[INFO] fetching crate score 0.2.0... [INFO] checking score-0.2.0 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789 [INFO] extracting crate score 0.2.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate score 0.2.0 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "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-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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" "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" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2305e07e7bb6a846a0b1efe8729b543eb77f41bbdc4207e18de79adb9a1a775f [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" "2305e07e7bb6a846a0b1efe8729b543eb77f41bbdc4207e18de79adb9a1a775f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2305e07e7bb6a846a0b1efe8729b543eb77f41bbdc4207e18de79adb9a1a775f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2305e07e7bb6a846a0b1efe8729b543eb77f41bbdc4207e18de79adb9a1a775f", kill_on_drop: false }` [INFO] [stdout] 2305e07e7bb6a846a0b1efe8729b543eb77f41bbdc4207e18de79adb9a1a775f [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" "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" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3da8366a95f364007a9f7941ed923c94c92c189e1d47ecc38e9b416ac143c1e5 [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" "3da8366a95f364007a9f7941ed923c94c92c189e1d47ecc38e9b416ac143c1e5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Checking ascii v0.7.1 [INFO] [stderr] Checking chunked_transfer v0.3.1 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking buf_redux v0.1.3 [INFO] [stderr] Checking glob v0.2.11 [INFO] [stderr] Compiling num-traits v0.2.14 [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 miniz-sys v0.1.12 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Checking idna v0.1.5 [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_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Checking phf v0.7.24 [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] Checking term v0.2.14 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking filetime v0.1.15 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking flate2 v0.2.20 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Checking serde v0.6.15 [INFO] [stderr] Checking chrono v0.2.25 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking uuid v0.1.18 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Checking url v0.2.38 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling mime_guess v1.5.0 [INFO] [stderr] Checking mime v0.1.3 [INFO] [stderr] Checking env_logger v0.3.5 [INFO] [stderr] Checking tiny_http v0.5.9 [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-d5c061f8fc3501b8/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: 0x5564a98ec790 - std::backtrace_rs::backtrace::libunwind::trace::hec7eaac9435d3512 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x5564a98ec790 - std::backtrace_rs::backtrace::trace_unsynchronized::h42791b8fa12b7daa [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x5564a98ec790 - std::sys_common::backtrace::_print_fmt::h3da3ebe04fb665a8 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x5564a98ec790 - ::fmt::he40bcdde3c4491cd [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x5564a990713f - core::fmt::write::h2c729149c08098ab [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/core/src/fmt/mod.rs:1094:17 [INFO] [stderr] 5: 0x5564a98eb165 - std::io::Write::write_fmt::h28e0f2f58b8d7b7e [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/io/mod.rs:1580:15 [INFO] [stderr] 6: 0x5564a98ee2bb - std::sys_common::backtrace::_print::h7f0223b1e3d898fc [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x5564a98ee2bb - std::sys_common::backtrace::print::h58edd634a14c2d4c [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x5564a98ee2bb - std::panicking::default_hook::{{closure}}::h71657a7591430164 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x5564a98edd9d - std::panicking::default_hook::hcdf4eb5db072c85b [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x5564a98ee86d - std::panicking::rust_panic_with_hook::hfb91e961ffb5b8e0 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x5564a98ee467 - std::panicking::begin_panic_handler::{{closure}}::h984d540e84311150 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x5564a98ecc2c - std::sys_common::backtrace::__rust_end_short_backtrace::h32354258ff2aecd1 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x5564a98ee3c9 - rust_begin_unwind [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x5564a98b3ec1 - core::panicking::panic_fmt::he3827412471ccbb1 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x5564a98b3f53 - core::result::unwrap_failed::h6e66654d198da7bd [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/core/src/result.rs:1355:5 [INFO] [stderr] 16: 0x5564a98cfd0a - core::result::Result::unwrap::h3858dbb2ac1d01e7 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/core/src/result.rs:1037:23 [INFO] [stderr] 17: 0x5564a98d7f8b - build_script_gen_mime_types::main::h4b821f3f75d9cf1f [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: 0x5564a98c556b - core::ops::function::FnOnce::call_once::hdecfd8291ebd2545 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x5564a98d33ee - std::sys_common::backtrace::__rust_begin_short_backtrace::hed862f5f72b948d5 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x5564a98d6e41 - std::rt::lang_start::{{closure}}::h1bd8c278c46f9c9a [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x5564a98eec6a - core::ops::function::impls:: for &F>::call_once::hd5953dadf0bc8f54 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x5564a98eec6a - std::panicking::try::do_call::h23b369f1996fb7d4 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x5564a98eec6a - std::panicking::try::he017ee9ed6bce192 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x5564a98eec6a - std::panic::catch_unwind::hbfb892340a78b30d [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panic.rs:431:14 [INFO] [stderr] 25: 0x5564a98eec6a - std::rt::lang_start_internal::hce6e4c0ce56abb51 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x5564a98d6e20 - std::rt::lang_start::h52c9c2813bb521b2 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x5564a98d84cc - main [INFO] [stderr] 28: 0x7fbb59f0c0b3 - __libc_start_main [INFO] [stderr] 29: 0x5564a98b45be - _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" "3da8366a95f364007a9f7941ed923c94c92c189e1d47ecc38e9b416ac143c1e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3da8366a95f364007a9f7941ed923c94c92c189e1d47ecc38e9b416ac143c1e5", kill_on_drop: false }` [INFO] [stdout] 3da8366a95f364007a9f7941ed923c94c92c189e1d47ecc38e9b416ac143c1e5