[INFO] fetching crate dht22_pi 0.3.0...
[INFO] testing dht22_pi-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate dht22_pi 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate dht22_pi 0.3.0 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 dht22_pi 0.3.0
[INFO] finished tweaking crates.io crate dht22_pi 0.3.0
[INFO] tweaked toml for crates.io crate dht22_pi 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate dht22_pi 0.3.0 already has a lockfile, it will not be regenerated
[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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 785d4a51d748849a5c834cc6f281b0111f996fd6b95ad149dfc04ffecda3ed20
[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" "785d4a51d748849a5c834cc6f281b0111f996fd6b95ad149dfc04ffecda3ed20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "785d4a51d748849a5c834cc6f281b0111f996fd6b95ad149dfc04ffecda3ed20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "785d4a51d748849a5c834cc6f281b0111f996fd6b95ad149dfc04ffecda3ed20", kill_on_drop: false }`
[INFO] [stdout] 785d4a51d748849a5c834cc6f281b0111f996fd6b95ad149dfc04ffecda3ed20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 202a95c3d97ab1cb4bc1e2af92a258d7971a4be99be052e75b3ddca302c7f618
[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" "202a95c3d97ab1cb4bc1e2af92a258d7971a4be99be052e75b3ddca302c7f618", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling rppal v0.11.3
[INFO] [stderr]    Compiling dht22_pi v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.93s
[INFO] running `Command { std: "docker" "inspect" "202a95c3d97ab1cb4bc1e2af92a258d7971a4be99be052e75b3ddca302c7f618", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "202a95c3d97ab1cb4bc1e2af92a258d7971a4be99be052e75b3ddca302c7f618", kill_on_drop: false }`
[INFO] [stdout] 202a95c3d97ab1cb4bc1e2af92a258d7971a4be99be052e75b3ddca302c7f618
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 7eb95fc8afe96aecf477cc2a98d1a51a027acbcce2f5355877be94f5cbee5768
[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" "7eb95fc8afe96aecf477cc2a98d1a51a027acbcce2f5355877be94f5cbee5768", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling dht22_pi v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "7eb95fc8afe96aecf477cc2a98d1a51a027acbcce2f5355877be94f5cbee5768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eb95fc8afe96aecf477cc2a98d1a51a027acbcce2f5355877be94f5cbee5768", kill_on_drop: false }`
[INFO] [stdout] 7eb95fc8afe96aecf477cc2a98d1a51a027acbcce2f5355877be94f5cbee5768
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 5c26b1f28399458f333603fabf0572e8ab49db0b5ddbf023361a49d1a5b38bc3
[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" "5c26b1f28399458f333603fabf0572e8ab49db0b5ddbf023361a49d1a5b38bc3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dht22_pi-181a55c94a97bbae
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::from_spec_negative_temp ... ok
[INFO] [stdout] test tests::from_spec_positive_temp ... ok
[INFO] [stdout] test tests::sample1 ... ok
[INFO] [stdout] test tests::checksum ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dht22_pi
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5c26b1f28399458f333603fabf0572e8ab49db0b5ddbf023361a49d1a5b38bc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c26b1f28399458f333603fabf0572e8ab49db0b5ddbf023361a49d1a5b38bc3", kill_on_drop: false }`
[INFO] [stdout] 5c26b1f28399458f333603fabf0572e8ab49db0b5ddbf023361a49d1a5b38bc3