[INFO] cloning repository https://github.com/RadicalZephyr/tokio-test-runtime
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RadicalZephyr/tokio-test-runtime" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRadicalZephyr%2Ftokio-test-runtime"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRadicalZephyr%2Ftokio-test-runtime'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 90f08acd5b06325c5c7db1391e934b6049012065
[INFO] checking RadicalZephyr/tokio-test-runtime against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRadicalZephyr%2Ftokio-test-runtime" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RadicalZephyr/tokio-test-runtime on toolchain 914adf04af1c1a984707f778da3d04590c03d144
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/RadicalZephyr/tokio-test-runtime
[INFO] finished tweaking git repo https://github.com/RadicalZephyr/tokio-test-runtime
[INFO] tweaked toml for git repo https://github.com/RadicalZephyr/tokio-test-runtime written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/RadicalZephyr/tokio-test-runtime already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "/opt/rustwide/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1a608434cd1789581a8781367a86c5a3f35548baf19e26679bacd8a3a4d8c5fa
[INFO] running `"docker" "start" "-a" "1a608434cd1789581a8781367a86c5a3f35548baf19e26679bacd8a3a4d8c5fa"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking tokio-trace-core v0.2.0
[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking tokio-executor v0.1.7
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio v0.1.21
[INFO] [stderr]     Checking tokio-test-runtime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `spawn_with_default`
[INFO] [stderr]   --> src/main.rs:61:4
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn spawn_with_default() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.56s
[INFO] running `"docker" "inspect" "1a608434cd1789581a8781367a86c5a3f35548baf19e26679bacd8a3a4d8c5fa"`
[INFO] running `"docker" "rm" "-f" "1a608434cd1789581a8781367a86c5a3f35548baf19e26679bacd8a3a4d8c5fa"`
[INFO] [stdout] 1a608434cd1789581a8781367a86c5a3f35548baf19e26679bacd8a3a4d8c5fa