[INFO] cloning repository https://github.com/djkoloski/rust_serialization_benchmark
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/djkoloski/rust_serialization_benchmark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjkoloski%2Frust_serialization_benchmark", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjkoloski%2Frust_serialization_benchmark'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 942d62c1c131316162eacb98662a87736e0a730c
[INFO] testing djkoloski/rust_serialization_benchmark against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjkoloski%2Frust_serialization_benchmark" "/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/djkoloski/rust_serialization_benchmark on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/djkoloski/rust_serialization_benchmark
[INFO] finished tweaking git repo https://github.com/djkoloski/rust_serialization_benchmark
[INFO] tweaked toml for git repo https://github.com/djkoloski/rust_serialization_benchmark written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71c4315a7d4c632bc0d794e287e8a37676654bf5199bc88631d2c975d6aa4a4f
[INFO] running `Command { std: "docker" "start" "-a" "71c4315a7d4c632bc0d794e287e8a37676654bf5199bc88631d2c975d6aa4a4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71c4315a7d4c632bc0d794e287e8a37676654bf5199bc88631d2c975d6aa4a4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71c4315a7d4c632bc0d794e287e8a37676654bf5199bc88631d2c975d6aa4a4f", kill_on_drop: false }`
[INFO] [stdout] 71c4315a7d4c632bc0d794e287e8a37676654bf5199bc88631d2c975d6aa4a4f
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37d62fd2ec0a33430a3bf0de238bb7496eda399d09bb441de9ef0458e67f0492
[INFO] running `Command { std: "docker" "start" "-a" "37d62fd2ec0a33430a3bf0de238bb7496eda399d09bb441de9ef0458e67f0492", 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 serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.6
[INFO] [stderr]    Compiling httpdate v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling bytecheck v0.6.5
[INFO] [stderr]    Compiling zstd-safe v4.1.1+zstd.1.5.0
[INFO] [stderr]    Compiling capnp v0.14.3
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling rend v0.3.2
[INFO] [stderr]    Compiling heapless v0.7.5
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling rkyv v0.7.16
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling postcard-cobs v0.1.5-pre
[INFO] [stderr]    Compiling nachricht v0.2.0
[INFO] [stderr]    Compiling seahash v4.1.0
[INFO] [stderr]    Compiling simdutf8 v0.1.3
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling bebop v2.3.0
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling tracing-core v0.1.19
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling tinyvec v1.4.0
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling libflate_lz77 v1.1.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling which v4.2.2
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling flatc-rust v0.2.0
[INFO] [stderr]    Compiling capnpc v0.14.4
[INFO] [stderr]    Compiling libflate v1.1.1
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling rmp v0.8.10
[INFO] [stderr]    Compiling flate2 v1.0.21
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling prost-build v0.8.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling http-body v0.4.3
[INFO] [stderr]    Compiling openssl-sys v0.9.66
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling zstd-sys v1.6.1+zstd.1.5.0
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling bzip2 v0.4.3
[INFO] [stderr] error: could not compile `clap`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name clap /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.33.3/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 -C metadata=6761843adc7c7c4c -C extra-filename=-6761843adc7c7c4c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-f947290fec4feb2c.rmeta --extern textwrap=/opt/rustwide/target/debug/deps/libtextwrap-349506f3b2349b3f.rmeta --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-05a4b639dec6224c.rmeta --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" "37d62fd2ec0a33430a3bf0de238bb7496eda399d09bb441de9ef0458e67f0492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37d62fd2ec0a33430a3bf0de238bb7496eda399d09bb441de9ef0458e67f0492", kill_on_drop: false }`
[INFO] [stdout] 37d62fd2ec0a33430a3bf0de238bb7496eda399d09bb441de9ef0458e67f0492