[INFO] fetching crate uppercut 0.1.1...
[INFO] checking uppercut-0.1.1 against master#e1beee4992ad4b235fc700bf7af1ee86f894ea53 for pr-74130
[INFO] extracting crate uppercut 0.1.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate uppercut 0.1.1 on toolchain e1beee4992ad4b235fc700bf7af1ee86f894ea53
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uppercut 0.1.1
[INFO] finished tweaking crates.io crate uppercut 0.1.1
[INFO] tweaked toml for crates.io crate uppercut 0.1.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate uppercut 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 442506e2e77ea472b425f7105649e262124759b06786d9ea6a32f0edf007146b
[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" "442506e2e77ea472b425f7105649e262124759b06786d9ea6a32f0edf007146b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "442506e2e77ea472b425f7105649e262124759b06786d9ea6a32f0edf007146b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "442506e2e77ea472b425f7105649e262124759b06786d9ea6a32f0edf007146b", kill_on_drop: false }`
[INFO] [stdout] 442506e2e77ea472b425f7105649e262124759b06786d9ea6a32f0edf007146b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2c9968004ae2f4f3086a03ba586518b8ccd680fb3ea0fb54a51a9739652c2355
[INFO] running `Command { std: "docker" "start" "-a" "2c9968004ae2f4f3086a03ba586518b8ccd680fb3ea0fb54a51a9739652c2355", kill_on_drop: false }`
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking core_affinity v0.5.10
[INFO] [stderr]     Checking uppercut v0.1.1 (/opt/rustwide/workdir)
[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: associated function is never used: `with_total_threads`
[INFO] [stdout]   --> tests/../src/config.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn with_total_threads(total_threads: usize) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pool`
[INFO] [stdout]    --> tests/../src/core.rs:182:5
[INFO] [stdout]     |
[INFO] [stdout] 182 |     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:197:12
[INFO] [stdout]     |
[INFO] [stdout] 197 |     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:209:12
[INFO] [stdout]     |
[INFO] [stdout] 209 |     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:219:12
[INFO] [stdout]     |
[INFO] [stdout] 219 |     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]  --> 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: associated function is never used: `with_total_threads`
[INFO] [stdout]   --> benches/../src/config.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn with_total_threads(total_threads: usize) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pool`
[INFO] [stdout]    --> benches/../src/core.rs:182:5
[INFO] [stdout]     |
[INFO] [stdout] 182 |     pool: &'a ThreadPool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `spawn`
[INFO] [stdout]    --> benches/../src/core.rs:192:12
[INFO] [stdout]     |
[INFO] [stdout] 192 |     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:202:12
[INFO] [stdout]     |
[INFO] [stdout] 202 |     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:209:12
[INFO] [stdout]     |
[INFO] [stdout] 209 |     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:219:12
[INFO] [stdout]     |
[INFO] [stdout] 219 |     pub fn submit<F: FnOnce() + Send + 'static>(&self, f: F) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.42s
[INFO] running `Command { std: "docker" "inspect" "2c9968004ae2f4f3086a03ba586518b8ccd680fb3ea0fb54a51a9739652c2355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c9968004ae2f4f3086a03ba586518b8ccd680fb3ea0fb54a51a9739652c2355", kill_on_drop: false }`
[INFO] [stdout] 2c9968004ae2f4f3086a03ba586518b8ccd680fb3ea0fb54a51a9739652c2355