[INFO] fetching crate grandma 0.3.1...
[INFO] checking grandma-0.3.1 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate grandma 0.3.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate grandma 0.3.1 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grandma 0.3.1
[INFO] finished tweaking crates.io crate grandma 0.3.1
[INFO] tweaked toml for crates.io crate grandma 0.3.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate grandma 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", 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] 5f81034ba6e385e05dd66ac37c250470a91628b30add6cf16ffbbbe92f7182ec
[INFO] running `Command { std: "docker" "start" "-a" "5f81034ba6e385e05dd66ac37c250470a91628b30add6cf16ffbbbe92f7182ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f81034ba6e385e05dd66ac37c250470a91628b30add6cf16ffbbbe92f7182ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f81034ba6e385e05dd66ac37c250470a91628b30add6cf16ffbbbe92f7182ec", kill_on_drop: false }`
[INFO] [stdout] 5f81034ba6e385e05dd66ac37c250470a91628b30add6cf16ffbbbe92f7182ec
[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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d491165b78e2ef7ef04f894d9060148e1a91d115b596a5701855d7e4f1f4db09
[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" "d491165b78e2ef7ef04f894d9060148e1a91d115b596a5701855d7e4f1f4db09", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling protobuf v2.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]    Compiling packed_simd v0.3.3
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling hashbrown v0.8.0
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]     Checking type-map v0.3.0
[INFO] [stderr]    Compiling protoc v2.15.0
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking pbr v1.0.3
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]     Checking statrs v0.12.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling protobuf-codegen v2.15.0
[INFO] [stderr]    Compiling protoc-rust v2.15.0
[INFO] [stderr]    Compiling grandma v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `grandma v0.3.1 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/grandma-2327de516a0e57dd/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'protoc: Os { code: 30, kind: Other, message: "Read-only file system" }', build.rs:32:14
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55ed5dcab730 - std::backtrace_rs::backtrace::libunwind::trace::h452faf99f32e7c93
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x55ed5dcab730 - std::backtrace_rs::backtrace::trace_unsynchronized::he40edc71437667a1
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x55ed5dcab730 - std::sys_common::backtrace::_print_fmt::h6c51d6ade71f46bf
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x55ed5dcab730 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3cd15d7003dec37a
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x55ed5dcd0bdc - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]      5:     0x55ed5dca8ae7 - std::io::Write::write_fmt::hac61caff894c35ae
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/io/mod.rs:1517
[INFO] [stderr]      6:     0x55ed5dcadd20 - std::sys_common::backtrace::_print::haa2f390fb7957e3e
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x55ed5dcadd20 - std::sys_common::backtrace::print::h48c7cbbad9013bb1
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x55ed5dcadd20 - std::panicking::default_hook::{{closure}}::h8b7ff05a31e71d55
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/panicking.rs:208
[INFO] [stderr]      9:     0x55ed5dcada6c - std::panicking::default_hook::h2f00c78800d98e4c
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/panicking.rs:227
[INFO] [stderr]     10:     0x55ed5dcae383 - std::panicking::rust_panic_with_hook::h4eaa635e4694aef3
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/panicking.rs:577
[INFO] [stderr]     11:     0x55ed5dcadf59 - std::panicking::begin_panic_handler::{{closure}}::hec242f1b136b5ff2
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/panicking.rs:484
[INFO] [stderr]     12:     0x55ed5dcabb9c - std::sys_common::backtrace::__rust_end_short_backtrace::h1f3cc383ee6c0374
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x55ed5dcadf19 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/panicking.rs:483
[INFO] [stderr]     14:     0x55ed5dcceab1 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/core/src/panicking.rs:85
[INFO] [stderr]     15:     0x55ed5dcce8d3 - core::option::expect_none_failed::he492a18657d97593
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/core/src/option.rs:1221
[INFO] [stderr]     16:     0x55ed5da0f83c - core::result::Result<T,E>::expect::h408982fc3693b2c7
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/core/src/result.rs:933
[INFO] [stderr]     17:     0x55ed5da0f480 - build_script_build::main::hb2d76a50c6f31757
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:27
[INFO] [stderr]     18:     0x55ed5da0f62b - core::ops::function::FnOnce::call_once::hdb02b25b63febf5c
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/core/src/ops/function.rs:227
[INFO] [stderr]     19:     0x55ed5da0f57e - std::sys_common::backtrace::__rust_begin_short_backtrace::h9dbca016fb7aec19
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     20:     0x55ed5da0f211 - std::rt::lang_start::{{closure}}::h9b4691a3b3e0cfe1
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/rt.rs:66
[INFO] [stderr]     21:     0x55ed5dcae781 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hecc21eb9018cc197
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/core/src/ops/function.rs:259
[INFO] [stderr]     22:     0x55ed5dcae781 - std::panicking::try::do_call::h174ad655d084b5c7
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/panicking.rs:381
[INFO] [stderr]     23:     0x55ed5dcae781 - std::panicking::try::h479e6054ce28de10
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/panicking.rs:345
[INFO] [stderr]     24:     0x55ed5dcae781 - std::panic::catch_unwind::hb558ddea2b3e9c45
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/panic.rs:382
[INFO] [stderr]     25:     0x55ed5dcae781 - std::rt::lang_start_internal::h163149047f0a8b61
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/rt.rs:51
[INFO] [stderr]     26:     0x55ed5da0f1e7 - std::rt::lang_start::h787213deaa58eb10
[INFO] [stderr]                                  at /rustc/af3c6e733a40e671550e0f0f5aeecaa13772ba56/library/std/src/rt.rs:65
[INFO] [stderr]     27:     0x55ed5da0f52a - main
[INFO] [stderr]     28:     0x7f1dfb6e90b3 - __libc_start_main
[INFO] [stderr]     29:     0x55ed5da0f0de - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d491165b78e2ef7ef04f894d9060148e1a91d115b596a5701855d7e4f1f4db09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d491165b78e2ef7ef04f894d9060148e1a91d115b596a5701855d7e4f1f4db09", kill_on_drop: false }`
[INFO] [stdout] d491165b78e2ef7ef04f894d9060148e1a91d115b596a5701855d7e4f1f4db09
