[INFO] cloning repository https://github.com/nanotech/dhall-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nanotech/dhall-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnanotech%2Fdhall-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnanotech%2Fdhall-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5408abbbabd066f9ffbe030f9f0205dc56e5161c [INFO] checking nanotech/dhall-rs against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnanotech%2Fdhall-rs" "/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/nanotech/dhall-rs on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nanotech/dhall-rs [INFO] finished tweaking git repo https://github.com/nanotech/dhall-rs [INFO] tweaked toml for git repo https://github.com/nanotech/dhall-rs written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/nanotech/dhall-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "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] 08fb5aceaaa9e51157623dfcd902a95587199a1f1cbbbec73260a779d1574372 [INFO] running `Command { std: "docker" "start" "-a" "08fb5aceaaa9e51157623dfcd902a95587199a1f1cbbbec73260a779d1574372", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "08fb5aceaaa9e51157623dfcd902a95587199a1f1cbbbec73260a779d1574372", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "08fb5aceaaa9e51157623dfcd902a95587199a1f1cbbbec73260a779d1574372", kill_on_drop: false }` [INFO] [stdout] 08fb5aceaaa9e51157623dfcd902a95587199a1f1cbbbec73260a779d1574372 [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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dcaf2cae01f1bee8524f5d6a5f4816c9dc07edd642b038d9c51856fef3a42f82 [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" "dcaf2cae01f1bee8524f5d6a5f4816c9dc07edd642b038d9c51856fef3a42f82", kill_on_drop: false }` [INFO] [stderr] Compiling syn v0.15.39 [INFO] [stderr] Compiling serde v1.0.94 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling either v1.1.0 [INFO] [stderr] Compiling new_debug_unreachable v1.0.3 [INFO] [stderr] Compiling opaque-debug v0.2.2 [INFO] [stderr] Compiling fixedbitset v0.1.7 [INFO] [stderr] Compiling bit-vec v0.5.1 [INFO] [stderr] Compiling diff v0.1.10 [INFO] [stderr] Compiling lalrpop-util v0.17.1 [INFO] [stderr] Checking static_assertions v0.2.5 [INFO] [stderr] Checking bytecount v0.5.1 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling block-padding v0.1.4 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling regex-syntax v0.6.7 [INFO] [stderr] Compiling nom v5.0.0 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling memchr v2.2.0 [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 dirs v1.0.5 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling itertools v0.8.0 [INFO] [stderr] Compiling stackvector v1.0.6 [INFO] [stderr] Compiling lexical-core v0.4.2 [INFO] [stderr] Compiling bit-set v0.5.1 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling ena v0.13.0 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling aho-corasick v0.7.3 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling sha2 v0.8.0 [INFO] [stderr] Compiling ascii-canvas v2.0.0 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling string_cache_codegen v0.4.2 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Compiling regex v1.1.7 [INFO] [stderr] Compiling serde_derive v1.0.94 [INFO] [stderr] Compiling docopt v1.1.0 [INFO] [stderr] Compiling lalrpop v0.17.1 [INFO] [stderr] Compiling dhall v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `dhall v0.1.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/dhall-450ec8267f9d8cc4/build-script-build` (exit code: 101) [INFO] [stderr] --- stdout [INFO] [stderr] processing file `./src/grammar.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:7:10 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55cdcfd79f25 - backtrace::backtrace::libunwind::trace::hdc42e81315d2a69f [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55cdcfd79f25 - backtrace::backtrace::trace_unsynchronized::hc9edcf4d4fb0b42d [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55cdcfd79f25 - std::sys_common::backtrace::_print_fmt::hb93b171b1042fa52 [INFO] [stderr] at library/std/src/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55cdcfd79f25 - ::fmt::h589f1bf1cf74dd71 [INFO] [stderr] at library/std/src/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55cdcfd9d4ac - core::fmt::write::h3a043650ba7bf668 [INFO] [stderr] at library/core/src/fmt/mod.rs:1117 [INFO] [stderr] 5: 0x55cdcfd770a2 - std::io::Write::write_fmt::hbbad3ca30e02a58a [INFO] [stderr] at library/std/src/io/mod.rs:1510 [INFO] [stderr] 6: 0x55cdcfd7c3e0 - std::sys_common::backtrace::_print::h96b2d71887f0b186 [INFO] [stderr] at library/std/src/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55cdcfd7c3e0 - std::sys_common::backtrace::print::h6cd6e92e674a16a4 [INFO] [stderr] at library/std/src/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55cdcfd7c3e0 - std::panicking::default_hook::{{closure}}::h76820e280a7c9f14 [INFO] [stderr] at library/std/src/panicking.rs:198 [INFO] [stderr] 9: 0x55cdcfd7c12c - std::panicking::default_hook::h3c589b4200c4e9d0 [INFO] [stderr] at library/std/src/panicking.rs:217 [INFO] [stderr] 10: 0x55cdcfd7ca23 - std::panicking::rust_panic_with_hook::h99205632f2cac760 [INFO] [stderr] at library/std/src/panicking.rs:526 [INFO] [stderr] 11: 0x55cdcfd7c61b - rust_begin_unwind [INFO] [stderr] at library/std/src/panicking.rs:437 [INFO] [stderr] 12: 0x55cdcfd9bb61 - core::panicking::panic_fmt::h019ad16a92ccd092 [INFO] [stderr] at library/core/src/panicking.rs:85 [INFO] [stderr] 13: 0x55cdcfd9b983 - core::option::expect_none_failed::h7135ba2fdb185931 [INFO] [stderr] at library/core/src/option.rs:1273 [INFO] [stderr] 14: 0x55cdcf520793 - core::result::Result::unwrap::h198fe3e233a5bb15 [INFO] [stderr] at /rustc/7b3a7819371cef92a187e9bac8f7810ccde15216/library/core/src/result.rs:1005 [INFO] [stderr] 15: 0x55cdcf5202d3 - build_script_build::main::hda5e16ec4a3b768b [INFO] [stderr] at /opt/rustwide/workdir/build.rs:4 [INFO] [stderr] 16: 0x55cdcf52039b - std::rt::lang_start::{{closure}}::h04549e3929da95c2 [INFO] [stderr] at /rustc/7b3a7819371cef92a187e9bac8f7810ccde15216/library/std/src/rt.rs:67 [INFO] [stderr] 17: 0x55cdcfd7cdf3 - std::rt::lang_start_internal::{{closure}}::hb14aa68a79b4eb09 [INFO] [stderr] at library/std/src/rt.rs:52 [INFO] [stderr] 18: 0x55cdcfd7cdf3 - std::panicking::try::do_call::haffb1227d43d77f1 [INFO] [stderr] at library/std/src/panicking.rs:348 [INFO] [stderr] 19: 0x55cdcfd7cdf3 - std::panicking::try::hc085bbb3f48e6fb0 [INFO] [stderr] at library/std/src/panicking.rs:325 [INFO] [stderr] 20: 0x55cdcfd7cdf3 - std::panic::catch_unwind::h0d91c438fed06f5e [INFO] [stderr] at library/std/src/panic.rs:394 [INFO] [stderr] 21: 0x55cdcfd7cdf3 - std::rt::lang_start_internal::h9a2f79aa5e187e95 [INFO] [stderr] at library/std/src/rt.rs:51 [INFO] [stderr] 22: 0x55cdcf520377 - std::rt::lang_start::h993cf5b8d4db0eea [INFO] [stderr] at /rustc/7b3a7819371cef92a187e9bac8f7810ccde15216/library/std/src/rt.rs:67 [INFO] [stderr] 23: 0x55cdcf52032a - main [INFO] [stderr] 24: 0x7f77d321c0b3 - __libc_start_main [INFO] [stderr] 25: 0x55cdcf52019e - _start [INFO] [stderr] 26: 0x0 - [INFO] running `Command { std: "docker" "inspect" "dcaf2cae01f1bee8524f5d6a5f4816c9dc07edd642b038d9c51856fef3a42f82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dcaf2cae01f1bee8524f5d6a5f4816c9dc07edd642b038d9c51856fef3a42f82", kill_on_drop: false }` [INFO] [stdout] dcaf2cae01f1bee8524f5d6a5f4816c9dc07edd642b038d9c51856fef3a42f82