[INFO] cloning repository https://github.com/durka/brainmunch [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/durka/brainmunch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdurka%2Fbrainmunch", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdurka%2Fbrainmunch'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2ed5eee21ab793316b850a47c24cbb210f64e0ca [INFO] checking durka/brainmunch against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdurka%2Fbrainmunch" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/durka/brainmunch on toolchain 195ad4830e11a544391abe296b146450dea8411b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-0/source/.cargo/config [INFO] started tweaking git repo https://github.com/durka/brainmunch [INFO] finished tweaking git repo https://github.com/durka/brainmunch [INFO] tweaked toml for git repo https://github.com/durka/brainmunch written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/durka/brainmunch already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently [INFO] [stderr] disables Cargo from automatically inferring other binary targets. [INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following [INFO] [stderr] files will be included as a binary target: [INFO] [stderr] [INFO] [stderr] * /workspace/builds/worker-0/source/src/main.rs [INFO] [stderr] [INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be [INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself [INFO] [stderr] and disable this warning by adding `autobins = false` to your [package] [INFO] [stderr] section. You may also move the files to a location where Cargo would not [INFO] [stderr] automatically infer them to be a target, such as in subfolders. [INFO] [stderr] [INFO] [stderr] For more information on this warning you can consult [INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] error: the lock file /workspace/builds/worker-0/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently [INFO] [stderr] disables Cargo from automatically inferring other binary targets. [INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following [INFO] [stderr] files will be included as a binary target: [INFO] [stderr] [INFO] [stderr] * /workspace/builds/worker-0/source/src/main.rs [INFO] [stderr] [INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be [INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself [INFO] [stderr] and disable this warning by adding `autobins = false` to your [package] [INFO] [stderr] section. You may also move the files to a location where Cargo would not [INFO] [stderr] automatically infer them to be a target, such as in subfolders. [INFO] [stderr] [INFO] [stderr] For more information on this warning you can consult [INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded foreman v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c3994ebb4cccd2aa7abba682193918d5c70d20d1844f3aafb76d14be10b99139 [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" "c3994ebb4cccd2aa7abba682193918d5c70d20d1844f3aafb76d14be10b99139", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c3994ebb4cccd2aa7abba682193918d5c70d20d1844f3aafb76d14be10b99139", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c3994ebb4cccd2aa7abba682193918d5c70d20d1844f3aafb76d14be10b99139", kill_on_drop: false }` [INFO] [stdout] c3994ebb4cccd2aa7abba682193918d5c70d20d1844f3aafb76d14be10b99139 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7be7d76aee60a1b37c4d7679c4bb5645e28ac550cfd87e4682d475dd6e8e248b [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" "7be7d76aee60a1b37c4d7679c4bb5645e28ac550cfd87e4682d475dd6e8e248b", kill_on_drop: false }` [INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently [INFO] [stderr] disables Cargo from automatically inferring other binary targets. [INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following [INFO] [stderr] files will be included as a binary target: [INFO] [stderr] [INFO] [stderr] * /opt/rustwide/workdir/src/main.rs [INFO] [stderr] [INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be [INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself [INFO] [stderr] and disable this warning by adding `autobins = false` to your [package] [INFO] [stderr] section. You may also move the files to a location where Cargo would not [INFO] [stderr] automatically infer them to be a target, such as in subfolders. [INFO] [stderr] [INFO] [stderr] For more information on this warning you can consult [INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330 [INFO] [stderr] Compiling libc v0.2.90 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling gimli v0.23.0 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling object v0.23.0 [INFO] [stderr] Compiling same-file v0.1.3 [INFO] [stderr] Compiling strum v0.8.0 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling walkdir v1.0.7 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling strum_macros v0.8.0 [INFO] [stderr] Compiling addr2line v0.14.1 [INFO] [stderr] Compiling backtrace v0.3.56 [INFO] [stderr] Compiling error-chain v0.11.0 [INFO] [stderr] Compiling foreman v0.4.0 [INFO] [stderr] Compiling bf v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] The following warnings were emitted during compilation: [INFO] [stderr] [INFO] [stderr] warning: unifdef src/types.pre.rs [INFO] [stderr] [INFO] [stderr] error: failed to run custom build command for `bf v0.1.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/bf-f2e6b84de32f9b5e/build-script-build` (exit code: 101) [INFO] [stderr] --- stdout [INFO] [stderr] cargo:warning=unifdef src/types.pre.rs [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }', build.rs:24:23 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55e4bdbab480 - std::backtrace_rs::backtrace::libunwind::trace::hfe3b1cace85e87d8 [INFO] [stderr] at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55e4bdbab480 - std::backtrace_rs::backtrace::trace_unsynchronized::h542330af06479043 [INFO] [stderr] at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55e4bdbab480 - std::sys_common::backtrace::_print_fmt::h6b88726367858985 [INFO] [stderr] at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55e4bdbab480 - ::fmt::hcd76ce6b485adbea [INFO] [stderr] at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55e4bdbca7af - core::fmt::write::h127419eb46f2ecc9 [INFO] [stderr] at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/core/src/fmt/mod.rs:1092:17 [INFO] [stderr] 5: 0x55e4bdba89f2 - std::io::Write::write_fmt::h0facb64ef2e7f5d8 [INFO] [stderr] at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/io/mod.rs:1567:15 [INFO] [stderr] 6: 0x55e4bdbad1c5 - std::sys_common::backtrace::_print::h7bf1633ea5421f7b [INFO] [stderr] at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55e4bdbad1c5 - std::sys_common::backtrace::print::h5cc4d09049928ba5 [INFO] [stderr] at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55e4bdbad1c5 - std::panicking::default_hook::{{closure}}::h9e84dc005bfc9fc7 [INFO] [stderr] at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55e4bdbacc73 - std::panicking::default_hook::h123278a03b1f796b [INFO] [stderr] at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55e4bdbad7cd - std::panicking::rust_panic_with_hook::h4040631aa6c7bc27 [INFO] [stderr] at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x55e4bdbad367 - std::panicking::begin_panic_handler::{{closure}}::h02a17b22ac092d08 [INFO] [stderr] at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x55e4bdbab93c - std::sys_common::backtrace::__rust_end_short_backtrace::h6063b024443b5852 [INFO] [stderr] at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55e4bdbad2c9 - rust_begin_unwind [INFO] [stderr] at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x55e4bdb51311 - core::panicking::panic_fmt::h5322a082d19786c3 [INFO] [stderr] at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55e4bdb51203 - core::option::expect_none_failed::h354eaa93a51d71b8 [INFO] [stderr] at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/core/src/option.rs:1329:5 [INFO] [stderr] 16: 0x55e4bdb5ac35 - core::result::Result::unwrap::haec030286ee05b4c [INFO] [stderr] at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/core/src/result.rs:1037:23 [INFO] [stderr] 17: 0x55e4bdb5c17c - build_script_build::unifdef_file::h7679148a33c06dda [INFO] [stderr] at /opt/rustwide/workdir/build.rs:21:9 [INFO] [stderr] 18: 0x55e4bdb5cc5b - build_script_build::unifdef_walk::h9ae0750cdb109355 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:53:9 [INFO] [stderr] 19: 0x55e4bdb5bd99 - build_script_build::main::h4dd49c02fd360ef9 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:12:5 [INFO] [stderr] 20: 0x55e4bdb5fcab - core::ops::function::FnOnce::call_once::hb1dd63ea9f2a01a3 [INFO] [stderr] at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 21: 0x55e4bdb5a5ae - std::sys_common::backtrace::__rust_begin_short_backtrace::hb7f73cc116bf2de5 [INFO] [stderr] at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 22: 0x55e4bdb57981 - std::rt::lang_start::{{closure}}::h8bfc78a1afc9a68d [INFO] [stderr] at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/rt.rs:66:18 [INFO] [stderr] 23: 0x55e4bdbadbca - core::ops::function::impls:: for &F>::call_once::h3695a3fbbe44c001 [INFO] [stderr] at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 24: 0x55e4bdbadbca - std::panicking::try::do_call::he9f4b5f706c7e58d [INFO] [stderr] at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/panicking.rs:379:40 [INFO] [stderr] 25: 0x55e4bdbadbca - std::panicking::try::h789d448ccf87fe6d [INFO] [stderr] at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/panicking.rs:343:19 [INFO] [stderr] 26: 0x55e4bdbadbca - std::panic::catch_unwind::h7a6b31f16004913a [INFO] [stderr] at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/panic.rs:431:14 [INFO] [stderr] 27: 0x55e4bdbadbca - std::rt::lang_start_internal::h80897b41b254b288 [INFO] [stderr] at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/rt.rs:51:25 [INFO] [stderr] 28: 0x55e4bdb57960 - std::rt::lang_start::ha2c7fbf409e8003a [INFO] [stderr] at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/rt.rs:65:5 [INFO] [stderr] 29: 0x55e4bdb5ceec - main [INFO] [stderr] 30: 0x7fe5b0c320b3 - __libc_start_main [INFO] [stderr] 31: 0x55e4bdb519de - _start [INFO] [stderr] 32: 0x0 - [INFO] running `Command { std: "docker" "inspect" "7be7d76aee60a1b37c4d7679c4bb5645e28ac550cfd87e4682d475dd6e8e248b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7be7d76aee60a1b37c4d7679c4bb5645e28ac550cfd87e4682d475dd6e8e248b", kill_on_drop: false }` [INFO] [stdout] 7be7d76aee60a1b37c4d7679c4bb5645e28ac550cfd87e4682d475dd6e8e248b