[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] checking roast-rs/roast against master#f82664191d0e8764b7435b9d72eb0e366b8b1464 for pr-83354 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froast-rs%2Froast" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/roast-rs/roast on toolchain f82664191d0e8764b7435b9d72eb0e366b8b1464 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "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-8/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" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] feebbca6568e7f8b0d6dd776e6b59369d52e0d115d48bc374e3e72b89f2ad092 [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" "feebbca6568e7f8b0d6dd776e6b59369d52e0d115d48bc374e3e72b89f2ad092", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "feebbca6568e7f8b0d6dd776e6b59369d52e0d115d48bc374e3e72b89f2ad092", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "feebbca6568e7f8b0d6dd776e6b59369d52e0d115d48bc374e3e72b89f2ad092", kill_on_drop: false }` [INFO] [stdout] feebbca6568e7f8b0d6dd776e6b59369d52e0d115d48bc374e3e72b89f2ad092 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2143b4fbd99f0394b9bdec8725de7c2c313f8057d996657a19d27990216f7eb5 [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" "2143b4fbd99f0394b9bdec8725de7c2c313f8057d996657a19d27990216f7eb5", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.1 [INFO] [stderr] Compiling proc-macro2 v0.4.13 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling same-file v1.0.2 [INFO] [stderr] Compiling rustc-demangle v0.1.9 [INFO] [stderr] Compiling ryu v0.2.3 [INFO] [stderr] Compiling ucd-util v0.1.1 [INFO] [stderr] Compiling utf8-ranges v1.0.0 [INFO] [stderr] Compiling either v1.5.0 [INFO] [stderr] Compiling siphasher v0.3.3 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling bytes v0.5.6 [INFO] [stderr] Checking jni-sys v0.3.0 [INFO] [stderr] Checking cesu8 v1.1.0 [INFO] [stderr] Compiling itoa v0.4.2 [INFO] [stderr] Checking matches v0.1.7 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling failure_derive v0.1.2 [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 walkdir v2.3.1 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling regex-syntax v0.6.2 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling serde v1.0.71 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling jobserver v0.1.21 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Compiling aho-corasick v0.6.6 [INFO] [stderr] Checking combine v4.2.1 [INFO] [stderr] Checking flate2 v1.0.16 [INFO] [stderr] Checking loggerv v0.7.1 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling cc v1.0.58 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Compiling jni v0.17.0 [INFO] [stderr] Checking serde_json v1.0.26 [INFO] [stderr] Checking includedir v0.6.0 [INFO] [stderr] Compiling quote v0.6.6 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Checking quote v1.0.2 [INFO] [stderr] Checking url v2.1.0 [INFO] [stderr] Compiling syn v0.14.8 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling regex v1.0.2 [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] Checking Inflector v0.11.3 [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 synstructure v0.9.0 [INFO] [stderr] Compiling serde_derive v1.0.71 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling failure v0.1.2 [INFO] [stderr] Checking roast_derives v0.1.0 (/opt/rustwide/workdir/roast_derives) [INFO] [stderr] Checking git2 v0.13.8 [INFO] [stderr] Compiling structopt-derive v0.4.0 [INFO] [stderr] Checking roast v0.1.0 (/opt/rustwide/workdir/roast) [INFO] [stderr] Compiling roast_testlab v0.1.0 (/opt/rustwide/workdir/roast_testlab) [INFO] [stderr] Checking 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-3668aa491b58f6d7/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'could not write config: Os { code: 30, kind: Other, message: "Read-only file system" }', roast/src/build.rs:142:41 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5641789328b0 - std::backtrace_rs::backtrace::libunwind::trace::h4dee703919bfd40a [INFO] [stderr] at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x5641789328b0 - std::backtrace_rs::backtrace::trace_unsynchronized::h457e839f1a563e20 [INFO] [stderr] at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x5641789328b0 - std::sys_common::backtrace::_print_fmt::h86a55fb30f8393c8 [INFO] [stderr] at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x5641789328b0 - ::fmt::h7b3d6cac46d277e1 [INFO] [stderr] at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x56417894922f - core::fmt::write::h127419eb46f2ecc9 [INFO] [stderr] at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/core/src/fmt/mod.rs:1092:17 [INFO] [stderr] 5: 0x564178931102 - std::io::Write::write_fmt::h6010cfbb4726588b [INFO] [stderr] at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/io/mod.rs:1572:15 [INFO] [stderr] 6: 0x564178934455 - std::sys_common::backtrace::_print::h79b4f9652330cc9d [INFO] [stderr] at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x564178934455 - std::sys_common::backtrace::print::h330bb326a76af8cf [INFO] [stderr] at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x564178934455 - std::panicking::default_hook::{{closure}}::heb6a42a7d50a472e [INFO] [stderr] at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x564178933f03 - std::panicking::default_hook::h17e521ba6d68d6e1 [INFO] [stderr] at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x564178934a5d - std::panicking::rust_panic_with_hook::h70db735e3a6e70cb [INFO] [stderr] at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x5641789345f7 - std::panicking::begin_panic_handler::{{closure}}::h777c71c8e5a7e25c [INFO] [stderr] at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x564178932d6c - std::sys_common::backtrace::__rust_end_short_backtrace::h3e9bf30168899554 [INFO] [stderr] at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x564178934559 - rust_begin_unwind [INFO] [stderr] at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x564178911151 - core::panicking::panic_fmt::h5322a082d19786c3 [INFO] [stderr] at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x564178911043 - core::option::expect_none_failed::h354eaa93a51d71b8 [INFO] [stderr] at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/core/src/option.rs:1329:5 [INFO] [stderr] 16: 0x5641789153c0 - core::result::Result::expect::h2f5ff3b314dbbec9 [INFO] [stderr] at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/core/src/result.rs:997:23 [INFO] [stderr] 17: 0x5641789126fd - roast::build::build::he0e2cafcee3690fc [INFO] [stderr] at /opt/rustwide/workdir/roast/src/build.rs:142:5 [INFO] [stderr] 18: 0x56417891190d - build_script_build::main::h0e9ef752a10750a3 [INFO] [stderr] at /opt/rustwide/workdir/roast_testlab/build.rs:6:5 [INFO] [stderr] 19: 0x56417891197b - core::ops::function::FnOnce::call_once::h5c1ccde569275f30 [INFO] [stderr] at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 20: 0x564178911a2e - std::sys_common::backtrace::__rust_begin_short_backtrace::he0b7eb8934d9092b [INFO] [stderr] at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 21: 0x5641789118d1 - std::rt::lang_start::{{closure}}::ha79b030abf2dd82a [INFO] [stderr] at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/rt.rs:66:18 [INFO] [stderr] 22: 0x564178934e5a - core::ops::function::impls:: for &F>::call_once::hbcc915e668c7ca11 [INFO] [stderr] at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 23: 0x564178934e5a - std::panicking::try::do_call::h6b0f430d48122ddf [INFO] [stderr] at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/panicking.rs:379:40 [INFO] [stderr] 24: 0x564178934e5a - std::panicking::try::h6ba420e2e21b5afa [INFO] [stderr] at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/panicking.rs:343:19 [INFO] [stderr] 25: 0x564178934e5a - std::panic::catch_unwind::h8366719d1f615eee [INFO] [stderr] at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/panic.rs:431:14 [INFO] [stderr] 26: 0x564178934e5a - std::rt::lang_start_internal::h965c28c9ce06ee73 [INFO] [stderr] at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/rt.rs:51:25 [INFO] [stderr] 27: 0x5641789118b0 - std::rt::lang_start::h8cc8e2f4d26ab635 [INFO] [stderr] at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/rt.rs:65:5 [INFO] [stderr] 28: 0x56417891193c - main [INFO] [stderr] 29: 0x7f302509f0b3 - __libc_start_main [INFO] [stderr] 30: 0x5641789117be - _start [INFO] [stderr] 31: 0x0 - [INFO] running `Command { std: "docker" "inspect" "2143b4fbd99f0394b9bdec8725de7c2c313f8057d996657a19d27990216f7eb5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2143b4fbd99f0394b9bdec8725de7c2c313f8057d996657a19d27990216f7eb5", kill_on_drop: false }` [INFO] [stdout] 2143b4fbd99f0394b9bdec8725de7c2c313f8057d996657a19d27990216f7eb5