[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 master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froast-rs%2Froast" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/roast-rs/roast on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-3/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 81e09328ae10f73f36ce74eb2c01a39ffdb64d826d45538107db2ca5f13d1cac [INFO] running `Command { std: "docker" "start" "-a" "81e09328ae10f73f36ce74eb2c01a39ffdb64d826d45538107db2ca5f13d1cac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "81e09328ae10f73f36ce74eb2c01a39ffdb64d826d45538107db2ca5f13d1cac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81e09328ae10f73f36ce74eb2c01a39ffdb64d826d45538107db2ca5f13d1cac", kill_on_drop: false }` [INFO] [stdout] 81e09328ae10f73f36ce74eb2c01a39ffdb64d826d45538107db2ca5f13d1cac [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bfe9d876369a8423aaad27bf0310c44e61b1f1ca092f9d95ed7b9c8907a62a58 [INFO] running `Command { std: "docker" "start" "-a" "bfe9d876369a8423aaad27bf0310c44e61b1f1ca092f9d95ed7b9c8907a62a58", kill_on_drop: false }` [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling version_check v0.1.5 [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 getrandom v0.1.14 [INFO] [stderr] Compiling rustc-demangle v0.1.9 [INFO] [stderr] Compiling regex v1.0.2 [INFO] [stderr] Compiling failure_derive v0.1.2 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling siphasher v0.3.3 [INFO] [stderr] Compiling serde v1.0.71 [INFO] [stderr] Compiling ryu v0.2.3 [INFO] [stderr] Compiling adler v0.2.3 [INFO] [stderr] Compiling jni-sys v0.3.0 [INFO] [stderr] Compiling cesu8 v1.1.0 [INFO] [stderr] Compiling itoa v0.4.2 [INFO] [stderr] Compiling matches v0.1.7 [INFO] [stderr] Compiling unicode-normalization v0.1.7 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Compiling openssl-probe v0.1.2 [INFO] [stderr] Compiling regex-syntax v0.6.2 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling jobserver v0.1.21 [INFO] [stderr] Compiling aho-corasick v0.6.6 [INFO] [stderr] Compiling combine v4.2.1 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling loggerv v0.7.1 [INFO] [stderr] Compiling miniz_oxide v0.4.0 [INFO] [stderr] Compiling clap v2.33.1 [INFO] [stderr] Compiling cc v1.0.58 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling error-chain v0.12.1 [INFO] [stderr] Compiling phf v0.8.0 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.12 [INFO] [stderr] Compiling proc-macro-error v0.4.12 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling jni v0.17.0 [INFO] [stderr] Compiling flate2 v1.0.16 [INFO] [stderr] Compiling quote v0.6.6 [INFO] [stderr] Compiling syn v0.14.8 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling includedir v0.6.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling rand v0.7.3 [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 idna v0.2.0 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Compiling phf_codegen v0.8.0 [INFO] [stderr] Compiling backtrace v0.3.9 [INFO] [stderr] Compiling includedir_codegen v0.6.0 [INFO] [stderr] Compiling url v2.1.0 [INFO] [stderr] Compiling roast_cli v0.1.0 (/opt/rustwide/workdir/roast_cli) [INFO] [stderr] Compiling synstructure v0.9.0 [INFO] [stderr] Compiling Inflector v0.11.3 [INFO] [stderr] Compiling serde_json v1.0.26 [INFO] [stderr] Compiling serde_derive v1.0.71 [INFO] [stderr] Compiling git2 v0.13.8 [INFO] [stderr] Compiling syn-mid v0.5.0 [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 structopt v0.3.7 [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] 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-d5f9119e646037d7/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: 0x5636e08f8470 - std::backtrace_rs::backtrace::libunwind::trace::h1037ca7e6eeef65c [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x5636e08f8470 - std::backtrace_rs::backtrace::trace_unsynchronized::haaefac1bc3669450 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x5636e08f8470 - std::sys_common::backtrace::_print_fmt::h863a6f5e6d995885 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x5636e08f8470 - ::fmt::h767e17e1aa7df6a8 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x5636e09120ec - core::fmt::write::h7aa6cd0067dca82a [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/fmt/mod.rs:1110:17 [INFO] [stderr] 5: 0x5636e08f6c35 - std::io::Write::write_fmt::h4c802b6f761026c1 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/io/mod.rs:1584:15 [INFO] [stderr] 6: 0x5636e08fa0cb - std::sys_common::backtrace::_print::h2769edb26a7eb606 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x5636e08fa0cb - std::sys_common::backtrace::print::ha71f3549862b4cb6 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x5636e08fa0cb - std::panicking::default_hook::{{closure}}::h95488a3bade217f6 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x5636e08f9ba1 - std::panicking::default_hook::h290aa602c0fb11df [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x5636e08fa771 - std::panicking::rust_panic_with_hook::hf32c4fa635e215f2 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:622:17 [INFO] [stderr] 11: 0x5636e08fa277 - std::panicking::begin_panic_handler::{{closure}}::h95197ccd88846f7a [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:519:13 [INFO] [stderr] 12: 0x5636e08f894c - std::sys_common::backtrace::__rust_end_short_backtrace::h7641df9566f7b7d0 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x5636e08fa1d9 - rust_begin_unwind [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:515:5 [INFO] [stderr] 14: 0x5636e08dce31 - core::panicking::panic_fmt::hbe99dddd3092ba3c [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x5636e08dcec3 - core::result::unwrap_failed::hf79563fef9d11ab8 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/result.rs:1355:5 [INFO] [stderr] 16: 0x5636e08e1219 - core::result::Result::expect::h3263179a9721e03b [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/result.rs:997:23 [INFO] [stderr] 17: 0x5636e08de55e - roast::build::build::hf8f72f28753fbee6 [INFO] [stderr] at /opt/rustwide/workdir/roast/src/build.rs:142:5 [INFO] [stderr] 18: 0x5636e08dd74d - build_script_build::main::h3b1a6781563110c4 [INFO] [stderr] at /opt/rustwide/workdir/roast_testlab/build.rs:6:5 [INFO] [stderr] 19: 0x5636e08dd67b - core::ops::function::FnOnce::call_once::h66062160b2e17f65 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 20: 0x5636e08dd6fe - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc2fdced68f24430 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 21: 0x5636e08dd7d1 - std::rt::lang_start::{{closure}}::h9c411f3dc6fade9a [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/rt.rs:49:18 [INFO] [stderr] 22: 0x5636e08fac69 - core::ops::function::impls:: for &F>::call_once::h04259e4a34d07c2f [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 23: 0x5636e08fac69 - std::panicking::try::do_call::hb8da45704d5cfbbf [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:401:40 [INFO] [stderr] 24: 0x5636e08fac69 - std::panicking::try::h4beadc19a78fec52 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:365:19 [INFO] [stderr] 25: 0x5636e08fac69 - std::panic::catch_unwind::hc58016cd36ba81a4 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panic.rs:433:14 [INFO] [stderr] 26: 0x5636e08fac69 - std::rt::lang_start_internal::hc51399759a90501a [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/rt.rs:34:21 [INFO] [stderr] 27: 0x5636e08dd7b0 - std::rt::lang_start::hf6ff831a6e02ed1d [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/rt.rs:48:5 [INFO] [stderr] 28: 0x5636e08dd77c - main [INFO] [stderr] 29: 0x7efdcfcc40b3 - __libc_start_main [INFO] [stderr] 30: 0x5636e08dd58e - _start [INFO] [stderr] 31: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "bfe9d876369a8423aaad27bf0310c44e61b1f1ca092f9d95ed7b9c8907a62a58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bfe9d876369a8423aaad27bf0310c44e61b1f1ca092f9d95ed7b9c8907a62a58", kill_on_drop: false }` [INFO] [stdout] bfe9d876369a8423aaad27bf0310c44e61b1f1ca092f9d95ed7b9c8907a62a58