[INFO] fetching crate score 0.2.0... [INFO] testing score-0.2.0 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296 [INFO] extracting crate score 0.2.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate score 0.2.0 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate score 0.2.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate score 0.2.0 [INFO] tweaked toml for crates.io crate score 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 992c716aa42c5fd0c30d11ed667d9965eeef5a469ce9305985180efc7a89339b [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" "992c716aa42c5fd0c30d11ed667d9965eeef5a469ce9305985180efc7a89339b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "992c716aa42c5fd0c30d11ed667d9965eeef5a469ce9305985180efc7a89339b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "992c716aa42c5fd0c30d11ed667d9965eeef5a469ce9305985180efc7a89339b", kill_on_drop: false }` [INFO] [stdout] 992c716aa42c5fd0c30d11ed667d9965eeef5a469ce9305985180efc7a89339b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ed187d91c69a994b2ce7d2e118f394d4c5c637c47f7bb9c83714efeb9e23fa05 [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" "ed187d91c69a994b2ce7d2e118f394d4c5c637c47f7bb9c83714efeb9e23fa05", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling winapi v0.2.8 [INFO] [stderr] Compiling encoding_index_tests v0.1.4 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling cc v1.0.65 [INFO] [stderr] Compiling tinyvec_macros v0.1.0 [INFO] [stderr] Compiling regex-syntax v0.3.9 [INFO] [stderr] Compiling utf8-ranges v0.1.3 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling buf_redux v0.1.3 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling ascii v0.7.1 [INFO] [stderr] Compiling chunked_transfer v0.3.1 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling sha1 v0.2.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling brotli-sys v0.2.1 [INFO] [stderr] Compiling tinyvec v1.1.0 [INFO] [stderr] Compiling encoding-index-japanese v1.20141219.5 [INFO] [stderr] Compiling encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Compiling encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Compiling encoding-index-korean v1.20141219.5 [INFO] [stderr] Compiling encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling phf v0.7.24 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [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 log v0.3.9 [INFO] [stderr] Compiling term v0.2.14 [INFO] [stderr] Compiling encoding v0.2.33 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling miniz-sys v0.1.12 [INFO] [stderr] Compiling serde v0.6.15 [INFO] [stderr] Compiling unicode-normalization v0.1.16 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling memchr v0.1.11 [INFO] [stderr] Compiling thread-id v2.0.0 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling filetime v0.1.15 [INFO] [stderr] Compiling aho-corasick v0.5.3 [INFO] [stderr] Compiling thread_local v0.2.7 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling flate2 v0.2.20 [INFO] [stderr] Compiling regex v0.1.80 [INFO] [stderr] Compiling chrono v0.2.25 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling uuid v0.1.18 [INFO] [stderr] Compiling url v0.2.38 [INFO] [stderr] Compiling mime v0.1.3 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling env_logger v0.3.5 [INFO] [stderr] Compiling mime_guess v1.5.0 [INFO] [stderr] Compiling tiny_http v0.5.9 [INFO] [stderr] Compiling brotli2 v0.2.2 [INFO] [stderr] error: failed to run custom build command for `mime_guess v1.5.0` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/mime_guess-564c5431376aeeec/build-script-gen_mime_types` (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" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.5.0/src/gen_mime_types.rs:16:67 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x560bb9cf4c80 - std::backtrace_rs::backtrace::libunwind::trace::h95fc93571932622e [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x560bb9cf4c80 - std::backtrace_rs::backtrace::trace_unsynchronized::h4d0b90afc33151fd [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x560bb9cf4c80 - std::sys_common::backtrace::_print_fmt::h93d302d001a3bf01 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x560bb9cf4c80 - ::fmt::h7881e3a580134f9a [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x560bb9d101fc - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/fmt/mod.rs:1078:17 [INFO] [stderr] 5: 0x560bb9cf2ee2 - std::io::Write::write_fmt::h24485de26f355188 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/io/mod.rs:1519:15 [INFO] [stderr] 6: 0x560bb9cf6f45 - std::sys_common::backtrace::_print::h3e3f9fed81bc11e9 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x560bb9cf6f45 - std::sys_common::backtrace::print::hd22ac23fed5071c8 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x560bb9cf6f45 - std::panicking::default_hook::{{closure}}::h1647bdcf68060e17 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x560bb9cf6a9a - std::panicking::default_hook::hb08853b392b9404b [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x560bb9cf76e1 - std::panicking::rust_panic_with_hook::h3624ee29da369ede [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x560bb9cf7227 - std::panicking::begin_panic_handler::{{closure}}::hefcfcedcde6bb6d9 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x560bb9cf513c - std::sys_common::backtrace::__rust_end_short_backtrace::heb130cec93caa706 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x560bb9cf7189 - rust_begin_unwind [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x560bb9d0f5a1 - core::panicking::panic_fmt::hb15d6f55e8472f62 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x560bb9d0f3c3 - core::option::expect_none_failed::he492a18657d97593 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/option.rs:1268:5 [INFO] [stderr] 16: 0x560bb9cc7fab - core::result::Result::unwrap::he38a97f9f7b175c2 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/result.rs:973:23 [INFO] [stderr] 17: 0x560bb9cc5abb - build_script_gen_mime_types::main::h471b000db75e793a [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.5.0/src/gen_mime_types.rs:16:38 [INFO] [stderr] 18: 0x560bb9cc8f2b - core::ops::function::FnOnce::call_once::h8a72fd7e7b16f580 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x560bb9cd05ee - std::sys_common::backtrace::__rust_begin_short_backtrace::hb1fd3b7a227bf3eb [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x560bb9cc7391 - std::rt::lang_start::{{closure}}::hb49953d16cf4bd80 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x560bb9cf7b07 - core::ops::function::impls:: for &F>::call_once::h194d6aa01fb6b594 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x560bb9cf7b07 - std::panicking::try::do_call::h4ef477456776cccb [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x560bb9cf7b07 - std::panicking::try::h7f2121b6bb3bbca4 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x560bb9cf7b07 - std::panic::catch_unwind::he974d0ca04309948 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panic.rs:396:14 [INFO] [stderr] 25: 0x560bb9cf7b07 - std::rt::lang_start_internal::h36e9e78490120b9f [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x560bb9cc7367 - std::rt::lang_start::h6e2f4b7d80b3b31b [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x560bb9cc5ffa - main [INFO] [stderr] 28: 0x7f2bacef30b3 - __libc_start_main [INFO] [stderr] 29: 0x560bb9cb70ae - _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" "ed187d91c69a994b2ce7d2e118f394d4c5c637c47f7bb9c83714efeb9e23fa05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed187d91c69a994b2ce7d2e118f394d4c5c637c47f7bb9c83714efeb9e23fa05", kill_on_drop: false }` [INFO] [stdout] ed187d91c69a994b2ce7d2e118f394d4c5c637c47f7bb9c83714efeb9e23fa05