[INFO] cloning repository https://github.com/cadet-robotics/mkprop [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cadet-robotics/mkprop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcadet-robotics%2Fmkprop", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcadet-robotics%2Fmkprop'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4103a3b0a8bbe667f84c458c0f7b439aed234ce4 [INFO] checking cadet-robotics/mkprop against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcadet-robotics%2Fmkprop" "/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/cadet-robotics/mkprop on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cadet-robotics/mkprop [INFO] finished tweaking git repo https://github.com/cadet-robotics/mkprop [INFO] tweaked toml for git repo https://github.com/cadet-robotics/mkprop written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/cadet-robotics/mkprop already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ena v0.14.0 [INFO] [stderr] Downloaded cesu8 v1.1.0 [INFO] [stderr] Downloaded diff v0.1.12 [INFO] [stderr] Downloaded lalrpop v0.19.0 [INFO] [stderr] Downloaded lalrpop-util v0.19.0 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0318ad1e041af6b273773a8ab1037e5a8ec1d1c8a603b4d4744986c2c15f5f9d [INFO] running `Command { std: "docker" "start" "-a" "0318ad1e041af6b273773a8ab1037e5a8ec1d1c8a603b4d4744986c2c15f5f9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0318ad1e041af6b273773a8ab1037e5a8ec1d1c8a603b4d4744986c2c15f5f9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0318ad1e041af6b273773a8ab1037e5a8ec1d1c8a603b4d4744986c2c15f5f9d", kill_on_drop: false }` [INFO] [stdout] 0318ad1e041af6b273773a8ab1037e5a8ec1d1c8a603b4d4744986c2c15f5f9d [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1e2ef983dcbf48dc257289135971ee4f4d532ea34485fcf2b1946ce11e6974ec [INFO] running `Command { std: "docker" "start" "-a" "1e2ef983dcbf48dc257289135971ee4f4d532ea34485fcf2b1946ce11e6974ec", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling libc v0.2.72 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling syn v1.0.35 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling siphasher v0.3.3 [INFO] [stderr] Compiling bit-vec v0.6.2 [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling diff v0.1.12 [INFO] [stderr] Checking cesu8 v1.1.0 [INFO] [stderr] Compiling hashbrown v0.8.1 [INFO] [stderr] Compiling indexmap v1.5.0 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling block-padding v0.1.5 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling ena v0.14.0 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling aho-corasick v0.7.13 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Compiling petgraph v0.5.1 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling ascii-canvas v2.0.0 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling sha2 v0.8.2 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking lalrpop-util v0.19.0 [INFO] [stderr] Compiling docopt v1.1.0 [INFO] [stderr] Compiling string_cache v0.8.0 [INFO] [stderr] Compiling lalrpop v0.19.0 [INFO] [stderr] Compiling mkprop v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `mkprop v0.1.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/mkprop-fbdb06244d56f9bb/build-script-build` (exit status: 101) [INFO] [stderr] --- stdout [INFO] [stderr] processing file `./src/parse/parse_inner.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: 0x56442c0e32f0 - std::backtrace_rs::backtrace::libunwind::trace::hfa838fc631229987 [INFO] [stderr] at /rustc/e0f03aec47b100bc29555561bd62a99d1bc6aca5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x56442c0e32f0 - std::backtrace_rs::backtrace::trace_unsynchronized::h93a23e36ec026219 [INFO] [stderr] at /rustc/e0f03aec47b100bc29555561bd62a99d1bc6aca5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x56442c0e32f0 - std::sys_common::backtrace::_print_fmt::hba56c7f796a4152f [INFO] [stderr] at /rustc/e0f03aec47b100bc29555561bd62a99d1bc6aca5/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x56442c0e32f0 - ::fmt::h214637f1e26310e1 [INFO] [stderr] at /rustc/e0f03aec47b100bc29555561bd62a99d1bc6aca5/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x56442c102d3c - core::fmt::write::h7aa6cd0067dca82a [INFO] [stderr] at /rustc/e0f03aec47b100bc29555561bd62a99d1bc6aca5/library/core/src/fmt/mod.rs:1110:17 [INFO] [stderr] 5: 0x56442c0e0c35 - std::io::Write::write_fmt::heb07fc0616bbd06d [INFO] [stderr] at /rustc/e0f03aec47b100bc29555561bd62a99d1bc6aca5/library/std/src/io/mod.rs:1588:15 [INFO] [stderr] 6: 0x56442c0e526b - std::sys_common::backtrace::_print::h2c2441c37e894fb5 [INFO] [stderr] at /rustc/e0f03aec47b100bc29555561bd62a99d1bc6aca5/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x56442c0e526b - std::sys_common::backtrace::print::h4fb679ac439362ea [INFO] [stderr] at /rustc/e0f03aec47b100bc29555561bd62a99d1bc6aca5/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x56442c0e526b - std::panicking::default_hook::{{closure}}::h56bbadec2356e5d2 [INFO] [stderr] at /rustc/e0f03aec47b100bc29555561bd62a99d1bc6aca5/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x56442c0e4d41 - std::panicking::default_hook::hb25822b45f6fdc4e [INFO] [stderr] at /rustc/e0f03aec47b100bc29555561bd62a99d1bc6aca5/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x56442c0e5934 - std::panicking::rust_panic_with_hook::h4da5578e7277d2d4 [INFO] [stderr] at /rustc/e0f03aec47b100bc29555561bd62a99d1bc6aca5/library/std/src/panicking.rs:622:17 [INFO] [stderr] 11: 0x56442c0e5417 - std::panicking::begin_panic_handler::{{closure}}::h003783ddb3cba4e8 [INFO] [stderr] at /rustc/e0f03aec47b100bc29555561bd62a99d1bc6aca5/library/std/src/panicking.rs:519:13 [INFO] [stderr] 12: 0x56442c0e37cc - std::sys_common::backtrace::__rust_end_short_backtrace::hd138d2032731ed21 [INFO] [stderr] at /rustc/e0f03aec47b100bc29555561bd62a99d1bc6aca5/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x56442c0e5379 - rust_begin_unwind [INFO] [stderr] at /rustc/e0f03aec47b100bc29555561bd62a99d1bc6aca5/library/std/src/panicking.rs:515:5 [INFO] [stderr] 14: 0x56442b890751 - core::panicking::panic_fmt::hbe99dddd3092ba3c [INFO] [stderr] at /rustc/e0f03aec47b100bc29555561bd62a99d1bc6aca5/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x56442b890843 - core::result::unwrap_failed::hf79563fef9d11ab8 [INFO] [stderr] at /rustc/e0f03aec47b100bc29555561bd62a99d1bc6aca5/library/core/src/result.rs:1355:5 [INFO] [stderr] 16: 0x56442b891139 - core::result::Result::unwrap::ha747d14869f58479 [INFO] [stderr] at /rustc/e0f03aec47b100bc29555561bd62a99d1bc6aca5/library/core/src/result.rs:1037:23 [INFO] [stderr] 17: 0x56442b891681 - build_script_build::main::h1a1326ab553bbd45 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:4:5 [INFO] [stderr] 18: 0x56442b89150b - core::ops::function::FnOnce::call_once::hbe4665676055bc7f [INFO] [stderr] at /rustc/e0f03aec47b100bc29555561bd62a99d1bc6aca5/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x56442b8916de - std::sys_common::backtrace::__rust_begin_short_backtrace::h8c9256c5e24215b1 [INFO] [stderr] at /rustc/e0f03aec47b100bc29555561bd62a99d1bc6aca5/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x56442b891461 - std::rt::lang_start::{{closure}}::h2dc0364a3d3c4fa4 [INFO] [stderr] at /rustc/e0f03aec47b100bc29555561bd62a99d1bc6aca5/library/std/src/rt.rs:49:18 [INFO] [stderr] 21: 0x56442c0e5e39 - core::ops::function::impls:: for &F>::call_once::hd933294140eb11aa [INFO] [stderr] at /rustc/e0f03aec47b100bc29555561bd62a99d1bc6aca5/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x56442c0e5e39 - std::panicking::try::do_call::h8342fe3d9218b807 [INFO] [stderr] at /rustc/e0f03aec47b100bc29555561bd62a99d1bc6aca5/library/std/src/panicking.rs:401:40 [INFO] [stderr] 23: 0x56442c0e5e39 - std::panicking::try::hcbd73d6d0d58a8f0 [INFO] [stderr] at /rustc/e0f03aec47b100bc29555561bd62a99d1bc6aca5/library/std/src/panicking.rs:365:19 [INFO] [stderr] 24: 0x56442c0e5e39 - std::panic::catch_unwind::hde9cf73f810acfcc [INFO] [stderr] at /rustc/e0f03aec47b100bc29555561bd62a99d1bc6aca5/library/std/src/panic.rs:434:14 [INFO] [stderr] 25: 0x56442c0e5e39 - std::rt::lang_start_internal::heb39e7ea6e5d6f6f [INFO] [stderr] at /rustc/e0f03aec47b100bc29555561bd62a99d1bc6aca5/library/std/src/rt.rs:34:21 [INFO] [stderr] 26: 0x56442b891440 - std::rt::lang_start::h854310688316a8d4 [INFO] [stderr] at /rustc/e0f03aec47b100bc29555561bd62a99d1bc6aca5/library/std/src/rt.rs:48:5 [INFO] [stderr] 27: 0x56442b8916cc - main [INFO] [stderr] 28: 0x7f85d4d770b3 - __libc_start_main [INFO] [stderr] 29: 0x56442b890f4e - _start [INFO] [stderr] 30: 0x0 - [INFO] running `Command { std: "docker" "inspect" "1e2ef983dcbf48dc257289135971ee4f4d532ea34485fcf2b1946ce11e6974ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e2ef983dcbf48dc257289135971ee4f4d532ea34485fcf2b1946ce11e6974ec", kill_on_drop: false }` [INFO] [stdout] 1e2ef983dcbf48dc257289135971ee4f4d532ea34485fcf2b1946ce11e6974ec