[INFO] cloning repository https://github.com/pingw33n/tsar [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pingw33n/tsar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpingw33n%2Ftsar", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpingw33n%2Ftsar'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d0875e0e88d03b6e93e7c6f27d02a83a824ef0e0 [INFO] testing pingw33n/tsar against beta-2021-01-01 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpingw33n%2Ftsar" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pingw33n/tsar on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/pingw33n/tsar [INFO] finished tweaking git repo https://github.com/pingw33n/tsar [INFO] tweaked toml for git repo https://github.com/pingw33n/tsar written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/pingw33n/tsar already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded array-macro v1.0.5 [INFO] [stderr] Downloaded enum-map-derive v0.4.3 [INFO] [stderr] Downloaded atomic_refcell v0.1.6 [INFO] [stderr] Downloaded num_enum_derive v0.5.0 [INFO] [stderr] Downloaded if_chain v1.0.0 [INFO] [stderr] Downloaded enum-map v0.6.2 [INFO] [stderr] Downloaded num_enum v0.5.0 [INFO] [stderr] Downloaded llvm-sys v100.1.0 [INFO] [stderr] Downloaded measure_time v0.6.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 812e577936701424b34fa58bcabfbf4b181e5d5beddf9918d72db3c1ffbca175 [INFO] running `Command { std: "docker" "start" "-a" "812e577936701424b34fa58bcabfbf4b181e5d5beddf9918d72db3c1ffbca175", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "812e577936701424b34fa58bcabfbf4b181e5d5beddf9918d72db3c1ffbca175", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "812e577936701424b34fa58bcabfbf4b181e5d5beddf9918d72db3c1ffbca175", kill_on_drop: false }` [INFO] [stdout] 812e577936701424b34fa58bcabfbf4b181e5d5beddf9918d72db3c1ffbca175 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c1eccbe0ddabf9a850ed04eb3239a305301f2bac7b6f4ca821dd73505b86deb5 [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" "c1eccbe0ddabf9a850ed04eb3239a305301f2bac7b6f4ca821dd73505b86deb5", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.36 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling regex-syntax v0.6.21 [INFO] [stderr] Compiling cc v1.0.58 [INFO] [stderr] Compiling libc v0.2.73 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling adler v0.2.3 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling gimli v0.22.0 [INFO] [stderr] Compiling object v0.20.0 [INFO] [stderr] Compiling array-macro v1.0.5 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling czar v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling atomic_refcell v0.1.6 [INFO] [stderr] Compiling arrayvec v0.5.1 [INFO] [stderr] Compiling if_chain v1.0.0 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling miniz_oxide v0.4.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling measure_time v0.6.0 [INFO] [stderr] Compiling aho-corasick v0.7.13 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling addr2line v0.13.0 [INFO] [stderr] Compiling regex v1.4.2 [INFO] [stderr] Compiling backtrace v0.3.50 [INFO] [stderr] Compiling toml v0.5.6 [INFO] [stderr] Compiling llvm-sys v100.1.0 [INFO] [stderr] Compiling proc-macro-crate v0.1.5 [INFO] [stderr] Compiling derivative v2.1.1 [INFO] [stderr] Compiling enum-map-derive v0.4.3 [INFO] [stderr] Compiling enum-as-inner v0.3.2 [INFO] [stderr] Compiling num_enum_derive v0.5.0 [INFO] [stderr] error: failed to run custom build command for `czar v0.1.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/czar-79eb83c77fa987d2/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:11:98 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55fc3e177427 - std::backtrace_rs::backtrace::libunwind::trace::hcd6e187547b8deec [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55fc3e177427 - std::backtrace_rs::backtrace::trace_unsynchronized::hde10036eb783fbc7 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55fc3e177427 - std::sys_common::backtrace::_print_fmt::h63987b8f86dfc82a [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55fc3e177427 - ::fmt::hc33f3ac4cc9c4196 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55fc3e18eb2c - core::fmt::write::hfdcdeb08fb2b3afa [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/fmt/mod.rs:1078:17 [INFO] [stderr] 5: 0x55fc3e175222 - std::io::Write::write_fmt::h83a843778fa2a815 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/io/mod.rs:1519:15 [INFO] [stderr] 6: 0x55fc3e179165 - std::sys_common::backtrace::_print::hf179508b01f66878 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55fc3e179165 - std::sys_common::backtrace::print::ha97d11adb39266a6 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55fc3e179165 - std::panicking::default_hook::{{closure}}::h8da9985a98bd1582 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55fc3e178cba - std::panicking::default_hook::hbc0ee792993c2ef2 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55fc3e179901 - std::panicking::rust_panic_with_hook::h9fb9cda33a10f084 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x55fc3e179447 - std::panicking::begin_panic_handler::{{closure}}::hf3e83396e085962e [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x55fc3e1778ec - std::sys_common::backtrace::__rust_end_short_backtrace::hac151ac4c1e3252d [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55fc3e1793a9 - rust_begin_unwind [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x55fc3e18df01 - core::panicking::panic_fmt::hf6d8a92b065b8f97 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55fc3e18dd23 - core::option::expect_none_failed::ha72f299eca314ad7 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/option.rs:1268:5 [INFO] [stderr] 16: 0x55fc3e153a4b - core::result::Result::unwrap::he0e74f07f308b6bd [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/result.rs:973:23 [INFO] [stderr] 17: 0x55fc3e159431 - build_script_build::generate_syn_test_input::hca20bd22250bbe5e [INFO] [stderr] at /opt/rustwide/workdir/build.rs:11:35 [INFO] [stderr] 18: 0x55fc3e15a549 - build_script_build::main::h398d5b026aa835b4 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:39:5 [INFO] [stderr] 19: 0x55fc3e154b5b - core::ops::function::FnOnce::call_once::hd8f93244ff1e095a [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 20: 0x55fc3e15a6fe - std::sys_common::backtrace::__rust_begin_short_backtrace::hcdf3ff70c61fe12f [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 21: 0x55fc3e1566e1 - std::rt::lang_start::{{closure}}::ha2a77991872e220c [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/rt.rs:66:18 [INFO] [stderr] 22: 0x55fc3e179d27 - core::ops::function::impls:: for &F>::call_once::hb5ab992a536e3d7c [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 23: 0x55fc3e179d27 - std::panicking::try::do_call::h1bda883686bc1816 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:379:40 [INFO] [stderr] 24: 0x55fc3e179d27 - std::panicking::try::ha7167c079f243e71 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:343:19 [INFO] [stderr] 25: 0x55fc3e179d27 - std::panic::catch_unwind::he11c3de53f0b5853 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panic.rs:396:14 [INFO] [stderr] 26: 0x55fc3e179d27 - std::rt::lang_start_internal::h45c3666b51d25060 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/rt.rs:51:25 [INFO] [stderr] 27: 0x55fc3e1566b7 - std::rt::lang_start::hd6e7fefefd2a93e5 [INFO] [stderr] at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/rt.rs:65:5 [INFO] [stderr] 28: 0x55fc3e15a5fa - main [INFO] [stderr] 29: 0x7fb93089f0b3 - __libc_start_main [INFO] [stderr] 30: 0x55fc3e14e0be - _start [INFO] [stderr] 31: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "c1eccbe0ddabf9a850ed04eb3239a305301f2bac7b6f4ca821dd73505b86deb5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1eccbe0ddabf9a850ed04eb3239a305301f2bac7b6f4ca821dd73505b86deb5", kill_on_drop: false }` [INFO] [stdout] c1eccbe0ddabf9a850ed04eb3239a305301f2bac7b6f4ca821dd73505b86deb5