[INFO] fetching crate medusa 0.3.0...
[INFO] testing medusa-0.3.0 against master#f9988fefd3add01f414f52b414308e7872622fee for pr-155114
[INFO] extracting crate medusa 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate medusa 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate medusa 0.3.0
[INFO] tweaked toml for crates.io crate medusa 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate medusa 0.3.0 on toolchain f9988fefd3add01f414f52b414308e7872622fee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate medusa 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67c0b408a9bb0068d5ecfb0c0ad5001975d86e0efec1b58cfb2794be5b5d2c9a
[INFO] running `Command { std: "docker" "start" "-a" "67c0b408a9bb0068d5ecfb0c0ad5001975d86e0efec1b58cfb2794be5b5d2c9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67c0b408a9bb0068d5ecfb0c0ad5001975d86e0efec1b58cfb2794be5b5d2c9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67c0b408a9bb0068d5ecfb0c0ad5001975d86e0efec1b58cfb2794be5b5d2c9a", kill_on_drop: false }`
[INFO] [stdout] 67c0b408a9bb0068d5ecfb0c0ad5001975d86e0efec1b58cfb2794be5b5d2c9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] adb58ce556cfa7abf24d029fc4ac84008d5b66a39e40ec0331a765a97d87c6cc
[INFO] running `Command { std: "docker" "start" "-a" "adb58ce556cfa7abf24d029fc4ac84008d5b66a39e40ec0331a765a97d87c6cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling medusa v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "adb58ce556cfa7abf24d029fc4ac84008d5b66a39e40ec0331a765a97d87c6cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adb58ce556cfa7abf24d029fc4ac84008d5b66a39e40ec0331a765a97d87c6cc", kill_on_drop: false }`
[INFO] [stdout] adb58ce556cfa7abf24d029fc4ac84008d5b66a39e40ec0331a765a97d87c6cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f3f4ff3bc4991b247cd65e1dcbfafb6dcfd02669d7c633ad1eec42ae4d86441
[INFO] running `Command { std: "docker" "start" "-a" "1f3f4ff3bc4991b247cd65e1dcbfafb6dcfd02669d7c633ad1eec42ae4d86441", kill_on_drop: false }`
[INFO] [stderr]    Compiling medusa v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `handler`
[INFO] [stdout]  --> examples/functions/mod.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn echo(handler: &Handler, payload: String) {
[INFO] [stdout]   |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handler`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handler`
[INFO] [stdout]  --> examples/functions/mod.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn echo(handler: &Handler, payload: String) {
[INFO] [stdout]   |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handler`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handler`
[INFO] [stdout]  --> examples/functions/mod.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn echo(handler: &Handler, payload: String) {
[INFO] [stdout]   |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handler`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handler`
[INFO] [stdout]  --> examples/functions/mod.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn show_help(handler: &Handler) {
[INFO] [stdout]   |                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handler`
[INFO] [stdout]   --> examples/functions/mod.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn get_version(handler: &Handler) {
[INFO] [stdout]    |                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handler`
[INFO] [stdout]  --> examples/functions/mod.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn show_help(handler: &Handler) {
[INFO] [stdout]   |                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handler`
[INFO] [stdout]   --> examples/functions/mod.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn get_version(handler: &Handler) {
[INFO] [stdout]    |                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handler`
[INFO] [stdout]  --> examples/functions/mod.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn show_help(handler: &Handler) {
[INFO] [stdout]   |                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handler`
[INFO] [stdout]   --> examples/functions/mod.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn get_version(handler: &Handler) {
[INFO] [stdout]    |                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `show_help` is never used
[INFO] [stdout]  --> examples/functions/mod.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn show_help(handler: &Handler) {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_version` is never used
[INFO] [stdout]   --> examples/functions/mod.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn get_version(handler: &Handler) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_twice` is never used
[INFO] [stdout]   --> examples/functions/mod.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn print_twice(handler: &Handler) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_twice` is never used
[INFO] [stdout]   --> examples/functions/mod.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn print_twice(handler: &Handler) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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/rustc3M3gOi/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,librustc_std_workspace_std-*,libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,libcfg_if-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/opt/rustwide/target/debug/deps/rustc3M3gOi/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/medusa-aef49b79909dab9e" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace and instructions to reproduce the bug.
[INFO] [stdout]           collect2: fatal error: ld terminated with signal 7 [Bus error], core dumped
[INFO] [stdout]           compilation terminated.
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `medusa` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "1f3f4ff3bc4991b247cd65e1dcbfafb6dcfd02669d7c633ad1eec42ae4d86441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f3f4ff3bc4991b247cd65e1dcbfafb6dcfd02669d7c633ad1eec42ae4d86441", kill_on_drop: false }`
[INFO] [stdout] 1f3f4ff3bc4991b247cd65e1dcbfafb6dcfd02669d7c633ad1eec42ae4d86441
