[INFO] fetching crate neon-serde 0.4.0...
[INFO] checking neon-serde-0.4.0 against master#da897dfb6daa268a965d2d73620316ba56020a19 for pr-76219
[INFO] extracting crate neon-serde 0.4.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate neon-serde 0.4.0 on toolchain da897dfb6daa268a965d2d73620316ba56020a19
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate neon-serde 0.4.0
[INFO] finished tweaking crates.io crate neon-serde 0.4.0
[INFO] tweaked toml for crates.io crate neon-serde 0.4.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69a3807847e4726aa146171932d218fe7f5ef9bc9809623e10c9552b39de7181
[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" "69a3807847e4726aa146171932d218fe7f5ef9bc9809623e10c9552b39de7181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69a3807847e4726aa146171932d218fe7f5ef9bc9809623e10c9552b39de7181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69a3807847e4726aa146171932d218fe7f5ef9bc9809623e10c9552b39de7181", kill_on_drop: false }`
[INFO] [stdout] 69a3807847e4726aa146171932d218fe7f5ef9bc9809623e10c9552b39de7181
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f6a17610f4733a759d93c34de378ae9dba77e242202868c0927215bebc2dc8b
[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" "9f6a17610f4733a759d93c34de378ae9dba77e242202868c0927215bebc2dc8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]     Checking cslice v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling neon-build v0.4.0
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]    Compiling neon-sys v0.4.0
[INFO] [stderr] error: failed to run custom build command for `neon-sys v0.4.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/neon-sys-e01b7fe8c35f4469/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'Failed to run "npm install" for neon-sys!', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/neon-sys-0.4.0/build.rs:150:70
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x555bc4d54450 - std::backtrace_rs::backtrace::libunwind::trace::h452faf99f32e7c93
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x555bc4d54450 - std::backtrace_rs::backtrace::trace_unsynchronized::he40edc71437667a1
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x555bc4d54450 - std::sys_common::backtrace::_print_fmt::h6c51d6ade71f46bf
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x555bc4d54450 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3cd15d7003dec37a
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x555bc4d7445c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/core/src/fmt/mod.rs:1082
[INFO] [stderr]      5:     0x555bc4d506a7 - std::io::Write::write_fmt::hac61caff894c35ae
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/io/mod.rs:1517
[INFO] [stderr]      6:     0x555bc4d569c0 - std::sys_common::backtrace::_print::haa2f390fb7957e3e
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x555bc4d569c0 - std::sys_common::backtrace::print::h48c7cbbad9013bb1
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x555bc4d569c0 - std::panicking::default_hook::{{closure}}::h8b7ff05a31e71d55
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/panicking.rs:208
[INFO] [stderr]      9:     0x555bc4d5670c - std::panicking::default_hook::h2f00c78800d98e4c
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/panicking.rs:227
[INFO] [stderr]     10:     0x555bc4d57023 - std::panicking::rust_panic_with_hook::h4eaa635e4694aef3
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/panicking.rs:577
[INFO] [stderr]     11:     0x555bc4d56bf9 - std::panicking::begin_panic_handler::{{closure}}::hec242f1b136b5ff2
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/panicking.rs:484
[INFO] [stderr]     12:     0x555bc4d548bc - std::sys_common::backtrace::__rust_end_short_backtrace::h1f3cc383ee6c0374
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x555bc4d56bb9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/panicking.rs:483
[INFO] [stderr]     14:     0x555bc4d73781 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/core/src/panicking.rs:85
[INFO] [stderr]     15:     0x555bc4d73513 - core::option::expect_failed::h6bc6a05976f4cb88
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/core/src/option.rs:1213
[INFO] [stderr]     16:     0x555bc4cd3b78 - core::option::Option<T>::expect::hef7cef3a7ae75353
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/core/src/option.rs:333
[INFO] [stderr]     17:     0x555bc4cd2287 - build_script_build::build::build_object_file::h1e0e3d04fec73dc0
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/neon-sys-0.4.0/build.rs:150
[INFO] [stderr]     18:     0x555bc4cd135b - build_script_build::build::main::hc84119ce6edb1bff
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/neon-sys-0.4.0/build.rs:33
[INFO] [stderr]     19:     0x555bc4cd3426 - build_script_build::main::hc66df050cbab5a73
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/neon-sys-0.4.0/build.rs:5
[INFO] [stderr]     20:     0x555bc4cd38bb - core::ops::function::FnOnce::call_once::h51be2f39d972ab7c
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/core/src/ops/function.rs:227
[INFO] [stderr]     21:     0x555bc4cd35ce - std::sys_common::backtrace::__rust_begin_short_backtrace::h925a14e12b17c7f4
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     22:     0x555bc4cd4cd1 - std::rt::lang_start::{{closure}}::hede9e7ca86d33552
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/rt.rs:66
[INFO] [stderr]     23:     0x555bc4d57421 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hecc21eb9018cc197
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/core/src/ops/function.rs:259
[INFO] [stderr]     24:     0x555bc4d57421 - std::panicking::try::do_call::h174ad655d084b5c7
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/panicking.rs:381
[INFO] [stderr]     25:     0x555bc4d57421 - std::panicking::try::h479e6054ce28de10
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/panicking.rs:345
[INFO] [stderr]     26:     0x555bc4d57421 - std::panic::catch_unwind::hb558ddea2b3e9c45
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/panic.rs:382
[INFO] [stderr]     27:     0x555bc4d57421 - std::rt::lang_start_internal::h163149047f0a8b61
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/rt.rs:51
[INFO] [stderr]     28:     0x555bc4cd4ca7 - std::rt::lang_start::h35002bd0a2c46ad4
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/rt.rs:65
[INFO] [stderr]     29:     0x555bc4cd345a - main
[INFO] [stderr]     30:     0x7f560a2b00b3 - __libc_start_main
[INFO] [stderr]     31:     0x555bc4cd10ce - _start
[INFO] [stderr]     32:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9f6a17610f4733a759d93c34de378ae9dba77e242202868c0927215bebc2dc8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f6a17610f4733a759d93c34de378ae9dba77e242202868c0927215bebc2dc8b", kill_on_drop: false }`
[INFO] [stdout] 9f6a17610f4733a759d93c34de378ae9dba77e242202868c0927215bebc2dc8b