[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#2ad5292aea6328113b55968b4322528d48261316 for pr-80243 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdurka%2Fbrainmunch" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/durka/brainmunch on toolchain 2ad5292aea6328113b55968b4322528d48261316 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-2/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-2/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" "+2ad5292aea6328113b55968b4322528d48261316" "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-2/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-2/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" "+2ad5292aea6328113b55968b4322528d48261316" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "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-2/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] 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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 71c2b3abff0d01d0cec44b241f176b9fd75ae298e09827d893097d09c59b2333 [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" "71c2b3abff0d01d0cec44b241f176b9fd75ae298e09827d893097d09c59b2333", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "71c2b3abff0d01d0cec44b241f176b9fd75ae298e09827d893097d09c59b2333", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "71c2b3abff0d01d0cec44b241f176b9fd75ae298e09827d893097d09c59b2333", kill_on_drop: false }` [INFO] [stdout] 71c2b3abff0d01d0cec44b241f176b9fd75ae298e09827d893097d09c59b2333 [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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ab7a23ef87cb1dd81f2a44a9e47846f7388e4b69268a8b5c338e54b1ef8bbebe [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" "ab7a23ef87cb1dd81f2a44a9e47846f7388e4b69268a8b5c338e54b1ef8bbebe", 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] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling adler v0.2.3 [INFO] [stderr] Compiling gimli v0.23.0 [INFO] [stderr] Compiling rustc-demangle v0.1.18 [INFO] [stderr] Compiling object v0.22.0 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling same-file v0.1.3 [INFO] [stderr] Compiling strum v0.8.0 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling walkdir v1.0.7 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Compiling strum_macros v0.8.0 [INFO] [stderr] Compiling addr2line v0.14.0 [INFO] [stderr] Compiling backtrace v0.3.55 [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/bf.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-89ecca7da3f37a1e/build-script-build` (exit code: 101) [INFO] [stderr] --- stdout [INFO] [stderr] cargo:warning=unifdef src/bf.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: 0x55684b24cad7 - std::backtrace_rs::backtrace::libunwind::trace::h746c3e9529d524bc [INFO] [stderr] at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55684b24cad7 - std::backtrace_rs::backtrace::trace_unsynchronized::h84373278bfb39e0c [INFO] [stderr] at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55684b24cad7 - std::sys_common::backtrace::_print_fmt::h517324efde750597 [INFO] [stderr] at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55684b24cad7 - ::fmt::hf594ab77fac89284 [INFO] [stderr] at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55684b26c30c - core::fmt::write::h3868db8542c90941 [INFO] [stderr] at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/core/src/fmt/mod.rs:1078:17 [INFO] [stderr] 5: 0x55684b249462 - std::io::Write::write_fmt::h3f6656f045fa877f [INFO] [stderr] at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/io/mod.rs:1519:15 [INFO] [stderr] 6: 0x55684b24e815 - std::sys_common::backtrace::_print::hda7655c057c24dcc [INFO] [stderr] at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55684b24e815 - std::sys_common::backtrace::print::h546a6c8431d46287 [INFO] [stderr] at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55684b24e815 - std::panicking::default_hook::{{closure}}::h006dd083853faf51 [INFO] [stderr] at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55684b24e36a - std::panicking::default_hook::hf0f9afb1017317fc [INFO] [stderr] at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55684b24efb1 - std::panicking::rust_panic_with_hook::hb7a19826c029b1d6 [INFO] [stderr] at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x55684b24eaf7 - std::panicking::begin_panic_handler::{{closure}}::hde71edcd925d0c5e [INFO] [stderr] at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x55684b24cf9c - std::sys_common::backtrace::__rust_end_short_backtrace::h8a3c7d6cea578919 [INFO] [stderr] at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55684b24ea59 - rust_begin_unwind [INFO] [stderr] at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x55684b26acc1 - core::panicking::panic_fmt::h20225113c4a2f8fd [INFO] [stderr] at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55684b26aae3 - core::option::expect_none_failed::hc6d6d4cea4fdc285 [INFO] [stderr] at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/core/src/option.rs:1268:5 [INFO] [stderr] 16: 0x55684b1f8a27 - core::result::Result::unwrap::hc62cf9615db11d8b [INFO] [stderr] at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/core/src/result.rs:973:23 [INFO] [stderr] 17: 0x55684b1fa8c9 - build_script_build::unifdef_file::h28ba72e567747d21 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:21:9 [INFO] [stderr] 18: 0x55684b1fb3db - build_script_build::unifdef_walk::h09fa2ba757aeca79 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:53:9 [INFO] [stderr] 19: 0x55684b1fa4bf - build_script_build::main::he38b778e1d3ff8c9 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:12:5 [INFO] [stderr] 20: 0x55684b1fc8eb - core::ops::function::FnOnce::call_once::h04854295747de1bc [INFO] [stderr] at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 21: 0x55684b1f6d6e - std::sys_common::backtrace::__rust_begin_short_backtrace::hb1ef3b77dd2a956c [INFO] [stderr] at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 22: 0x55684b1f6071 - std::rt::lang_start::{{closure}}::h1daea9f439d56b64 [INFO] [stderr] at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/rt.rs:66:18 [INFO] [stderr] 23: 0x55684b24f3d7 - core::ops::function::impls:: for &F>::call_once::h54c39b9b8451875a [INFO] [stderr] at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 24: 0x55684b24f3d7 - std::panicking::try::do_call::hcdfba51a06e21b42 [INFO] [stderr] at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/panicking.rs:379:40 [INFO] [stderr] 25: 0x55684b24f3d7 - std::panicking::try::h77386c66889b2066 [INFO] [stderr] at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/panicking.rs:343:19 [INFO] [stderr] 26: 0x55684b24f3d7 - std::panic::catch_unwind::hc55a0d8aadca44f0 [INFO] [stderr] at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/panic.rs:396:14 [INFO] [stderr] 27: 0x55684b24f3d7 - std::rt::lang_start_internal::h97dca9624db2aa85 [INFO] [stderr] at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/rt.rs:51:25 [INFO] [stderr] 28: 0x55684b1f6047 - std::rt::lang_start::he3dc1cc7093b4a33 [INFO] [stderr] at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/rt.rs:65:5 [INFO] [stderr] 29: 0x55684b1fb64a - main [INFO] [stderr] 30: 0x7f6825b7e0b3 - __libc_start_main [INFO] [stderr] 31: 0x55684b1ed0ae - _start [INFO] [stderr] 32: 0x0 - [INFO] running `Command { std: "docker" "inspect" "ab7a23ef87cb1dd81f2a44a9e47846f7388e4b69268a8b5c338e54b1ef8bbebe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab7a23ef87cb1dd81f2a44a9e47846f7388e4b69268a8b5c338e54b1ef8bbebe", kill_on_drop: false }` [INFO] [stdout] ab7a23ef87cb1dd81f2a44a9e47846f7388e4b69268a8b5c338e54b1ef8bbebe