[INFO] cloning repository https://github.com/awendland/rpi-ds18b20-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/awendland/rpi-ds18b20-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fawendland%2Frpi-ds18b20-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fawendland%2Frpi-ds18b20-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 200c98e028299d6fc6ec41b8a80145697d3b342b
[INFO] testing awendland/rpi-ds18b20-rust against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fawendland%2Frpi-ds18b20-rust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/awendland/rpi-ds18b20-rust 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 git repo https://github.com/awendland/rpi-ds18b20-rust
[INFO] finished tweaking git repo https://github.com/awendland/rpi-ds18b20-rust
[INFO] tweaked toml for git repo https://github.com/awendland/rpi-ds18b20-rust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/awendland/rpi-ds18b20-rust 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] 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" "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] 4b4ed8db2ec848f373f7262484ebd339a28549949e69074ab83cd43c7d5b7db2
[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" "4b4ed8db2ec848f373f7262484ebd339a28549949e69074ab83cd43c7d5b7db2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b4ed8db2ec848f373f7262484ebd339a28549949e69074ab83cd43c7d5b7db2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b4ed8db2ec848f373f7262484ebd339a28549949e69074ab83cd43c7d5b7db2", kill_on_drop: false }`
[INFO] [stdout] 4b4ed8db2ec848f373f7262484ebd339a28549949e69074ab83cd43c7d5b7db2
[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" "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] 32fb29ea8cc39a4d064767f0be0d8a8cca793288863fc22d69b3c465023e26d7
[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" "32fb29ea8cc39a4d064767f0be0d8a8cca793288863fc22d69b3c465023e26d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling rpi-ds18b20-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new_for_id`
[INFO] [stdout]   --> src/ds18b20.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn new_for_id(id: String) -> DS18B20 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "32fb29ea8cc39a4d064767f0be0d8a8cca793288863fc22d69b3c465023e26d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32fb29ea8cc39a4d064767f0be0d8a8cca793288863fc22d69b3c465023e26d7", kill_on_drop: false }`
[INFO] [stdout] 32fb29ea8cc39a4d064767f0be0d8a8cca793288863fc22d69b3c465023e26d7
[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" "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] c6686eaec990c89ce66ac4bcf325d06b834fbb140de99adc86144efdf254deb0
[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" "c6686eaec990c89ce66ac4bcf325d06b834fbb140de99adc86144efdf254deb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling rpi-ds18b20-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new_for_id`
[INFO] [stdout]   --> src/ds18b20.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn new_for_id(id: String) -> DS18B20 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "c6686eaec990c89ce66ac4bcf325d06b834fbb140de99adc86144efdf254deb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6686eaec990c89ce66ac4bcf325d06b834fbb140de99adc86144efdf254deb0", kill_on_drop: false }`
[INFO] [stdout] c6686eaec990c89ce66ac4bcf325d06b834fbb140de99adc86144efdf254deb0
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2be8191c18f2c30a1a55188888a1caaa91258bcbaa90fcc2326872f5b203ad49
[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" "2be8191c18f2c30a1a55188888a1caaa91258bcbaa90fcc2326872f5b203ad49", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: associated function is never used: `new_for_id`
[INFO] [stdout] running 1 test
[INFO] [stderr]   --> src/ds18b20.rs:42:12
[INFO] [stdout] test ds18b20::tests::test_parse_temp ... ok
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 42 |     pub fn new_for_id(id: String) -> DS18B20 {
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rpi_ds18b20_rust-fa97b00702ddb795
[INFO] running `Command { std: "docker" "inspect" "2be8191c18f2c30a1a55188888a1caaa91258bcbaa90fcc2326872f5b203ad49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2be8191c18f2c30a1a55188888a1caaa91258bcbaa90fcc2326872f5b203ad49", kill_on_drop: false }`
[INFO] [stdout] 2be8191c18f2c30a1a55188888a1caaa91258bcbaa90fcc2326872f5b203ad49