[INFO] cloning repository https://github.com/tetcoin-staging/cargo-contract
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tetcoin-staging/cargo-contract" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetcoin-staging%2Fcargo-contract", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetcoin-staging%2Fcargo-contract'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5f263ef1783adaf8d85f7cfae3cf498c328da2c
[INFO] checking tetcoin-staging/cargo-contract against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetcoin-staging%2Fcargo-contract" "/workspace/builds/worker-104/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-104/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tetcoin-staging/cargo-contract on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tetcoin-staging/cargo-contract
[INFO] finished tweaking git repo https://github.com/tetcoin-staging/cargo-contract
[INFO] tweaked toml for git repo https://github.com/tetcoin-staging/cargo-contract written to /workspace/builds/worker-104/source/Cargo.toml
[INFO] crate git repo https://github.com/tetcoin-staging/cargo-contract already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6273d5c93f38f2ee6fe6c5c7244d176c076e68c5d710cceccd571b3c8504da88
[INFO] running `Command { std: "docker" "start" "-a" "6273d5c93f38f2ee6fe6c5c7244d176c076e68c5d710cceccd571b3c8504da88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6273d5c93f38f2ee6fe6c5c7244d176c076e68c5d710cceccd571b3c8504da88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6273d5c93f38f2ee6fe6c5c7244d176c076e68c5d710cceccd571b3c8504da88", kill_on_drop: false }`
[INFO] [stdout] 6273d5c93f38f2ee6fe6c5c7244d176c076e68c5d710cceccd571b3c8504da88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a1a9ddd0bffd1795efd147fba7ad47632aae465609ec687898a672351e7c0c5
[INFO] running `Command { std: "docker" "start" "-a" "0a1a9ddd0bffd1795efd147fba7ad47632aae465609ec687898a672351e7c0c5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling podio v0.1.6
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]    Compiling cargo-xbuild v0.5.28
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking bitvec v0.15.2
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking assert_matches v1.3.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]    Compiling wabt-sys v0.7.0
[INFO] [stderr]     Checking heck v0.3.1
[INFO] [stderr]     Checking parity-scale-codec v1.1.2
[INFO] [stderr]     Checking rustc_version v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]    Compiling zip v0.5.4
[INFO] [stderr]     Checking pwasm-utils v0.12.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling cargo-contract v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking backtrace v0.3.44
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking which v3.1.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-error v0.4.9
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.9
[INFO] [stderr] error: could not compile `serde_derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.104/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 --cfg 'feature="default"' -C metadata=f59240360f9bcc60 -C extra-filename=-f59240360f9bcc60 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d0b3f7d47152ac0a.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-acbaf3408ff699d9.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-371f9798cafae39d.rlib --extern proc_macro --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" "0a1a9ddd0bffd1795efd147fba7ad47632aae465609ec687898a672351e7c0c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a1a9ddd0bffd1795efd147fba7ad47632aae465609ec687898a672351e7c0c5", kill_on_drop: false }`
[INFO] [stdout] 0a1a9ddd0bffd1795efd147fba7ad47632aae465609ec687898a672351e7c0c5