[INFO] cloning repository https://github.com/roast-rs/roast [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/roast-rs/roast" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froast-rs%2Froast", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froast-rs%2Froast'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cb9f2150ffc8096a3730d14181ad181dbcb094d3 [INFO] testing roast-rs/roast against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froast-rs%2Froast" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/roast-rs/roast on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/roast-rs/roast [INFO] finished tweaking git repo https://github.com/roast-rs/roast [INFO] tweaked toml for git repo https://github.com/roast-rs/roast written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/roast-rs/roast already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded structopt-derive v0.4.0 [INFO] [stderr] Downloaded siphasher v0.3.3 [INFO] [stderr] Downloaded phf v0.8.0 [INFO] [stderr] Downloaded serde_derive v1.0.71 [INFO] [stderr] Downloaded syn v0.14.8 [INFO] [stderr] Downloaded combine v4.2.1 [INFO] [stderr] Downloaded includedir v0.6.0 [INFO] [stderr] Downloaded flate2 v1.0.16 [INFO] [stderr] Downloaded vcpkg v0.2.5 [INFO] [stderr] Downloaded adler v0.2.3 [INFO] [stderr] Downloaded miniz_oxide v0.4.0 [INFO] [stderr] Downloaded phf_codegen v0.8.0 [INFO] [stderr] Downloaded matches v0.1.7 [INFO] [stderr] Downloaded pkg-config v0.3.13 [INFO] [stderr] Downloaded serde_json v1.0.26 [INFO] [stderr] Downloaded failure v0.1.2 [INFO] [stderr] Downloaded cesu8 v1.1.0 [INFO] [stderr] Downloaded synstructure v0.9.0 [INFO] [stderr] Downloaded phf_generator v0.8.0 [INFO] [stderr] Downloaded jobserver v0.1.21 [INFO] [stderr] Downloaded openssl-sys v0.9.35 [INFO] [stderr] Downloaded syn v1.0.11 [INFO] [stderr] Downloaded jni v0.17.0 [INFO] [stderr] Downloaded structopt v0.3.7 [INFO] [stderr] Downloaded rustc-demangle v0.1.9 [INFO] [stderr] Downloaded failure_derive v0.1.2 [INFO] [stderr] Downloaded regex v1.0.2 [INFO] [stderr] Downloaded includedir_codegen v0.6.0 [INFO] [stderr] Downloaded phf_shared v0.8.0 [INFO] [stderr] Downloaded rand_pcg v0.2.1 [INFO] [stderr] Downloaded proc-macro-error v0.4.12 [INFO] [stderr] Downloaded proc-macro-error-attr v0.4.12 [INFO] [stderr] Downloaded ryu v0.2.3 [INFO] [stderr] Downloaded proc-macro2 v1.0.1 [INFO] [stderr] Downloaded serde v1.0.71 [INFO] [stderr] Downloaded regex-syntax v0.6.2 [INFO] [stderr] Downloaded git2 v0.13.8 [INFO] [stderr] Downloaded libz-sys v1.0.25 [INFO] [stderr] Downloaded libc v0.2.73 [INFO] [stderr] Downloaded backtrace-sys v0.1.24 [INFO] [stderr] Downloaded loggerv v0.7.1 [INFO] [stderr] Downloaded libgit2-sys v0.12.9+1.0.1 [INFO] [stderr] Downloaded libssh2-sys v0.2.11 [INFO] [stderr] Downloaded Inflector v0.11.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f29b9482df4d0810be952de5c1ad50878295cbd4a097f8adec5011da3993c071 [INFO] running `Command { std: "docker" "start" "-a" "f29b9482df4d0810be952de5c1ad50878295cbd4a097f8adec5011da3993c071", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f29b9482df4d0810be952de5c1ad50878295cbd4a097f8adec5011da3993c071", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f29b9482df4d0810be952de5c1ad50878295cbd4a097f8adec5011da3993c071", kill_on_drop: false }` [INFO] [stdout] f29b9482df4d0810be952de5c1ad50878295cbd4a097f8adec5011da3993c071 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ef9dd5fe299c24f2a0f132254eee5c36cac109de7e6fd26d5d8e67d284b3b7d7 [INFO] running `Command { std: "docker" "start" "-a" "ef9dd5fe299c24f2a0f132254eee5c36cac109de7e6fd26d5d8e67d284b3b7d7", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.73 [INFO] [stderr] Compiling proc-macro2 v1.0.1 [INFO] [stderr] Compiling proc-macro2 v0.4.13 [INFO] [stderr] Compiling pkg-config v0.3.13 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling same-file v1.0.2 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling siphasher v0.3.3 [INFO] [stderr] Compiling regex v1.0.2 [INFO] [stderr] Compiling utf8-ranges v1.0.0 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling ryu v0.2.3 [INFO] [stderr] Compiling serde v1.0.71 [INFO] [stderr] Compiling bytes v0.5.6 [INFO] [stderr] Compiling adler v0.2.3 [INFO] [stderr] Compiling either v1.5.0 [INFO] [stderr] Compiling itoa v0.4.2 [INFO] [stderr] Compiling jni-sys v0.3.0 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling cesu8 v1.1.0 [INFO] [stderr] Compiling matches v0.1.7 [INFO] [stderr] Compiling unicode-normalization v0.1.7 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling error-chain v0.12.1 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.12 [INFO] [stderr] Compiling proc-macro-error v0.4.12 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling miniz_oxide v0.4.0 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling jni v0.17.0 [INFO] [stderr] Compiling phf v0.8.0 [INFO] [stderr] Compiling url v2.1.0 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling aho-corasick v0.6.6 [INFO] [stderr] Compiling combine v4.2.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling quote v0.6.6 [INFO] [stderr] Compiling syn v0.14.8 [INFO] [stderr] Compiling jobserver v0.1.21 [INFO] [stderr] Compiling flate2 v1.0.16 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling clap v2.33.1 [INFO] [stderr] Compiling loggerv v0.7.1 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling cc v1.0.58 [INFO] [stderr] Compiling includedir v0.6.0 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling Inflector v0.11.3 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Compiling openssl-sys v0.9.35 [INFO] [stderr] Compiling libz-sys v1.0.25 [INFO] [stderr] Compiling libssh2-sys v0.2.11 [INFO] [stderr] Compiling libgit2-sys v0.12.9+1.0.1 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Compiling phf_codegen v0.8.0 [INFO] [stderr] Compiling synstructure v0.9.0 [INFO] [stderr] Compiling serde_json v1.0.26 [INFO] [stderr] Compiling includedir_codegen v0.6.0 [INFO] [stderr] Compiling backtrace v0.3.9 [INFO] [stderr] Compiling roast_cli v0.1.0 (/opt/rustwide/workdir/roast_cli) [INFO] [stderr] Compiling serde_derive v1.0.71 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling failure_derive v0.1.2 [INFO] [stderr] Compiling git2 v0.13.8 [INFO] [stderr] Compiling failure v0.1.2 [INFO] [stderr] Compiling roast_derives v0.1.0 (/opt/rustwide/workdir/roast_derives) [INFO] [stderr] Compiling structopt-derive v0.4.0 [INFO] [stderr] Compiling roast v0.1.0 (/opt/rustwide/workdir/roast) [INFO] [stderr] Compiling roast_testlab v0.1.0 (/opt/rustwide/workdir/roast_testlab) [INFO] [stderr] Compiling structopt v0.3.7 [INFO] [stderr] error: failed to run custom build command for `roast_testlab v0.1.0 (/opt/rustwide/workdir/roast_testlab)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/roast_testlab-edc75d2a771f9a91/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'could not write config: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', roast/src/build.rs:142:41 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5607480ebd3c - std::backtrace_rs::backtrace::libunwind::trace::h7630ba4cba718aa0 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stderr] 1: 0x5607480ebd3c - std::backtrace_rs::backtrace::trace_unsynchronized::he7498e79c157f5ac [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x5607480ebd3c - std::sys_common::backtrace::_print_fmt::hdaebadaee17bca49 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x5607480ebd3c - ::fmt::h82b0e3aaf8a96140 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x5607481065cc - core::fmt::write::h72801a82c94e6ff1 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/fmt/mod.rs:1149:17 [INFO] [stderr] 5: 0x5607480e95e5 - std::io::Write::write_fmt::hc2da38dc44811df8 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/io/mod.rs:1697:15 [INFO] [stderr] 6: 0x5607480ed340 - std::sys_common::backtrace::_print::h1c9a1d19c48821c1 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x5607480ed340 - std::sys_common::backtrace::print::h7ce8802039fa9d0e [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x5607480ed340 - std::panicking::default_hook::{{closure}}::hb2a74a8c1499c326 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:211:50 [INFO] [stderr] 9: 0x5607480eceeb - std::panicking::default_hook::hf4f180b00076f2b2 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:228:9 [INFO] [stderr] 10: 0x5607480ed9f4 - std::panicking::rust_panic_with_hook::he85ce8435493b711 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:606:17 [INFO] [stderr] 11: 0x5607480ed4d0 - std::panicking::begin_panic_handler::{{closure}}::h31e15f69e6235bd2 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:502:13 [INFO] [stderr] 12: 0x5607480ec1f4 - std::sys_common::backtrace::__rust_end_short_backtrace::hfce2fadb61aaa3ae [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stderr] 13: 0x5607480ed439 - rust_begin_unwind [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:498:5 [INFO] [stderr] 14: 0x5607480c8cd1 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/panicking.rs:107:14 [INFO] [stderr] 15: 0x5607480c8d63 - core::result::unwrap_failed::h885d3f7beb571353 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/result.rs:1613:5 [INFO] [stderr] 16: 0x5607480cd0c8 - core::result::Result::expect::hb5b8bb08e10f0c13 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/result.rs:1255:23 [INFO] [stderr] 17: 0x5607480ca39a - roast::build::build::haff0585243b5e75e [INFO] [stderr] at /opt/rustwide/workdir/roast/src/build.rs:142:5 [INFO] [stderr] 18: 0x5607480c94cd - build_script_build::main::h34df54bfe60270e6 [INFO] [stderr] at /opt/rustwide/workdir/roast_testlab/build.rs:6:5 [INFO] [stderr] 19: 0x5607480c957b - core::ops::function::FnOnce::call_once::h94e1ccf8328de953 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 20: 0x5607480c959e - std::sys_common::backtrace::__rust_begin_short_backtrace::hb075b5fa8984c4b2 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:123:18 [INFO] [stderr] 21: 0x5607480c9631 - std::rt::lang_start::{{closure}}::h4a77de4cbacbfe59 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/rt.rs:145:18 [INFO] [stderr] 22: 0x5607480eb581 - core::ops::function::impls:: for &F>::call_once::h0e73392810ecd318 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 23: 0x5607480eb581 - std::panicking::try::do_call::h12dcb4a4f352a507 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:406:40 [INFO] [stderr] 24: 0x5607480eb581 - std::panicking::try::h0d978c76ab4a3863 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:370:19 [INFO] [stderr] 25: 0x5607480eb581 - std::panic::catch_unwind::hab40227675186980 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panic.rs:133:14 [INFO] [stderr] 26: 0x5607480eb581 - std::rt::lang_start_internal::{{closure}}::hc34786299e7d2cf7 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/rt.rs:128:48 [INFO] [stderr] 27: 0x5607480eb581 - std::panicking::try::do_call::h38e7a9128f21d387 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:406:40 [INFO] [stderr] 28: 0x5607480eb581 - std::panicking::try::h32d4e72fd8922bce [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:370:19 [INFO] [stderr] 29: 0x5607480eb581 - std::panic::catch_unwind::h9a345671d889d41f [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panic.rs:133:14 [INFO] [stderr] 30: 0x5607480eb581 - std::rt::lang_start_internal::h9e691a4f557eb2a3 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/rt.rs:128:20 [INFO] [stderr] 31: 0x5607480c9600 - std::rt::lang_start::hc0238af5f94cd477 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/rt.rs:144:17 [INFO] [stderr] 32: 0x5607480c94fc - main [INFO] [stderr] 33: 0x7fdfc26420b3 - __libc_start_main [INFO] [stderr] 34: 0x5607480c93ee - _start [INFO] [stderr] 35: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "ef9dd5fe299c24f2a0f132254eee5c36cac109de7e6fd26d5d8e67d284b3b7d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef9dd5fe299c24f2a0f132254eee5c36cac109de7e6fd26d5d8e67d284b3b7d7", kill_on_drop: false }` [INFO] [stdout] ef9dd5fe299c24f2a0f132254eee5c36cac109de7e6fd26d5d8e67d284b3b7d7