[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 try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froast-rs%2Froast" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/roast-rs/roast on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "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-7/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" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded Inflector v0.11.3 [INFO] [stderr] Downloaded git2 v0.13.8 [INFO] [stderr] Downloaded libgit2-sys v0.12.9+1.0.1 [INFO] [stderr] Downloaded includedir v0.6.0 [INFO] [stderr] Downloaded loggerv v0.7.1 [INFO] [stderr] Downloaded includedir_codegen v0.6.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 27588e646d222ff6d7e9a68a7bcca94f57f0b550a9b4c4ea2670e161029d70ed [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" "27588e646d222ff6d7e9a68a7bcca94f57f0b550a9b4c4ea2670e161029d70ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "27588e646d222ff6d7e9a68a7bcca94f57f0b550a9b4c4ea2670e161029d70ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27588e646d222ff6d7e9a68a7bcca94f57f0b550a9b4c4ea2670e161029d70ed", kill_on_drop: false }` [INFO] [stdout] 27588e646d222ff6d7e9a68a7bcca94f57f0b550a9b4c4ea2670e161029d70ed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] ffe5d9fa74036538f1dd7adaa51a633ea67eb118f890116e49cf4abcb13441f3 [INFO] running `Command { std: "docker" "start" "-a" "ffe5d9fa74036538f1dd7adaa51a633ea67eb118f890116e49cf4abcb13441f3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.73 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling proc-macro2 v1.0.1 [INFO] [stderr] Compiling proc-macro2 v0.4.13 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling same-file v1.0.2 [INFO] [stderr] Compiling regex v1.0.2 [INFO] [stderr] Compiling failure_derive v0.1.2 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling pkg-config v0.3.13 [INFO] [stderr] Compiling ryu v0.2.3 [INFO] [stderr] Compiling serde v1.0.71 [INFO] [stderr] Compiling rustc-demangle v0.1.9 [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 version_check v0.9.2 [INFO] [stderr] Compiling ppv-lite86 v0.2.8 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Compiling siphasher v0.3.3 [INFO] [stderr] Compiling adler v0.2.3 [INFO] [stderr] Checking jni-sys v0.3.0 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Checking cesu8 v1.1.0 [INFO] [stderr] Checking itoa v0.4.2 [INFO] [stderr] Checking matches v0.1.7 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking unicode-xid v0.2.0 [INFO] [stderr] Checking unicode-normalization v0.1.7 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling regex-syntax v0.6.2 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling error-chain v0.12.1 [INFO] [stderr] Compiling miniz_oxide v0.4.0 [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 crc32fast v1.2.0 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.12 [INFO] [stderr] Compiling proc-macro-error v0.4.12 [INFO] [stderr] Checking phf v0.8.0 [INFO] [stderr] Compiling jni v0.17.0 [INFO] [stderr] Compiling quote v0.6.6 [INFO] [stderr] Compiling aho-corasick v0.6.6 [INFO] [stderr] Compiling combine v4.2.1 [INFO] [stderr] Checking quote v1.0.2 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking flate2 v1.0.16 [INFO] [stderr] Compiling jobserver v0.1.21 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling syn v0.14.8 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Checking loggerv v0.7.1 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling cc v1.0.58 [INFO] [stderr] Checking includedir v0.6.0 [INFO] [stderr] Checking url v2.1.0 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling serde_json v1.0.26 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Checking Inflector v0.11.3 [INFO] [stderr] Compiling phf_codegen v0.8.0 [INFO] [stderr] Compiling includedir_codegen v0.6.0 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Compiling libz-sys v1.0.25 [INFO] [stderr] Compiling openssl-sys v0.9.35 [INFO] [stderr] Compiling libssh2-sys v0.2.11 [INFO] [stderr] Compiling libgit2-sys v0.12.9+1.0.1 [INFO] [stderr] Compiling synstructure v0.9.0 [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 backtrace v0.3.9 [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] Checking structopt v0.3.7 [INFO] [stderr] Compiling roast_testlab v0.1.0 (/opt/rustwide/workdir/roast_testlab) [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: 0x55f0b804de50 - std::backtrace_rs::backtrace::libunwind::trace::hb4de9797f80b7b8c [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55f0b804de50 - std::backtrace_rs::backtrace::trace_unsynchronized::h59566d0bd20efff7 [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55f0b804de50 - std::sys_common::backtrace::_print_fmt::hcfa5ce6be50275d4 [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55f0b804de50 - ::fmt::hd8c307a38b9bab04 [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55f0b806508c - core::fmt::write::h3868db8542c90941 [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/core/src/fmt/mod.rs:1096:17 [INFO] [stderr] 5: 0x55f0b804bde2 - std::io::Write::write_fmt::hab90295d5a0f197d [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/io/mod.rs:1568:15 [INFO] [stderr] 6: 0x55f0b804fbb5 - std::sys_common::backtrace::_print::h19224910b8700cf1 [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55f0b804fbb5 - std::sys_common::backtrace::print::h25dedfa68c5fb84a [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55f0b804fbb5 - std::panicking::default_hook::{{closure}}::h12c5765653a72a42 [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55f0b804f663 - std::panicking::default_hook::he65cee71c4209f0c [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55f0b8050351 - std::panicking::rust_panic_with_hook::h01a674d863fe0d8a [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x55f0b804fe97 - std::panicking::begin_panic_handler::{{closure}}::h9b9fecf185178864 [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x55f0b804e2ec - std::sys_common::backtrace::__rust_end_short_backtrace::h57be46a42dc7f24b [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55f0b804fdf9 - rust_begin_unwind [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x55f0b8064461 - core::panicking::panic_fmt::h20225113c4a2f8fd [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55f0b8064283 - core::option::expect_none_failed::hc6d6d4cea4fdc285 [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/core/src/option.rs:1300:5 [INFO] [stderr] 16: 0x55f0b802dd14 - core::result::Result::expect::h980b19e976bb2e79 [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/core/src/result.rs:997:23 [INFO] [stderr] 17: 0x55f0b802b012 - roast::build::build::h28a33b21fb3b31fa [INFO] [stderr] at /opt/rustwide/workdir/roast/src/build.rs:142:5 [INFO] [stderr] 18: 0x55f0b802a18d - build_script_build::main::h7ea6f2637116c54e [INFO] [stderr] at /opt/rustwide/workdir/roast_testlab/build.rs:6:5 [INFO] [stderr] 19: 0x55f0b802a27b - core::ops::function::FnOnce::call_once::hbac51e8f601176e7 [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 20: 0x55f0b802a29e - std::sys_common::backtrace::__rust_begin_short_backtrace::he449e8af6478c173 [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 21: 0x55f0b802a351 - std::rt::lang_start::{{closure}}::h4dc7165324deac2c [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/rt.rs:66:18 [INFO] [stderr] 22: 0x55f0b8050777 - core::ops::function::impls:: for &F>::call_once::h2c4fd7d4128112a8 [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 23: 0x55f0b8050777 - std::panicking::try::do_call::h41fb7dbbbe7bece6 [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/panicking.rs:379:40 [INFO] [stderr] 24: 0x55f0b8050777 - std::panicking::try::hd38008ccba72bce1 [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/panicking.rs:343:19 [INFO] [stderr] 25: 0x55f0b8050777 - std::panic::catch_unwind::h057e765cd60f2d13 [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/panic.rs:431:14 [INFO] [stderr] 26: 0x55f0b8050777 - std::rt::lang_start_internal::hdb9d0b9d2cdcda8b [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/rt.rs:51:25 [INFO] [stderr] 27: 0x55f0b802a327 - std::rt::lang_start::hfee349a48f07685e [INFO] [stderr] at /rustc/15a786332e2f0dd343b226ab6bb8ec028a350f73/library/std/src/rt.rs:65:5 [INFO] [stderr] 28: 0x55f0b802a1ca - main [INFO] [stderr] 29: 0x7f0bdbe200b3 - __libc_start_main [INFO] [stderr] 30: 0x55f0b802a0ae - _start [INFO] [stderr] 31: 0x0 - [INFO] running `Command { std: "docker" "inspect" "ffe5d9fa74036538f1dd7adaa51a633ea67eb118f890116e49cf4abcb13441f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ffe5d9fa74036538f1dd7adaa51a633ea67eb118f890116e49cf4abcb13441f3", kill_on_drop: false }` [INFO] [stdout] ffe5d9fa74036538f1dd7adaa51a633ea67eb118f890116e49cf4abcb13441f3