[INFO] fetching crate ckb-std 0.7.2...
[INFO] testing ckb-std-0.7.2 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate ckb-std 0.7.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate ckb-std 0.7.2 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ckb-std 0.7.2
[INFO] finished tweaking crates.io crate ckb-std 0.7.2
[INFO] tweaked toml for crates.io crate ckb-std 0.7.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate ckb-std 0.7.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded buddy-alloc v0.4.1
[INFO] [stderr]   Downloaded cc v1.0.56
[INFO] [stderr]   Downloaded ckb-standalone-types v0.0.1-pre.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7397fdc508217a83b6af390cb2dfaae0f27e202aca9b7f7900153367a42c6ce
[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" "c7397fdc508217a83b6af390cb2dfaae0f27e202aca9b7f7900153367a42c6ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7397fdc508217a83b6af390cb2dfaae0f27e202aca9b7f7900153367a42c6ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7397fdc508217a83b6af390cb2dfaae0f27e202aca9b7f7900153367a42c6ce", kill_on_drop: false }`
[INFO] [stdout] c7397fdc508217a83b6af390cb2dfaae0f27e202aca9b7f7900153367a42c6ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1ab7083d050a08abe6a08e1db886dc81ace504d2568aad9750ccfd1e865fee6
[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" "a1ab7083d050a08abe6a08e1db886dc81ace504d2568aad9750ccfd1e865fee6", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.56
[INFO] [stderr]    Compiling buddy-alloc v0.4.1
[INFO] [stderr]    Compiling molecule v0.6.0
[INFO] [stderr]    Compiling ckb-standalone-types v0.0.1-pre.1
[INFO] [stderr]    Compiling ckb-std v0.7.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a0`
[INFO] [stdout]   --> src/syscalls.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 {
[INFO] [stdout]    |            ^^ help: if this is intentional, prefix it with an underscore: `_a0`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a1`
[INFO] [stdout]   --> src/syscalls.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 {
[INFO] [stdout]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_a1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a2`
[INFO] [stdout]   --> src/syscalls.rs:12:30
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 {
[INFO] [stdout]    |                              ^^ help: if this is intentional, prefix it with an underscore: `_a2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a3`
[INFO] [stdout]   --> src/syscalls.rs:12:39
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 {
[INFO] [stdout]    |                                       ^^ help: if this is intentional, prefix it with an underscore: `_a3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a4`
[INFO] [stdout]   --> src/syscalls.rs:12:48
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 {
[INFO] [stdout]    |                                                ^^ help: if this is intentional, prefix it with an underscore: `_a4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a5`
[INFO] [stdout]   --> src/syscalls.rs:12:57
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 {
[INFO] [stdout]    |                                                         ^^ help: if this is intentional, prefix it with an underscore: `_a5`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a6`
[INFO] [stdout]   --> src/syscalls.rs:12:66
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 {
[INFO] [stdout]    |                                                                  ^^ help: if this is intentional, prefix it with an underscore: `_a6`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a7`
[INFO] [stdout]   --> src/syscalls.rs:12:75
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 {
[INFO] [stdout]    |                                                                           ^^ help: if this is intentional, prefix it with an underscore: `_a7`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/syscalls.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     unsafe { syscall(code as u64, 0, 0, 0, 0, 0, 0, SYS_EXIT) };
[INFO] [stdout]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/syscalls.rs:37:15
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let ret = unsafe {
[INFO] [stdout]    |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/syscalls.rs:416:5
[INFO] [stdout]     |
[INFO] [stdout] 416 |     unsafe {
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/syscalls.rs:471:15
[INFO] [stdout]     |
[INFO] [stdout] 471 |     let ret = unsafe {
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.62s
[INFO] running `Command { std: "docker" "inspect" "a1ab7083d050a08abe6a08e1db886dc81ace504d2568aad9750ccfd1e865fee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1ab7083d050a08abe6a08e1db886dc81ace504d2568aad9750ccfd1e865fee6", kill_on_drop: false }`
[INFO] [stdout] a1ab7083d050a08abe6a08e1db886dc81ace504d2568aad9750ccfd1e865fee6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ef4cc6773ed071a3101dcafa06ecb85c40bf1737de9a43758ba3111f2ce9b59
[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" "9ef4cc6773ed071a3101dcafa06ecb85c40bf1737de9a43758ba3111f2ce9b59", kill_on_drop: false }`
[INFO] [stderr]    Compiling ckb-std v0.7.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a0`
[INFO] [stdout]   --> src/syscalls.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 {
[INFO] [stdout]    |            ^^ help: if this is intentional, prefix it with an underscore: `_a0`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a1`
[INFO] [stdout]   --> src/syscalls.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 {
[INFO] [stdout]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_a1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a2`
[INFO] [stdout]   --> src/syscalls.rs:12:30
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 {
[INFO] [stdout]    |                              ^^ help: if this is intentional, prefix it with an underscore: `_a2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a3`
[INFO] [stdout]   --> src/syscalls.rs:12:39
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 {
[INFO] [stdout]    |                                       ^^ help: if this is intentional, prefix it with an underscore: `_a3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a4`
[INFO] [stdout]   --> src/syscalls.rs:12:48
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 {
[INFO] [stdout]    |                                                ^^ help: if this is intentional, prefix it with an underscore: `_a4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a5`
[INFO] [stdout]   --> src/syscalls.rs:12:57
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 {
[INFO] [stdout]    |                                                         ^^ help: if this is intentional, prefix it with an underscore: `_a5`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a6`
[INFO] [stdout]   --> src/syscalls.rs:12:66
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 {
[INFO] [stdout]    |                                                                  ^^ help: if this is intentional, prefix it with an underscore: `_a6`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a7`
[INFO] [stdout]   --> src/syscalls.rs:12:75
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 {
[INFO] [stdout]    |                                                                           ^^ help: if this is intentional, prefix it with an underscore: `_a7`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/syscalls.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     unsafe { syscall(code as u64, 0, 0, 0, 0, 0, 0, SYS_EXIT) };
[INFO] [stdout]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/syscalls.rs:37:15
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let ret = unsafe {
[INFO] [stdout]    |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/syscalls.rs:416:5
[INFO] [stdout]     |
[INFO] [stdout] 416 |     unsafe {
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/syscalls.rs:471:15
[INFO] [stdout]     |
[INFO] [stdout] 471 |     let ret = unsafe {
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/examples/main-f5ad93c3365c31aa.main.cglxh5r7-cgu.0.rcgu.o" "/opt/rustwide/target/debug/examples/main-f5ad93c3365c31aa.main.cglxh5r7-cgu.1.rcgu.o" "/opt/rustwide/target/debug/examples/main-f5ad93c3365c31aa.main.cglxh5r7-cgu.10.rcgu.o" "/opt/rustwide/target/debug/examples/main-f5ad93c3365c31aa.main.cglxh5r7-cgu.2.rcgu.o" "/opt/rustwide/target/debug/examples/main-f5ad93c3365c31aa.main.cglxh5r7-cgu.3.rcgu.o" "/opt/rustwide/target/debug/examples/main-f5ad93c3365c31aa.main.cglxh5r7-cgu.4.rcgu.o" "/opt/rustwide/target/debug/examples/main-f5ad93c3365c31aa.main.cglxh5r7-cgu.5.rcgu.o" "/opt/rustwide/target/debug/examples/main-f5ad93c3365c31aa.main.cglxh5r7-cgu.6.rcgu.o" "/opt/rustwide/target/debug/examples/main-f5ad93c3365c31aa.main.cglxh5r7-cgu.7.rcgu.o" "/opt/rustwide/target/debug/examples/main-f5ad93c3365c31aa.main.cglxh5r7-cgu.8.rcgu.o" "/opt/rustwide/target/debug/examples/main-f5ad93c3365c31aa.main.cglxh5r7-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/examples/main-f5ad93c3365c31aa" "/opt/rustwide/target/debug/examples/main-f5ad93c3365c31aa.2vjz33j9ifi5zymq.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libckb_std-28e194dfa2d18611.rlib" "/opt/rustwide/target/debug/deps/libbuddy_alloc-adcf466007d37e88.rlib" "/opt/rustwide/target/debug/deps/libckb_standalone_types-f4116b167dabe0eb.rlib" "/opt/rustwide/target/debug/deps/libmolecule-a082a4b2795cb8b2.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-4c6be1962c556cf0.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c22053fa5fc00a3b.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-c52e5d6301e1bd59.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2675a9a46b5cec89.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-6e3d052afeb9f711.rlib" "-Wl,-Bdynamic"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/examples/main-f5ad93c3365c31aa.main.cglxh5r7-cgu.3.rcgu.o: in function `_start':
[INFO] [stdout]           /opt/rustwide/workdir/src/entry.rs:21: multiple definition of `_start'; /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/Scrt1.o:(.text+0x0): first defined here
[INFO] [stdout]           /usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/Scrt1.o: in function `_start':
[INFO] [stdout]           (.text+0x16): undefined reference to `__libc_csu_fini'
[INFO] [stdout]           /usr/bin/ld: (.text+0x1d): undefined reference to `__libc_csu_init'
[INFO] [stdout]           /usr/bin/ld: (.text+0x2a): undefined reference to `__libc_start_main'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/examples/main-f5ad93c3365c31aa.main.cglxh5r7-cgu.0.rcgu.o: in function `<u8 as alloc::vec::SpecFromElem>::from_elem':
[INFO] [stdout]           /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/vec.rs:1996: undefined reference to `_Unwind_Resume'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/examples/main-f5ad93c3365c31aa.main.cglxh5r7-cgu.3.rcgu.o: in function `main':
[INFO] [stdout]           /opt/rustwide/workdir/examples/main.rs:11: undefined reference to `_Unwind_Resume'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/examples/main-f5ad93c3365c31aa.main.cglxh5r7-cgu.3.rcgu.o: in function `rust_begin_unwind':
[INFO] [stdout]           /opt/rustwide/workdir/src/entry.rs:36: undefined reference to `_Unwind_Resume'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libckb_std-28e194dfa2d18611.rlib(ckb_std-28e194dfa2d18611.ckb_std.bq4klleh-cgu.1.rcgu.o): in function `ckb_std::syscalls::debug':
[INFO] [stdout]           /opt/rustwide/workdir/src/syscalls.rs:413: undefined reference to `_Unwind_Resume'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libckb_std-28e194dfa2d18611.rlib(ckb_std-28e194dfa2d18611.ckb_std.bq4klleh-cgu.14.rcgu.o): in function `alloc::string::String::push':
[INFO] [stdout]           /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/string.rs:1080: undefined reference to `memset'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbuddy_alloc-adcf466007d37e88.rlib(buddy_alloc-adcf466007d37e88.buddy_alloc.9tvbq3be-cgu.2.rcgu.o): in function `buddy_alloc::non_threadsafe_alloc::NonThreadsafeAlloc::fetch_fast_alloc':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/buddy-alloc-0.4.1/src/non_threadsafe_alloc.rs:33: undefined reference to `_Unwind_Resume'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbuddy_alloc-adcf466007d37e88.rlib(buddy_alloc-adcf466007d37e88.buddy_alloc.9tvbq3be-cgu.2.rcgu.o): in function `buddy_alloc::non_threadsafe_alloc::NonThreadsafeAlloc::fetch_fast_alloc':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/buddy-alloc-0.4.1/src/non_threadsafe_alloc.rs:33: undefined reference to `_Unwind_Resume'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbuddy_alloc-adcf466007d37e88.rlib(buddy_alloc-adcf466007d37e88.buddy_alloc.9tvbq3be-cgu.2.rcgu.o): in function `buddy_alloc::non_threadsafe_alloc::NonThreadsafeAlloc::fetch_buddy_alloc':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/buddy-alloc-0.4.1/src/non_threadsafe_alloc.rs:41: undefined reference to `_Unwind_Resume'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbuddy_alloc-adcf466007d37e88.rlib(buddy_alloc-adcf466007d37e88.buddy_alloc.9tvbq3be-cgu.2.rcgu.o): in function `buddy_alloc::non_threadsafe_alloc::NonThreadsafeAlloc::fetch_buddy_alloc':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/buddy-alloc-0.4.1/src/non_threadsafe_alloc.rs:41: undefined reference to `_Unwind_Resume'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbuddy_alloc-adcf466007d37e88.rlib(buddy_alloc-adcf466007d37e88.buddy_alloc.9tvbq3be-cgu.2.rcgu.o): in function `buddy_alloc::non_threadsafe_alloc::NonThreadsafeAlloc::fetch_buddy_alloc':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/buddy-alloc-0.4.1/src/non_threadsafe_alloc.rs:41: undefined reference to `_Unwind_Resume'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbuddy_alloc-adcf466007d37e88.rlib(buddy_alloc-adcf466007d37e88.buddy_alloc.9tvbq3be-cgu.4.rcgu.o):/rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/cell.rs:390: more undefined references to `_Unwind_Resume' follow
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbuddy_alloc-adcf466007d37e88.rlib(buddy_alloc-adcf466007d37e88.buddy_alloc.9tvbq3be-cgu.6.rcgu.o): in function `core::mem::replace':
[INFO] [stdout]           /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/mem/mod.rs:816: undefined reference to `memcpy'
[INFO] [stdout]           /usr/bin/ld: /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/mem/mod.rs:814: undefined reference to `_Unwind_Resume'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbuddy_alloc-adcf466007d37e88.rlib(buddy_alloc-adcf466007d37e88.buddy_alloc.9tvbq3be-cgu.6.rcgu.o): in function `core::mem::replace':
[INFO] [stdout]           /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/mem/mod.rs:814: undefined reference to `_Unwind_Resume'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbuddy_alloc-adcf466007d37e88.rlib(buddy_alloc-adcf466007d37e88.buddy_alloc.9tvbq3be-cgu.6.rcgu.o): in function `core::mem::replace':
[INFO] [stdout]           /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/mem/mod.rs:814: undefined reference to `_Unwind_Resume'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbuddy_alloc-adcf466007d37e88.rlib(buddy_alloc-adcf466007d37e88.buddy_alloc.9tvbq3be-cgu.7.rcgu.o): in function `core::option::Option<T>::replace':
[INFO] [stdout]           /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/option.rs:925: undefined reference to `memcpy'
[INFO] [stdout]           /usr/bin/ld: /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/option.rs:925: undefined reference to `memcpy'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbuddy_alloc-adcf466007d37e88.rlib(buddy_alloc-adcf466007d37e88.buddy_alloc.9tvbq3be-cgu.9.rcgu.o): in function `core::intrinsics::write_bytes':
[INFO] [stdout]           /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/intrinsics.rs:2022: undefined reference to `memset'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbuddy_alloc-adcf466007d37e88.rlib(buddy_alloc-adcf466007d37e88.buddy_alloc.9tvbq3be-cgu.9.rcgu.o): in function `core::intrinsics::write_bytes':
[INFO] [stdout]           /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/intrinsics.rs:2022: undefined reference to `memset'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbuddy_alloc-adcf466007d37e88.rlib(buddy_alloc-adcf466007d37e88.buddy_alloc.9tvbq3be-cgu.9.rcgu.o): in function `core::intrinsics::copy_nonoverlapping':
[INFO] [stdout]           /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/intrinsics.rs:1860: undefined reference to `memcpy'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbuddy_alloc-adcf466007d37e88.rlib(buddy_alloc-adcf466007d37e88.buddy_alloc.9tvbq3be-cgu.9.rcgu.o): in function `core::intrinsics::copy_nonoverlapping':
[INFO] [stdout]           /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/intrinsics.rs:1860: undefined reference to `memcpy'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbuddy_alloc-adcf466007d37e88.rlib(buddy_alloc-adcf466007d37e88.buddy_alloc.9tvbq3be-cgu.9.rcgu.o): in function `core::intrinsics::copy_nonoverlapping':
[INFO] [stdout]           /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/intrinsics.rs:1860: undefined reference to `memcpy'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbuddy_alloc-adcf466007d37e88.rlib(buddy_alloc-adcf466007d37e88.buddy_alloc.9tvbq3be-cgu.9.rcgu.o): in function `core::intrinsics::copy_nonoverlapping':
[INFO] [stdout]           /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/intrinsics.rs:1860: undefined reference to `memcpy'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbuddy_alloc-adcf466007d37e88.rlib(buddy_alloc-adcf466007d37e88.buddy_alloc.9tvbq3be-cgu.9.rcgu.o): in function `core::intrinsics::copy_nonoverlapping':
[INFO] [stdout]           /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/intrinsics.rs:1860: undefined reference to `memcpy'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbuddy_alloc-adcf466007d37e88.rlib(buddy_alloc-adcf466007d37e88.buddy_alloc.9tvbq3be-cgu.1.rcgu.o): in function `core::ptr::write_unaligned':
[INFO] [stdout]           /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ptr/mod.rs:977: undefined reference to `_Unwind_Resume'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbuddy_alloc-adcf466007d37e88.rlib(buddy_alloc-adcf466007d37e88.buddy_alloc.9tvbq3be-cgu.1.rcgu.o): in function `core::ptr::write_unaligned':
[INFO] [stdout]           /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ptr/mod.rs:977: undefined reference to `_Unwind_Resume'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbuddy_alloc-adcf466007d37e88.rlib(buddy_alloc-adcf466007d37e88.buddy_alloc.9tvbq3be-cgu.1.rcgu.o): in function `core::ptr::swap_nonoverlapping_one':
[INFO] [stdout]           /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ptr/mod.rs:451: undefined reference to `_Unwind_Resume'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbuddy_alloc-adcf466007d37e88.rlib(buddy_alloc-adcf466007d37e88.buddy_alloc.9tvbq3be-cgu.1.rcgu.o): in function `core::ptr::swap_nonoverlapping_one':
[INFO] [stdout]           /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ptr/mod.rs:451: undefined reference to `_Unwind_Resume'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbuddy_alloc-adcf466007d37e88.rlib(buddy_alloc-adcf466007d37e88.buddy_alloc.9tvbq3be-cgu.1.rcgu.o): in function `core::ptr::swap_nonoverlapping_one':
[INFO] [stdout]           /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ptr/mod.rs:451: undefined reference to `_Unwind_Resume'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbuddy_alloc-adcf466007d37e88.rlib(buddy_alloc-adcf466007d37e88.buddy_alloc.9tvbq3be-cgu.1.rcgu.o):/rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ptr/mod.rs:451: more undefined references to `_Unwind_Resume' follow
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbuddy_alloc-adcf466007d37e88.rlib(buddy_alloc-adcf466007d37e88.buddy_alloc.9tvbq3be-cgu.1.rcgu.o): in function `core::ptr::read':
[INFO] [stdout]           /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ptr/mod.rs:699: undefined reference to `memcpy'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbuddy_alloc-adcf466007d37e88.rlib(buddy_alloc-adcf466007d37e88.buddy_alloc.9tvbq3be-cgu.1.rcgu.o): in function `core::mem::maybe_uninit::MaybeUninit<T>::assume_init':
[INFO] [stdout]           /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/mem/maybe_uninit.rs:513: undefined reference to `memcpy'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbuddy_alloc-adcf466007d37e88.rlib(buddy_alloc-adcf466007d37e88.buddy_alloc.9tvbq3be-cgu.1.rcgu.o): in function `core::mem::manually_drop::ManuallyDrop<T>::into_inner':
[INFO] [stdout]           /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/mem/manually_drop.rs:88: undefined reference to `memcpy'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbuddy_alloc-adcf466007d37e88.rlib(buddy_alloc-adcf466007d37e88.buddy_alloc.9tvbq3be-cgu.1.rcgu.o): in function `core::ptr::write':
[INFO] [stdout]           /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ptr/mod.rs:889: undefined reference to `memcpy'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbuddy_alloc-adcf466007d37e88.rlib(buddy_alloc-adcf466007d37e88.buddy_alloc.9tvbq3be-cgu.11.rcgu.o): in function `core::iter::traits::iterator::Iterator::find::check::{{closure}}':
[INFO] [stdout]           /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/iter/traits/iterator.rs:2226: undefined reference to `_Unwind_Resume'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbuddy_alloc-adcf466007d37e88.rlib(buddy_alloc-adcf466007d37e88.buddy_alloc.9tvbq3be-cgu.15.rcgu.o): in function `core::result::Result<T,E>::expect':
[INFO] [stdout]           /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/result.rs:930: undefined reference to `_Unwind_Resume'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbuddy_alloc-adcf466007d37e88.rlib(buddy_alloc-adcf466007d37e88.buddy_alloc.9tvbq3be-cgu.15.rcgu.o): in function `core::result::Result<T,E>::expect':
[INFO] [stdout]           /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/result.rs:930: undefined reference to `_Unwind_Resume'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libckb_standalone_types-f4116b167dabe0eb.rlib(ckb_standalone_types-f4116b167dabe0eb.ckb_standalone_types.61axu56e-cgu.12.rcgu.o): in function `core::cmp::min_by':
[INFO] [stdout]           /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/cmp.rs:952: undefined reference to `_Unwind_Resume'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libmolecule-a082a4b2795cb8b2.rlib(molecule-a082a4b2795cb8b2.molecule.8i6v4j7f-cgu.1.rcgu.o): in function `alloc::raw_vec::RawVec<T,A>::allocate_in':
[INFO] [stdout]           /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/raw_vec.rs:174: undefined reference to `_Unwind_Resume'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libmolecule-a082a4b2795cb8b2.rlib(molecule-a082a4b2795cb8b2.molecule.8i6v4j7f-cgu.1.rcgu.o):/rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/raw_vec.rs:121: more undefined references to `_Unwind_Resume' follow
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libmolecule-a082a4b2795cb8b2.rlib(molecule-a082a4b2795cb8b2.molecule.8i6v4j7f-cgu.11.rcgu.o): in function `core::intrinsics::write_bytes':
[INFO] [stdout]           /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/intrinsics.rs:2022: undefined reference to `memset'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libmolecule-a082a4b2795cb8b2.rlib(molecule-a082a4b2795cb8b2.molecule.8i6v4j7f-cgu.11.rcgu.o): in function `core::intrinsics::copy_nonoverlapping':
[INFO] [stdout]           /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/intrinsics.rs:1860: undefined reference to `memcpy'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libmolecule-a082a4b2795cb8b2.rlib(molecule-a082a4b2795cb8b2.molecule.8i6v4j7f-cgu.11.rcgu.o): in function `core::ptr::drop_in_place':
[INFO] [stdout]           /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ptr/mod.rs:179: undefined reference to `_Unwind_Resume'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libmolecule-a082a4b2795cb8b2.rlib(molecule-a082a4b2795cb8b2.molecule.8i6v4j7f-cgu.15.rcgu.o): in function `core::result::Result<T,E>::unwrap':
[INFO] [stdout]           /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/result.rs:970: undefined reference to `_Unwind_Resume'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libmolecule-a082a4b2795cb8b2.rlib(molecule-a082a4b2795cb8b2.molecule.8i6v4j7f-cgu.5.rcgu.o): in function `alloc::vec::Vec<T,A>::push':
[INFO] [stdout]           /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/vec.rs:1405: undefined reference to `_Unwind_Resume'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libmolecule-a082a4b2795cb8b2.rlib(molecule-a082a4b2795cb8b2.molecule.8i6v4j7f-cgu.9.rcgu.o): in function `core::cmp::max_by':
[INFO] [stdout]           /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/cmp.rs:1018: undefined reference to `_Unwind_Resume'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c22053fa5fc00a3b.rlib(alloc-c22053fa5fc00a3b.alloc.btp02kzd-cgu.0.rcgu.o): in function `core::intrinsics::copy_nonoverlapping':
[INFO] [stdout]           /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/intrinsics.rs:1860: undefined reference to `memcpy'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c22053fa5fc00a3b.rlib(alloc-c22053fa5fc00a3b.alloc.btp02kzd-cgu.0.rcgu.o): in function `alloc::fmt::format':
[INFO] [stdout]           /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6//library/alloc/src/fmt.rs:579: undefined reference to `_Unwind_Resume'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c22053fa5fc00a3b.rlib(alloc-c22053fa5fc00a3b.alloc.btp02kzd-cgu.0.rcgu.o): in function `core::intrinsics::copy_nonoverlapping':
[INFO] [stdout]           /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/intrinsics.rs:1860: undefined reference to `memcpy'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ckb-std`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `a0`
[INFO] [stdout]   --> src/syscalls.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 {
[INFO] [stdout]    |            ^^ help: if this is intentional, prefix it with an underscore: `_a0`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a1`
[INFO] [stdout]   --> src/syscalls.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 {
[INFO] [stdout]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_a1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a2`
[INFO] [stdout]   --> src/syscalls.rs:12:30
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 {
[INFO] [stdout]    |                              ^^ help: if this is intentional, prefix it with an underscore: `_a2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a3`
[INFO] [stdout]   --> src/syscalls.rs:12:39
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 {
[INFO] [stdout]    |                                       ^^ help: if this is intentional, prefix it with an underscore: `_a3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a4`
[INFO] [stdout]   --> src/syscalls.rs:12:48
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 {
[INFO] [stdout]    |                                                ^^ help: if this is intentional, prefix it with an underscore: `_a4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a5`
[INFO] [stdout]   --> src/syscalls.rs:12:57
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 {
[INFO] [stdout]    |                                                         ^^ help: if this is intentional, prefix it with an underscore: `_a5`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a6`
[INFO] [stdout]   --> src/syscalls.rs:12:66
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 {
[INFO] [stdout]    |                                                                  ^^ help: if this is intentional, prefix it with an underscore: `_a6`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a7`
[INFO] [stdout]   --> src/syscalls.rs:12:75
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn syscall(a0: u64, a1: u64, a2: u64, a3: u64, a4: u64, a5: u64, a6: u64, a7: u64) -> u64 {
[INFO] [stdout]    |                                                                           ^^ help: if this is intentional, prefix it with an underscore: `_a7`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/syscalls.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     unsafe { syscall(code as u64, 0, 0, 0, 0, 0, 0, SYS_EXIT) };
[INFO] [stdout]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/syscalls.rs:37:15
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let ret = unsafe {
[INFO] [stdout]    |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/syscalls.rs:416:5
[INFO] [stdout]     |
[INFO] [stdout] 416 |     unsafe {
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/syscalls.rs:471:15
[INFO] [stdout]     |
[INFO] [stdout] 471 |     let ret = unsafe {
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9ef4cc6773ed071a3101dcafa06ecb85c40bf1737de9a43758ba3111f2ce9b59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ef4cc6773ed071a3101dcafa06ecb85c40bf1737de9a43758ba3111f2ce9b59", kill_on_drop: false }`
[INFO] [stdout] 9ef4cc6773ed071a3101dcafa06ecb85c40bf1737de9a43758ba3111f2ce9b59