[INFO] fetching crate felloe 0.1.1... [INFO] testing felloe-0.1.1 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] extracting crate felloe 0.1.1 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate felloe 0.1.1 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate felloe 0.1.1 [INFO] finished tweaking crates.io crate felloe 0.1.1 [INFO] tweaked toml for crates.io crate felloe 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate crates.io crate felloe 0.1.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3978ef106c22bbc9286df79cb001e8d4041f665e7676ac525774e901db0da335 [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" "3978ef106c22bbc9286df79cb001e8d4041f665e7676ac525774e901db0da335", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3978ef106c22bbc9286df79cb001e8d4041f665e7676ac525774e901db0da335", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3978ef106c22bbc9286df79cb001e8d4041f665e7676ac525774e901db0da335", kill_on_drop: false }` [INFO] [stdout] 3978ef106c22bbc9286df79cb001e8d4041f665e7676ac525774e901db0da335 [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" "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 931cc03106d401c6f3178a2cbe19f00b45a5f5ea560eb9c403c9ff5543ec4af4 [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" "931cc03106d401c6f3178a2cbe19f00b45a5f5ea560eb9c403c9ff5543ec4af4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.72 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling syn v1.0.34 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling futures v0.1.29 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling cc v1.0.58 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling adler v0.2.3 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling gimli v0.22.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling foreign-types-shared v0.1.1 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling openssl v0.10.30 [INFO] [stderr] Compiling object v0.20.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling try-lock v0.2.3 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling serde_json v1.0.56 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling native-tls v0.2.4 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling encoding_rs v0.8.23 [INFO] [stderr] Compiling openssl-probe v0.1.2 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling dtoa v0.4.6 [INFO] [stderr] Compiling mime v0.3.16 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling termcolor v1.1.0 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling number_prefix v0.3.0 [INFO] [stderr] Compiling try_from v0.3.2 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling miniz_oxide v0.4.0 [INFO] [stderr] Compiling foreign-types v0.3.2 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.3 [INFO] [stderr] Compiling proc-macro-error v1.0.3 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling error-chain v0.12.2 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.5 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling indexmap v1.4.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling block-padding v0.1.5 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling tokio-sync v0.1.8 [INFO] [stderr] Compiling want v0.2.0 [INFO] [stderr] Compiling smallvec v0.6.13 [INFO] [stderr] Compiling openssl-sys v0.9.58 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling hyper v0.12.35 [INFO] [stderr] Compiling aho-corasick v0.7.13 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling url v2.1.1 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling net2 v0.2.34 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling termios v0.3.2 [INFO] [stderr] Compiling terminal_size v0.1.13 [INFO] [stderr] Compiling xattr v0.2.2 [INFO] [stderr] Compiling filetime v0.2.10 [INFO] [stderr] Compiling flate2 v1.0.16 [INFO] [stderr] Compiling dirs-sys v0.3.5 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling tokio-executor v0.1.10 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling mio v0.6.22 [INFO] [stderr] Compiling clap v2.33.1 [INFO] [stderr] Compiling cookie v0.12.0 [INFO] [stderr] Compiling addr2line v0.13.0 [INFO] [stderr] Compiling tar v0.4.29 [INFO] [stderr] Compiling dirs v2.0.2 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling tokio-timer v0.2.13 [INFO] [stderr] Compiling tokio-current-thread v0.1.7 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling http v0.1.21 [INFO] [stderr] Compiling tokio-buf v0.1.1 [INFO] [stderr] Compiling string v0.2.1 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling backtrace v0.3.50 [INFO] [stderr] Compiling sha2 v0.8.2 [INFO] [stderr] Compiling crossterm v0.13.3 [INFO] [stderr] Compiling tokio-threadpool v0.1.18 [INFO] [stderr] Compiling uuid v0.7.4 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling publicsuffix v1.5.4 [INFO] [stderr] Compiling console v0.11.3 [INFO] [stderr] Compiling env_logger v0.7.1 [INFO] [stderr] Compiling tokio-tcp v0.1.4 [INFO] [stderr] Compiling indicatif v0.13.0 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling http-body v0.1.0 [INFO] [stderr] Compiling h2 v0.1.26 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling hyper-tls v0.3.2 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling structopt-derive v0.4.8 [INFO] [stderr] Compiling exitfailure v0.5.1 [INFO] [stderr] Compiling structopt v0.3.15 [INFO] [stderr] Compiling felloe v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `felloe v0.1.1 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/felloe-8b5289267298743d/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:21:42 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x558dbb7c6cb5 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x558dbb7c6cb5 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x558dbb7c6cb5 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x558dbb7c6cb5 - ::fmt::hb4bdb37c3c335733 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x558dbb7e58ac - core::fmt::write::h540ac4a6a1232abc [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x558dbb7c4b52 - std::io::Write::write_fmt::h5ffa1b5a7703af47 [INFO] [stderr] at src/libstd/io/mod.rs:1539 [INFO] [stderr] 6: 0x558dbb7c90f0 - std::sys_common::backtrace::_print::hb55cc635eaf1882e [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x558dbb7c90f0 - std::sys_common::backtrace::print::h2b2218fa55714084 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x558dbb7c90f0 - std::panicking::default_hook::{{closure}}::h578517c025765cf3 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x558dbb7c8e3c - std::panicking::default_hook::h4cafc94c2fc640fb [INFO] [stderr] at src/libstd/panicking.rs:217 [INFO] [stderr] 10: 0x558dbb7c9733 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3 [INFO] [stderr] at src/libstd/panicking.rs:526 [INFO] [stderr] 11: 0x558dbb7c932b - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:437 [INFO] [stderr] 12: 0x558dbb7e4cb1 - core::panicking::panic_fmt::h78830ea6a34e7206 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 13: 0x558dbb7e4ad3 - core::option::expect_none_failed::hf79bbb5ca7e09e08 [INFO] [stderr] at src/libcore/option.rs:1269 [INFO] [stderr] 14: 0x558dbb74f600 - core::result::Result::unwrap::h0cbfd4f8b89e1680 [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libcore/result.rs:1005 [INFO] [stderr] 15: 0x558dbb74b64e - build_script_build::main::h502caec252638c55 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:21 [INFO] [stderr] 16: 0x558dbb74febb - std::rt::lang_start::{{closure}}::h678050c2454e1dae [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x558dbb7c9b03 - std::rt::lang_start_internal::{{closure}}::h155f3093add35bce [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x558dbb7c9b03 - std::panicking::try::do_call::h45f1f66ee6b987d6 [INFO] [stderr] at src/libstd/panicking.rs:348 [INFO] [stderr] 19: 0x558dbb7c9b03 - std::panicking::try::h0924dfb942cef7e3 [INFO] [stderr] at src/libstd/panicking.rs:325 [INFO] [stderr] 20: 0x558dbb7c9b03 - std::panic::catch_unwind::h883180846c5b53fa [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 21: 0x558dbb7c9b03 - std::rt::lang_start_internal::he9284d43a52786c5 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 22: 0x558dbb74fe97 - std::rt::lang_start::h8bf519ba016ae054 [INFO] [stderr] at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/rt.rs:67 [INFO] [stderr] 23: 0x558dbb74ed3a - main [INFO] [stderr] 24: 0x7f0f2a4770b3 - __libc_start_main [INFO] [stderr] 25: 0x558dbb74b19e - _start [INFO] [stderr] 26: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "931cc03106d401c6f3178a2cbe19f00b45a5f5ea560eb9c403c9ff5543ec4af4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "931cc03106d401c6f3178a2cbe19f00b45a5f5ea560eb9c403c9ff5543ec4af4", kill_on_drop: false }` [INFO] [stdout] 931cc03106d401c6f3178a2cbe19f00b45a5f5ea560eb9c403c9ff5543ec4af4