[INFO] fetching crate stream-engine 0.1.0...
[INFO] testing stream-engine-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate stream-engine 0.1.0 into /workspace/builds/worker-112/source
[INFO] validating manifest of crates.io crate stream-engine 0.1.0 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 stream-engine 0.1.0
[INFO] finished tweaking crates.io crate stream-engine 0.1.0
[INFO] tweaked toml for crates.io crate stream-engine 0.1.0 written to /workspace/builds/worker-112/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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] 298c192fe95315a3b2c73163d5818d838fdba72bad01b84e90e4b56bb3ea38f8
[INFO] running `Command { std: "docker" "start" "-a" "298c192fe95315a3b2c73163d5818d838fdba72bad01b84e90e4b56bb3ea38f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "298c192fe95315a3b2c73163d5818d838fdba72bad01b84e90e4b56bb3ea38f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "298c192fe95315a3b2c73163d5818d838fdba72bad01b84e90e4b56bb3ea38f8", kill_on_drop: false }`
[INFO] [stdout] 298c192fe95315a3b2c73163d5818d838fdba72bad01b84e90e4b56bb3ea38f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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] dde2e2bc407acb78deece41e912c1342e9f4a767ecdb537d4aa05777b7e950a2
[INFO] running `Command { std: "docker" "start" "-a" "dde2e2bc407acb78deece41e912c1342e9f4a767ecdb537d4aa05777b7e950a2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling stream-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "dde2e2bc407acb78deece41e912c1342e9f4a767ecdb537d4aa05777b7e950a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dde2e2bc407acb78deece41e912c1342e9f4a767ecdb537d4aa05777b7e950a2", kill_on_drop: false }`
[INFO] [stdout] dde2e2bc407acb78deece41e912c1342e9f4a767ecdb537d4aa05777b7e950a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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] f17fff3baf4277242cee69eeb12308feb748f1807a7b3049bdbbc5c858c990da
[INFO] running `Command { std: "docker" "start" "-a" "f17fff3baf4277242cee69eeb12308feb748f1807a7b3049bdbbc5c858c990da", kill_on_drop: false }`
[INFO] [stderr]    Compiling stream-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "f17fff3baf4277242cee69eeb12308feb748f1807a7b3049bdbbc5c858c990da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f17fff3baf4277242cee69eeb12308feb748f1807a7b3049bdbbc5c858c990da", kill_on_drop: false }`
[INFO] [stdout] f17fff3baf4277242cee69eeb12308feb748f1807a7b3049bdbbc5c858c990da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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] 40dd9f92a6402511071e049f43b763d01d4afdfee857c10bdc5020abdf4b7d1a
[INFO] running `Command { std: "docker" "start" "-a" "40dd9f92a6402511071e049f43b763d01d4afdfee857c10bdc5020abdf4b7d1a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stream_engine-074dacc5810e9670)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stream-engine
[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" "40dd9f92a6402511071e049f43b763d01d4afdfee857c10bdc5020abdf4b7d1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40dd9f92a6402511071e049f43b763d01d4afdfee857c10bdc5020abdf4b7d1a", kill_on_drop: false }`
[INFO] [stdout] 40dd9f92a6402511071e049f43b763d01d4afdfee857c10bdc5020abdf4b7d1a