[INFO] cloning repository https://github.com/izelnakri/mber-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/izelnakri/mber-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fizelnakri%2Fmber-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fizelnakri%2Fmber-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 82e62e1227205c3cabee4e0dbdd7431aace7f2d8
[INFO] checking izelnakri/mber-rust against master#31ee872db5aae4750e3da1ca4ed1523c4356947f for pr-78461
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fizelnakri%2Fmber-rust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/izelnakri/mber-rust on toolchain 31ee872db5aae4750e3da1ca4ed1523c4356947f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/izelnakri/mber-rust
[INFO] finished tweaking git repo https://github.com/izelnakri/mber-rust
[INFO] tweaked toml for git repo https://github.com/izelnakri/mber-rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/izelnakri/mber-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a9dbeae941fc3183df65508033cd4935ae769c08646c2ba39bcccbff8445585
[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" "9a9dbeae941fc3183df65508033cd4935ae769c08646c2ba39bcccbff8445585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a9dbeae941fc3183df65508033cd4935ae769c08646c2ba39bcccbff8445585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a9dbeae941fc3183df65508033cd4935ae769c08646c2ba39bcccbff8445585", kill_on_drop: false }`
[INFO] [stdout] 9a9dbeae941fc3183df65508033cd4935ae769c08646c2ba39bcccbff8445585
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] edb80c1ee8d63315497ecba6a551f3700308fb7dd8e7f6d40e3e272b976b2f40
[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" "edb80c1ee8d63315497ecba6a551f3700308fb7dd8e7f6d40e3e272b976b2f40", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling sass-sys v0.4.14
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.19
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr] error: could not compile `rand`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name rand /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.6.5/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 --cfg 'feature="alloc"' --cfg 'feature="default"' --cfg 'feature="rand_os"' --cfg 'feature="std"' -C metadata=85e87b6568885103 -C extra-filename=-85e87b6568885103 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern libc=/opt/rustwide/target/debug/deps/liblibc-f4bdd5f213b183c4.rmeta --extern rand_chacha=/opt/rustwide/target/debug/deps/librand_chacha-aad34ed752f7e4bb.rmeta --extern rand_core=/opt/rustwide/target/debug/deps/librand_core-7777f623c08783e5.rmeta --extern rand_hc=/opt/rustwide/target/debug/deps/librand_hc-e06466b7f80f8ad5.rmeta --extern rand_isaac=/opt/rustwide/target/debug/deps/librand_isaac-d7c73f36431ab21e.rmeta --extern rand_jitter=/opt/rustwide/target/debug/deps/librand_jitter-c0aa4284fb906dad.rmeta --extern rand_os=/opt/rustwide/target/debug/deps/librand_os-822c77693c4af3e2.rmeta --extern rand_pcg=/opt/rustwide/target/debug/deps/librand_pcg-d6533207884e81ec.rmeta --extern rand_xorshift=/opt/rustwide/target/debug/deps/librand_xorshift-6bd4620e708cdb51.rmeta --cap-lints allow --cap-lints=forbid --cfg rustc_1_25 --cfg rustc_1_26 --cfg rustc_1_27` (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" "edb80c1ee8d63315497ecba6a551f3700308fb7dd8e7f6d40e3e272b976b2f40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edb80c1ee8d63315497ecba6a551f3700308fb7dd8e7f6d40e3e272b976b2f40", kill_on_drop: false }`
[INFO] [stdout] edb80c1ee8d63315497ecba6a551f3700308fb7dd8e7f6d40e3e272b976b2f40