[INFO] updating cached repository https://github.com/pepyakin/wasmtime-backtrace-segfault-repr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a7954e7019d6a769d1c5a4f5823d4970ee7e332
[INFO] testing pepyakin/wasmtime-backtrace-segfault-repr against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpepyakin%2Fwasmtime-backtrace-segfault-repr" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pepyakin/wasmtime-backtrace-segfault-repr on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pepyakin/wasmtime-backtrace-segfault-repr
[INFO] finished tweaking git repo https://github.com/pepyakin/wasmtime-backtrace-segfault-repr
[INFO] tweaked toml for git repo https://github.com/pepyakin/wasmtime-backtrace-segfault-repr written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/pepyakin/wasmtime-backtrace-segfault-repr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3cc71dc41c87f4da66f8dcc2ab1cb4bd43a2ed01c3f2792534bc944880478e0
[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" "e3cc71dc41c87f4da66f8dcc2ab1cb4bd43a2ed01c3f2792534bc944880478e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3cc71dc41c87f4da66f8dcc2ab1cb4bd43a2ed01c3f2792534bc944880478e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3cc71dc41c87f4da66f8dcc2ab1cb4bd43a2ed01c3f2792534bc944880478e0", kill_on_drop: false }`
[INFO] [stdout] e3cc71dc41c87f4da66f8dcc2ab1cb4bd43a2ed01c3f2792534bc944880478e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 644173aaca7fdcfcd6123988874b880c9fd919e3b4359184ee94a2213c68e60f
[INFO] running `Command { std: "docker" "start" "-a" "644173aaca7fdcfcd6123988874b880c9fd919e3b4359184ee94a2213c68e60f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.56.0
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling subtle v2.2.2
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling wasmparser v0.47.0
[INFO] [stderr]    Compiling parity-wasm v0.41.0
[INFO] [stderr]    Compiling bitvec v0.15.2
[INFO] [stderr]    Compiling wasmtime-environ v0.9.0 (https://github.com/bytecodealliance/wasmtime.git?rev=83ff015#83ff0150)
[INFO] [stderr]    Compiling sp-std v2.0.0 (https://github.com/paritytech/substrate.git?rev=22887d5#22887d5e)
[INFO] [stderr]    Compiling more-asserts v0.2.1
[INFO] [stderr]    Compiling memory_units v0.3.0
[INFO] [stderr]    Compiling zeroize v0.9.3
[INFO] [stderr]    Compiling tiny-keccak v2.0.1
[INFO] [stderr]    Compiling environmental v1.1.1
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]    Compiling hex v0.4.0
[INFO] [stderr]    Compiling hash-db v0.15.2
[INFO] [stderr]    Compiling base58 v0.1.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-bigint v0.2.5
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling wast v6.0.0
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling hash256-std-hasher v0.15.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling thiserror-impl v1.0.9
[INFO] [stderr]    Compiling scroll_derive v0.10.1
[INFO] [stderr]    Compiling sp-debug-derive v2.0.0 (https://github.com/paritytech/substrate.git?rev=22887d5#22887d5e)
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.1.3
[INFO] [stderr]    Compiling derive_more v0.99.2
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling hmac-drbg v0.2.0
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling gimli v0.19.0
[INFO] [stderr]    Compiling uint v0.8.2
[INFO] [stderr]    Compiling pbkdf2 v0.3.0
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling jobserver v0.1.19
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr] error: could not compile `impl-trait-for-tuples`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name impl_trait_for_tuples --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/impl-trait-for-tuples-0.1.3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -Cembed-bitcode=no -C debuginfo=2 -C metadata=d63e253197f3cfc6 -C extra-filename=-d63e253197f3cfc6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-cca29f691eaa7111.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-ff5758c045625bdf.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-6f6ab41b4beb0bfd.rlib --extern proc_macro --cap-lints allow --cap-lints=warn` (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" "644173aaca7fdcfcd6123988874b880c9fd919e3b4359184ee94a2213c68e60f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "644173aaca7fdcfcd6123988874b880c9fd919e3b4359184ee94a2213c68e60f", kill_on_drop: false }`
[INFO] [stdout] 644173aaca7fdcfcd6123988874b880c9fd919e3b4359184ee94a2213c68e60f