[INFO] fetching crate score 0.2.0... [INFO] checking score-0.2.0 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863 [INFO] extracting crate score 0.2.0 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate score 0.2.0 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 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-9/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 82c93ed1e925dd1c490e2e459f9aec4076a954723a250711ba439d77d964f206 [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" "82c93ed1e925dd1c490e2e459f9aec4076a954723a250711ba439d77d964f206", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "82c93ed1e925dd1c490e2e459f9aec4076a954723a250711ba439d77d964f206", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82c93ed1e925dd1c490e2e459f9aec4076a954723a250711ba439d77d964f206", kill_on_drop: false }` [INFO] [stdout] 82c93ed1e925dd1c490e2e459f9aec4076a954723a250711ba439d77d964f206 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/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] 88007a63d7b6e5b488f5109a14cb558f7e2026c55b8122d0548c60bf7aaa18d3 [INFO] running `Command { std: "docker" "start" "-a" "88007a63d7b6e5b488f5109a14cb558f7e2026c55b8122d0548c60bf7aaa18d3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.86 [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] Compiling log v0.4.14 [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] Checking utf8-ranges v0.1.3 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Compiling bitflags v1.2.1 [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 cfg-if v0.1.10 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking sha1 v0.2.0 [INFO] [stderr] Checking ansi_term v0.11.0 [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 miniz-sys v0.1.12 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Compiling phf_shared v0.7.24 [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_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [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 idna v0.1.5 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking term v0.2.14 [INFO] [stderr] Compiling brotli-sys v0.2.1 [INFO] [stderr] Checking url v1.7.2 [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 filetime v0.1.15 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Checking flate2 v0.2.20 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking serde v0.6.15 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Checking chrono v0.2.25 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking uuid v0.1.18 [INFO] [stderr] Checking url v0.2.38 [INFO] [stderr] Checking mime v0.1.3 [INFO] [stderr] Checking tiny_http v0.5.9 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Checking env_logger v0.3.5 [INFO] [stderr] Compiling phf_codegen v0.7.24 [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-bca5b62680bcb009/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: 0x56455f49b7d0 - 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: 0x56455f49b7d0 - 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: 0x56455f49b7d0 - std::sys_common::backtrace::_print_fmt::hcfa5ce6be50275d4 [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x56455f49b7d0 - ::fmt::hd8c307a38b9bab04 [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x56455f4b2ecc - core::fmt::write::h3868db8542c90941 [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/core/src/fmt/mod.rs:1096:17 [INFO] [stderr] 5: 0x56455f4999b2 - std::io::Write::write_fmt::hab90295d5a0f197d [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/io/mod.rs:1568:15 [INFO] [stderr] 6: 0x56455f49d425 - std::sys_common::backtrace::_print::h19224910b8700cf1 [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x56455f49d425 - std::sys_common::backtrace::print::h25dedfa68c5fb84a [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x56455f49d425 - std::panicking::default_hook::{{closure}}::h12c5765653a72a42 [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x56455f49cf83 - std::panicking::default_hook::he65cee71c4209f0c [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x56455f49dbc1 - std::panicking::rust_panic_with_hook::h01a674d863fe0d8a [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x56455f49d707 - std::panicking::begin_panic_handler::{{closure}}::h9b9fecf185178864 [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x56455f49bc6c - 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: 0x56455f49d669 - rust_begin_unwind [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x56455f4b22a1 - core::panicking::panic_fmt::h20225113c4a2f8fd [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x56455f4b20c3 - core::option::expect_none_failed::hc6d6d4cea4fdc285 [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/core/src/option.rs:1300:5 [INFO] [stderr] 16: 0x56455f46869b - core::result::Result::unwrap::h4711e92d48f582b1 [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/core/src/result.rs:1037:23 [INFO] [stderr] 17: 0x56455f468b6b - build_script_gen_mime_types::main::hf9da3dbd8b5dc5d2 [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: 0x56455f46abab - core::ops::function::FnOnce::call_once::h802e4c0d6b7008a7 [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x56455f47992e - std::sys_common::backtrace::__rust_begin_short_backtrace::h34538a31fdfd6b0d [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x56455f46a6d1 - std::rt::lang_start::{{closure}}::h83ba087831a366ee [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x56455f49dfe7 - 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: 0x56455f49dfe7 - std::panicking::try::do_call::h41fb7dbbbe7bece6 [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x56455f49dfe7 - std::panicking::try::hd38008ccba72bce1 [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x56455f49dfe7 - std::panic::catch_unwind::h057e765cd60f2d13 [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/panic.rs:431:14 [INFO] [stderr] 25: 0x56455f49dfe7 - std::rt::lang_start_internal::hdb9d0b9d2cdcda8b [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x56455f46a6a7 - std::rt::lang_start::h0d2398d50c484f30 [INFO] [stderr] at /rustc/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x56455f4690ca - main [INFO] [stderr] 28: 0x7f32523cd0b3 - __libc_start_main [INFO] [stderr] 29: 0x56455f4580ae - _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" "88007a63d7b6e5b488f5109a14cb558f7e2026c55b8122d0548c60bf7aaa18d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88007a63d7b6e5b488f5109a14cb558f7e2026c55b8122d0548c60bf7aaa18d3", kill_on_drop: false }` [INFO] [stdout] 88007a63d7b6e5b488f5109a14cb558f7e2026c55b8122d0548c60bf7aaa18d3