[INFO] cloning repository https://github.com/ng8eke/martinez
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ng8eke/martinez" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fng8eke%2Fmartinez", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fng8eke%2Fmartinez'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 256e7ca6d7410c9e5d5803474a4e6673a2789283
[INFO] testing ng8eke/martinez against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fng8eke%2Fmartinez" "/workspace/builds/worker-75/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-75/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ng8eke/martinez on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-75/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/ng8eke/martinez
[INFO] finished tweaking git repo https://github.com/ng8eke/martinez
[INFO] tweaked toml for git repo https://github.com/ng8eke/martinez written to /workspace/builds/worker-75/source/Cargo.toml
[INFO] crate git repo https://github.com/ng8eke/martinez already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/vorot93/ethnum-rs`
[INFO] [stderr]     Updating git repository `https://github.com/vorot93/bytes-literal`
[INFO] [stderr]     Updating git repository `https://github.com/vorot93/croaring-rs`
[INFO] [stderr]     Updating git submodule `https://github.com/lemire/CRoaringUnityBuild`
[INFO] [stderr]     Updating git repository `https://github.com/rust-ethereum/ethash`
[INFO] [stderr]     Updating git repository `https://github.com/ledgerwatch/interfaces`
[INFO] [stderr]     Updating git repository `https://github.com/vorot93/rust-i256`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/jsonrpsee`
[INFO] [stderr]     Updating git repository `https://github.com/carllerche/string`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vergen v6.0.2
[INFO] [stderr]   Downloaded sha3 v0.10.0
[INFO] [stderr]   Downloaded parity-scale-codec v3.0.0
[INFO] [stderr]   Downloaded lru v0.7.2
[INFO] [stderr]   Downloaded getset v0.1.2
[INFO] [stderr]   Downloaded libmdbx v0.1.1
[INFO] [stderr]   Downloaded ripemd v0.1.0
[INFO] [stderr]   Downloaded async-recursion v1.0.0
[INFO] [stderr]   Downloaded mdbx-sys v0.11.4-git.20210105
[INFO] [stderr]   Downloaded sysinfo v0.23.0
[INFO] [stderr]   Downloaded ethbloom v0.12.0
[INFO] [stderr]   Downloaded ethereum-forkid v0.7.0
[INFO] [stderr]   Downloaded ethereum-types v0.13.0
[INFO] [stderr]   Downloaded primitive-types v0.11.0
[INFO] [stderr]   Downloaded gen-iter v0.2.1
[INFO] [stderr]   Downloaded windows-sys v0.29.0
[INFO] [stderr]   Downloaded modular-bitfield-impl v0.11.2
[INFO] [stderr]   Downloaded modular-bitfield v0.11.2
[INFO] [stderr]   Downloaded substrate-bn v0.6.0
[INFO] [stderr]   Downloaded parity-scale-codec-derive v3.0.0
[INFO] [stderr]   Downloaded secp256k1 v0.21.2
[INFO] [stderr]   Downloaded parking_lot_core v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e5344a9295ddef90f406044cd3a9e2028310dde507dcd5d69039cfcec44e912
[INFO] running `Command { std: "docker" "start" "-a" "5e5344a9295ddef90f406044cd3a9e2028310dde507dcd5d69039cfcec44e912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e5344a9295ddef90f406044cd3a9e2028310dde507dcd5d69039cfcec44e912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e5344a9295ddef90f406044cd3a9e2028310dde507dcd5d69039cfcec44e912", kill_on_drop: false }`
[INFO] [stdout] 5e5344a9295ddef90f406044cd3a9e2028310dde507dcd5d69039cfcec44e912
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13e71cbe46e3f45f12a57d1bd3c836dd92e989086f419b548703a8f259dba878
[INFO] running `Command { std: "docker" "start" "-a" "13e71cbe46e3f45f12a57d1bd3c836dd92e989086f419b548703a8f259dba878", 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]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling futures-sink v0.3.19
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling futures-io v0.3.19
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling byte-slice-cast v1.2.0
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling bindgen v0.59.2
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.0
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling fixedbitset v0.4.1
[INFO] [stderr]    Compiling cache-padded v1.2.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling semver v1.0.5
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling event-listener v2.5.2
[INFO] [stderr]    Compiling sysinfo v0.23.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling tower-layer v0.3.1
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling hash-db v0.15.2
[INFO] [stderr]    Compiling utf8-width v0.1.5
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling bytesize v1.1.0
[INFO] [stderr]    Compiling gen-iter v0.2.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling lock_api v0.4.6
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr] error: could not compile `serde_json`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.78/build.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="alloc"' --cfg 'feature="default"' --cfg 'feature="raw_value"' --cfg 'feature="std"' -C metadata=9604e871bae30590 -C extra-filename=-9604e871bae30590 --out-dir /opt/rustwide/target/debug/build/serde_json-9604e871bae30590 -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gen-iter-0.2.1/src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | #![feature(generators, generator_trait)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "13e71cbe46e3f45f12a57d1bd3c836dd92e989086f419b548703a8f259dba878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13e71cbe46e3f45f12a57d1bd3c836dd92e989086f419b548703a8f259dba878", kill_on_drop: false }`
[INFO] [stdout] 13e71cbe46e3f45f12a57d1bd3c836dd92e989086f419b548703a8f259dba878