "start" "-a" "e8e4beb7ff4a9ed51078c0d9a33778668cf2fe5b6f1d82f6a0e89ea78b9cf6cd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/destream-7c155cbb478b3505)
[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" "e8e4beb7ff4a9ed51078c0d9a33778668cf2fe5b6f1d82f6a0e89ea78b9cf6cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8e4beb7ff4a9ed51078c0d9a33778668cf2fe5b6f1d82f6a0e89ea78b9cf6cd", kill_on_drop: false }`
[INFO] [stdout] e8e4beb7ff4a9ed51078c0d9a33778668cf2fe5b6f1d82f6a0e89ea78b9cf6cd