[INFO] cloning repository https://github.com/pfernie/synacor-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pfernie/synacor-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpfernie%2Fsynacor-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpfernie%2Fsynacor-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5c2677d8145793b1085adcae0aa1b1cb73bef1dc [INFO] testing pfernie/synacor-rs against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpfernie%2Fsynacor-rs" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pfernie/synacor-rs on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/pfernie/synacor-rs [INFO] finished tweaking git repo https://github.com/pfernie/synacor-rs [INFO] tweaked toml for git repo https://github.com/pfernie/synacor-rs written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/pfernie/synacor-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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 try_from v0.2.1 [INFO] [stderr] Downloaded env_logger v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f224aefdb04bf953fc282ff7af0b8ec3ab7f04e352237247e3f067b2bf3317cb [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" "f224aefdb04bf953fc282ff7af0b8ec3ab7f04e352237247e3f067b2bf3317cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f224aefdb04bf953fc282ff7af0b8ec3ab7f04e352237247e3f067b2bf3317cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f224aefdb04bf953fc282ff7af0b8ec3ab7f04e352237247e3f067b2bf3317cb", kill_on_drop: false }` [INFO] [stdout] f224aefdb04bf953fc282ff7af0b8ec3ab7f04e352237247e3f067b2bf3317cb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--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] 7d6a49f6f95a595adfb6938aaef939b17de9298941e7fd1792f180679d8f5774 [INFO] running `Command { std: "docker" "start" "-a" "7d6a49f6f95a595adfb6938aaef939b17de9298941e7fd1792f180679d8f5774", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling cfg-if v0.1.0 [INFO] [stderr] Compiling rustc-demangle v0.1.3 [INFO] [stderr] Compiling unicode-segmentation v1.0.1 [INFO] [stderr] Compiling vec_map v0.6.0 [INFO] [stderr] Compiling try_from v0.2.1 [INFO] [stderr] Compiling memchr v1.0.1 [INFO] [stderr] Compiling thread-id v3.0.0 [INFO] [stderr] Compiling term_size v0.2.1 [INFO] [stderr] Compiling backtrace-sys v0.1.5 [INFO] [stderr] Compiling backtrace v0.3.0 [INFO] [stderr] Compiling thread_local v0.3.2 [INFO] [stderr] Compiling aho-corasick v0.6.1 [INFO] [stderr] Compiling clap v2.20.0 [INFO] [stderr] Compiling regex v0.2.1 [INFO] [stderr] Compiling error-chain v0.7.2 [INFO] [stderr] Compiling env_logger v0.4.0 [INFO] [stderr] Compiling synacor v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/bin/foo.rs:4:27 [INFO] [stdout] | [INFO] [stdout] 4 | fn get_foo(&mut self, u16, u16, u16) -> u16; [INFO] [stdout] | ^^^ help: try naming the parameter or explicitly ignoring it: `_: u16` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/bin/foo.rs:4:32 [INFO] [stdout] | [INFO] [stdout] 4 | fn get_foo(&mut self, u16, u16, u16) -> u16; [INFO] [stdout] | ^^^ help: try naming the parameter or explicitly ignoring it: `_: u16` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/bin/foo.rs:4:37 [INFO] [stdout] | [INFO] [stdout] 4 | fn get_foo(&mut self, u16, u16, u16) -> u16; [INFO] [stdout] | ^^^ help: try naming the parameter or explicitly ignoring it: `_: u16` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/bin/foo.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | let t = thread::Builder::new().stack_size(1024 * 1024 * 32).spawn(move || { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/debugger/mod.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 24 | impl AsMut for VmState { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Inspectable + 'static` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/debugger/mod.rs:25:35 [INFO] [stdout] | [INFO] [stdout] 25 | fn as_mut(&mut self) -> &mut (Inspectable + 'static) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Inspectable + 'static` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/debugger/mod.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 34 | impl AsRef for VmState { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Inspectable + 'static` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/debugger/mod.rs:35:27 [INFO] [stdout] | [INFO] [stdout] 35 | fn as_ref(&self) -> &(Inspectable + 'static) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Inspectable + 'static` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/machine.rs:19:29 [INFO] [stdout] | [INFO] [stdout] 19 | fn write_reg(&mut self, Register, Value); [INFO] [stdout] | ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Register` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/machine.rs:19:39 [INFO] [stdout] | [INFO] [stdout] 19 | fn write_reg(&mut self, Register, Value); [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Value` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/memory.rs:326:14 [INFO] [stdout] | [INFO] [stdout] 326 | 0...MAX_ADDR => Ok(Value::Literal(u)), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/memory.rs:327:18 [INFO] [stdout] | [INFO] [stdout] 327 | 32768...32776 => Register::try_from(u).map(Value::FromRegister), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead [INFO] [stdout] --> src/debugger/mod.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | use std::ascii::AsciiExt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/errors.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | / error_chain!{ [INFO] [stdout] 3 | | foreign_links { [INFO] [stdout] 4 | | Io(::std::io::Error); [INFO] [stdout] 5 | | ParseInt(::std::num::ParseIntError); [INFO] [stdout] ... | [INFO] [stdout] 41 | | } [INFO] [stdout] 42 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/errors.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | / error_chain!{ [INFO] [stdout] 3 | | foreign_links { [INFO] [stdout] 4 | | Io(::std::io::Error); [INFO] [stdout] 5 | | ParseInt(::std::num::ParseIntError); [INFO] [stdout] ... | [INFO] [stdout] 41 | | } [INFO] [stdout] 42 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ascii::AsciiExt` [INFO] [stdout] --> src/debugger/mod.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::ascii::AsciiExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/synacor-b35d5c9a796b6304.synacor.15ecc892-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/synacor-b35d5c9a796b6304.synacor.15ecc892-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/synacor-b35d5c9a796b6304.synacor.15ecc892-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/synacor-b35d5c9a796b6304.synacor.15ecc892-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/synacor-b35d5c9a796b6304.synacor.15ecc892-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/synacor-b35d5c9a796b6304.synacor.15ecc892-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/synacor-b35d5c9a796b6304.synacor.15ecc892-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/synacor-b35d5c9a796b6304.synacor.15ecc892-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/synacor-b35d5c9a796b6304.synacor.15ecc892-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/synacor-b35d5c9a796b6304.synacor.15ecc892-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/synacor-b35d5c9a796b6304.synacor.15ecc892-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/synacor-b35d5c9a796b6304.synacor.15ecc892-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/synacor-b35d5c9a796b6304.synacor.15ecc892-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/synacor-b35d5c9a796b6304.synacor.15ecc892-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/synacor-b35d5c9a796b6304.synacor.15ecc892-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/synacor-b35d5c9a796b6304.synacor.15ecc892-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/synacor-b35d5c9a796b6304.2ir0wepf6vi1e8xu.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libtry_from-ff9d3d10b31a9a98.rlib" "/opt/rustwide/target/debug/deps/liberror_chain-1aa0c80ead4411c0.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-2b7276c53b71ab20.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-ee5ac8b8d5db490f.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-8ca5a32b7bbc0a7d.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-38b96c3ead41da3e.rlib" "/opt/rustwide/target/debug/deps/libdbghelp-7985cf1a1591b356.rlib" "/opt/rustwide/target/debug/deps/libwinapi-9c98d1bc6d82ae57.rlib" "/opt/rustwide/target/debug/deps/libkernel32-74e59be540f510ff.rlib" "/opt/rustwide/target/debug/deps/libenv_logger-d40a4f4c55d8864d.rlib" "/opt/rustwide/target/debug/deps/libregex-3c00f6bc3193682a.rlib" "/opt/rustwide/target/debug/deps/libutf8_ranges-397f79d90584a2a0.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-6eb7ac3487bcc021.rlib" "/opt/rustwide/target/debug/deps/libthread_local-e01e3ef115eea2fe.rlib" "/opt/rustwide/target/debug/deps/libunreachable-b39b17904876c96e.rlib" "/opt/rustwide/target/debug/deps/libvoid-8ddff08a32a4354c.rlib" "/opt/rustwide/target/debug/deps/libthread_id-c06bf8755cfe8705.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-c0f2f8eeebd16a1e.rlib" "/opt/rustwide/target/debug/deps/libmemchr-63e1f666a1957503.rlib" "/opt/rustwide/target/debug/deps/liblibc-4f2ae9be98f1b8b6.rlib" "/opt/rustwide/target/debug/deps/liblog-4fd81a18c19ea20b.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-2dfc5c8b2b4c4f5e.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9a950938f3668a37.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-3b1b529ec96b3df7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-ac333df4e6839cea.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-22a9ff9d2be6d427.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-5decbb94c7d60860.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-29a9663b62a1cd00.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-6f0cee0dbab2d3f8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-f5dc7d1d28c5c249.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-d19bda9ef557e755.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-82a955fd13db2399.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-44f3e7c1b7cc17ef.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-3ee6f750c5f3c2cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-ae5e1795dcba83e8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-8d545d8592f2b534.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-c4c222675f83fd37.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c1e9c53e75e301ed.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-beea7d9617fe25c5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-80a2b295510dd038.rlib" "-Wl,-Bdynamic" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/synacor-b35d5c9a796b6304" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" [INFO] [stdout] = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-2b7276c53b71ab20.rlib(backtrace-2b7276c53b71ab20.backtrace.f31f6c2d-cgu.11.rcgu.o): in function `backtrace::symbolize::libbacktrace::init_state::{{closure}}': [INFO] [stdout] /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:156: undefined reference to `backtrace_create_state' [INFO] [stdout] /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-2b7276c53b71ab20.rlib(backtrace-2b7276c53b71ab20.backtrace.f31f6c2d-cgu.11.rcgu.o): in function `backtrace::symbolize::libbacktrace::resolve': [INFO] [stdout] /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:173: undefined reference to `backtrace_pcinfo' [INFO] [stdout] /usr/bin/ld: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:177: undefined reference to `backtrace_syminfo' [INFO] [stdout] collect2: error: ld returned 1 exit status [INFO] [stdout] [INFO] [stdout] = help: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified [INFO] [stdout] = note: use the `-l` flag to specify native libraries to link [INFO] [stdout] = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#cargorustc-link-libkindname) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `synacor` due to 2 previous errors; 12 warnings emitted [INFO] running `Command { std: "docker" "inspect" "7d6a49f6f95a595adfb6938aaef939b17de9298941e7fd1792f180679d8f5774", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d6a49f6f95a595adfb6938aaef939b17de9298941e7fd1792f180679d8f5774", kill_on_drop: false }` [INFO] [stdout] 7d6a49f6f95a595adfb6938aaef939b17de9298941e7fd1792f180679d8f5774