[INFO] fetching crate nuki 0.2.6...
[INFO] testing nuki-0.2.6 against 1.49.0 for beta-1.50-1
[INFO] extracting crate nuki 0.2.6 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate nuki 0.2.6 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 nuki 0.2.6
[INFO] finished tweaking crates.io crate nuki 0.2.6
[INFO] tweaked toml for crates.io crate nuki 0.2.6 written to /workspace/builds/worker-6/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] [stderr]     Blocking waiting for file lock on package cache
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e672abcb4f774367d9732549ec8d4de5d8bc4d29abf514271a2df166f7f312c0
[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" "e672abcb4f774367d9732549ec8d4de5d8bc4d29abf514271a2df166f7f312c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e672abcb4f774367d9732549ec8d4de5d8bc4d29abf514271a2df166f7f312c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e672abcb4f774367d9732549ec8d4de5d8bc4d29abf514271a2df166f7f312c0", kill_on_drop: false }`
[INFO] [stdout] e672abcb4f774367d9732549ec8d4de5d8bc4d29abf514271a2df166f7f312c0
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", 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] c9e3521bfc240054a3095e7e400e4c66a7df9057e375a722888c024fd090cbed
[INFO] running `Command { std: "docker" "start" "-a" "c9e3521bfc240054a3095e7e400e4c66a7df9057e375a722888c024fd090cbed", kill_on_drop: false }`
[INFO] [stderr]    Compiling nuki-sys v4.6.1
[INFO] [stderr]    Compiling nuki v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.37s
[INFO] running `Command { std: "docker" "inspect" "c9e3521bfc240054a3095e7e400e4c66a7df9057e375a722888c024fd090cbed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9e3521bfc240054a3095e7e400e4c66a7df9057e375a722888c024fd090cbed", kill_on_drop: false }`
[INFO] [stdout] c9e3521bfc240054a3095e7e400e4c66a7df9057e375a722888c024fd090cbed
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 209211b007d4e3b311aee70bb41dad42a30616bf9bef9787a61763a5db3a8b2d
[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" "209211b007d4e3b311aee70bb41dad42a30616bf9bef9787a61763a5db3a8b2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling nuki v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.82s
[INFO] running `Command { std: "docker" "inspect" "209211b007d4e3b311aee70bb41dad42a30616bf9bef9787a61763a5db3a8b2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "209211b007d4e3b311aee70bb41dad42a30616bf9bef9787a61763a5db3a8b2d", kill_on_drop: false }`
[INFO] [stdout] 209211b007d4e3b311aee70bb41dad42a30616bf9bef9787a61763a5db3a8b2d
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c44af062855b8a9fee3850709c6128340dfe11a0d78ed96392738b486c233ec9
[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" "c44af062855b8a9fee3850709c6128340dfe11a0d78ed96392738b486c233ec9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nuki-f384a9efb1325988
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test object_pool::tests::test_forward_pool ... ok
[INFO] [stdout] test property_sheet::tests::test_property_sheet ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nuki
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/object_pool.rs - object_pool::ForwardPool (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c44af062855b8a9fee3850709c6128340dfe11a0d78ed96392738b486c233ec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c44af062855b8a9fee3850709c6128340dfe11a0d78ed96392738b486c233ec9", kill_on_drop: false }`
[INFO] [stdout] c44af062855b8a9fee3850709c6128340dfe11a0d78ed96392738b486c233ec9