[INFO] cloning repository https://github.com/ikrelln/ikrelln [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ikrelln/ikrelln" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fikrelln%2Fikrelln", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fikrelln%2Fikrelln'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 939c33aaaa58c373cfde985f997f7e2adf1a3151 [INFO] checking ikrelln/ikrelln against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fikrelln%2Fikrelln" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ikrelln/ikrelln on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ikrelln/ikrelln [INFO] finished tweaking git repo https://github.com/ikrelln/ikrelln [INFO] tweaked toml for git repo https://github.com/ikrelln/ikrelln written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/ikrelln/ikrelln already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2be55b5ca3d2ec611b6c9688523c5ffc9d4a4abb5e8c19bce46b9e7c3b83d66d [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" "2be55b5ca3d2ec611b6c9688523c5ffc9d4a4abb5e8c19bce46b9e7c3b83d66d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2be55b5ca3d2ec611b6c9688523c5ffc9d4a4abb5e8c19bce46b9e7c3b83d66d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2be55b5ca3d2ec611b6c9688523c5ffc9d4a4abb5e8c19bce46b9e7c3b83d66d", kill_on_drop: false }` [INFO] [stdout] 2be55b5ca3d2ec611b6c9688523c5ffc9d4a4abb5e8c19bce46b9e7c3b83d66d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 84ae1e25d64b7d98511956d4bc1f2c41c8eef7d56104d4979dd662a2fa66dc4e [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" "84ae1e25d64b7d98511956d4bc1f2c41c8eef7d56104d4979dd662a2fa66dc4e", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling cc v1.0.29 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking rustc-demangle v0.1.13 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Compiling crc32fast v1.1.2 [INFO] [stderr] Checking string v0.1.3 [INFO] [stderr] Compiling openssl v0.10.19 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking arc-swap v0.3.7 [INFO] [stderr] Compiling native-tls v0.2.2 [INFO] [stderr] Checking dtoa v0.4.3 [INFO] [stderr] Checking untrusted v0.6.2 [INFO] [stderr] Checking safemem v0.3.0 [INFO] [stderr] Compiling unicode-segmentation v1.2.1 [INFO] [stderr] Compiling pq-sys v0.4.6 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking termcolor v1.0.4 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Compiling ikrelln v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking tokio-sync v0.1.1 [INFO] [stderr] Checking tower-service v0.1.0 [INFO] [stderr] Compiling backtrace v0.3.13 [INFO] [stderr] Compiling rand_jitter v0.1.3 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking humantime v1.2.0 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.6.5 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling libc v0.2.48 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling v_escape v0.7.2 [INFO] [stderr] Compiling unicase v2.2.0 [INFO] [stderr] Compiling actix-web v0.7.19 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking smallvec v0.6.8 [INFO] [stderr] Checking encoding_rs v0.8.17 [INFO] [stderr] Checking num_cpus v1.9.0 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking socket2 v0.3.8 [INFO] [stderr] Checking hostname v0.1.5 [INFO] [stderr] Checking signal-hook v0.1.7 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking want v0.0.6 [INFO] [stderr] Checking fern v0.5.8 [INFO] [stderr] Checking rand_chacha v0.1.1 [INFO] [stderr] Checking tokio-executor v0.1.6 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking libflate v0.1.20 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking resolv-conf v0.6.2 [INFO] [stderr] Checking crossbeam-channel v0.3.8 [INFO] [stderr] Checking unicode-normalization v0.1.8 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Compiling rand_os v0.1.2 [INFO] [stderr] Checking tokio-io v0.1.11 [INFO] [stderr] Checking http v0.1.17 [INFO] [stderr] Checking tokio-timer v0.2.10 [INFO] [stderr] Checking tokio-current-thread v0.1.4 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Compiling nom v4.2.0 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Compiling brotli-sys v0.3.2 [INFO] [stderr] Compiling miniz-sys v0.1.11 [INFO] [stderr] Compiling ring v0.13.5 [INFO] [stderr] Checking phf_shared v0.7.24 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling openssl-sys v0.9.44 [INFO] [stderr] Checking mime v0.3.13 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Compiling syn v0.15.26 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking crossbeam-deque v0.6.3 [INFO] [stderr] Checking phf v0.7.24 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking flate2 v1.0.6 [INFO] [stderr] error: failed to run custom build command for `ikrelln v0.3.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/ikrelln-ef55d2b3194488c8/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', build.rs:88:58 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55688aa29220 - std::backtrace_rs::backtrace::libunwind::trace::h448c56741b6011d3 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5 [INFO] [stderr] 1: 0x55688aa29220 - std::backtrace_rs::backtrace::trace_unsynchronized::h881b9d30a8a89a0c [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55688aa29220 - std::sys_common::backtrace::_print_fmt::h720a2f61f75b9f58 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55688aa29220 - ::fmt::h8d62bbfda6d5c836 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55688aa4637c - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/core/src/fmt/mod.rs:1076:17 [INFO] [stderr] 5: 0x55688aa26d12 - std::io::Write::write_fmt::h16a9fe7680ac245c [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/io/mod.rs:1516:15 [INFO] [stderr] 6: 0x55688aa2b385 - std::sys_common::backtrace::_print::h9ba51a6db618de7d [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55688aa2b385 - std::sys_common::backtrace::print::h5f20e41c85e91716 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55688aa2b385 - std::panicking::default_hook::{{closure}}::h8d48653392f3b04c [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55688aa2b028 - std::panicking::default_hook::hb3948d1f74b6ff4c [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:227:9 [INFO] [stderr] 10: 0x55688aa2bac1 - std::panicking::rust_panic_with_hook::h55d23fef0ad751bc [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:593:17 [INFO] [stderr] 11: 0x55688aa2b607 - std::panicking::begin_panic_handler::{{closure}}::h56ae74c6dea6e141 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:499:13 [INFO] [stderr] 12: 0x55688aa296bc - std::sys_common::backtrace::__rust_end_short_backtrace::h3c4721f56689fae4 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55688aa2b569 - rust_begin_unwind [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:495:5 [INFO] [stderr] 14: 0x55688aa45691 - core::panicking::panic_fmt::hb15d6f55e8472f62 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55688aa454b3 - core::option::expect_none_failed::he492a18657d97593 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/core/src/option.rs:1268:5 [INFO] [stderr] 16: 0x55688aa0db4b - core::result::Result::unwrap::hc35ecd3f9b38f441 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/core/src/result.rs:973:23 [INFO] [stderr] 17: 0x55688aa1219d - build_script_build::main::hc4f39a6b5763125c [INFO] [stderr] at /opt/rustwide/workdir/build.rs:88:24 [INFO] [stderr] 18: 0x55688aa0edab - core::ops::function::FnOnce::call_once::hc0149804effd0321 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55688aa148de - std::sys_common::backtrace::__rust_begin_short_backtrace::h15f35b7d4c569107 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x55688aa136d1 - std::rt::lang_start::{{closure}}::h4b605fa905ee7a8b [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x55688aa2bee7 - core::ops::function::impls:: for &F>::call_once::h3f3ba5d1e0ce8d49 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55688aa2bee7 - std::panicking::try::do_call::hd7a374fc87b951e7 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:381:40 [INFO] [stderr] 23: 0x55688aa2bee7 - std::panicking::try::hcc68eba0f7d51b82 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:345:19 [INFO] [stderr] 24: 0x55688aa2bee7 - std::panic::catch_unwind::h2e8cfcfcf4f9eb6d [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panic.rs:382:14 [INFO] [stderr] 25: 0x55688aa2bee7 - std::rt::lang_start_internal::h8ff82302dd620b52 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x55688aa136a7 - std::rt::lang_start::hd3b516303985969f [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x55688aa125fa - main [INFO] [stderr] 28: 0x7f939d3c80b3 - __libc_start_main [INFO] [stderr] 29: 0x55688aa080ae - _start [INFO] [stderr] 30: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "84ae1e25d64b7d98511956d4bc1f2c41c8eef7d56104d4979dd662a2fa66dc4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84ae1e25d64b7d98511956d4bc1f2c41c8eef7d56104d4979dd662a2fa66dc4e", kill_on_drop: false }` [INFO] [stdout] 84ae1e25d64b7d98511956d4bc1f2c41c8eef7d56104d4979dd662a2fa66dc4e