[INFO] fetching crate score 0.2.0... [INFO] testing score-0.2.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479 [INFO] extracting crate score 0.2.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate score 0.2.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded chrono v0.2.25 [INFO] [stderr] Downloaded rouille v1.0.3 [INFO] [stderr] Downloaded mime_guess v1.5.0 [INFO] [stderr] Downloaded chunked_transfer v0.3.1 [INFO] [stderr] Downloaded brotli2 v0.2.2 [INFO] [stderr] Downloaded multipart v0.5.1 [INFO] [stderr] Downloaded ascii v0.7.1 [INFO] [stderr] Downloaded tiny_http v0.5.9 [INFO] [stderr] Downloaded brotli-sys v0.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 09cced8c894c0ce38c8fc26ff26ecbe8345f63d943d9e668d26b936a8435e479 [INFO] running `Command { std: "docker" "start" "-a" "09cced8c894c0ce38c8fc26ff26ecbe8345f63d943d9e668d26b936a8435e479", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "09cced8c894c0ce38c8fc26ff26ecbe8345f63d943d9e668d26b936a8435e479", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09cced8c894c0ce38c8fc26ff26ecbe8345f63d943d9e668d26b936a8435e479", kill_on_drop: false }` [INFO] [stdout] 09cced8c894c0ce38c8fc26ff26ecbe8345f63d943d9e668d26b936a8435e479 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b9a4a53c8d332e7c07fde6de2ade21feafc04f2f0d2c4f0295507664a37abeba [INFO] running `Command { std: "docker" "start" "-a" "b9a4a53c8d332e7c07fde6de2ade21feafc04f2f0d2c4f0295507664a37abeba", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling encoding_index_tests v0.1.4 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling winapi v0.2.8 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Compiling tinyvec_macros v0.1.0 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling utf8-ranges v0.1.3 [INFO] [stderr] Compiling regex-syntax v0.3.9 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling buf_redux v0.1.3 [INFO] [stderr] Compiling chunked_transfer v0.3.1 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling ascii v0.7.1 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling sha1 v0.2.0 [INFO] [stderr] Compiling glob v0.2.11 [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 unicode-bidi v0.3.5 [INFO] [stderr] Compiling phf v0.7.24 [INFO] [stderr] Compiling encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Compiling encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Compiling encoding-index-japanese v1.20141219.5 [INFO] [stderr] Compiling encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Compiling encoding-index-korean v1.20141219.5 [INFO] [stderr] Compiling tinyvec v1.3.1 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [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] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Compiling encoding v0.2.33 [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 log v0.3.9 [INFO] [stderr] Compiling term v0.2.14 [INFO] [stderr] Compiling brotli-sys v0.2.1 [INFO] [stderr] Compiling unicode-normalization v0.1.19 [INFO] [stderr] Compiling miniz-sys v0.1.12 [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 clap v2.33.3 [INFO] [stderr] Compiling thread_local v0.2.7 [INFO] [stderr] Compiling aho-corasick v0.5.3 [INFO] [stderr] Compiling regex v0.1.80 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling uuid v0.1.18 [INFO] [stderr] Compiling flate2 v0.2.20 [INFO] [stderr] Compiling url v0.2.38 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling mime_guess v1.5.0 [INFO] [stderr] Compiling serde v0.6.15 [INFO] [stderr] Compiling chrono v0.2.25 [INFO] [stderr] Compiling env_logger v0.3.5 [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-5aa7d3bc9c27b3dc/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: ReadOnlyFilesystem, 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: 0x55f4f115d3e0 - std::backtrace_rs::backtrace::libunwind::trace::h99dbb39dca18857d [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55f4f115d3e0 - std::backtrace_rs::backtrace::trace_unsynchronized::h832861927e9cfedf [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55f4f115d3e0 - std::sys_common::backtrace::_print_fmt::h3d18154c77dcf310 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55f4f115d3e0 - ::fmt::he312f4ad5b9bb346 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55f4f117795c - core::fmt::write::h9a6d9c74526a6c1b [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/fmt/mod.rs:1115:17 [INFO] [stderr] 5: 0x55f4f115be15 - std::io::Write::write_fmt::h6aced00850e8186f [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/io/mod.rs:1665:15 [INFO] [stderr] 6: 0x55f4f115f01b - std::sys_common::backtrace::_print::h65d996766de40da4 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55f4f115f01b - std::sys_common::backtrace::print::h40df9727e635f303 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55f4f115f01b - std::panicking::default_hook::{{closure}}::hd2da4327dea91a51 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55f4f115eaf1 - std::panicking::default_hook::h3d55120ad6ada158 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55f4f115f6e4 - std::panicking::rust_panic_with_hook::hf85dd0bb545e3b55 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:622:17 [INFO] [stderr] 11: 0x55f4f115f1c7 - std::panicking::begin_panic_handler::{{closure}}::h736ae969434da9fa [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:519:13 [INFO] [stderr] 12: 0x55f4f115d8bc - std::sys_common::backtrace::__rust_end_short_backtrace::h6133bb80b1d6c3e0 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55f4f115f129 - rust_begin_unwind [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:515:5 [INFO] [stderr] 14: 0x55f4f1123f11 - core::panicking::panic_fmt::hcf5f6d96e1dd7099 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55f4f1123fa3 - core::result::unwrap_failed::he898b02f57993c42 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/result.rs:1599:5 [INFO] [stderr] 16: 0x55f4f11423fe - core::result::Result::unwrap::hf805985d8d31064d [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/result.rs:1281:23 [INFO] [stderr] 17: 0x55f4f1140e4b - build_script_gen_mime_types::main::hcb506df6034a3881 [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: 0x55f4f1145e8b - core::ops::function::FnOnce::call_once::h98f59ad33a69779a [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55f4f1131ece - std::sys_common::backtrace::__rust_begin_short_backtrace::h51a6b12a25d56d08 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x55f4f1145b31 - std::rt::lang_start::{{closure}}::h0c22e8c82942ba63 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/rt.rs:63:18 [INFO] [stderr] 21: 0x55f4f115fbea - core::ops::function::impls:: for &F>::call_once::h5a0483c8d4e9c15d [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55f4f115fbea - std::panicking::try::do_call::h6ad7918f175f6ddd [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:401:40 [INFO] [stderr] 23: 0x55f4f115fbea - std::panicking::try::hcd5af58f52320690 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:365:19 [INFO] [stderr] 24: 0x55f4f115fbea - std::panic::catch_unwind::hf1ae33ba67228f1e [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:434:14 [INFO] [stderr] 25: 0x55f4f115fbea - std::rt::lang_start_internal::{{closure}}::h4a87bc0aa1312dc5 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/rt.rs:45:48 [INFO] [stderr] 26: 0x55f4f115fbea - std::panicking::try::do_call::h1ade2a52932fc900 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:401:40 [INFO] [stderr] 27: 0x55f4f115fbea - std::panicking::try::h6f4a87ad169e174b [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:365:19 [INFO] [stderr] 28: 0x55f4f115fbea - std::panic::catch_unwind::h043c7f08019f9e2a [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panic.rs:434:14 [INFO] [stderr] 29: 0x55f4f115fbea - std::rt::lang_start_internal::h82825699ebfd70bd [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/rt.rs:45:20 [INFO] [stderr] 30: 0x55f4f1145b00 - std::rt::lang_start::h428e69160834cb58 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/rt.rs:62:5 [INFO] [stderr] 31: 0x55f4f114139c - main [INFO] [stderr] 32: 0x7fe536d020b3 - __libc_start_main [INFO] [stderr] 33: 0x55f4f112466e - _start [INFO] [stderr] 34: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "b9a4a53c8d332e7c07fde6de2ade21feafc04f2f0d2c4f0295507664a37abeba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9a4a53c8d332e7c07fde6de2ade21feafc04f2f0d2c4f0295507664a37abeba", kill_on_drop: false }` [INFO] [stdout] b9a4a53c8d332e7c07fde6de2ade21feafc04f2f0d2c4f0295507664a37abeba