[INFO] fetching crate convco 0.3.2... [INFO] checking convco-0.3.2 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863 [INFO] extracting crate convco 0.3.2 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate convco 0.3.2 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2/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" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 608d954d35cf564a5bc917e632a3d027eca54a955c62775d7f5703ae3c26cea3 [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" "608d954d35cf564a5bc917e632a3d027eca54a955c62775d7f5703ae3c26cea3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "608d954d35cf564a5bc917e632a3d027eca54a955c62775d7f5703ae3c26cea3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "608d954d35cf564a5bc917e632a3d027eca54a955c62775d7f5703ae3c26cea3", kill_on_drop: false }` [INFO] [stdout] 608d954d35cf564a5bc917e632a3d027eca54a955c62775d7f5703ae3c26cea3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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] e81c2febca3a79146693bcd0136cb398275163fdb9c5dd7e735362064e0295f4 [INFO] running `Command { std: "docker" "start" "-a" "e81c2febca3a79146693bcd0136cb398275163fdb9c5dd7e735362064e0295f4", 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] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling pkg-config v0.3.18 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Checking tinyvec v0.3.3 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking linked-hash-map v0.5.3 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking dtoa v0.4.6 [INFO] [stderr] Checking quick-error v2.0.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking yaml-rust v0.4.4 [INFO] [stderr] Checking unicode-normalization v0.1.13 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [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 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 proc-macro-error-attr v1.0.4 [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] Checking url v2.1.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling libz-sys v1.0.27 [INFO] [stderr] Compiling libgit2-sys v0.12.9+1.0.1 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking console v0.11.3 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Checking dialoguer v0.6.2 [INFO] [stderr] Compiling serde_derive v1.0.115 [INFO] [stderr] Compiling structopt-derive v0.4.9 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Checking git2 v0.13.8 [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-f38356086e4c7560/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: 0x5613944738a0 - std::backtrace_rs::backtrace::libunwind::trace::hb4de9797f80b7b8c [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x5613944738a0 - std::backtrace_rs::backtrace::trace_unsynchronized::h59566d0bd20efff7 [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x5613944738a0 - std::sys_common::backtrace::_print_fmt::hcfa5ce6be50275d4 [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x5613944738a0 - ::fmt::hd8c307a38b9bab04 [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x56139448ad0c - core::fmt::write::h3868db8542c90941 [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/core/src/fmt/mod.rs:1096:17 [INFO] [stderr] 5: 0x5613944712b2 - std::io::Write::write_fmt::hab90295d5a0f197d [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/io/mod.rs:1568:15 [INFO] [stderr] 6: 0x561394475585 - std::sys_common::backtrace::_print::h19224910b8700cf1 [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x561394475585 - std::sys_common::backtrace::print::h25dedfa68c5fb84a [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x561394475585 - std::panicking::default_hook::{{closure}}::h12c5765653a72a42 [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x5613944750e3 - std::panicking::default_hook::he65cee71c4209f0c [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x561394475d21 - std::panicking::rust_panic_with_hook::h01a674d863fe0d8a [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x561394475867 - std::panicking::begin_panic_handler::{{closure}}::h9b9fecf185178864 [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x561394473d3c - std::sys_common::backtrace::__rust_end_short_backtrace::h57be46a42dc7f24b [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x5613944757c9 - rust_begin_unwind [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x56139448a0e1 - core::panicking::panic_fmt::h20225113c4a2f8fd [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x561394489f03 - core::option::expect_none_failed::hc6d6d4cea4fdc285 [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/core/src/option.rs:1300:5 [INFO] [stderr] 16: 0x5613943f6341 - core::result::Result::unwrap::h9bf2e65fae47310e [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/core/src/result.rs:1037:23 [INFO] [stderr] 17: 0x5613943f0275 - build_script_build::main::hcd86fa1507489697 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:11:5 [INFO] [stderr] 18: 0x5613943f4cfb - core::ops::function::FnOnce::call_once::h68d986bbbf4fb935 [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x5613943f58be - std::sys_common::backtrace::__rust_begin_short_backtrace::h325c52d2c8365534 [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x5613943f83d1 - std::rt::lang_start::{{closure}}::hf05aab950905234c [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x561394476147 - core::ops::function::impls:: for &F>::call_once::h2c4fd7d4128112a8 [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x561394476147 - std::panicking::try::do_call::h41fb7dbbbe7bece6 [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x561394476147 - std::panicking::try::hd38008ccba72bce1 [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x561394476147 - std::panic::catch_unwind::h057e765cd60f2d13 [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/panic.rs:431:14 [INFO] [stderr] 25: 0x561394476147 - std::rt::lang_start_internal::hdb9d0b9d2cdcda8b [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x5613943f83a7 - std::rt::lang_start::h931ddf4a1cf1e2fb [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x5613943f3c6a - main [INFO] [stderr] 28: 0x7f90d05fd0b3 - __libc_start_main [INFO] [stderr] 29: 0x5613943f00be - _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" "e81c2febca3a79146693bcd0136cb398275163fdb9c5dd7e735362064e0295f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e81c2febca3a79146693bcd0136cb398275163fdb9c5dd7e735362064e0295f4", kill_on_drop: false }` [INFO] [stdout] e81c2febca3a79146693bcd0136cb398275163fdb9c5dd7e735362064e0295f4