[INFO] fetching crate synio 0.1.0...
[INFO] testing synio-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate synio 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate synio 0.1.0 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 synio 0.1.0
[INFO] finished tweaking crates.io crate synio 0.1.0
[INFO] tweaked toml for crates.io crate synio 0.1.0 written to /workspace/builds/worker-8/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] [stderr]     Blocking waiting for file lock on package cache
[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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 5b85f0789bc521c0670ea5d06f5807569b96941e33efe51ed9be51898bca1623
[INFO] running `Command { std: "docker" "start" "-a" "5b85f0789bc521c0670ea5d06f5807569b96941e33efe51ed9be51898bca1623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b85f0789bc521c0670ea5d06f5807569b96941e33efe51ed9be51898bca1623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b85f0789bc521c0670ea5d06f5807569b96941e33efe51ed9be51898bca1623", kill_on_drop: false }`
[INFO] [stdout] 5b85f0789bc521c0670ea5d06f5807569b96941e33efe51ed9be51898bca1623
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] e44df0b2d539dab9e51fd031d52f16f402e1255a18fbb0e53a1373f9fb978050
[INFO] running `Command { std: "docker" "start" "-a" "e44df0b2d539dab9e51fd031d52f16f402e1255a18fbb0e53a1373f9fb978050", kill_on_drop: false }`
[INFO] [stderr]    Compiling synio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "e44df0b2d539dab9e51fd031d52f16f402e1255a18fbb0e53a1373f9fb978050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e44df0b2d539dab9e51fd031d52f16f402e1255a18fbb0e53a1373f9fb978050", kill_on_drop: false }`
[INFO] [stdout] e44df0b2d539dab9e51fd031d52f16f402e1255a18fbb0e53a1373f9fb978050
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] eadad2cb09318afef6c47caf6c02b4d552b324ebb4d9f7878dd7cc6d079874ee
[INFO] running `Command { std: "docker" "start" "-a" "eadad2cb09318afef6c47caf6c02b4d552b324ebb4d9f7878dd7cc6d079874ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling synio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/synio-679cfa6e17d1939b)
[INFO] running `Command { std: "docker" "inspect" "eadad2cb09318afef6c47caf6c02b4d552b324ebb4d9f7878dd7cc6d079874ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eadad2cb09318afef6c47caf6c02b4d552b324ebb4d9f7878dd7cc6d079874ee", kill_on_drop: false }`
[INFO] [stdout] eadad2cb09318afef6c47caf6c02b4d552b324ebb4d9f7878dd7cc6d079874ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 14eb9b6237ac445862b5586c0951833a66904d6e2505b7c4f9fa9346f23952e7
[INFO] running `Command { std: "docker" "start" "-a" "14eb9b6237ac445862b5586c0951833a66904d6e2505b7c4f9fa9346f23952e7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.19s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/synio-679cfa6e17d1939b)
[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 synio
[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" "14eb9b6237ac445862b5586c0951833a66904d6e2505b7c4f9fa9346f23952e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14eb9b6237ac445862b5586c0951833a66904d6e2505b7c4f9fa9346f23952e7", kill_on_drop: false }`
[INFO] [stdout] 14eb9b6237ac445862b5586c0951833a66904d6e2505b7c4f9fa9346f23952e7