[INFO] fetching crate scd4x 0.2.1...
[INFO] testing scd4x-0.2.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate scd4x 0.2.1 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate scd4x 0.2.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scd4x 0.2.1
[INFO] finished tweaking crates.io crate scd4x 0.2.1
[INFO] tweaked toml for crates.io crate scd4x 0.2.1 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate crates.io crate scd4x 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf4105178c834ca0b401e8258d8c793a547f75491252256599c81d35ad985199
[INFO] running `Command { std: "docker" "start" "-a" "bf4105178c834ca0b401e8258d8c793a547f75491252256599c81d35ad985199", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf4105178c834ca0b401e8258d8c793a547f75491252256599c81d35ad985199", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf4105178c834ca0b401e8258d8c793a547f75491252256599c81d35ad985199", kill_on_drop: false }`
[INFO] [stdout] bf4105178c834ca0b401e8258d8c793a547f75491252256599c81d35ad985199
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2112b1a8d2a88ef05ba95d67f97447c240760933faf5bcfbbc574339bcab8c80
[INFO] running `Command { std: "docker" "start" "-a" "2112b1a8d2a88ef05ba95d67f97447c240760933faf5bcfbbc574339bcab8c80", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.6
[INFO] [stderr]    Compiling sensirion-i2c v0.1.1
[INFO] [stderr]    Compiling scd4x v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "2112b1a8d2a88ef05ba95d67f97447c240760933faf5bcfbbc574339bcab8c80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2112b1a8d2a88ef05ba95d67f97447c240760933faf5bcfbbc574339bcab8c80", kill_on_drop: false }`
[INFO] [stdout] 2112b1a8d2a88ef05ba95d67f97447c240760933faf5bcfbbc574339bcab8c80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63800dce40dd205cd99aa4d1d9f769ef292786cf2957ecc6abba336a0a48670d
[INFO] running `Command { std: "docker" "start" "-a" "63800dce40dd205cd99aa4d1d9f769ef292786cf2957ecc6abba336a0a48670d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling embedded-hal-mock v0.8.0
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling ioctl-rs v0.1.6
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling serial-core v0.4.0
[INFO] [stderr]    Compiling serial-unix v0.4.0
[INFO] [stderr]    Compiling spidev v0.5.1
[INFO] [stderr]    Compiling sysfs_gpio v0.6.1
[INFO] [stderr]    Compiling gpio-cdev v0.5.1
[INFO] [stderr]    Compiling i2cdev v0.5.1
[INFO] [stderr]    Compiling linux-embedded-hal v0.3.2
[INFO] [stderr]    Compiling scd4x v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.53s
[INFO] running `Command { std: "docker" "inspect" "63800dce40dd205cd99aa4d1d9f769ef292786cf2957ecc6abba336a0a48670d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63800dce40dd205cd99aa4d1d9f769ef292786cf2957ecc6abba336a0a48670d", kill_on_drop: false }`
[INFO] [stdout] 63800dce40dd205cd99aa4d1d9f769ef292786cf2957ecc6abba336a0a48670d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fceb951ff8d7c7397b04c94000593422d00f43725c8a073c50355e9ceabc8e45
[INFO] running `Command { std: "docker" "start" "-a" "fceb951ff8d7c7397b04c94000593422d00f43725c8a073c50355e9ceabc8e45", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/scd4x-454f2025f7ca0894)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests scd4x
[INFO] [stdout] running 2 tests
[INFO] [stdout] test scd4x::tests::test_get_serial_number ... ok
[INFO] [stdout] test scd4x::tests::test_measurement ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "fceb951ff8d7c7397b04c94000593422d00f43725c8a073c50355e9ceabc8e45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fceb951ff8d7c7397b04c94000593422d00f43725c8a073c50355e9ceabc8e45", kill_on_drop: false }`
[INFO] [stdout] fceb951ff8d7c7397b04c94000593422d00f43725c8a073c50355e9ceabc8e45