[INFO] fetching crate arrsync 0.2.0...
[INFO] testing arrsync-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate arrsync 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate arrsync 0.2.0 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 arrsync 0.2.0
[INFO] finished tweaking crates.io crate arrsync 0.2.0
[INFO] tweaked toml for crates.io crate arrsync 0.2.0 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] df380cb29ca97a263ac00578187974b962e82a30f412650ad4113cdce5f19b88
[INFO] running `Command { std: "docker" "start" "-a" "df380cb29ca97a263ac00578187974b962e82a30f412650ad4113cdce5f19b88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df380cb29ca97a263ac00578187974b962e82a30f412650ad4113cdce5f19b88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df380cb29ca97a263ac00578187974b962e82a30f412650ad4113cdce5f19b88", kill_on_drop: false }`
[INFO] [stdout] df380cb29ca97a263ac00578187974b962e82a30f412650ad4113cdce5f19b88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 5395903a7930286b3b4ac4cfb732b9028c8c6adc37778fdabb47eb711f031ce3
[INFO] running `Command { std: "docker" "start" "-a" "5395903a7930286b3b4ac4cfb732b9028c8c6adc37778fdabb47eb711f031ce3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling itertools v0.4.19
[INFO] [stderr]    Compiling unix_mode v0.1.2
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling hexdump v0.1.1
[INFO] [stderr]    Compiling tokio-util v0.6.8
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling async-stream v0.3.2
[INFO] [stderr]    Compiling arrsync v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.52s
[INFO] running `Command { std: "docker" "inspect" "5395903a7930286b3b4ac4cfb732b9028c8c6adc37778fdabb47eb711f031ce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5395903a7930286b3b4ac4cfb732b9028c8c6adc37778fdabb47eb711f031ce3", kill_on_drop: false }`
[INFO] [stdout] 5395903a7930286b3b4ac4cfb732b9028c8c6adc37778fdabb47eb711f031ce3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 1c463853d8e5fde3550f04ba7176102bc26afc93498e24775798f5beb6e2ca5a
[INFO] running `Command { std: "docker" "start" "-a" "1c463853d8e5fde3550f04ba7176102bc26afc93498e24775798f5beb6e2ca5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling tokio-util v0.6.8
[INFO] [stderr]    Compiling arrsync v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.93s
[INFO] running `Command { std: "docker" "inspect" "1c463853d8e5fde3550f04ba7176102bc26afc93498e24775798f5beb6e2ca5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c463853d8e5fde3550f04ba7176102bc26afc93498e24775798f5beb6e2ca5a", kill_on_drop: false }`
[INFO] [stdout] 1c463853d8e5fde3550f04ba7176102bc26afc93498e24775798f5beb6e2ca5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 09937c5d788ee72016294a1b0f3dbe125eeb9679528fb2e8435513c9b8294610
[INFO] running `Command { std: "docker" "start" "-a" "09937c5d788ee72016294a1b0f3dbe125eeb9679528fb2e8435513c9b8294610", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/arrsync-b1e57b3e938b05fc)
[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 arrsync
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 5) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "09937c5d788ee72016294a1b0f3dbe125eeb9679528fb2e8435513c9b8294610", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09937c5d788ee72016294a1b0f3dbe125eeb9679528fb2e8435513c9b8294610", kill_on_drop: false }`
[INFO] [stdout] 09937c5d788ee72016294a1b0f3dbe125eeb9679528fb2e8435513c9b8294610