[INFO] cloning repository pfernie/synacor-rs
[INFO] running `"git" "clone" "--bare" "git://github.com/pfernie/synacor-rs.git" "work/cache/sources/gh/pfernie/synacor-rs"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/pfernie/synacor-rs'...
[INFO] running `"git" "clone" "work/cache/sources/gh/pfernie/synacor-rs" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/pfernie/synacor-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/pfernie/synacor-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pfernie/synacor-rs" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/pfernie/synacor-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/pfernie/synacor-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5c2677d8145793b1085adcae0aa1b1cb73bef1dc
[INFO] sha for GitHub repo pfernie/synacor-rs: 5c2677d8145793b1085adcae0aa1b1cb73bef1dc
[INFO] validating manifest of pfernie/synacor-rs on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of pfernie/synacor-rs on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing pfernie/synacor-rs
[INFO] finished frobbing pfernie/synacor-rs
[INFO] frobbed toml for pfernie/synacor-rs written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/pfernie/synacor-rs/Cargo.toml
[INFO] started frobbing pfernie/synacor-rs
[INFO] finished frobbing pfernie/synacor-rs
[INFO] frobbed toml for pfernie/synacor-rs written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/pfernie/synacor-rs/Cargo.toml
[INFO] crate pfernie/synacor-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded try_from v0.2.1
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing pfernie/synacor-rs against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/pfernie/synacor-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 6aff27d11715938b230063ab8d6fd87703d01575cead86c5fcf2f34c8bf114a3
[INFO] running `"docker" "start" "-a" "6aff27d11715938b230063ab8d6fd87703d01575cead86c5fcf2f34c8bf114a3"`
[INFO] [stderr]    Compiling gcc v0.3.41
[INFO] [stderr]    Compiling unicode-segmentation v1.0.1
[INFO] [stderr]    Compiling try_from v0.2.1
[INFO] [stderr]    Compiling env_logger v0.4.0
[INFO] [stderr]    Compiling clap v2.20.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling error-chain v0.7.2
[INFO] [stderr]    Compiling synacor v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]   --> src/bin/foo.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     let t = thread::Builder::new().stack_size(1024 * 1024 * 32).spawn(move || {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_t`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/debugger/mod.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 24 | impl AsMut<Inspectable + 'static> for VmState {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Inspectable + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/debugger/mod.rs:25:35
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn as_mut(&mut self) -> &mut (Inspectable + 'static) {
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Inspectable + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/debugger/mod.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 34 | impl AsRef<Inspectable + 'static> for VmState {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Inspectable + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/debugger/mod.rs:35:27
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn as_ref(&self) -> &(Inspectable + 'static) {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Inspectable + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/memory.rs:326:14
[INFO] [stderr]     |
[INFO] [stderr] 326 |             0...MAX_ADDR => Ok(Value::Literal(u)),
[INFO] [stderr]     |              ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/memory.rs:327:18
[INFO] [stderr]     |
[INFO] [stderr] 327 |             32768...32776 => Register::try_from(u).map(Value::FromRegister),
[INFO] [stderr]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]  --> src/debugger/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:2:1
[INFO] [stderr]    |
[INFO] [stderr] 2  | / error_chain!{
[INFO] [stderr] 3  | |     foreign_links {
[INFO] [stderr] 4  | |         Io(::std::io::Error);
[INFO] [stderr] 5  | |         ParseInt(::std::num::ParseIntError);
[INFO] [stderr] ...  |
[INFO] [stderr] 41 | |     }
[INFO] [stderr] 42 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]  --> src/debugger/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/synacor-dce25979b8c138bc.synacor.d8lwl6gn-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/synacor-dce25979b8c138bc.synacor.d8lwl6gn-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/synacor-dce25979b8c138bc.synacor.d8lwl6gn-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/synacor-dce25979b8c138bc.synacor.d8lwl6gn-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/synacor-dce25979b8c138bc.synacor.d8lwl6gn-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/synacor-dce25979b8c138bc.synacor.d8lwl6gn-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/synacor-dce25979b8c138bc.synacor.d8lwl6gn-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/synacor-dce25979b8c138bc.synacor.d8lwl6gn-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/synacor-dce25979b8c138bc.synacor.d8lwl6gn-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/synacor-dce25979b8c138bc.synacor.d8lwl6gn-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/synacor-dce25979b8c138bc.synacor.d8lwl6gn-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/synacor-dce25979b8c138bc.synacor.d8lwl6gn-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/synacor-dce25979b8c138bc.synacor.d8lwl6gn-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/synacor-dce25979b8c138bc.synacor.d8lwl6gn-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/synacor-dce25979b8c138bc.synacor.d8lwl6gn-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/synacor-dce25979b8c138bc.synacor.d8lwl6gn-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/synacor-dce25979b8c138bc" "/opt/crater/target/debug/deps/synacor-dce25979b8c138bc.3c23d2hrti1wvugq.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libtry_from-9f265017e9b3ffb5.rlib" "/opt/crater/target/debug/deps/liberror_chain-83c2ae411684d9b7.rlib" "/opt/crater/target/debug/deps/libbacktrace-c63c95a36f508d3c.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-e3bf8f1527750aaa.rlib" "/opt/crater/target/debug/deps/librustc_demangle-6917eb5c6fb1ba4f.rlib" "/opt/crater/target/debug/deps/libcfg_if-dd8e36b0bfa0c1f1.rlib" "/opt/crater/target/debug/deps/libdbghelp-a6acc9f0a368465f.rlib" "/opt/crater/target/debug/deps/libwinapi-6fcedc2d2f28cc0f.rlib" "/opt/crater/target/debug/deps/libkernel32-772fbdd4a4514fe6.rlib" "/opt/crater/target/debug/deps/libenv_logger-f9d980ced11ef2b9.rlib" "/opt/crater/target/debug/deps/libregex-73b4f919ac9d6475.rlib" "/opt/crater/target/debug/deps/libutf8_ranges-17908ab710f27622.rlib" "/opt/crater/target/debug/deps/libregex_syntax-147d4c38ec15a661.rlib" "/opt/crater/target/debug/deps/libthread_local-742b360a5b5a2bd6.rlib" "/opt/crater/target/debug/deps/libunreachable-fc21e467a70e17d1.rlib" "/opt/crater/target/debug/deps/libvoid-1d2616bc2475d694.rlib" "/opt/crater/target/debug/deps/libthread_id-0a0d61b33fcc9e00.rlib" "/opt/crater/target/debug/deps/libaho_corasick-c752b36fcab81058.rlib" "/opt/crater/target/debug/deps/libmemchr-52e7a4ec0b73d064.rlib" "/opt/crater/target/debug/deps/liblibc-7362b1bf5a65e14c.rlib" "/opt/crater/target/debug/deps/liblog-b6b2ba19d01a925d.rlib" "/opt/crater/target/debug/deps/libbyteorder-88b179eb20260705.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-5eb7072357e3f704.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-be57a0a20ef83edc.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-53ea5c4d1e8787c5.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-90a03fea645d1ca0.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-d0be8ec5eb12a622.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-c9bd1ed65ad5f9b5.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-232a620458cbc142.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-378c2daa95643520.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-b1ad0e3b0cafff9a.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-bd92551ef79ec0f7.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-6f92150ede6dcf89.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-5d5836de4a922af7.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-0bd990bd23dec0da.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-f5a50a9afbc6d167.rlib" "-Wl,-Bdynamic" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /opt/crater/target/debug/deps/libbacktrace-c63c95a36f508d3c.rlib(backtrace-c63c95a36f508d3c.backtrace.cqyhuxm2-cgu.5.rcgu.o): In function `backtrace::symbolize::libbacktrace::init_state::{{closure}}':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:156: undefined reference to `backtrace_create_state'
[INFO] [stderr]           /opt/crater/target/debug/deps/libbacktrace-c63c95a36f508d3c.rlib(backtrace-c63c95a36f508d3c.backtrace.cqyhuxm2-cgu.5.rcgu.o): In function `backtrace::symbolize::libbacktrace::resolve':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:173: undefined reference to `backtrace_pcinfo'
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:177: undefined reference to `backtrace_syminfo'
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `synacor`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6aff27d11715938b230063ab8d6fd87703d01575cead86c5fcf2f34c8bf114a3"`
[INFO] running `"docker" "rm" "-f" "6aff27d11715938b230063ab8d6fd87703d01575cead86c5fcf2f34c8bf114a3"`
[INFO] [stdout] 6aff27d11715938b230063ab8d6fd87703d01575cead86c5fcf2f34c8bf114a3