[INFO] fetching crate sync_wrapper 0.1.0...
[INFO] testing sync_wrapper-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate sync_wrapper 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate sync_wrapper 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sync_wrapper 0.1.0
[INFO] finished tweaking crates.io crate sync_wrapper 0.1.0
[INFO] tweaked toml for crates.io crate sync_wrapper 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 60b8802e40fef87fe83dfa427887b3de2c377ccbb986824d63b411a940fbf412
[INFO] running `Command { std: "docker" "start" "-a" "60b8802e40fef87fe83dfa427887b3de2c377ccbb986824d63b411a940fbf412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60b8802e40fef87fe83dfa427887b3de2c377ccbb986824d63b411a940fbf412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60b8802e40fef87fe83dfa427887b3de2c377ccbb986824d63b411a940fbf412", kill_on_drop: false }`
[INFO] [stdout] 60b8802e40fef87fe83dfa427887b3de2c377ccbb986824d63b411a940fbf412
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 337608018ded4c8be5037371bf0d98b355088066d0277276ec54b82257f363fa
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "337608018ded4c8be5037371bf0d98b355088066d0277276ec54b82257f363fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling sync_wrapper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "337608018ded4c8be5037371bf0d98b355088066d0277276ec54b82257f363fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "337608018ded4c8be5037371bf0d98b355088066d0277276ec54b82257f363fa", kill_on_drop: false }`
[INFO] [stdout] 337608018ded4c8be5037371bf0d98b355088066d0277276ec54b82257f363fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0dbcc9c96e7396f11d4abf248b663fcb8c4bef3d69cad15a43f3b744cf54562
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b0dbcc9c96e7396f11d4abf248b663fcb8c4bef3d69cad15a43f3b744cf54562", kill_on_drop: false }`
[INFO] [stderr]    Compiling sync_wrapper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "b0dbcc9c96e7396f11d4abf248b663fcb8c4bef3d69cad15a43f3b744cf54562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0dbcc9c96e7396f11d4abf248b663fcb8c4bef3d69cad15a43f3b744cf54562", kill_on_drop: false }`
[INFO] [stdout] b0dbcc9c96e7396f11d4abf248b663fcb8c4bef3d69cad15a43f3b744cf54562
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e6e4a0f011e005c7b1b5d5721efb8923ddde0d2a52b4cc99fbaf9005d9542e93
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e6e4a0f011e005c7b1b5d5721efb8923ddde0d2a52b4cc99fbaf9005d9542e93", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sync_wrapper-4340079a1357c960
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sync_wrapper
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - SyncWrapper<T>::new (line 68) ... ok
[INFO] [stdout] test src/lib.rs - SyncWrapper (line 39) ... ok
[INFO] [stdout] test src/lib.rs - SyncWrapper<T>::into_inner (line 113) ... ok
[INFO] [stdout] test src/lib.rs - SyncWrapper<T>::get_mut (line 89) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e6e4a0f011e005c7b1b5d5721efb8923ddde0d2a52b4cc99fbaf9005d9542e93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6e4a0f011e005c7b1b5d5721efb8923ddde0d2a52b4cc99fbaf9005d9542e93", kill_on_drop: false }`
[INFO] [stdout] e6e4a0f011e005c7b1b5d5721efb8923ddde0d2a52b4cc99fbaf9005d9542e93