[INFO] fetching crate rutie-serde 0.1.1...
[INFO] checking rutie-serde-0.1.1 against master#ffa2e7ae8fbf9badc035740db949b9dae271c29f for pr-78338
[INFO] extracting crate rutie-serde 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rutie-serde 0.1.1 on toolchain ffa2e7ae8fbf9badc035740db949b9dae271c29f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rutie-serde 0.1.1
[INFO] finished tweaking crates.io crate rutie-serde 0.1.1
[INFO] tweaked toml for crates.io crate rutie-serde 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b82999e4e05a2ae508a4ff6ec3cd8cfa8ce4abdf6530c5b76d57dad55c88c136
[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" "b82999e4e05a2ae508a4ff6ec3cd8cfa8ce4abdf6530c5b76d57dad55c88c136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b82999e4e05a2ae508a4ff6ec3cd8cfa8ce4abdf6530c5b76d57dad55c88c136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b82999e4e05a2ae508a4ff6ec3cd8cfa8ce4abdf6530c5b76d57dad55c88c136", kill_on_drop: false }`
[INFO] [stdout] b82999e4e05a2ae508a4ff6ec3cd8cfa8ce4abdf6530c5b76d57dad55c88c136
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] af4f4fbef8ac11def471e47d8f8a51d1e0577a5a5e2a0730966e489e77ab8c0e
[INFO] running `Command { std: "docker" "start" "-a" "af4f4fbef8ac11def471e47d8f8a51d1e0577a5a5e2a0730966e489e77ab8c0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling rutie v0.5.6
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr] error: failed to run custom build command for `rutie v0.5.6`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rutie-448a0afc7a2fd856/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rustc-link-search=/usr/lib
[INFO] [stderr]   cargo:rustc-link-lib=ruby-2.7
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'create_dir_all fail: Os { code: 30, kind: Other, message: "Read-only file system" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rutie-0.5.6/build.rs:179:46
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55d901a0b830 - std::backtrace_rs::backtrace::libunwind::trace::h303a626d53553a64
[INFO] [stderr]                                  at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5
[INFO] [stderr]      1:     0x55d901a0b830 - std::backtrace_rs::backtrace::trace_unsynchronized::h6abb882733c3f18c
[INFO] [stderr]                                  at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55d901a0b830 - std::sys_common::backtrace::_print_fmt::h57829321f1d9217a
[INFO] [stderr]                                  at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55d901a0b830 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h400b66a054640aac
[INFO] [stderr]                                  at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55d901a293ac - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/core/src/fmt/mod.rs:1076:17
[INFO] [stderr]      5:     0x55d901a086b2 - std::io::Write::write_fmt::h6453b28c8b27c6ea
[INFO] [stderr]                                  at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/io/mod.rs:1516:15
[INFO] [stderr]      6:     0x55d901a0d995 - std::sys_common::backtrace::_print::h15cc4b3923cc9bc0
[INFO] [stderr]                                  at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55d901a0d995 - std::sys_common::backtrace::print::h953c7be178c0674d
[INFO] [stderr]                                  at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55d901a0d995 - std::panicking::default_hook::{{closure}}::h635d667f571198f0
[INFO] [stderr]                                  at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55d901a0d638 - std::panicking::default_hook::h3bc2efb48060abaa
[INFO] [stderr]                                  at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/panicking.rs:227:9
[INFO] [stderr]     10:     0x55d901a0e011 - std::panicking::rust_panic_with_hook::h887eb0c89f46b8b2
[INFO] [stderr]                                  at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/panicking.rs:577:17
[INFO] [stderr]     11:     0x55d901a0dbb9 - std::panicking::begin_panic_handler::{{closure}}::hf0d3f46d37dd3bc1
[INFO] [stderr]                                  at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/panicking.rs:484:9
[INFO] [stderr]     12:     0x55d901a0bccc - std::sys_common::backtrace::__rust_end_short_backtrace::h4bce8b52717576e3
[INFO] [stderr]                                  at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55d901a0db79 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/panicking.rs:483:5
[INFO] [stderr]     14:     0x55d901a286c1 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stderr]                                  at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/core/src/panicking.rs:85:14
[INFO] [stderr]     15:     0x55d901a284e3 - core::option::expect_none_failed::he492a18657d97593
[INFO] [stderr]                                  at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/core/src/option.rs:1268:5
[INFO] [stderr]     16:     0x55d9019f3c3f - core::result::Result<T,E>::expect::hc93c1c59e52c1755
[INFO] [stderr]                                  at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/core/src/result.rs:933:23
[INFO] [stderr]     17:     0x55d9019d542f - build_script_build::ruby_lib_link_name::h1635ff4e1d859d5b
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rutie-0.5.6/build.rs:179:13
[INFO] [stderr]     18:     0x55d9019d5ac9 - build_script_build::dynamic_linker_args::hb20792103844cd93
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rutie-0.5.6/build.rs:208:47
[INFO] [stderr]     19:     0x55d9019d5008 - build_script_build::use_dylib::h6b3a09d625b3fe75
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rutie-0.5.6/build.rs:97:5
[INFO] [stderr]     20:     0x55d9019d7c86 - build_script_build::main::h767a8c80761200bb
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rutie-0.5.6/build.rs:359:26
[INFO] [stderr]     21:     0x55d9019f18db - core::ops::function::FnOnce::call_once::h0d84257b23bfe0fe
[INFO] [stderr]                                  at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     22:     0x55d9019ed3fe - std::sys_common::backtrace::__rust_begin_short_backtrace::h81a92a6a282aab99
[INFO] [stderr]                                  at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     23:     0x55d9019dfc21 - std::rt::lang_start::{{closure}}::hf4924d0d1b01f698
[INFO] [stderr]                                  at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/rt.rs:66:18
[INFO] [stderr]     24:     0x55d901a0e437 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h1af42f2aaad601f7
[INFO] [stderr]                                  at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     25:     0x55d901a0e437 - std::panicking::try::do_call::h9d43a73a8e9fb04a
[INFO] [stderr]                                  at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/panicking.rs:381:40
[INFO] [stderr]     26:     0x55d901a0e437 - std::panicking::try::h7a8d1100a6afe839
[INFO] [stderr]                                  at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/panicking.rs:345:19
[INFO] [stderr]     27:     0x55d901a0e437 - std::panic::catch_unwind::h9c80942da690cf03
[INFO] [stderr]                                  at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/panic.rs:382:14
[INFO] [stderr]     28:     0x55d901a0e437 - std::rt::lang_start_internal::h18ef240fb861b4d5
[INFO] [stderr]                                  at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/rt.rs:51:25
[INFO] [stderr]     29:     0x55d9019dfbf7 - std::rt::lang_start::hd8c3c8330dad1cb9
[INFO] [stderr]                                  at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/rt.rs:65:5
[INFO] [stderr]     30:     0x55d9019d7e6a - main
[INFO] [stderr]     31:     0x7fb05331c0b3 - __libc_start_main
[INFO] [stderr]     32:     0x55d9019cd0be - _start
[INFO] [stderr]     33:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "af4f4fbef8ac11def471e47d8f8a51d1e0577a5a5e2a0730966e489e77ab8c0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af4f4fbef8ac11def471e47d8f8a51d1e0577a5a5e2a0730966e489e77ab8c0e", kill_on_drop: false }`
[INFO] [stdout] af4f4fbef8ac11def471e47d8f8a51d1e0577a5a5e2a0730966e489e77ab8c0e