[INFO] fetching crate dht22_pi 0.3.0...
[INFO] testing dht22_pi-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate dht22_pi 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate dht22_pi 0.3.0 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 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-8/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 281ab4fb6cc53b23d44f6067c7b1ddbbd825912b976c4764519121879b8a2d8e
[INFO] running `Command { std: "docker" "start" "-a" "281ab4fb6cc53b23d44f6067c7b1ddbbd825912b976c4764519121879b8a2d8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "281ab4fb6cc53b23d44f6067c7b1ddbbd825912b976c4764519121879b8a2d8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "281ab4fb6cc53b23d44f6067c7b1ddbbd825912b976c4764519121879b8a2d8e", kill_on_drop: false }`
[INFO] [stdout] 281ab4fb6cc53b23d44f6067c7b1ddbbd825912b976c4764519121879b8a2d8e
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3fde86f58ed0b7a848d5eb13df2bc6c957a696adf255d094eb9c18d53005214
[INFO] running `Command { std: "docker" "start" "-a" "f3fde86f58ed0b7a848d5eb13df2bc6c957a696adf255d094eb9c18d53005214", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 3.07s
[INFO] running `Command { std: "docker" "inspect" "f3fde86f58ed0b7a848d5eb13df2bc6c957a696adf255d094eb9c18d53005214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3fde86f58ed0b7a848d5eb13df2bc6c957a696adf255d094eb9c18d53005214", kill_on_drop: false }`
[INFO] [stdout] f3fde86f58ed0b7a848d5eb13df2bc6c957a696adf255d094eb9c18d53005214
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16de8c1b5936ae5ebdf01418ed627f4ffea048cc0f5c933e955cb489a07001fa
[INFO] running `Command { std: "docker" "start" "-a" "16de8c1b5936ae5ebdf01418ed627f4ffea048cc0f5c933e955cb489a07001fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling dht22_pi v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "16de8c1b5936ae5ebdf01418ed627f4ffea048cc0f5c933e955cb489a07001fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16de8c1b5936ae5ebdf01418ed627f4ffea048cc0f5c933e955cb489a07001fa", kill_on_drop: false }`
[INFO] [stdout] 16de8c1b5936ae5ebdf01418ed627f4ffea048cc0f5c933e955cb489a07001fa
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 055906bdf301db31eb5518e1f9970796166e3f5bb9f3f5cb62a1e9bc15c6dba6
[INFO] running `Command { std: "docker" "start" "-a" "055906bdf301db31eb5518e1f9970796166e3f5bb9f3f5cb62a1e9bc15c6dba6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dht22_pi-9a49469f509dfdb3)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::checksum ... ok
[INFO] [stdout] test tests::from_spec_positive_temp ... ok
[INFO] [stdout] test tests::from_spec_negative_temp ... ok
[INFO] [stdout] test tests::sample1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "055906bdf301db31eb5518e1f9970796166e3f5bb9f3f5cb62a1e9bc15c6dba6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "055906bdf301db31eb5518e1f9970796166e3f5bb9f3f5cb62a1e9bc15c6dba6", kill_on_drop: false }`
[INFO] [stdout] 055906bdf301db31eb5518e1f9970796166e3f5bb9f3f5cb62a1e9bc15c6dba6