[INFO] cloning repository https://github.com/digital-asset/rusty-engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/digital-asset/rusty-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdigital-asset%2Frusty-engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdigital-asset%2Frusty-engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a632c167307cf01b105e6ccfee8b503b19cdc48
[INFO] checking digital-asset/rusty-engine against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdigital-asset%2Frusty-engine" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/digital-asset/rusty-engine on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/digital-asset/rusty-engine
[INFO] finished tweaking git repo https://github.com/digital-asset/rusty-engine
[INFO] tweaked toml for git repo https://github.com/digital-asset/rusty-engine written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/digital-asset/rusty-engine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded protobuf-codegen v2.14.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.11
[INFO] [stderr]   Downloaded protobuf-codegen-pure v2.14.0
[INFO] [stderr]   Downloaded protobuf v2.14.0
[INFO] [stderr]   Downloaded libflate v0.1.26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 795aa2412f95c01dd604269625a82d41022d64ae734b9a351cfc8d64b40c54fc
[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" "795aa2412f95c01dd604269625a82d41022d64ae734b9a351cfc8d64b40c54fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "795aa2412f95c01dd604269625a82d41022d64ae734b9a351cfc8d64b40c54fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "795aa2412f95c01dd604269625a82d41022d64ae734b9a351cfc8d64b40c54fc", kill_on_drop: false }`
[INFO] [stdout] 795aa2412f95c01dd604269625a82d41022d64ae734b9a351cfc8d64b40c54fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4262eb35b35fa19258d4bba871534d2fbed8da3100f95dc4706ad863e0f0374b
[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" "4262eb35b35fa19258d4bba871534d2fbed8da3100f95dc4706ad863e0f0374b", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling proc-macro2 v1.0.11
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking opaque-debug v0.2.2
[INFO] [stderr]     Checking podio v0.1.6
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking block-padding v0.1.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking miniz_oxide v0.3.5
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking plotters v0.2.12
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling protobuf-codegen-pure v2.14.0
[INFO] [stderr]     Checking libflate v0.1.26
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]     Checking bigdecimal v0.1.2
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking criterion-plot v0.4.2
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling rusty-engine v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking zip v0.5.5
[INFO] [stderr] error: failed to run custom build command for `rusty-engine v0.0.1 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rusty-engine-507b5ff72d2b0e4e/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'mkdir -p: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', build.rs:12:38
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55a839a0d4cc - std::backtrace_rs::backtrace::libunwind::trace::ha21b6ba3016b6364
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55a839a0d4cc - std::backtrace_rs::backtrace::trace_unsynchronized::hf515241a118c4e5a
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55a839a0d4cc - std::sys_common::backtrace::_print_fmt::h339cd474d88b8467
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55a839a0d4cc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h06b8f714a0700be1
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55a839a2caec - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/core/src/fmt/mod.rs:1150:17
[INFO] [stderr]      5:     0x55a839a0b375 - std::io::Write::write_fmt::hb1c61d571fcd8cbf
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/io/mod.rs:1667:15
[INFO] [stderr]      6:     0x55a839a0ebb0 - std::sys_common::backtrace::_print::hcd1fe1237ea0c752
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55a839a0ebb0 - std::sys_common::backtrace::print::hae7d6625a78cd32e
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55a839a0ebb0 - std::panicking::default_hook::{{closure}}::h9a7fffa4e6b396ed
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panicking.rs:210:50
[INFO] [stderr]      9:     0x55a839a0e76b - std::panicking::default_hook::h5dc58e323cddd123
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panicking.rs:227:9
[INFO] [stderr]     10:     0x55a839a0f264 - std::panicking::rust_panic_with_hook::hbef17e4338d7de57
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panicking.rs:624:17
[INFO] [stderr]     11:     0x55a839a0ed40 - std::panicking::begin_panic_handler::{{closure}}::hd8a92a4b1c3baae0
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panicking.rs:521:13
[INFO] [stderr]     12:     0x55a839a0d994 - std::sys_common::backtrace::__rust_end_short_backtrace::ha5ac263a7609ace8
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55a839a0eca9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panicking.rs:517:5
[INFO] [stderr]     14:     0x55a8397a9eb1 - core::panicking::panic_fmt::hcf5f6d96e1dd7099
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/core/src/panicking.rs:101:14
[INFO] [stderr]     15:     0x55a8397a9fa3 - core::result::unwrap_failed::he898b02f57993c42
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/core/src/result.rs:1617:5
[INFO] [stderr]     16:     0x55a8397abf18 - core::result::Result<T,E>::expect::h3d9d5ec0259b25a4
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/core/src/result.rs:1259:23
[INFO] [stderr]     17:     0x55a8397ac007 - build_script_build::main::h765d30fe42c43b9c
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:12:5
[INFO] [stderr]     18:     0x55a8397ab3eb - core::ops::function::FnOnce::call_once::h762355a9995b49fb
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x55a8397ab31e - std::sys_common::backtrace::__rust_begin_short_backtrace::h5399309a29a07045
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x55a8397abe81 - std::rt::lang_start::{{closure}}::hefd811fa5ed18ed0
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/rt.rs:63:18
[INFO] [stderr]     21:     0x55a839a0f76a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hc9bc8961e4809a14
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x55a839a0f76a - std::panicking::try::do_call::h6f00e12df2af6579
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panicking.rs:403:40
[INFO] [stderr]     23:     0x55a839a0f76a - std::panicking::try::h588c31a0a9a8ad2c
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panicking.rs:367:19
[INFO] [stderr]     24:     0x55a839a0f76a - std::panic::catch_unwind::h8ebc4fcb0e51bec0
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panic.rs:129:14
[INFO] [stderr]     25:     0x55a839a0f76a - std::rt::lang_start_internal::{{closure}}::had93e50fbfd893a1
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/rt.rs:45:48
[INFO] [stderr]     26:     0x55a839a0f76a - std::panicking::try::do_call::hf70c5056d8b410b7
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panicking.rs:403:40
[INFO] [stderr]     27:     0x55a839a0f76a - std::panicking::try::h0c680320de5deb84
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panicking.rs:367:19
[INFO] [stderr]     28:     0x55a839a0f76a - std::panic::catch_unwind::h7b94a99f13366c53
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panic.rs:129:14
[INFO] [stderr]     29:     0x55a839a0f76a - std::rt::lang_start_internal::hca14fb2549072049
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/rt.rs:45:20
[INFO] [stderr]     30:     0x55a8397abe50 - std::rt::lang_start::hc4cd6ca25e455691
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/rt.rs:62:5
[INFO] [stderr]     31:     0x55a8397ac12c - main
[INFO] [stderr]     32:     0x7fa727b9f0b3 - __libc_start_main
[INFO] [stderr]     33:     0x55a8397aa66e - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4262eb35b35fa19258d4bba871534d2fbed8da3100f95dc4706ad863e0f0374b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4262eb35b35fa19258d4bba871534d2fbed8da3100f95dc4706ad863e0f0374b", kill_on_drop: false }`
[INFO] [stdout] 4262eb35b35fa19258d4bba871534d2fbed8da3100f95dc4706ad863e0f0374b