[INFO] fetching crate peepmatic 0.66.0...
[INFO] checking peepmatic-0.66.0 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate peepmatic 0.66.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate peepmatic 0.66.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate peepmatic 0.66.0
[INFO] finished tweaking crates.io crate peepmatic 0.66.0
[INFO] tweaked toml for crates.io crate peepmatic 0.66.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce223188c7ab8c0999c9f99138a29e72954809adb787c7ca58db42546d2e917f
[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" "ce223188c7ab8c0999c9f99138a29e72954809adb787c7ca58db42546d2e917f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce223188c7ab8c0999c9f99138a29e72954809adb787c7ca58db42546d2e917f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce223188c7ab8c0999c9f99138a29e72954809adb787c7ca58db42546d2e917f", kill_on_drop: false }`
[INFO] [stdout] ce223188c7ab8c0999c9f99138a29e72954809adb787c7ca58db42546d2e917f
[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=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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d72b5b945662122e9c182dd8bc4f678556a2b67d21250b2993e95c23f0538673
[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" "d72b5b945662122e9c182dd8bc4f678556a2b67d21250b2993e95c23f0538673", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking bumpalo v3.4.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]     Checking wast v15.0.0
[INFO] [stderr]    Compiling z3-sys v0.6.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling peepmatic-macro v0.2.0
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr] error: could not compile `serde`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.115/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="serde_derive"' --cfg 'feature="std"' -C metadata=d1f24ad445d04cd0 -C extra-filename=-d1f24ad445d04cd0 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-3a89c57880b62507.so --cap-lints allow --cap-lints=forbid --cfg ops_bound --cfg core_reverse --cfg de_boxed_c_str --cfg de_boxed_path --cfg de_rc_dst --cfg core_duration --cfg integer128 --cfg range_inclusive --cfg num_nonzero --cfg core_try_from --cfg num_nonzero_signed --cfg std_atomic64 --cfg std_atomic` (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" "d72b5b945662122e9c182dd8bc4f678556a2b67d21250b2993e95c23f0538673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d72b5b945662122e9c182dd8bc4f678556a2b67d21250b2993e95c23f0538673", kill_on_drop: false }`
[INFO] [stdout] d72b5b945662122e9c182dd8bc4f678556a2b67d21250b2993e95c23f0538673
