[INFO] fetching crate serde-generate 0.19.3...
[INFO] testing serde-generate-0.19.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate serde-generate 0.19.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate serde-generate 0.19.3 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] started tweaking crates.io crate serde-generate 0.19.3
[INFO] finished tweaking crates.io crate serde-generate 0.19.3
[INFO] tweaked toml for crates.io crate serde-generate 0.19.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate serde-generate 0.19.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bcs v0.1.3
[INFO] [stderr]   Downloaded smawk v0.3.1
[INFO] [stderr]   Downloaded include_dir_impl v0.6.0
[INFO] [stderr]   Downloaded textwrap v0.13.4
[INFO] [stderr]   Downloaded include_dir v0.6.0
[INFO] [stderr]   Downloaded which v4.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 458e62c50f598ed6ad70d2542e27aa34aac01d4e3e0bcb4499dcb1da7cff50d4
[INFO] running `Command { std: "docker" "start" "-a" "458e62c50f598ed6ad70d2542e27aa34aac01d4e3e0bcb4499dcb1da7cff50d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "458e62c50f598ed6ad70d2542e27aa34aac01d4e3e0bcb4499dcb1da7cff50d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "458e62c50f598ed6ad70d2542e27aa34aac01d4e3e0bcb4499dcb1da7cff50d4", kill_on_drop: false }`
[INFO] [stdout] 458e62c50f598ed6ad70d2542e27aa34aac01d4e3e0bcb4499dcb1da7cff50d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] a5d7d70e0caf3c6ed0d78f10bfe2f83b90317d5a26399115e1cdce0e206b020f
[INFO] running `Command { std: "docker" "start" "-a" "a5d7d70e0caf3c6ed0d78f10bfe2f83b90317d5a26399115e1cdce0e206b020f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling smawk v0.3.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling textwrap v0.13.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling include_dir_impl v0.6.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling include_dir v0.6.0
[INFO] [stderr]    Compiling thiserror v1.0.25
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling bcs v0.1.3
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling serde-reflection v0.3.3
[INFO] [stderr]    Compiling serde_yaml v0.8.17
[INFO] [stderr]    Compiling serde-generate v0.19.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.70s
[INFO] running `Command { std: "docker" "inspect" "a5d7d70e0caf3c6ed0d78f10bfe2f83b90317d5a26399115e1cdce0e206b020f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5d7d70e0caf3c6ed0d78f10bfe2f83b90317d5a26399115e1cdce0e206b020f", kill_on_drop: false }`
[INFO] [stdout] a5d7d70e0caf3c6ed0d78f10bfe2f83b90317d5a26399115e1cdce0e206b020f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a32677d446e27e3de834f8f90d74a4a7d9b7d18147082c5cf9af3afae65efb5
[INFO] running `Command { std: "docker" "start" "-a" "1a32677d446e27e3de834f8f90d74a4a7d9b7d18147082c5cf9af3afae65efb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling which v4.1.0
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling serde-generate v0.19.3 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `serde-generate`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_generate --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=01bb623a938a570c -C extra-filename=-01bb623a938a570c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bcs=/opt/rustwide/target/debug/deps/libbcs-b4e7fd746663a56d.rlib --extern bincode=/opt/rustwide/target/debug/deps/libbincode-4af6472c423d0a5a.rlib --extern heck=/opt/rustwide/target/debug/deps/libheck-dde1537ff2d217e5.rlib --extern hex=/opt/rustwide/target/debug/deps/libhex-33fd519b96d635fb.rlib --extern include_dir=/opt/rustwide/target/debug/deps/libinclude_dir-e2844f579045d155.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-df981c5871754530.rlib --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-21d5ff4807e27e80.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-52ce419cab9bf536.rlib --extern serde_reflection=/opt/rustwide/target/debug/deps/libserde_reflection-3ccc62d7d3080c1d.rlib --extern serde_bytes=/opt/rustwide/target/debug/deps/libserde_bytes-735e8dfc50222f2e.rlib --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-6cf8da72bc0ac3f9.rlib --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-95e5c4ccdd0555e0.rlib --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-58bbbd4e5989a6a4.rlib --extern textwrap=/opt/rustwide/target/debug/deps/libtextwrap-1d8ddd295a351f54.rlib --extern which=/opt/rustwide/target/debug/deps/libwhich-aebb29f5d152dd52.rlib --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" "1a32677d446e27e3de834f8f90d74a4a7d9b7d18147082c5cf9af3afae65efb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a32677d446e27e3de834f8f90d74a4a7d9b7d18147082c5cf9af3afae65efb5", kill_on_drop: false }`
[INFO] [stdout] 1a32677d446e27e3de834f8f90d74a4a7d9b7d18147082c5cf9af3afae65efb5