[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#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froast-rs%2Froast" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/roast-rs/roast on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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-5/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cesu8 v1.1.0 [INFO] [stderr] Downloaded synstructure v0.9.0 [INFO] [stderr] Downloaded jni v0.17.0 [INFO] [stderr] Downloaded combine v4.2.1 [INFO] [stderr] Downloaded git2 v0.13.8 [INFO] [stderr] Downloaded failure_derive v0.1.2 [INFO] [stderr] Downloaded failure v0.1.2 [INFO] [stderr] Downloaded includedir v0.6.0 [INFO] [stderr] Downloaded Inflector v0.11.3 [INFO] [stderr] Downloaded loggerv v0.7.1 [INFO] [stderr] Downloaded includedir_codegen v0.6.0 [INFO] [stderr] Downloaded libgit2-sys v0.12.9+1.0.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b8c9ba487614e44404b1fa4215f0dad08f64944c4a5101e5854f4d94f3ae9fbe [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" "b8c9ba487614e44404b1fa4215f0dad08f64944c4a5101e5854f4d94f3ae9fbe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b8c9ba487614e44404b1fa4215f0dad08f64944c4a5101e5854f4d94f3ae9fbe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b8c9ba487614e44404b1fa4215f0dad08f64944c4a5101e5854f4d94f3ae9fbe", kill_on_drop: false }` [INFO] [stdout] b8c9ba487614e44404b1fa4215f0dad08f64944c4a5101e5854f4d94f3ae9fbe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] 2ea12f1154c14fcedef8eb126d3826e219d82d123cb740f0f4cdf6fe62869b8f [INFO] running `Command { std: "docker" "start" "-a" "2ea12f1154c14fcedef8eb126d3826e219d82d123cb740f0f4cdf6fe62869b8f", 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 syn v1.0.11 [INFO] [stderr] Compiling same-file v1.0.2 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling regex v1.0.2 [INFO] [stderr] Compiling failure_derive v0.1.2 [INFO] [stderr] Compiling pkg-config v0.3.13 [INFO] [stderr] Compiling serde v1.0.71 [INFO] [stderr] Compiling ryu v0.2.3 [INFO] [stderr] Compiling rustc-demangle v0.1.9 [INFO] [stderr] Compiling ucd-util v0.1.1 [INFO] [stderr] Compiling getrandom v0.1.14 [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] Compiling siphasher v0.3.3 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking cesu8 v1.1.0 [INFO] [stderr] Compiling adler v0.2.3 [INFO] [stderr] Checking jni-sys v0.3.0 [INFO] [stderr] Checking itoa v0.4.2 [INFO] [stderr] Checking matches v0.1.7 [INFO] [stderr] Checking unicode-normalization v0.1.7 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling lazy_static v1.1.0 [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 miniz_oxide v0.4.0 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Checking log v0.4.8 [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 aho-corasick v0.6.6 [INFO] [stderr] Compiling combine v4.2.1 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling jni v0.17.0 [INFO] [stderr] Compiling quote v0.6.6 [INFO] [stderr] Checking quote v1.0.2 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Compiling jobserver v0.1.21 [INFO] [stderr] Compiling flate2 v1.0.16 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Compiling syn v0.14.8 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Checking loggerv v0.7.1 [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_pcg v0.2.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Checking Inflector v0.11.3 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Checking serde_json v1.0.26 [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 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 synstructure v0.9.0 [INFO] [stderr] Compiling roast_cli v0.1.0 (/opt/rustwide/workdir/roast_cli) [INFO] [stderr] Compiling backtrace v0.3.9 [INFO] [stderr] Compiling error-chain v0.12.1 [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] 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 status: 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: 0x5593b1d841d0 - std::backtrace_rs::backtrace::libunwind::trace::hec7eaac9435d3512 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x5593b1d841d0 - std::backtrace_rs::backtrace::trace_unsynchronized::h42791b8fa12b7daa [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x5593b1d841d0 - std::sys_common::backtrace::_print_fmt::h3da3ebe04fb665a8 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x5593b1d841d0 - ::fmt::he40bcdde3c4491cd [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x5593b1d9e6bf - core::fmt::write::h2c729149c08098ab [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/core/src/fmt/mod.rs:1094:17 [INFO] [stderr] 5: 0x5593b1d82a55 - std::io::Write::write_fmt::h28e0f2f58b8d7b7e [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/io/mod.rs:1578:15 [INFO] [stderr] 6: 0x5593b1d85d2b - std::sys_common::backtrace::_print::h7f0223b1e3d898fc [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x5593b1d85d2b - std::sys_common::backtrace::print::h58edd634a14c2d4c [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x5593b1d85d2b - std::panicking::default_hook::{{closure}}::h71657a7591430164 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x5593b1d8580d - std::panicking::default_hook::hcdf4eb5db072c85b [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x5593b1d862dd - std::panicking::rust_panic_with_hook::hfb91e961ffb5b8e0 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x5593b1d85ed7 - std::panicking::begin_panic_handler::{{closure}}::h984d540e84311150 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x5593b1d8466c - std::sys_common::backtrace::__rust_end_short_backtrace::h32354258ff2aecd1 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x5593b1d85e39 - rust_begin_unwind [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x5593b1d68dd1 - core::panicking::panic_fmt::he3827412471ccbb1 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x5593b1d68e63 - core::result::unwrap_failed::h6e66654d198da7bd [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/core/src/result.rs:1355:5 [INFO] [stderr] 16: 0x5593b1d6d180 - core::result::Result::expect::h5d02b2d6dcd8693d [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/core/src/result.rs:997:23 [INFO] [stderr] 17: 0x5593b1d6a40d - roast::build::build::he3d8913848ee4c09 [INFO] [stderr] at /opt/rustwide/workdir/roast/src/build.rs:142:5 [INFO] [stderr] 18: 0x5593b1d6961d - build_script_build::main::h1dca4230c8f98fa3 [INFO] [stderr] at /opt/rustwide/workdir/roast_testlab/build.rs:6:5 [INFO] [stderr] 19: 0x5593b1d696db - core::ops::function::FnOnce::call_once::hd5cf77a9a45717bf [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 20: 0x5593b1d6973e - std::sys_common::backtrace::__rust_begin_short_backtrace::h002e858e4028c836 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 21: 0x5593b1d695e1 - std::rt::lang_start::{{closure}}::h844c3f7e110b1351 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/rt.rs:66:18 [INFO] [stderr] 22: 0x5593b1d866da - core::ops::function::impls:: for &F>::call_once::hd5953dadf0bc8f54 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 23: 0x5593b1d866da - std::panicking::try::do_call::h23b369f1996fb7d4 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/panicking.rs:379:40 [INFO] [stderr] 24: 0x5593b1d866da - std::panicking::try::he017ee9ed6bce192 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/panicking.rs:343:19 [INFO] [stderr] 25: 0x5593b1d866da - std::panic::catch_unwind::hbfb892340a78b30d [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/panic.rs:431:14 [INFO] [stderr] 26: 0x5593b1d866da - std::rt::lang_start_internal::hce6e4c0ce56abb51 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/rt.rs:51:25 [INFO] [stderr] 27: 0x5593b1d695c0 - std::rt::lang_start::hdafd32839990ed82 [INFO] [stderr] at /rustc/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/library/std/src/rt.rs:65:5 [INFO] [stderr] 28: 0x5593b1d6964c - main [INFO] [stderr] 29: 0x7ff2195ed0b3 - __libc_start_main [INFO] [stderr] 30: 0x5593b1d694ce - _start [INFO] [stderr] 31: 0x0 - [INFO] running `Command { std: "docker" "inspect" "2ea12f1154c14fcedef8eb126d3826e219d82d123cb740f0f4cdf6fe62869b8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ea12f1154c14fcedef8eb126d3826e219d82d123cb740f0f4cdf6fe62869b8f", kill_on_drop: false }` [INFO] [stdout] 2ea12f1154c14fcedef8eb126d3826e219d82d123cb740f0f4cdf6fe62869b8f