[INFO] fetching crate convco 0.3.2... [INFO] checking convco-0.3.2 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470 [INFO] extracting crate convco 0.3.2 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate convco 0.3.2 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate convco 0.3.2 [INFO] finished tweaking crates.io crate convco 0.3.2 [INFO] tweaked toml for crates.io crate convco 0.3.2 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate crates.io crate convco 0.3.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pest_generator v2.1.3 [INFO] [stderr] Downloaded structopt v0.3.16 [INFO] [stderr] Downloaded pest_meta v2.1.3 [INFO] [stderr] Downloaded structopt-derive v0.4.9 [INFO] [stderr] Downloaded chrono v0.4.15 [INFO] [stderr] Downloaded quick-error v2.0.0 [INFO] [stderr] Downloaded serde_yaml v0.8.13 [INFO] [stderr] Downloaded serde_derive v1.0.115 [INFO] [stderr] Downloaded dialoguer v0.6.2 [INFO] [stderr] Downloaded pest_derive v2.1.0 [INFO] [stderr] Downloaded serde v1.0.115 [INFO] [stderr] Downloaded handlebars v3.4.0 [INFO] [stderr] Downloaded libz-sys v1.0.27 [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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 00fa5ff785dd157eb0448aae0c838f68eee491897708cc296ec729c101f849b2 [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" "00fa5ff785dd157eb0448aae0c838f68eee491897708cc296ec729c101f849b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "00fa5ff785dd157eb0448aae0c838f68eee491897708cc296ec729c101f849b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00fa5ff785dd157eb0448aae0c838f68eee491897708cc296ec729c101f849b2", kill_on_drop: false }` [INFO] [stdout] 00fa5ff785dd157eb0448aae0c838f68eee491897708cc296ec729c101f849b2 [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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 49875f40a753c3a2d67a73aaeb68fe9ac0af5f148ffebb9263902099430d1d41 [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" "49875f40a753c3a2d67a73aaeb68fe9ac0af5f148ffebb9263902099430d1d41", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling syn v1.0.38 [INFO] [stderr] Compiling serde_derive v1.0.115 [INFO] [stderr] Compiling serde v1.0.115 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Checking tinyvec v0.3.3 [INFO] [stderr] Checking ppv-lite86 v0.2.9 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Checking quick-error v2.0.0 [INFO] [stderr] Checking semver-parser v0.7.0 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Checking unicode-normalization v0.1.13 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Compiling jobserver v0.1.21 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking terminal_size v0.1.13 [INFO] [stderr] Checking termios v0.3.2 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling pest_meta v2.1.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling cc v1.0.58 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking url v2.1.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Compiling libz-sys v1.0.27 [INFO] [stderr] Compiling libgit2-sys v0.12.9+1.0.1 [INFO] [stderr] Checking console v0.11.3 [INFO] [stderr] Checking dialoguer v0.6.2 [INFO] [stderr] Checking git2 v0.13.8 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Compiling structopt-derive v0.4.9 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Compiling structopt v0.3.16 [INFO] [stderr] Compiling convco v0.3.2 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `convco v0.3.2 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/convco-f03d54ff8611bb58/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', build.rs:11:33 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5622ad822420 - std::backtrace_rs::backtrace::libunwind::trace::h746c3e9529d524bc [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x5622ad822420 - std::backtrace_rs::backtrace::trace_unsynchronized::h86340908ff889faa [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x5622ad822420 - std::sys_common::backtrace::_print_fmt::h43f85f9b18230404 [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x5622ad822420 - ::fmt::hc132ae1a5b5aa7cd [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x5622ad83d33c - core::fmt::write::hdf023a0036d2a25f [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/core/src/fmt/mod.rs:1078:17 [INFO] [stderr] 5: 0x5622ad8200b2 - std::io::Write::write_fmt::h8580846154bcb66a [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/io/mod.rs:1519:15 [INFO] [stderr] 6: 0x5622ad824155 - std::sys_common::backtrace::_print::h7ee55fed88d107a3 [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x5622ad824155 - std::sys_common::backtrace::print::h54a7d3e52a524177 [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x5622ad824155 - std::panicking::default_hook::{{closure}}::h60921e857bf55a40 [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x5622ad823caa - std::panicking::default_hook::hf0f9afb1017317fc [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x5622ad8248f1 - std::panicking::rust_panic_with_hook::h8d66bf42b407aaea [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x5622ad824437 - std::panicking::begin_panic_handler::{{closure}}::hde71edcd925d0c5e [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x5622ad8228dc - std::sys_common::backtrace::__rust_end_short_backtrace::h8a3c7d6cea578919 [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x5622ad824399 - rust_begin_unwind [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x5622ad83c711 - core::panicking::panic_fmt::h20225113c4a2f8fd [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x5622ad83c533 - core::option::expect_none_failed::hc6d6d4cea4fdc285 [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/core/src/option.rs:1268:5 [INFO] [stderr] 16: 0x5622ad7ab2c0 - core::result::Result::unwrap::h71b8a1e9454e13c6 [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/core/src/result.rs:973:23 [INFO] [stderr] 17: 0x5622ad7a5271 - build_script_build::main::ha18e0f00ed4b2f72 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:11:5 [INFO] [stderr] 18: 0x5622ad7a9dcb - core::ops::function::FnOnce::call_once::h1f020fbc4a055681 [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x5622ad7a9ace - std::sys_common::backtrace::__rust_begin_short_backtrace::hcdc88256d6d80426 [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x5622ad7ad471 - std::rt::lang_start::{{closure}}::h4536417c417fc47a [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x5622ad824d17 - core::ops::function::impls:: for &F>::call_once::h54c39b9b8451875a [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x5622ad824d17 - std::panicking::try::do_call::hcdfba51a06e21b42 [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x5622ad824d17 - std::panicking::try::hb36953ccd24f930d [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x5622ad824d17 - std::panic::catch_unwind::hbb374cd03beb3824 [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/panic.rs:396:14 [INFO] [stderr] 25: 0x5622ad824d17 - std::rt::lang_start_internal::h97dca9624db2aa85 [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x5622ad7ad447 - std::rt::lang_start::h117102d4bcc7718d [INFO] [stderr] at /rustc/b2f80f6008cdafc35b4472bd46afa16cc6b0cd63/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x5622ad7a8b8a - main [INFO] [stderr] 28: 0x7f6e11dc20b3 - __libc_start_main [INFO] [stderr] 29: 0x5622ad7a50be - _start [INFO] [stderr] 30: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "49875f40a753c3a2d67a73aaeb68fe9ac0af5f148ffebb9263902099430d1d41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49875f40a753c3a2d67a73aaeb68fe9ac0af5f148ffebb9263902099430d1d41", kill_on_drop: false }` [INFO] [stdout] 49875f40a753c3a2d67a73aaeb68fe9ac0af5f148ffebb9263902099430d1d41