[INFO] cloning repository https://github.com/matthewsanetra/gravitas [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matthewsanetra/gravitas" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthewsanetra%2Fgravitas", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthewsanetra%2Fgravitas'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 095eb507bd4acefb9b8d3441c242d8c9620df5a3 [INFO] checking matthewsanetra/gravitas against beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthewsanetra%2Fgravitas" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/matthewsanetra/gravitas on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/matthewsanetra/gravitas [INFO] finished tweaking git repo https://github.com/matthewsanetra/gravitas [INFO] tweaked toml for git repo https://github.com/matthewsanetra/gravitas written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/matthewsanetra/gravitas already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta" "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] fc9bc2d72dcc4db632f900b6ff8e07d2d0f5d43b55a357806d60b3d2b18c2d66 [INFO] running `Command { std: "docker" "start" "-a" "fc9bc2d72dcc4db632f900b6ff8e07d2d0f5d43b55a357806d60b3d2b18c2d66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fc9bc2d72dcc4db632f900b6ff8e07d2d0f5d43b55a357806d60b3d2b18c2d66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc9bc2d72dcc4db632f900b6ff8e07d2d0f5d43b55a357806d60b3d2b18c2d66", kill_on_drop: false }` [INFO] [stdout] fc9bc2d72dcc4db632f900b6ff8e07d2d0f5d43b55a357806d60b3d2b18c2d66 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 92d6cb9ce110ed9df51019be193cacfaa80cdab5da9c18096cb5fca74eca668d [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" "92d6cb9ce110ed9df51019be193cacfaa80cdab5da9c18096cb5fca74eca668d", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.42 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling bit-vec v0.6.2 [INFO] [stderr] Compiling diff v0.1.12 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling ena v0.14.0 [INFO] [stderr] Compiling petgraph v0.5.1 [INFO] [stderr] Checking lalrpop-util v0.19.1 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling sha2 v0.8.2 [INFO] [stderr] Compiling ascii-canvas v2.0.0 [INFO] [stderr] Compiling serde_derive v1.0.116 [INFO] [stderr] Compiling serde v1.0.116 [INFO] [stderr] Compiling docopt v1.1.0 [INFO] [stderr] Compiling string_cache v0.8.0 [INFO] [stderr] Compiling lalrpop v0.19.1 [INFO] [stderr] Compiling gravitas v0.0.0 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `gravitas v0.0.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/gravitas-1909c2b080dff4f5/build-script-build` (exit code: 101) [INFO] [stderr] --- stdout [INFO] [stderr] processing file `./src/parser/language.lalrpop` [INFO] [stderr] [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:5:10 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5579a2d33aa0 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96 [INFO] [stderr] 1: 0x5579a2d33aa0 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/../../backtrace/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5579a2d33aa0 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678 [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/sys_common/backtrace.rs:79 [INFO] [stderr] 3: 0x5579a2d33aa0 - ::fmt::h1e0bdbb35e83deca [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/sys_common/backtrace.rs:58 [INFO] [stderr] 4: 0x5579a2d525bc - core::fmt::write::he67f9b17bcb7ee73 [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/core/src/fmt/mod.rs:1080 [INFO] [stderr] 5: 0x5579a2d30982 - std::io::Write::write_fmt::hac97d5cb5753e2ec [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/io/mod.rs:1516 [INFO] [stderr] 6: 0x5579a2d35cbd - std::sys_common::backtrace::_print::haa20918e28a126c5 [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/sys_common/backtrace.rs:61 [INFO] [stderr] 7: 0x5579a2d35cbd - std::sys_common::backtrace::print::h49e772a4873d9076 [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/sys_common/backtrace.rs:48 [INFO] [stderr] 8: 0x5579a2d35cbd - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11 [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/panicking.rs:208 [INFO] [stderr] 9: 0x5579a2d35968 - std::panicking::default_hook::h63997b7b949e1ce0 [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/panicking.rs:227 [INFO] [stderr] 10: 0x5579a2d363a1 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3 [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/panicking.rs:577 [INFO] [stderr] 11: 0x5579a2d35f49 - std::panicking::begin_panic_handler::{{closure}}::h8b43445b254eeb30 [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/panicking.rs:484 [INFO] [stderr] 12: 0x5579a2d33f2c - std::sys_common::backtrace::__rust_end_short_backtrace::hacd691450edfeae0 [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/sys_common/backtrace.rs:153 [INFO] [stderr] 13: 0x5579a2d35f09 - rust_begin_unwind [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/panicking.rs:483 [INFO] [stderr] 14: 0x5579a2d50bb1 - core::panicking::panic_fmt::h5b17d4a0e853d0f5 [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/core/src/panicking.rs:85 [INFO] [stderr] 15: 0x5579a2d509d3 - core::option::expect_none_failed::hd08bf36cae411fff [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/core/src/option.rs:1234 [INFO] [stderr] 16: 0x5579a2480333 - core::result::Result::unwrap::h90a1aa1148826ac2 [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/core/src/result.rs:973 [INFO] [stderr] 17: 0x5579a2480483 - build_script_build::main::h409d23618f69318a [INFO] [stderr] at /opt/rustwide/workdir/build.rs:2 [INFO] [stderr] 18: 0x5579a248074b - core::ops::function::FnOnce::call_once::h2e50b40cb777cdbb [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/core/src/ops/function.rs:227 [INFO] [stderr] 19: 0x5579a248019e - std::sys_common::backtrace::__rust_begin_short_backtrace::h0ada06f85e7562b1 [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/sys_common/backtrace.rs:137 [INFO] [stderr] 20: 0x5579a2480241 - std::rt::lang_start::{{closure}}::h4681fe5d229ebf63 [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/rt.rs:66 [INFO] [stderr] 21: 0x5579a2d367c7 - core::ops::function::impls:: for &F>::call_once::h908982dfc31b926f [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/core/src/ops/function.rs:259 [INFO] [stderr] 22: 0x5579a2d367c7 - std::panicking::try::do_call::h92777899503b7584 [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/panicking.rs:381 [INFO] [stderr] 23: 0x5579a2d367c7 - std::panicking::try::h8815656b2b76e792 [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/panicking.rs:345 [INFO] [stderr] 24: 0x5579a2d367c7 - std::panic::catch_unwind::h112ab81228f50b46 [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/panic.rs:382 [INFO] [stderr] 25: 0x5579a2d367c7 - std::rt::lang_start_internal::h1772a706c7575c24 [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/rt.rs:51 [INFO] [stderr] 26: 0x5579a2480217 - std::rt::lang_start::hfcb39e82fba94560 [INFO] [stderr] at /rustc/1219014599fd873fcb640b675d8a662150c74e40/library/std/src/rt.rs:65 [INFO] [stderr] 27: 0x5579a24804da - main [INFO] [stderr] 28: 0x7facc3a970b3 - __libc_start_main [INFO] [stderr] 29: 0x5579a24800ce - _start [INFO] [stderr] 30: 0x0 - [INFO] running `Command { std: "docker" "inspect" "92d6cb9ce110ed9df51019be193cacfaa80cdab5da9c18096cb5fca74eca668d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92d6cb9ce110ed9df51019be193cacfaa80cdab5da9c18096cb5fca74eca668d", kill_on_drop: false }` [INFO] [stdout] 92d6cb9ce110ed9df51019be193cacfaa80cdab5da9c18096cb5fca74eca668d