[INFO] cloning repository https://github.com/milesrout/ch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/milesrout/ch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilesrout%2Fch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilesrout%2Fch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 69e2a86e86defa4845b5dc51954afca341bd66c2
[INFO] testing milesrout/ch against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilesrout%2Fch" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/milesrout/ch on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/milesrout/ch
[INFO] finished tweaking git repo https://github.com/milesrout/ch
[INFO] tweaked toml for git repo https://github.com/milesrout/ch written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/milesrout/ch already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itertools v0.5.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09d887841ab6b3c6750734baf38127b2a62649be7d7844132359e497571266d1
[INFO] running `Command { std: "docker" "start" "-a" "09d887841ab6b3c6750734baf38127b2a62649be7d7844132359e497571266d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09d887841ab6b3c6750734baf38127b2a62649be7d7844132359e497571266d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09d887841ab6b3c6750734baf38127b2a62649be7d7844132359e497571266d1", kill_on_drop: false }`
[INFO] [stdout] 09d887841ab6b3c6750734baf38127b2a62649be7d7844132359e497571266d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b88c09cab5e1e40118d92ba9d31c23c210abf2c266577cd25a618dddef61672c
[INFO] running `Command { std: "docker" "start" "-a" "b88c09cab5e1e40118d92ba9d31c23c210abf2c266577cd25a618dddef61672c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.17
[INFO] [stderr]    Compiling gcc v0.3.38
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling either v1.0.1
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.3
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling itertools v0.5.5
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling ch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lexer.rs:325:48
[INFO] [stdout]     |
[INFO] [stdout] 325 |             &Error::Regex(ref err) => (err as &error::Error).description(),
[INFO] [stdout]     |                                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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/lexer.rs:325:62
[INFO] [stdout]     |
[INFO] [stdout] 325 |             &Error::Regex(ref err) => (err as &error::Error).description(),
[INFO] [stdout]     |                                                              ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_expr`
[INFO] [stdout]    --> src/parser.rs:121:12
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub fn parse_expr(&mut self) -> Result<Expr> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[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/ch-5929429ad4062e5d.ch.406eaab4-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/ch-5929429ad4062e5d.ch.406eaab4-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/ch-5929429ad4062e5d.ch.406eaab4-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/ch-5929429ad4062e5d.ch.406eaab4-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/ch-5929429ad4062e5d.ch.406eaab4-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/ch-5929429ad4062e5d.ch.406eaab4-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/ch-5929429ad4062e5d.ch.406eaab4-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/ch-5929429ad4062e5d.ch.406eaab4-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/ch-5929429ad4062e5d.ch.406eaab4-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/ch-5929429ad4062e5d.ch.406eaab4-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/ch-5929429ad4062e5d.ch.406eaab4-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/ch-5929429ad4062e5d.ch.406eaab4-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/ch-5929429ad4062e5d.ch.406eaab4-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/ch-5929429ad4062e5d.ch.406eaab4-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/ch-5929429ad4062e5d.ch.406eaab4-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/ch-5929429ad4062e5d.ch.406eaab4-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/ch-5929429ad4062e5d.1b1pwra9b0pr2wc9.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libregex-4787973c5b15b572.rlib" "/opt/rustwide/target/debug/deps/libutf8_ranges-c42f541c050d96c5.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-ff39d0e64f43a219.rlib" "/opt/rustwide/target/debug/deps/libthread_local-c424ab0670780139.rlib" "/opt/rustwide/target/debug/deps/libthread_id-9054831cf75f7f6d.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-55f6f4eb4465573d.rlib" "/opt/rustwide/target/debug/deps/libmemchr-599c9e3434cdf400.rlib" "/opt/rustwide/target/debug/deps/libitertools-01d2023c84eef625.rlib" "/opt/rustwide/target/debug/deps/libeither-291e5320cbf06448.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-50295c162b27aad5.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-34bd3c7c99ea2187.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-b6b68660676f275d.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-3562bf65d9243e05.rlib" "/opt/rustwide/target/debug/deps/libdbghelp-f8afcf81f7518078.rlib" "/opt/rustwide/target/debug/deps/libwinapi-752b8c6fa8b80860.rlib" "/opt/rustwide/target/debug/deps/libkernel32-eb9071fb75aa08cb.rlib" "/opt/rustwide/target/debug/deps/liblibc-d8527f3b9419417c.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-37fdd654777c296f.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-d883bf2137e9181a.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-22ab8f3db88b586e.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-0167c9242d0931d5.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-361790a1a5505fc5.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-01c2ffe1ecd05a67.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-ec79e29a889fe805.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-001a3456e8a8331b.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-e8f1404290f0f040.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-76f46d0f23360a60.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-baf0bdc5eb131895.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-3a6a4ee6592d9370.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-1cc90d9dd57195f8.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-0e91863ffbec5148.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-69528f2eac185ac9.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-52d5241975807511.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9924c22ae1efcf66.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-d1241f7bd234a268.rlib" "-Wl,-Bdynamic" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/ch-5929429ad4062e5d" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-50295c162b27aad5.rlib(backtrace-50295c162b27aad5.backtrace.d33e5514-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-50295c162b27aad5.rlib(backtrace-50295c162b27aad5.backtrace.d33e5514-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; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ch`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "b88c09cab5e1e40118d92ba9d31c23c210abf2c266577cd25a618dddef61672c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b88c09cab5e1e40118d92ba9d31c23c210abf2c266577cd25a618dddef61672c", kill_on_drop: false }`
[INFO] [stdout] b88c09cab5e1e40118d92ba9d31c23c210abf2c266577cd25a618dddef61672c