[INFO] fetching crate tinkerforge 2.0.19...
[INFO] testing tinkerforge-2.0.19 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate tinkerforge 2.0.19 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate tinkerforge 2.0.19 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tinkerforge 2.0.19
[INFO] finished tweaking crates.io crate tinkerforge 2.0.19
[INFO] tweaked toml for crates.io crate tinkerforge 2.0.19 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate tinkerforge 2.0.19 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c4ec5e9e93d44a5eff9c0e33562dab943d65a696039fc18f29d9140beef188e
[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" "5c4ec5e9e93d44a5eff9c0e33562dab943d65a696039fc18f29d9140beef188e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c4ec5e9e93d44a5eff9c0e33562dab943d65a696039fc18f29d9140beef188e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c4ec5e9e93d44a5eff9c0e33562dab943d65a696039fc18f29d9140beef188e", kill_on_drop: false }`
[INFO] [stdout] 5c4ec5e9e93d44a5eff9c0e33562dab943d65a696039fc18f29d9140beef188e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00e7f89c93747a5a8cf8c5780f5ab8198009c47bb4f5b1f829792bd868ffac45
[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" "00e7f89c93747a5a8cf8c5780f5ab8198009c47bb4f5b1f829792bd868ffac45", kill_on_drop: false }`
[INFO] [stderr]    Compiling cpufeatures v0.1.5
[INFO] [stderr]    Compiling crypto-mac v0.11.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling sha-1 v0.9.7
[INFO] [stderr]    Compiling hmac v0.11.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tinkerforge v2.0.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.19s
[INFO] running `Command { std: "docker" "inspect" "00e7f89c93747a5a8cf8c5780f5ab8198009c47bb4f5b1f829792bd868ffac45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00e7f89c93747a5a8cf8c5780f5ab8198009c47bb4f5b1f829792bd868ffac45", kill_on_drop: false }`
[INFO] [stdout] 00e7f89c93747a5a8cf8c5780f5ab8198009c47bb4f5b1f829792bd868ffac45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e4022d18fc8ad3cb33e44f6f403f5ec1cb98dad0b850a4e91f9098fbb494e04
[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" "8e4022d18fc8ad3cb33e44f6f403f5ec1cb98dad0b850a4e91f9098fbb494e04", kill_on_drop: false }`
[INFO] [stderr]    Compiling tinkerforge v2.0.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.84s
[INFO] running `Command { std: "docker" "inspect" "8e4022d18fc8ad3cb33e44f6f403f5ec1cb98dad0b850a4e91f9098fbb494e04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e4022d18fc8ad3cb33e44f6f403f5ec1cb98dad0b850a4e91f9098fbb494e04", kill_on_drop: false }`
[INFO] [stdout] 8e4022d18fc8ad3cb33e44f6f403f5ec1cb98dad0b850a4e91f9098fbb494e04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e1ccb3aac9ce43219e244bb23537c09ede80fa347080a8a84e0b294d5e603024
[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" "e1ccb3aac9ce43219e244bb23537c09ede80fa347080a8a84e0b294d5e603024", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tinkerforge-505d22d51872367b)
[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] [stderr]    Doc-tests tinkerforge
[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" "e1ccb3aac9ce43219e244bb23537c09ede80fa347080a8a84e0b294d5e603024", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1ccb3aac9ce43219e244bb23537c09ede80fa347080a8a84e0b294d5e603024", kill_on_drop: false }`
[INFO] [stdout] e1ccb3aac9ce43219e244bb23537c09ede80fa347080a8a84e0b294d5e603024