[INFO] cloning repository https://github.com/chee-chyuan/accumulator_v3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chee-chyuan/accumulator_v3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchee-chyuan%2Faccumulator_v3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchee-chyuan%2Faccumulator_v3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b2957a4326c43b01c1c8216764228782eeeaec0
[INFO] checking chee-chyuan/accumulator_v3 against master#32c26302620b2dbbe0a2291f1969bc0b1622ae59 for pr-95755
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchee-chyuan%2Faccumulator_v3" "/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/chee-chyuan/accumulator_v3 on toolchain 32c26302620b2dbbe0a2291f1969bc0b1622ae59
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32c26302620b2dbbe0a2291f1969bc0b1622ae59" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chee-chyuan/accumulator_v3
[INFO] finished tweaking git repo https://github.com/chee-chyuan/accumulator_v3
[INFO] tweaked toml for git repo https://github.com/chee-chyuan/accumulator_v3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/chee-chyuan/accumulator_v3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32c26302620b2dbbe0a2291f1969bc0b1622ae59" "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 serial_test v0.5.1
[INFO] [stderr]   Downloaded serial_test_derive v0.5.1
[INFO] [stderr]   Downloaded eth2_serde_utils v0.1.0
[INFO] [stderr]   Downloaded mysql v20.1.0
[INFO] [stderr]   Downloaded mysql_common v0.24.1
[INFO] [stderr]   Downloaded io-enum v0.2.6
[INFO] [stderr]   Downloaded ctrlc v3.2.0
[INFO] [stderr]   Downloaded flate2 v1.0.21
[INFO] [stderr]   Downloaded rust_decimal v1.15.0
[INFO] [stderr]   Downloaded serde_json v1.0.67
[INFO] [stderr]   Downloaded sha2 v0.9.6
[INFO] [stderr]   Downloaded eth2_ssz_types v0.2.0
[INFO] [stderr]   Downloaded eth2_hashing v0.2.0
[INFO] [stderr]   Downloaded tree_hash v0.3.0
[INFO] [stderr]   Downloaded tree_hash_derive v0.3.1
[INFO] [stderr]   Downloaded eth2_ssz_derive v0.2.1
[INFO] [stderr]   Downloaded eth2_ssz v0.3.0
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+32c26302620b2dbbe0a2291f1969bc0b1622ae59" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d3a1fb1f2bb5201d25d8d3aa7e0da3d84b423b46119658094a7bc027af279da
[INFO] running `Command { std: "docker" "start" "-a" "1d3a1fb1f2bb5201d25d8d3aa7e0da3d84b423b46119658094a7bc027af279da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d3a1fb1f2bb5201d25d8d3aa7e0da3d84b423b46119658094a7bc027af279da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d3a1fb1f2bb5201d25d8d3aa7e0da3d84b423b46119658094a7bc027af279da", kill_on_drop: false }`
[INFO] [stdout] 1d3a1fb1f2bb5201d25d8d3aa7e0da3d84b423b46119658094a7bc027af279da
[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=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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+32c26302620b2dbbe0a2291f1969bc0b1622ae59" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b53610e3024d5d21e653362a99133b27f841ffd947549ff37e16c5848e61fe3e
[INFO] running `Command { std: "docker" "start" "-a" "b53610e3024d5d21e653362a99133b27f841ffd947549ff37e16c5848e61fe3e", 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 libc v0.2.101
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking arrayvec v0.7.1
[INFO] [stderr]     Checking byte-slice-cast v1.0.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking accumulator_storage v0.1.0 (/opt/rustwide/workdir/accumulator_storage)
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling mysql v20.1.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr] error: could not compile `typenum`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_main --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/typenum-1.14.0/build/main.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 -C metadata=0dba82fd1f0fcc34 -C extra-filename=-0dba82fd1f0fcc34 --out-dir /opt/rustwide/target/debug/build/typenum-0dba82fd1f0fcc34 -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: could not compile `cc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cc --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.70/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=3242bab8364feab0 -C extra-filename=-3242bab8364feab0 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `arrayvec`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name arrayvec --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrayvec-0.5.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="array-sizes-33-128"' --cfg 'feature="std"' -C metadata=046a05b123a2ca30 -C extra-filename=-046a05b123a2ca30 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `memchr`
[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/memchr-2.4.1/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="default"' --cfg 'feature="std"' -C metadata=34a26f3b911c987e -C extra-filename=-34a26f3b911c987e --out-dir /opt/rustwide/target/debug/build/memchr-34a26f3b911c987e -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[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-1.0.67/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="default"' --cfg 'feature="std"' -C metadata=ce4d9f634be5c1bc -C extra-filename=-ce4d9f634be5c1bc --out-dir /opt/rustwide/target/debug/build/serde_json-ce4d9f634be5c1bc -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `bitflags`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bitflags-1.2.1/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="default"' -C metadata=e7f4899e62da0372 -C extra-filename=-e7f4899e62da0372 --out-dir /opt/rustwide/target/debug/build/bitflags-e7f4899e62da0372 -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.25/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=b65cedb3bd8cf729 -C extra-filename=-b65cedb3bd8cf729 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `base64`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name base64 --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/base64-0.12.3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=08a56ae68f53acff -C extra-filename=-08a56ae68f53acff --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "b53610e3024d5d21e653362a99133b27f841ffd947549ff37e16c5848e61fe3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b53610e3024d5d21e653362a99133b27f841ffd947549ff37e16c5848e61fe3e", kill_on_drop: false }`
[INFO] [stdout] b53610e3024d5d21e653362a99133b27f841ffd947549ff37e16c5848e61fe3e