[INFO] crate uppercut 0.1.0 is already in cache
[INFO] checking uppercut-0.1.0 against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] extracting crate uppercut 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate uppercut 0.1.0 on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uppercut 0.1.0
[INFO] finished tweaking crates.io crate uppercut 0.1.0
[INFO] tweaked toml for crates.io crate uppercut 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate uppercut 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46d0c1f996734d9f8a453dfb07e36645ad0cb49fb148940cc5a3e441eda9ab50
[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" "46d0c1f996734d9f8a453dfb07e36645ad0cb49fb148940cc5a3e441eda9ab50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46d0c1f996734d9f8a453dfb07e36645ad0cb49fb148940cc5a3e441eda9ab50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46d0c1f996734d9f8a453dfb07e36645ad0cb49fb148940cc5a3e441eda9ab50", kill_on_drop: false }`
[INFO] [stdout] 46d0c1f996734d9f8a453dfb07e36645ad0cb49fb148940cc5a3e441eda9ab50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39ca6dde26160a125d20da11d0a27493e9673e2da6169fd0f87b4ccfd1b426b0
[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" "39ca6dde26160a125d20da11d0a27493e9673e2da6169fd0f87b4ccfd1b426b0", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking core_affinity v0.5.10
[INFO] [stderr]     Checking uppercut v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> benches/../src/config.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(scheduler: SchedulerConfig) -> Config {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pool`
[INFO] [stdout]    --> benches/../src/core.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pool: &'a ThreadPool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `spawn`
[INFO] [stdout]    --> benches/../src/core.rs:191:12
[INFO] [stdout]     |
[INFO] [stdout] 191 |     pub fn spawn<F: FnOnce() -> Actor>(&self, address: &str, f: F) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `delay`
[INFO] [stdout]    --> benches/../src/core.rs:201:12
[INFO] [stdout]     |
[INFO] [stdout] 201 |     pub fn delay(&self, address: &str, envelope: Envelope, duration: Duration) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `stop`
[INFO] [stdout]    --> benches/../src/core.rs:208:12
[INFO] [stdout]     |
[INFO] [stdout] 208 |     pub fn stop(&self, address: &str) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `submit`
[INFO] [stdout]    --> benches/../src/core.rs:218:12
[INFO] [stdout]     |
[INFO] [stdout] 218 |     pub fn submit<F: FnOnce() + Send + 'static>(&self, f: F) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> tests/../src/config.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(scheduler: SchedulerConfig) -> Config {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pool`
[INFO] [stdout]    --> tests/../src/core.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pool: &'a ThreadPool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `spawn_default`
[INFO] [stdout]    --> tests/../src/core.rs:196:12
[INFO] [stdout]     |
[INFO] [stdout] 196 |     pub fn spawn_default<T: 'static + AnyActor + Send + Default>(&self, address: &str) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `stop`
[INFO] [stdout]    --> tests/../src/core.rs:208:12
[INFO] [stdout]     |
[INFO] [stdout] 208 |     pub fn stop(&self, address: &str) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `submit`
[INFO] [stdout]    --> tests/../src/core.rs:218:12
[INFO] [stdout]     |
[INFO] [stdout] 218 |     pub fn submit<F: FnOnce() + Send + 'static>(&self, f: F) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.46s
[INFO] running `Command { std: "docker" "inspect" "39ca6dde26160a125d20da11d0a27493e9673e2da6169fd0f87b4ccfd1b426b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39ca6dde26160a125d20da11d0a27493e9673e2da6169fd0f87b4ccfd1b426b0", kill_on_drop: false }`
[INFO] [stdout] 39ca6dde26160a125d20da11d0a27493e9673e2da6169fd0f87b4ccfd1b426b0