[INFO] cloning repository https://github.com/iulianR/pongs-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iulianR/pongs-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiulianR%2Fpongs-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiulianR%2Fpongs-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ef46ef2acbd94f77e47b3334ac556b25db24e9be [INFO] testing iulianR/pongs-rs against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiulianR%2Fpongs-rs" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/iulianR/pongs-rs on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/iulianR/pongs-rs [INFO] finished tweaking git repo https://github.com/iulianR/pongs-rs [INFO] tweaked toml for git repo https://github.com/iulianR/pongs-rs written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/iulianR/pongs-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 105a68e9ec99532d472c68c6e3a3b82e241117e93142068895918fda0091e37d [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" "105a68e9ec99532d472c68c6e3a3b82e241117e93142068895918fda0091e37d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "105a68e9ec99532d472c68c6e3a3b82e241117e93142068895918fda0091e37d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "105a68e9ec99532d472c68c6e3a3b82e241117e93142068895918fda0091e37d", kill_on_drop: false }` [INFO] [stdout] 105a68e9ec99532d472c68c6e3a3b82e241117e93142068895918fda0091e37d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c72f11b17d4b9840fcf2d0f112b5f06efab8952f524c36a5e07d866225b57bc8 [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" "c72f11b17d4b9840fcf2d0f112b5f06efab8952f524c36a5e07d866225b57bc8", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling syn v0.15.39 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling serde v1.0.94 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling rand_core v0.4.0 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling nodrop v0.1.13 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling either v1.5.2 [INFO] [stderr] Compiling rustc-demangle v0.1.15 [INFO] [stderr] Compiling rayon-core v1.5.0 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling xml-rs v0.8.0 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling num-bigint v0.2.2 [INFO] [stderr] Compiling atom v0.3.5 [INFO] [stderr] Compiling same-file v1.0.4 [INFO] [stderr] Compiling regex v1.1.7 [INFO] [stderr] Compiling downcast-rs v1.0.4 [INFO] [stderr] Compiling utf8-ranges v1.0.3 [INFO] [stderr] Compiling mint v0.5.1 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling quick-error v1.2.2 [INFO] [stderr] Compiling termcolor v1.0.5 [INFO] [stderr] Compiling nonzero_signed v1.0.3 [INFO] [stderr] Compiling mopa v0.2.2 [INFO] [stderr] Compiling shrev v1.1.1 [INFO] [stderr] Compiling colorful v0.2.1 [INFO] [stderr] Compiling tuple_utils v0.2.0 [INFO] [stderr] Compiling edit-distance v2.1.0 [INFO] [stderr] Compiling cgmath v0.16.1 [INFO] [stderr] Compiling static_assertions v0.2.5 [INFO] [stderr] Compiling objekt v0.1.2 [INFO] [stderr] Compiling openssl v0.10.23 [INFO] [stderr] Compiling winapi v0.3.7 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Compiling static_assertions v0.3.3 [INFO] [stderr] Compiling xi-unicode v0.1.0 [INFO] [stderr] Compiling dtoa v0.4.4 [INFO] [stderr] Compiling rgb v0.8.13 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling float-ord v0.2.0 [INFO] [stderr] Compiling fluent-locale v0.4.1 [INFO] [stderr] Compiling hashbrown v0.5.0 [INFO] [stderr] Compiling unicode-segmentation v1.3.0 [INFO] [stderr] Compiling httpdate v0.3.2 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling backtrace-sys v0.1.29 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling libloading v0.5.1 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Compiling cmake v0.1.40 [INFO] [stderr] Compiling proc-macro2 v0.3.8 [INFO] [stderr] Compiling minimp3-sys v0.3.1 [INFO] [stderr] Compiling miniz_oxide_c_api v0.2.1 [INFO] [stderr] Compiling bincode v1.1.4 [INFO] [stderr] Compiling x11 v2.18.1 [INFO] [stderr] Compiling openssl-sys v0.9.47 [INFO] [stderr] Compiling alsa-sys v0.1.2 [INFO] [stderr] Compiling servo-fontconfig-sys v4.0.7 [INFO] [stderr] Compiling tokio-sync v0.1.6 [INFO] [stderr] Compiling unicase v2.4.0 [INFO] [stderr] Compiling error-chain v0.12.1 [INFO] [stderr] Compiling inflate v0.4.5 [INFO] [stderr] Compiling try_from v0.3.2 [INFO] [stderr] Compiling crossbeam-utils v0.6.5 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling tokio-trace-core v0.2.0 [INFO] [stderr] Compiling regex-syntax v0.6.7 [INFO] [stderr] Compiling itertools v0.7.11 [INFO] [stderr] Compiling walkdir v2.2.8 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling gif v0.10.2 [INFO] [stderr] Compiling humantime v1.2.0 [INFO] [stderr] Compiling matrixmultiply v0.2.2 [INFO] [stderr] Compiling annotate-snippets v0.1.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling servo-freetype-sys v4.0.5 [INFO] [stderr] Compiling expat-sys v2.1.6 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling tokio-executor v0.1.7 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling encoding_rs v0.8.17 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Compiling stb_truetype v0.2.6 [INFO] [stderr] Compiling rustc-hash v1.0.1 [INFO] [stderr] Compiling deflate v0.7.19 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling ogg v0.7.0 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling err-derive v0.1.5 [INFO] [stderr] Compiling stackvector v1.0.6 [INFO] [stderr] Compiling lexical-core v0.4.2 [INFO] [stderr] Compiling lexical v2.2.1 [INFO] [stderr] Compiling hyper v0.12.31 [INFO] [stderr] Compiling im v12.3.4 [INFO] [stderr] Compiling sentry v0.15.5 [INFO] [stderr] Compiling rustc_version_runtime v0.1.5 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling fluent-syntax v0.1.1 [INFO] [stderr] Compiling syn v0.13.11 [INFO] [stderr] Compiling tokio-current-thread v0.1.6 [INFO] [stderr] Compiling tokio-timer v0.2.11 [INFO] [stderr] Compiling wayland-scanner v0.21.13 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Compiling crossbeam-epoch v0.7.1 [INFO] [stderr] Compiling crossbeam-epoch v0.6.1 [INFO] [stderr] Compiling crossbeam-epoch v0.5.2 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling num_cpus v1.10.1 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling memmap v0.7.0 [INFO] [stderr] Compiling x11-dl v2.18.3 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling shared_library v0.1.9 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling slice-deque v0.2.4 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling memmap v0.6.2 [INFO] [stderr] Compiling hostname v0.1.5 [INFO] [stderr] Compiling uname v0.1.1 [INFO] [stderr] Compiling dlib v0.4.1 [INFO] [stderr] Compiling xcb v0.8.2 [INFO] [stderr] error: failed to run custom build command for `rustc_version_runtime v0.1.5` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/rustc_version_runtime-ecb619728eb312ae/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" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27:48 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x557490e9c9d0 - std::backtrace_rs::backtrace::libunwind::trace::h95fc93571932622e [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x557490e9c9d0 - std::backtrace_rs::backtrace::trace_unsynchronized::h4d0b90afc33151fd [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x557490e9c9d0 - std::sys_common::backtrace::_print_fmt::h93d302d001a3bf01 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x557490e9c9d0 - ::fmt::h7881e3a580134f9a [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x557490ebabcc - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/fmt/mod.rs:1078:17 [INFO] [stderr] 5: 0x557490e9a222 - std::io::Write::write_fmt::h24485de26f355188 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/io/mod.rs:1519:15 [INFO] [stderr] 6: 0x557490e9ec95 - std::sys_common::backtrace::_print::h3e3f9fed81bc11e9 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x557490e9ec95 - std::sys_common::backtrace::print::hd22ac23fed5071c8 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x557490e9ec95 - std::panicking::default_hook::{{closure}}::h1647bdcf68060e17 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x557490e9e7ea - std::panicking::default_hook::hb08853b392b9404b [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x557490e9f431 - std::panicking::rust_panic_with_hook::h3624ee29da369ede [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x557490e9ef77 - std::panicking::begin_panic_handler::{{closure}}::hefcfcedcde6bb6d9 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x557490e9ce8c - std::sys_common::backtrace::__rust_end_short_backtrace::heb130cec93caa706 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x557490e9eed9 - rust_begin_unwind [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x557490eb9f71 - core::panicking::panic_fmt::hb15d6f55e8472f62 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x557490eb9d93 - core::option::expect_none_failed::he492a18657d97593 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/option.rs:1268:5 [INFO] [stderr] 16: 0x557490e67fcb - core::result::Result::unwrap::hd5e3dc828a3db612 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/result.rs:973:23 [INFO] [stderr] 17: 0x557490e64744 - build_script_build::main::hc61f99cabfc3fbe6 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27:17 [INFO] [stderr] 18: 0x557490e6613b - core::ops::function::FnOnce::call_once::h8a8d6a5782624f4a [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x557490e6600e - std::sys_common::backtrace::__rust_begin_short_backtrace::h937740ca2632c730 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x557490e66601 - std::rt::lang_start::{{closure}}::h6f20b980b30f401b [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x557490e9f857 - core::ops::function::impls:: for &F>::call_once::h194d6aa01fb6b594 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x557490e9f857 - std::panicking::try::do_call::h4ef477456776cccb [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x557490e9f857 - std::panicking::try::h7f2121b6bb3bbca4 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x557490e9f857 - std::panic::catch_unwind::he974d0ca04309948 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panic.rs:396:14 [INFO] [stderr] 25: 0x557490e9f857 - std::rt::lang_start_internal::h36e9e78490120b9f [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x557490e665d7 - std::rt::lang_start::h06d31ce6ccb5e25a [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x557490e657ba - main [INFO] [stderr] 28: 0x7f21fa42c0b3 - __libc_start_main [INFO] [stderr] 29: 0x557490e640ae - _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" "c72f11b17d4b9840fcf2d0f112b5f06efab8952f524c36a5e07d866225b57bc8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c72f11b17d4b9840fcf2d0f112b5f06efab8952f524c36a5e07d866225b57bc8", kill_on_drop: false }` [INFO] [stdout] c72f11b17d4b9840fcf2d0f112b5f06efab8952f524c36a5e07d866225b57bc8