[INFO] cloning repository https://github.com/paritytech/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/paritytech/cargo-contract" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fcargo-contract", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fcargo-contract'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 443d3430cfe0e7f86ce3c23e2c71eedb7c895719
[INFO] checking paritytech/cargo-contract against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fcargo-contract" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/paritytech/cargo-contract on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/paritytech/cargo-contract
[INFO] finished tweaking git repo https://github.com/paritytech/cargo-contract
[INFO] tweaked toml for git repo https://github.com/paritytech/cargo-contract written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/paritytech/cargo-contract already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded substrate-build-script-utils v3.0.0
[INFO] [stderr]   Downloaded bitvec v0.20.4
[INFO] [stderr]   Downloaded sp-version v2.0.1
[INFO] [stderr]   Downloaded parity-scale-codec-derive v1.2.3
[INFO] [stderr]   Downloaded pallet-indices v2.0.1
[INFO] [stderr]   Downloaded derive_more v0.99.14
[INFO] [stderr]   Downloaded pallet-authorship v2.0.1
[INFO] [stderr]   Downloaded sp-api-proc-macro v2.0.1
[INFO] [stderr]   Downloaded sp-session v2.0.1
[INFO] [stderr]   Downloaded frame-support-procedural-tools v2.0.1
[INFO] [stderr]   Downloaded sp-rpc v2.0.1
[INFO] [stderr]   Downloaded frame-benchmarking v2.0.1
[INFO] [stderr]   Downloaded pallet-timestamp v2.0.1
[INFO] [stderr]   Downloaded frame-metadata v12.0.1
[INFO] [stderr]   Downloaded sp-inherents v2.0.1
[INFO] [stderr]   Downloaded sp-arithmetic v2.0.1
[INFO] [stderr]   Downloaded sp-externalities v0.8.1
[INFO] [stderr]   Downloaded frame-support-procedural v2.0.1
[INFO] [stderr]   Downloaded sp-api v2.0.1
[INFO] [stderr]   Downloaded frame-support v2.0.1
[INFO] [stderr]   Downloaded parity-scale-codec v2.1.1
[INFO] [stderr]   Downloaded curve25519-dalek v3.1.0
[INFO] [stderr]   Downloaded ed25519 v1.1.1
[INFO] [stderr]   Downloaded zeroize v1.3.0
[INFO] [stderr]   Downloaded pallet-staking v2.0.1
[INFO] [stderr]   Downloaded sp-panic-handler v2.0.1
[INFO] [stderr]   Downloaded sp-io v2.0.1
[INFO] [stderr]   Downloaded sp-npos-elections-compact v2.0.1
[INFO] [stderr]   Downloaded sp-keyring v2.0.1
[INFO] [stderr]   Downloaded substrate-subxt v0.14.0
[INFO] [stderr]   Downloaded semver v1.0.0
[INFO] [stderr]   Downloaded sp-wasm-interface v2.0.1
[INFO] [stderr]   Downloaded sp-state-machine v0.8.1
[INFO] [stderr]   Downloaded sp-authorship v2.0.1
[INFO] [stderr]   Downloaded sp-npos-elections v2.0.1
[INFO] [stderr]   Downloaded sp-debug-derive v2.0.1
[INFO] [stderr]   Downloaded sp-storage v2.0.1
[INFO] [stderr]   Downloaded sp-runtime-interface v2.0.1
[INFO] [stderr]   Downloaded sp-trie v2.0.1
[INFO] [stderr]   Downloaded frame-system v2.0.1
[INFO] [stderr]   Downloaded sp-timestamp v2.0.1
[INFO] [stderr]   Downloaded frame-support-procedural-tools-derive v2.0.1
[INFO] [stderr]   Downloaded pallet-session v2.0.1
[INFO] [stderr]   Downloaded sp-std v2.0.1
[INFO] [stderr]   Downloaded sp-staking v2.0.1
[INFO] [stderr]   Downloaded sp-tracing v2.0.1
[INFO] [stderr]   Downloaded sp-core v2.0.1
[INFO] [stderr]   Downloaded sp-application-crypto v2.0.1
[INFO] [stderr]   Downloaded sp-runtime-interface-proc-macro v2.0.1
[INFO] [stderr]   Downloaded zeroize_derive v1.1.0
[INFO] [stderr]   Downloaded wabt-sys v0.8.0
[INFO] [stderr]   Downloaded sp-runtime v2.0.1
[INFO] [stderr]   Downloaded substrate-subxt-proc-macro v0.14.0
[INFO] [stderr]   Downloaded wabt v0.10.0
[INFO] [stderr]   Downloaded value-bag v1.0.0-alpha.7
[INFO] [stderr]   Downloaded async-io v1.4.1
[INFO] [stderr]   Downloaded fastrand v1.4.1
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7dfdc1b087c770c087c73f611ce9e97e977ec57570b16ca34aae359000df53b5
[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" "7dfdc1b087c770c087c73f611ce9e97e977ec57570b16ca34aae359000df53b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dfdc1b087c770c087c73f611ce9e97e977ec57570b16ca34aae359000df53b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dfdc1b087c770c087c73f611ce9e97e977ec57570b16ca34aae359000df53b5", kill_on_drop: false }`
[INFO] [stdout] 7dfdc1b087c770c087c73f611ce9e97e977ec57570b16ca34aae359000df53b5
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0654bc1a2bc25f565cecacf346bf58e7976ff48c99d78ecfd9df5af602436e2c
[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" "0654bc1a2bc25f565cecacf346bf58e7976ff48c99d78ecfd9df5af602436e2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling semver v1.0.0
[INFO] [stderr]    Compiling camino v1.0.4
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking parity-wasm v0.42.2
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]     Checking semver-parser v0.10.2
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling substrate-build-script-utils v3.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking heck v0.3.2
[INFO] [stderr]     Checking bitvec v0.20.4
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking which v4.1.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking blake2 v0.9.1
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]    Compiling wabt-sys v0.8.0
[INFO] [stderr]     Checking pwasm-utils v0.18.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[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-1.0.126/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=d038b00e666a9223 -C extra-filename=-d038b00e666a9223 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-223cc1bf4c7d615f.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-9c9c6fb7ecc8d1ce.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-cb42354ebd8387e6.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid --cfg underscore_consts` (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" "0654bc1a2bc25f565cecacf346bf58e7976ff48c99d78ecfd9df5af602436e2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0654bc1a2bc25f565cecacf346bf58e7976ff48c99d78ecfd9df5af602436e2c", kill_on_drop: false }`
[INFO] [stdout] 0654bc1a2bc25f565cecacf346bf58e7976ff48c99d78ecfd9df5af602436e2c