[INFO] cloning repository https://github.com/BFTForensics/DiemForensics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BFTForensics/DiemForensics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBFTForensics%2FDiemForensics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBFTForensics%2FDiemForensics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 75143920e2684b05098408e90a3e2771f7d7df48
[INFO] checking BFTForensics/DiemForensics against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBFTForensics%2FDiemForensics" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/BFTForensics/DiemForensics on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/BFTForensics/DiemForensics
[INFO] finished tweaking git repo https://github.com/BFTForensics/DiemForensics
[INFO] tweaked toml for git repo https://github.com/BFTForensics/DiemForensics written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/BFTForensics/DiemForensics already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3a440c8360d2e326de47f9e677a13fdb0d3b9898e29d621bd19011436767671c
[INFO] running `Command { std: "docker" "start" "-a" "3a440c8360d2e326de47f9e677a13fdb0d3b9898e29d621bd19011436767671c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a440c8360d2e326de47f9e677a13fdb0d3b9898e29d621bd19011436767671c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a440c8360d2e326de47f9e677a13fdb0d3b9898e29d621bd19011436767671c", kill_on_drop: false }`
[INFO] [stdout] 3a440c8360d2e326de47f9e677a13fdb0d3b9898e29d621bd19011436767671c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40f3e6a43bc3aa3ecd05c8edd735cfb80b320e0695915c371d3a873872f5e7f3
[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" "40f3e6a43bc3aa3ecd05c8edd735cfb80b320e0695915c371d3a873872f5e7f3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
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[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
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[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling bindgen v0.54.0
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]    Compiling proptest-derive v0.2.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking num-complex v0.3.0
[INFO] [stderr]     Checking plotters v0.2.15
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[INFO] [stderr]     Checking getrandom v0.1.15
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[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
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[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]     Checking flate2 v1.0.18
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking backtrace v0.3.51
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[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]    Compiling which v3.1.1
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[INFO] [stderr]    Compiling block-buffer v0.9.0
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[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking block-cipher v0.8.0
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[INFO] [stderr]     Checking crypto-mac v0.9.1
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking cc v1.0.60
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]     Checking pem v0.8.1
[INFO] [stderr]     Checking rayon-core v1.8.1
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking term v0.5.2
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[INFO] [stderr]     Checking dirs-next v1.0.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling sha-1 v0.9.1
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[INFO] [stderr]     Checking hmac v0.9.0
[INFO] [stderr]     Checking aes-soft v0.5.0
[INFO] [stderr]     Checking polyval v0.4.0
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking hkdf v0.9.0
[INFO] [stderr]     Checking ghash v0.3.0
[INFO] [stderr]     Checking aes v0.5.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking aes-gcm v0.7.0
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking statistical v1.0.0
[INFO] [stderr]     Checking num v0.3.0
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]    Compiling libfuzzer-sys v0.3.2
[INFO] [stderr]     Checking ctrlc v3.1.6
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking pbkdf2 v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking proptest v0.10.1
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.42/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=8f4c3f1341e052da -C extra-filename=-8f4c3f1341e052da --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-ba80430fb18d8252.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-42bf3df2a4136a24.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-4182131ee577b5da.rmeta --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" "40f3e6a43bc3aa3ecd05c8edd735cfb80b320e0695915c371d3a873872f5e7f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40f3e6a43bc3aa3ecd05c8edd735cfb80b320e0695915c371d3a873872f5e7f3", kill_on_drop: false }`
[INFO] [stdout] 40f3e6a43bc3aa3ecd05c8edd735cfb80b320e0695915c371d3a873872f5e7f3