[INFO] cloning repository https://github.com/beoboo/monkey-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/beoboo/monkey-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeoboo%2Fmonkey-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeoboo%2Fmonkey-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ebdde1792827dcfb582f307ff0ec61e9ae0eb7dd
[INFO] testing beoboo/monkey-rust against try#1b74e096b9bfb06f84a3007193dcd2f059cbdf6a for pr-96025
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeoboo%2Fmonkey-rust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/beoboo/monkey-rust on toolchain 1b74e096b9bfb06f84a3007193dcd2f059cbdf6a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/beoboo/monkey-rust
[INFO] finished tweaking git repo https://github.com/beoboo/monkey-rust
[INFO] tweaked toml for git repo https://github.com/beoboo/monkey-rust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/beoboo/monkey-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd79cdfa462060dc28a7b49cdce6e54af627abed4b93c9ce31e13a995922997e
[INFO] running `Command { std: "docker" "start" "-a" "bd79cdfa462060dc28a7b49cdce6e54af627abed4b93c9ce31e13a995922997e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd79cdfa462060dc28a7b49cdce6e54af627abed4b93c9ce31e13a995922997e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd79cdfa462060dc28a7b49cdce6e54af627abed4b93c9ce31e13a995922997e", kill_on_drop: false }`
[INFO] [stdout] bd79cdfa462060dc28a7b49cdce6e54af627abed4b93c9ce31e13a995922997e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd389e61e02bbe5d71b610ad5fbacee5bf6efe00da8781cb5a2ec3d5da5e03af
[INFO] running `Command { std: "docker" "start" "-a" "dd389e61e02bbe5d71b610ad5fbacee5bf6efe00da8781cb5a2ec3d5da5e03af", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling users v0.11.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling linkme-impl v0.2.7
[INFO] [stderr]    Compiling intertrait-macros v0.2.2
[INFO] [stderr]    Compiling linkme v0.2.7
[INFO] [stderr]    Compiling intertrait v0.2.2
[INFO] [stderr]    Compiling monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Disassembler`
[INFO] [stdout]  --> src/disassembler.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Disassembler {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/disassembler.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(op_codes: OpCodes) -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `disassemble`
[INFO] [stdout]   --> src/disassembler.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn disassemble(&self, instructions: Instructions) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `format_instruction`
[INFO] [stdout]   --> src/disassembler.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn format_instruction(&self, definition: &Definition, operands: Vec<u32>) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lookup`
[INFO] [stdout]   --> src/disassembler.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn lookup(&self, op_code: &Byte) -> Option<&Definition> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_operands`
[INFO] [stdout]   --> src/disassembler.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn read_operands(&self, definition: &Definition, instructions: &[Byte]) -> (Vec<u32>, usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[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/monkey-11429a3668b301fa.monkey.a20e75b3-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/monkey-11429a3668b301fa.monkey.a20e75b3-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/monkey-11429a3668b301fa.monkey.a20e75b3-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/monkey-11429a3668b301fa.monkey.a20e75b3-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/monkey-11429a3668b301fa.monkey.a20e75b3-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/monkey-11429a3668b301fa.monkey.a20e75b3-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/monkey-11429a3668b301fa.monkey.a20e75b3-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/monkey-11429a3668b301fa.monkey.a20e75b3-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/monkey-11429a3668b301fa.monkey.a20e75b3-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/monkey-11429a3668b301fa.monkey.a20e75b3-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/monkey-11429a3668b301fa.monkey.a20e75b3-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/monkey-11429a3668b301fa.monkey.a20e75b3-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/monkey-11429a3668b301fa.monkey.a20e75b3-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/monkey-11429a3668b301fa.monkey.a20e75b3-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/monkey-11429a3668b301fa.monkey.a20e75b3-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/monkey-11429a3668b301fa.monkey.a20e75b3-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/monkey-11429a3668b301fa.4og3h56hnf45rukw.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1b74e096b9bfb06f84a3007193dcd2f059cbdf6a/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libnum_traits-b01ac3b4430ee179.rlib" "/opt/rustwide/target/debug/deps/libintertrait-4ef0849f8709c901.rlib" "/opt/rustwide/target/debug/deps/libonce_cell-393bd80b9b1a6bb7.rlib" "/opt/rustwide/target/debug/deps/liblinkme-52fd8e376ce19551.rlib" "/opt/rustwide/target/debug/deps/libclap-bad5e4db17af6c04.rlib" "/opt/rustwide/target/debug/deps/libvec_map-dab3909866655c61.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-508af543a849ebaf.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-e91030079211fd3f.rlib" "/opt/rustwide/target/debug/deps/libstrsim-c0d73e3d44b574a0.rlib" "/opt/rustwide/target/debug/deps/libbitflags-05dfd5b5d1225bed.rlib" "/opt/rustwide/target/debug/deps/libatty-43c5447781771a8e.rlib" "/opt/rustwide/target/debug/deps/libansi_term-76ca62e328105e50.rlib" "/opt/rustwide/target/debug/deps/libusers-a4011faebfc0c939.rlib" "/opt/rustwide/target/debug/deps/liblog-d1d9e9bb2ac58ba1.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-90e3626e3c41eec3.rlib" "/opt/rustwide/target/debug/deps/liblibc-dc1f358ff6af1886.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1b74e096b9bfb06f84a3007193dcd2f059cbdf6a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-443e20b28eeed844.rlib" "/opt/rustwide/rustup-home/toolchains/1b74e096b9bfb06f84a3007193dcd2f059cbdf6a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-3e337470e099b116.rlib" "/opt/rustwide/rustup-home/toolchains/1b74e096b9bfb06f84a3007193dcd2f059cbdf6a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-10a87791239bd676.rlib" "/opt/rustwide/rustup-home/toolchains/1b74e096b9bfb06f84a3007193dcd2f059cbdf6a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-0e6cad6dd623d38e.rlib" "/opt/rustwide/rustup-home/toolchains/1b74e096b9bfb06f84a3007193dcd2f059cbdf6a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-9d05dd05a4d51b33.rlib" "/opt/rustwide/rustup-home/toolchains/1b74e096b9bfb06f84a3007193dcd2f059cbdf6a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-a60ff138fe1adfad.rlib" "/opt/rustwide/rustup-home/toolchains/1b74e096b9bfb06f84a3007193dcd2f059cbdf6a/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0e9344458c09713e.rlib" "/opt/rustwide/rustup-home/toolchains/1b74e096b9bfb06f84a3007193dcd2f059cbdf6a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-939385b13e387309.rlib" "/opt/rustwide/rustup-home/toolchains/1b74e096b9bfb06f84a3007193dcd2f059cbdf6a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-e3ce420901586b53.rlib" "/opt/rustwide/rustup-home/toolchains/1b74e096b9bfb06f84a3007193dcd2f059cbdf6a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-546bece8dd1bea42.rlib" "/opt/rustwide/rustup-home/toolchains/1b74e096b9bfb06f84a3007193dcd2f059cbdf6a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9b358af16d7d7aa1.rlib" "/opt/rustwide/rustup-home/toolchains/1b74e096b9bfb06f84a3007193dcd2f059cbdf6a/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-554cd499fe1a3b52.rlib" "/opt/rustwide/rustup-home/toolchains/1b74e096b9bfb06f84a3007193dcd2f059cbdf6a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-fbad2f5de5fb5cb2.rlib" "/opt/rustwide/rustup-home/toolchains/1b74e096b9bfb06f84a3007193dcd2f059cbdf6a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-8fec8a74c706e4b4.rlib" "/opt/rustwide/rustup-home/toolchains/1b74e096b9bfb06f84a3007193dcd2f059cbdf6a/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-020914c5936c5f85.rlib" "/opt/rustwide/rustup-home/toolchains/1b74e096b9bfb06f84a3007193dcd2f059cbdf6a/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-4896c4057dc9553a.rlib" "/opt/rustwide/rustup-home/toolchains/1b74e096b9bfb06f84a3007193dcd2f059cbdf6a/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2a6a2797f7a73818.rlib" "/opt/rustwide/rustup-home/toolchains/1b74e096b9bfb06f84a3007193dcd2f059cbdf6a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-0e3656b1fda5fd7b.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1b74e096b9bfb06f84a3007193dcd2f059cbdf6a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-1f103368fa522bc0.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-B/opt/rustwide/rustup-home/toolchains/1b74e096b9bfb06f84a3007193dcd2f059cbdf6a/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1b74e096b9bfb06f84a3007193dcd2f059cbdf6a/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/monkey-11429a3668b301fa" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: rust-lld: error: undefined symbol: __start_linkme_CASTERS
[INFO] [stdout]           >>> referenced by intertrait.415f5827-cgu.9
[INFO] [stdout]           >>>               intertrait-4ef0849f8709c901.intertrait.415f5827-cgu.9.rcgu.o:(intertrait::CASTERS::h06cd9de6a8d00558) in archive /opt/rustwide/target/debug/deps/libintertrait-4ef0849f8709c901.rlib
[INFO] [stdout]           >>> the encapsulation symbol needs to be retained under --gc-sections properly; consider -z nostart-stop-gc (see https://lld.llvm.org/ELF/start-stop-gc)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: __stop_linkme_CASTERS
[INFO] [stdout]           >>> referenced by intertrait.415f5827-cgu.9
[INFO] [stdout]           >>>               intertrait-4ef0849f8709c901.intertrait.415f5827-cgu.9.rcgu.o:(intertrait::CASTERS::h06cd9de6a8d00558) in archive /opt/rustwide/target/debug/deps/libintertrait-4ef0849f8709c901.rlib
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `monkey` due to 2 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "dd389e61e02bbe5d71b610ad5fbacee5bf6efe00da8781cb5a2ec3d5da5e03af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd389e61e02bbe5d71b610ad5fbacee5bf6efe00da8781cb5a2ec3d5da5e03af", kill_on_drop: false }`
[INFO] [stdout] dd389e61e02bbe5d71b610ad5fbacee5bf6efe00da8781cb5a2ec3d5da5e03af