[INFO] updating cached repository https://github.com/spebern/futures-delay-queue
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7584d7e59b80403c0875c28645eb715b989c085b
[INFO] checking spebern/futures-delay-queue against try#71b81291baafb8a58836272757b28817fe1d8190 for pr-73102
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspebern%2Ffutures-delay-queue" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/spebern/futures-delay-queue on toolchain 71b81291baafb8a58836272757b28817fe1d8190
[INFO] running `"/workspace/cargo-home/bin/cargo" "+71b81291baafb8a58836272757b28817fe1d8190" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/spebern/futures-delay-queue
[INFO] finished tweaking git repo https://github.com/spebern/futures-delay-queue
[INFO] tweaked toml for git repo https://github.com/spebern/futures-delay-queue written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+71b81291baafb8a58836272757b28817fe1d8190" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+71b81291baafb8a58836272757b28817fe1d8190" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+71b81291baafb8a58836272757b28817fe1d8190" "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] b0aec3358598ddb154a5f7a3c025e42e5ad1f38d14d0272baeb431d0e275314c
[INFO] running `"docker" "start" "-a" "b0aec3358598ddb154a5f7a3c025e42e5ad1f38d14d0272baeb431d0e275314c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling pin-project-internal v0.4.21
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking kv-log-macro v1.0.6
[INFO] [stderr]     Checking futures-intrusive v0.3.1
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]     Checking pin-project v0.4.21
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking piper v0.1.3
[INFO] [stderr]     Checking smol v0.1.11
[INFO] [stderr]     Checking async-std v1.6.1
[INFO] [stderr]     Checking futures-delay-queue v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.81s
[INFO] running `"docker" "inspect" "b0aec3358598ddb154a5f7a3c025e42e5ad1f38d14d0272baeb431d0e275314c"`
[INFO] running `"docker" "rm" "-f" "b0aec3358598ddb154a5f7a3c025e42e5ad1f38d14d0272baeb431d0e275314c"`
[INFO] [stdout] b0aec3358598ddb154a5f7a3c025e42e5ad1f38d14d0272baeb431d0e275314c