[INFO] fetching crate score 0.2.0... [INFO] checking score-0.2.0 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073 [INFO] extracting crate score 0.2.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate score 0.2.0 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded mime v0.1.3 [INFO] [stderr] Downloaded filetime v0.1.15 [INFO] [stderr] Downloaded serde v0.6.15 [INFO] [stderr] Downloaded ascii v0.7.1 [INFO] [stderr] Downloaded chrono v0.2.25 [INFO] [stderr] Downloaded chunked_transfer v0.3.1 [INFO] [stderr] Downloaded url v0.2.38 [INFO] [stderr] Downloaded tiny_http v0.5.9 [INFO] [stderr] Downloaded buf_redux v0.1.3 [INFO] [stderr] Downloaded uuid v0.1.18 [INFO] [stderr] Downloaded rouille v1.0.3 [INFO] [stderr] Downloaded brotli2 v0.2.2 [INFO] [stderr] Downloaded mime_guess v1.5.0 [INFO] [stderr] Downloaded brotli-sys v0.2.1 [INFO] [stderr] Downloaded multipart v0.5.1 [INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7ae1a37799ccd56ea0e4295c49a29074edb25f24fce294b3cad397f92633ecf2 [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" "7ae1a37799ccd56ea0e4295c49a29074edb25f24fce294b3cad397f92633ecf2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7ae1a37799ccd56ea0e4295c49a29074edb25f24fce294b3cad397f92633ecf2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ae1a37799ccd56ea0e4295c49a29074edb25f24fce294b3cad397f92633ecf2", kill_on_drop: false }` [INFO] [stdout] 7ae1a37799ccd56ea0e4295c49a29074edb25f24fce294b3cad397f92633ecf2 [INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e88099d9374927eedd5e7575cbca74e06bc9bb66ca5db1a593563df4f46a0e13 [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" "e88099d9374927eedd5e7575cbca74e06bc9bb66ca5db1a593563df4f46a0e13", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.95 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Compiling cc v1.0.68 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking ascii v0.7.1 [INFO] [stderr] Checking buf_redux v0.1.3 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking sha1 v0.2.0 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Checking tinyvec v1.2.0 [INFO] [stderr] Checking unicode-bidi v0.3.5 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Checking encoding-index-korean v1.20141219.5 [INFO] [stderr] Checking encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Checking encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-japanese v1.20141219.5 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking log v0.4.14 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Checking unicode-normalization v0.1.17 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking phf v0.7.24 [INFO] [stderr] Checking encoding v0.2.33 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking term v0.2.14 [INFO] [stderr] Compiling brotli-sys v0.2.1 [INFO] [stderr] Compiling miniz-sys v0.1.12 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking filetime v0.1.15 [INFO] [stderr] Checking serde v0.6.15 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Checking chrono v0.2.25 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking flate2 v0.2.20 [INFO] [stderr] Checking uuid v0.1.18 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking url v0.2.38 [INFO] [stderr] Checking tiny_http v0.5.9 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Checking mime v0.1.3 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Checking env_logger v0.3.5 [INFO] [stderr] Compiling mime_guess v1.5.0 [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-78b008975c1067f0/build-script-gen_mime_types` (exit status: 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: 0x5563e3e22410 - std::backtrace_rs::backtrace::libunwind::trace::hdcf4f90f85129e83 [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x5563e3e22410 - std::backtrace_rs::backtrace::trace_unsynchronized::h2669e30cb82f6732 [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x5563e3e22410 - std::sys_common::backtrace::_print_fmt::hfbda19e17f6db318 [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x5563e3e22410 - ::fmt::h1a8751bf59281272 [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x5563e3e3cd8f - core::fmt::write::h7aa6cd0067dca82a [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/core/src/fmt/mod.rs:1094:17 [INFO] [stderr] 5: 0x5563e3e20cf5 - std::io::Write::write_fmt::hd7dd3a1df9b6befb [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/io/mod.rs:1584:15 [INFO] [stderr] 6: 0x5563e3e2404b - std::sys_common::backtrace::_print::h551e9ec8a9fa8106 [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x5563e3e2404b - std::sys_common::backtrace::print::ha4b1c5e95fa040b3 [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x5563e3e2404b - std::panicking::default_hook::{{closure}}::h0b34c9ab7fb9f857 [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x5563e3e23b2d - std::panicking::default_hook::h3067e8318decd17a [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x5563e3e245fd - std::panicking::rust_panic_with_hook::h81b8facc50f34daa [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x5563e3e241f7 - std::panicking::begin_panic_handler::{{closure}}::ha376ab85d95a000e [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x5563e3e228cc - std::sys_common::backtrace::__rust_end_short_backtrace::h6795c8afdd1a77e6 [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x5563e3e24159 - rust_begin_unwind [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x5563e3de8ec1 - core::panicking::panic_fmt::hbe99dddd3092ba3c [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x5563e3de8f53 - core::result::unwrap_failed::hf79563fef9d11ab8 [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/core/src/result.rs:1355:5 [INFO] [stderr] 16: 0x5563e3e072da - core::result::Result::unwrap::h03cab6eaf064275d [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/core/src/result.rs:1037:23 [INFO] [stderr] 17: 0x5563e3e0ad7b - build_script_gen_mime_types::main::hf2c25681d38edcfd [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: 0x5563e3df935b - core::ops::function::FnOnce::call_once::he02d9a71a421dcf4 [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x5563e3e060ae - std::sys_common::backtrace::__rust_begin_short_backtrace::h4f3691de76afcc6a [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x5563e3df4b51 - std::rt::lang_start::{{closure}}::h5ad7e57648173d45 [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/rt.rs:49:18 [INFO] [stderr] 21: 0x5563e3e249fa - core::ops::function::impls:: for &F>::call_once::h3b8c329143d7638a [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x5563e3e249fa - std::panicking::try::do_call::h4b72c261b4eefc1b [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x5563e3e249fa - std::panicking::try::h703d31b7896cbd49 [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x5563e3e249fa - std::panic::catch_unwind::h37cad9b35388a915 [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/panic.rs:431:14 [INFO] [stderr] 25: 0x5563e3e249fa - std::rt::lang_start_internal::hab5a8a909af4f90e [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/rt.rs:34:21 [INFO] [stderr] 26: 0x5563e3df4b30 - std::rt::lang_start::hec535b37a799480e [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/rt.rs:48:5 [INFO] [stderr] 27: 0x5563e3e0b2bc - main [INFO] [stderr] 28: 0x7feea8df60b3 - __libc_start_main [INFO] [stderr] 29: 0x5563e3de95be - _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" "e88099d9374927eedd5e7575cbca74e06bc9bb66ca5db1a593563df4f46a0e13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e88099d9374927eedd5e7575cbca74e06bc9bb66ca5db1a593563df4f46a0e13", kill_on_drop: false }` [INFO] [stdout] e88099d9374927eedd5e7575cbca74e06bc9bb66ca5db1a593563df4f46a0e13