[INFO] crate convco 0.2.2 is already in cache [INFO] testing convco-0.2.2 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274 [INFO] extracting crate convco 0.2.2 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate convco 0.2.2 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16 [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate convco 0.2.2 [INFO] finished tweaking crates.io crate convco 0.2.2 [INFO] tweaked toml for crates.io crate convco 0.2.2 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate crates.io crate convco 0.2.2 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c7e7a54940484992a54175b203b6a24e29c1b0bdf89124c331df3cceff533a40 [INFO] running `"docker" "start" "-a" "c7e7a54940484992a54175b203b6a24e29c1b0bdf89124c331df3cceff533a40"` [INFO] [stderr] Compiling proc-macro2 v1.0.7 [INFO] [stderr] Compiling syn v1.0.13 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling ucd-trie v0.1.2 [INFO] [stderr] Compiling smallvec v1.1.0 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling regex-syntax v0.6.14 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling pest v2.1.2 [INFO] [stderr] Compiling unicode-normalization v0.1.11 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling jobserver v0.1.18 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling pest_meta v2.1.2 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling url v2.1.1 [INFO] [stderr] Compiling regex v1.3.4 [INFO] [stderr] Compiling libz-sys v1.0.25 [INFO] [stderr] Compiling libgit2-sys v0.10.0 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling pest_generator v2.1.1 [INFO] [stderr] Compiling rustversion v1.0.1 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Compiling proc-macro-error v0.4.9 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.9 [INFO] [stderr] Compiling structopt-derive v0.4.2 [INFO] [stderr] Compiling git2 v0.11.0 [INFO] [stderr] Compiling structopt v0.3.9 [INFO] [stderr] Compiling convco v0.2.2 (/opt/rustwide/workdir) [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] error: failed to run custom build command for `convco v0.2.2 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/convco-e99999c51786674b/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:11:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x56212884f884 - backtrace::backtrace::libunwind::trace::h61666fa4b9834a45 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x56212884f884 - backtrace::backtrace::trace_unsynchronized::h01d3725fb5da8653 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x56212884f884 - std::sys_common::backtrace::_print_fmt::h5c7c4751bc296f90 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x56212884f884 - ::fmt::h7729313ad2d729c7 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x56212886e2dc - core::fmt::write::hb0049f6c12bdaffc [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x56212884da43 - std::io::Write::write_fmt::hfb486fa6ccb90f14 [INFO] [stderr] at src/libstd/io/mod.rs:1504 [INFO] [stderr] 6: 0x562128851e25 - std::sys_common::backtrace::_print::ha087cac92e84a414 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x562128851e25 - std::sys_common::backtrace::print::h6b013d3bfe6cbcb8 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x562128851e25 - std::panicking::default_hook::{{closure}}::h016d7de02def2736 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x562128851b62 - std::panicking::default_hook::h9386f7e484840463 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x562128852432 - std::panicking::rust_panic_with_hook::h3846eb1b2e5a9312 [INFO] [stderr] at src/libstd/panicking.rs:511 [INFO] [stderr] 11: 0x56212885201b - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:419 [INFO] [stderr] 12: 0x56212886d6c1 - core::panicking::panic_fmt::hc5953a7331f9805c [INFO] [stderr] at src/libcore/panicking.rs:111 [INFO] [stderr] 13: 0x56212886d4e3 - core::option::expect_none_failed::hf2c575a7b931ce1f [INFO] [stderr] at src/libcore/option.rs:1268 [INFO] [stderr] 14: 0x5621287c9f90 - core::result::Result::unwrap::hbec320332c646f08 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/result.rs:1005 [INFO] [stderr] 15: 0x5621287c415a - build_script_build::main::hc7cfa469abb48de6 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:11 [INFO] [stderr] 16: 0x5621287c89ab - std::rt::lang_start::{{closure}}::h2cc571ddddbb0b5c [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x562128852878 - std::rt::lang_start_internal::{{closure}}::h76043ceda1ce1596 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x562128852878 - std::panicking::try::do_call::hb3d81a78fdf1ed63 [INFO] [stderr] at src/libstd/panicking.rs:331 [INFO] [stderr] 19: 0x562128852878 - std::panicking::try::he8d7c35962fb5d7e [INFO] [stderr] at src/libstd/panicking.rs:274 [INFO] [stderr] 20: 0x562128852878 - std::panic::catch_unwind::h643ad9bfe058a347 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 21: 0x562128852878 - std::rt::lang_start_internal::h4b0f023744ce345f [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 22: 0x5621287c8987 - std::rt::lang_start::h3e858c1d96188bbb [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/rt.rs:67 [INFO] [stderr] 23: 0x5621287c7afa - main [INFO] [stderr] 24: 0x7fb49dabab97 - __libc_start_main [INFO] [stderr] 25: 0x5621287c3f7a - _start [INFO] [stderr] 26: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "c7e7a54940484992a54175b203b6a24e29c1b0bdf89124c331df3cceff533a40"` [INFO] running `"docker" "rm" "-f" "c7e7a54940484992a54175b203b6a24e29c1b0bdf89124c331df3cceff533a40"` [INFO] [stdout] c7e7a54940484992a54175b203b6a24e29c1b0bdf89124c331df3cceff533a40