[INFO] cloning repository https://github.com/LaoLittle/krab-runtime
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LaoLittle/krab-runtime" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLaoLittle%2Fkrab-runtime", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLaoLittle%2Fkrab-runtime'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 345636346fa1384004cee276c87821bd3328932c
[INFO] checking LaoLittle/krab-runtime/345636346fa1384004cee276c87821bd3328932c against master#5ad98b4026d5172f27615b105658bc8bfd677be8 for pr-129422
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLaoLittle%2Fkrab-runtime" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LaoLittle/krab-runtime on toolchain 5ad98b4026d5172f27615b105658bc8bfd677be8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LaoLittle/krab-runtime
[INFO] finished tweaking git repo https://github.com/LaoLittle/krab-runtime
[INFO] tweaked toml for git repo https://github.com/LaoLittle/krab-runtime written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/LaoLittle/krab-runtime 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" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f31baa49a4127f7b91984fe4e1f3c0706f6b8e3430117e9311989a08e1881c4
[INFO] running `Command { std: "docker" "start" "-a" "5f31baa49a4127f7b91984fe4e1f3c0706f6b8e3430117e9311989a08e1881c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f31baa49a4127f7b91984fe4e1f3c0706f6b8e3430117e9311989a08e1881c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f31baa49a4127f7b91984fe4e1f3c0706f6b8e3430117e9311989a08e1881c4", kill_on_drop: false }`
[INFO] [stdout] 5f31baa49a4127f7b91984fe4e1f3c0706f6b8e3430117e9311989a08e1881c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aef1807da4dec8d49630ee857f39a73158f8382cc33c4ae070728adf745798fa
[INFO] running `Command { std: "docker" "start" "-a" "aef1807da4dec8d49630ee857f39a73158f8382cc33c4ae070728adf745798fa", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.11.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking krab-runtime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `gc_root` is never used
[INFO] [stdout]   --> src/rt/gc.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn gc_root() -> &'static Slab<SyncKObject> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `thread_dec` is never used
[INFO] [stdout]   --> src/rt/thread.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn thread_dec() -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `krab_thread_epilogue` is never used
[INFO] [stdout]   --> src/rt/thread.rs:83:15
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub unsafe fn krab_thread_epilogue() {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gc_root` is never used
[INFO] [stdout]   --> src/rt/gc.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn gc_root() -> &'static Slab<SyncKObject> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `thread_dec` is never used
[INFO] [stdout]   --> src/rt/thread.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn thread_dec() -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `krab_thread_epilogue` is never used
[INFO] [stdout]   --> src/rt/thread.rs:83:15
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub unsafe fn krab_thread_epilogue() {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.88s
[INFO] running `Command { std: "docker" "inspect" "aef1807da4dec8d49630ee857f39a73158f8382cc33c4ae070728adf745798fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aef1807da4dec8d49630ee857f39a73158f8382cc33c4ae070728adf745798fa", kill_on_drop: false }`
[INFO] [stdout] aef1807da4dec8d49630ee857f39a73158f8382cc33c4ae070728adf745798fa