[INFO] cloning repository https://github.com/sbnair/PolkaDossier_NFT
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sbnair/PolkaDossier_NFT" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbnair%2FPolkaDossier_NFT", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbnair%2FPolkaDossier_NFT'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f673bff1e0531a06ec4aa39f93bf01b47cb00752
[INFO] checking sbnair/PolkaDossier_NFT against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbnair%2FPolkaDossier_NFT" "/workspace/builds/worker-95/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-95/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sbnair/PolkaDossier_NFT on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sbnair/PolkaDossier_NFT
[INFO] finished tweaking git repo https://github.com/sbnair/PolkaDossier_NFT
[INFO] tweaked toml for git repo https://github.com/sbnair/PolkaDossier_NFT written to /workspace/builds/worker-95/source/Cargo.toml
[INFO] crate git repo https://github.com/sbnair/PolkaDossier_NFT already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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 vec-arena v0.5.2
[INFO] [stderr]   Downloaded async-executor v0.1.2
[INFO] [stderr]   Downloaded unsigned-varint v0.5.0
[INFO] [stderr]   Downloaded async-std v1.6.3
[INFO] [stderr]   Downloaded async-channel v1.4.1
[INFO] [stderr]   Downloaded structopt-derive v0.4.10
[INFO] [stderr]   Downloaded wast v23.0.0
[INFO] [stderr]   Downloaded structopt v0.3.17
[INFO] [stderr]   Downloaded fastrand v1.3.4
[INFO] [stderr]   Downloaded blocking v0.5.2
[INFO] [stderr]   Downloaded futures-lite v0.1.11
[INFO] [stderr]   Downloaded polling v0.1.6
[INFO] [stderr]   Downloaded libz-sys v1.1.1
[INFO] [stderr]   Downloaded async-io v0.1.11
[INFO] [stderr]   Downloaded ed25519-dalek v1.0.0
[INFO] [stderr]   Downloaded pallet-commodities v1.0.0
[INFO] [stderr]   Downloaded parity-scale-codec-derive v1.2.2
[INFO] [stderr]   Downloaded rayon-core v1.8.0
[INFO] [stderr]   Downloaded parity-scale-codec v1.3.5
[INFO] [stderr]   Downloaded multitask v0.2.0
[INFO] [stderr]   Downloaded wat v1.0.24
[INFO] [stderr]   Downloaded async-mutex v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d5b4b1039e99395bd0586c377ae7fd182927994b8c48c81be7708cb1632b324
[INFO] running `Command { std: "docker" "start" "-a" "6d5b4b1039e99395bd0586c377ae7fd182927994b8c48c81be7708cb1632b324", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d5b4b1039e99395bd0586c377ae7fd182927994b8c48c81be7708cb1632b324", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d5b4b1039e99395bd0586c377ae7fd182927994b8c48c81be7708cb1632b324", kill_on_drop: false }`
[INFO] [stdout] 6d5b4b1039e99395bd0586c377ae7fd182927994b8c48c81be7708cb1632b324
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 665365106fcb99dbefa49dd0c6039f8ceaa83c8cfcca7758fbecb77f0bdd38a2
[INFO] running `Command { std: "docker" "start" "-a" "665365106fcb99dbefa49dd0c6039f8ceaa83c8cfcca7758fbecb77f0bdd38a2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking subtle v2.2.3
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking signature v1.2.2
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling rayon-core v1.8.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling parity-util-mem v0.7.0
[INFO] [stderr]     Checking sp-std v2.0.0
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking environmental v1.1.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking dyn-clone v1.0.2
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling multimap v0.8.2
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.67
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.67
[INFO] [stderr]     Checking integer-sqrt v0.1.3
[INFO] [stderr]     Checking send_wrapper v0.4.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking data-encoding v2.3.0
[INFO] [stderr]     Checking bs58 v0.3.1
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking fastrand v1.3.4
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking event-listener v2.4.0
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking vec-arena v0.5.2
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking parking v1.0.6
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.66.0
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]    Compiling prometheus v0.10.0
[INFO] [stderr]     Checking c_linked_list v1.1.1
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking lru_time_cache v0.10.0
[INFO] [stderr]     Checking parity-send-wrapper v0.1.0
[INFO] [stderr]     Checking hex_fmt v0.3.0
[INFO] [stderr]     Checking atomic v0.4.6
[INFO] [stderr]     Checking wasmparser v0.59.0
[INFO] [stderr]    Compiling wasmtime-environ v0.19.0
[INFO] [stderr]     Checking more-asserts v0.2.1
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking bitmask v0.5.0
[INFO] [stderr]    Compiling hex-literal v0.3.1
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling bindgen v0.54.0
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]     Checking ip_network v0.3.4
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking mio-named-pipes v0.1.7
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling substrate-wasm-builder-runner v1.0.6
[INFO] [stderr]     Checking retain_mut v0.1.1
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking safe-mix v1.0.1
[INFO] [stderr]    Compiling sc-consensus-slots v0.8.0
[INFO] [stderr]    Compiling names v0.11.0
[INFO] [stderr]    Compiling platforms v0.2.1
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling rayon v1.4.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking sharded-slab v0.0.9
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking linked_hash_set v0.1.4
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking ed25519 v1.0.1
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking generic-array v0.14.4
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking wast v23.0.0
[INFO] [stderr] error: could not compile `proc-macro2`
[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/proc-macro2-1.0.19/build.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="proc-macro"' -C metadata=99f9f743a4d79467 -C extra-filename=-99f9f743a4d79467 --out-dir /opt/rustwide/target/debug/build/proc-macro2-99f9f743a4d79467 -L dependency=/opt/rustwide/target/debug/deps --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" "665365106fcb99dbefa49dd0c6039f8ceaa83c8cfcca7758fbecb77f0bdd38a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "665365106fcb99dbefa49dd0c6039f8ceaa83c8cfcca7758fbecb77f0bdd38a2", kill_on_drop: false }`
[INFO] [stdout] 665365106fcb99dbefa49dd0c6039f8ceaa83c8cfcca7758fbecb77f0bdd38a2