[INFO] cloning repository https://github.com/arielwang829/erc20-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arielwang829/erc20-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farielwang829%2Ferc20-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farielwang829%2Ferc20-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de6f5a22350522d2d81b48a18c3c69ae24327fc7
[INFO] checking arielwang829/erc20-example against try#1b0139f5bdae7328e6d232947a8112333bb44eeb for pr-93394
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farielwang829%2Ferc20-example" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arielwang829/erc20-example on toolchain 1b0139f5bdae7328e6d232947a8112333bb44eeb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b0139f5bdae7328e6d232947a8112333bb44eeb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arielwang829/erc20-example
[INFO] finished tweaking git repo https://github.com/arielwang829/erc20-example
[INFO] tweaked toml for git repo https://github.com/arielwang829/erc20-example written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/arielwang829/erc20-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b0139f5bdae7328e6d232947a8112333bb44eeb" "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 scale-info-derive v0.4.0
[INFO] [stderr]   Downloaded ink_allocator v3.0.0-rc5
[INFO] [stderr]   Downloaded ink_lang v3.0.0-rc5
[INFO] [stderr]   Downloaded ink_lang_macro v3.0.0-rc5
[INFO] [stderr]   Downloaded ink_env v3.0.0-rc5
[INFO] [stderr]   Downloaded ink_lang_codegen v3.0.0-rc5
[INFO] [stderr]   Downloaded ink_prelude v3.0.0-rc5
[INFO] [stderr]   Downloaded scale-info v0.6.0
[INFO] [stderr]   Downloaded ink_lang_ir v3.0.0-rc5
[INFO] [stderr]   Downloaded ink_storage_derive v3.0.0-rc5
[INFO] [stderr]   Downloaded ink_primitives v3.0.0-rc5
[INFO] [stderr]   Downloaded ink_storage v3.0.0-rc5
[INFO] [stderr]   Downloaded ink_metadata v3.0.0-rc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1b0139f5bdae7328e6d232947a8112333bb44eeb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f8ba60207f264bb8ae338a9a09a7dbe18c9687d47f7d10ca9d9720032f260d7
[INFO] running `Command { std: "docker" "start" "-a" "8f8ba60207f264bb8ae338a9a09a7dbe18c9687d47f7d10ca9d9720032f260d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f8ba60207f264bb8ae338a9a09a7dbe18c9687d47f7d10ca9d9720032f260d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f8ba60207f264bb8ae338a9a09a7dbe18c9687d47f7d10ca9d9720032f260d7", kill_on_drop: false }`
[INFO] [stdout] 8f8ba60207f264bb8ae338a9a09a7dbe18c9687d47f7d10ca9d9720032f260d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1b0139f5bdae7328e6d232947a8112333bb44eeb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d7316a6f483a11f0dd1e1565087cab2bda28a87697622c61a16b8316be0f619
[INFO] running `Command { std: "docker" "start" "-a" "5d7316a6f483a11f0dd1e1565087cab2bda28a87697622c61a16b8316be0f619", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking byte-slice-cast v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking arrayvec v0.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.68
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[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking array-init v2.0.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling ink_prelude v3.0.0-rc5
[INFO] [stderr]     Checking ink_allocator v3.0.0-rc5
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking bitvec v0.20.4
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling impl-serde v0.3.1
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]    Compiling blake2 v0.9.2
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]    Compiling ink_lang_ir v3.0.0-rc5
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.1
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling scale-info-derive v0.4.0
[INFO] [stderr]    Compiling sp-debug-derive v3.0.0
[INFO] [stderr]    Compiling ink_storage_derive v3.0.0-rc5
[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,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 -C metadata=d0b2a695bf9784b8 -C extra-filename=-d0b2a695bf9784b8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a9e37e1a9d2dc9b7.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-cb31b58584e17ba0.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-141eb8e5fe80ea82.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" "5d7316a6f483a11f0dd1e1565087cab2bda28a87697622c61a16b8316be0f619", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d7316a6f483a11f0dd1e1565087cab2bda28a87697622c61a16b8316be0f619", kill_on_drop: false }`
[INFO] [stdout] 5d7316a6f483a11f0dd1e1565087cab2bda28a87697622c61a16b8316be0f619