[INFO] fetching crate substrate-differ 0.13.0...
[INFO] checking substrate-differ-0.13.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate substrate-differ 0.13.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate substrate-differ 0.13.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate substrate-differ 0.13.0
[INFO] finished tweaking crates.io crate substrate-differ 0.13.0
[INFO] tweaked toml for crates.io crate substrate-differ 0.13.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c255c75ab2f615264285f46a3d05c813b837b9fc5dc908ce0d49864ff9698834
[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" "c255c75ab2f615264285f46a3d05c813b837b9fc5dc908ce0d49864ff9698834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c255c75ab2f615264285f46a3d05c813b837b9fc5dc908ce0d49864ff9698834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c255c75ab2f615264285f46a3d05c813b837b9fc5dc908ce0d49864ff9698834", kill_on_drop: false }`
[INFO] [stdout] c255c75ab2f615264285f46a3d05c813b837b9fc5dc908ce0d49864ff9698834
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77e3e7a91251948d317d03af8f8e71efd7d5e9365a428866aa164f5972deecd6
[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" "77e3e7a91251948d317d03af8f8e71efd7d5e9365a428866aa164f5972deecd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling zstd-safe v3.0.1+zstd.1.4.9
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]     Checking base-x v0.2.8
[INFO] [stderr]     Checking unsigned-varint v0.7.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]     Checking wasmi-validation v0.3.0
[INFO] [stderr]     Checking blake2s_simd v0.5.11
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]     Checking uint v0.9.1
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking num-format v0.4.0
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling zstd-sys v1.4.20+zstd.1.4.9
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking pbkdf2 v0.4.0
[INFO] [stderr]     Checking blake2 v0.9.2
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]     Checking indexmap v1.7.0
[INFO] [stderr]     Checking trie-db v0.22.6
[INFO] [stderr]     Checking sp-panic-handler v3.0.0
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking ct-logs v0.8.0
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling syn-mid v0.5.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking rustls-native-certs v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.1
[INFO] [stderr]    Compiling zeroize_derive v1.2.0
[INFO] [stderr]    Compiling sp-debug-derive v3.0.0
[INFO] [stderr]    Compiling ref-cast-impl v1.0.6
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling parity-util-mem-derive v0.1.0
[INFO] [stderr]    Compiling dyn-clonable-impl v0.9.0
[INFO] [stderr]    Compiling sp-runtime-interface-proc-macro v3.0.0
[INFO] [stderr]    Compiling tokio-macros v1.5.0
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[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-0.2.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 -C metadata=7232569d85c29552 -C extra-filename=-7232569d85c29552 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-7d40590f05355215.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-cf688a433373a877.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-252f992a9cd337bf.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" "77e3e7a91251948d317d03af8f8e71efd7d5e9365a428866aa164f5972deecd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77e3e7a91251948d317d03af8f8e71efd7d5e9365a428866aa164f5972deecd6", kill_on_drop: false }`
[INFO] [stdout] 77e3e7a91251948d317d03af8f8e71efd7d5e9365a428866aa164f5972deecd6
