[INFO] cloning repository https://github.com/dskleingeld/sensor_central
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dskleingeld/sensor_central" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdskleingeld%2Fsensor_central", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdskleingeld%2Fsensor_central'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f281ac3c327faf4a9ceec22cdd4e2454e7abe827
[INFO] testing dskleingeld/sensor_central against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdskleingeld%2Fsensor_central" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dskleingeld/sensor_central on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dskleingeld/sensor_central
[INFO] finished tweaking git repo https://github.com/dskleingeld/sensor_central
[INFO] tweaked toml for git repo https://github.com/dskleingeld/sensor_central written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/dskleingeld/sensor_central already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/dskleingeld/bitspec`
[INFO] [stderr]     Updating git repository `https://github.com/dskleingeld/bluebus`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-bigint v0.3.1
[INFO] [stderr]   Downloaded i2cdev v0.4.4
[INFO] [stderr]   Downloaded nb v0.1.3
[INFO] [stderr]   Downloaded nix v0.6.0
[INFO] [stderr]   Downloaded polyval v0.4.1
[INFO] [stderr]   Downloaded fern v0.6.0
[INFO] [stderr]   Downloaded gpio-cdev v0.4.0
[INFO] [stderr]   Downloaded num v0.2.1
[INFO] [stderr]   Downloaded tokio-rustls v0.14.1
[INFO] [stderr]   Downloaded embedded-hal v0.2.4
[INFO] [stderr]   Downloaded structopt-derive v0.4.13
[INFO] [stderr]   Downloaded mio-named-pipes v0.1.7
[INFO] [stderr]   Downloaded nb v1.0.0
[INFO] [stderr]   Downloaded linux-embedded-hal v0.2.2
[INFO] [stderr]   Downloaded hyper-rustls v0.21.0
[INFO] [stderr]   Downloaded num v0.3.1
[INFO] [stderr]   Downloaded serde_yaml v0.8.14
[INFO] [stderr]   Downloaded text_io v0.1.8
[INFO] [stderr]   Downloaded spidev v0.3.0
[INFO] [stderr]   Downloaded rustls v0.18.1
[INFO] [stderr]   Downloaded bitflags v0.3.3
[INFO] [stderr]   Downloaded bitflags v0.4.0
[INFO] [stderr]   Downloaded semver v0.1.20
[INFO] [stderr]   Downloaded rustc_version v0.1.7
[INFO] [stderr]   Downloaded bme280 v0.1.2
[INFO] [stderr]   Downloaded structopt v0.3.20
[INFO] [stderr]   Downloaded sysfs_gpio v0.5.4
[INFO] [stderr]   Downloaded rustbus v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4354947c6692359f9c169c622d3e3af60a338db301d82a55be5dc38a4263e706
[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" "4354947c6692359f9c169c622d3e3af60a338db301d82a55be5dc38a4263e706", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4354947c6692359f9c169c622d3e3af60a338db301d82a55be5dc38a4263e706", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4354947c6692359f9c169c622d3e3af60a338db301d82a55be5dc38a4263e706", kill_on_drop: false }`
[INFO] [stdout] 4354947c6692359f9c169c622d3e3af60a338db301d82a55be5dc38a4263e706
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5235a30162f655a9753b672a1b2b5938e421055683aae81075ad5130c3fefcca
[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" "5235a30162f655a9753b672a1b2b5938e421055683aae81075ad5130c3fefcca", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling futures-core v0.3.7
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling futures-sink v0.3.7
[INFO] [stderr]    Compiling tinyvec v0.3.4
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling subtle v2.3.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling bitflags v0.3.3
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling futures-channel v0.3.7
[INFO] [stderr]    Compiling futures-task v0.3.7
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling embedded-hal v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.35
[INFO] [stderr]    Compiling signal-hook-registry v1.2.2
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling socket2 v0.3.15
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling tracing v0.1.21
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling fern v0.6.0
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]    Compiling bme280 v0.1.2
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling url v2.2.0
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling universal-hash v0.4.0
[INFO] [stderr]    Compiling block-cipher v0.7.1
[INFO] [stderr]    Compiling aead v0.3.2
[INFO] [stderr]    Compiling polyval v0.4.1
[INFO] [stderr] error: could not compile `nix`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name nix /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nix-0.14.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=8b1621f36163ea63 -C extra-filename=-8b1621f36163ea63 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-603a79344a96ee73.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-de9cbe0cb77e19a3.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-2dcfe5b05425173b.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-5636004af8853cbe.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5235a30162f655a9753b672a1b2b5938e421055683aae81075ad5130c3fefcca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5235a30162f655a9753b672a1b2b5938e421055683aae81075ad5130c3fefcca", kill_on_drop: false }`
[INFO] [stdout] 5235a30162f655a9753b672a1b2b5938e421055683aae81075ad5130c3fefcca