[INFO] fetching crate libipld 0.3.1...
[INFO] checking libipld-0.3.1 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate libipld 0.3.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate libipld 0.3.1 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libipld 0.3.1
[INFO] finished tweaking crates.io crate libipld 0.3.1
[INFO] tweaked toml for crates.io crate libipld 0.3.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b51c7ecb19355372200e07d3d37bf8d749785fd48c23aa0bd3345f81f95d496
[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" "2b51c7ecb19355372200e07d3d37bf8d749785fd48c23aa0bd3345f81f95d496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b51c7ecb19355372200e07d3d37bf8d749785fd48c23aa0bd3345f81f95d496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b51c7ecb19355372200e07d3d37bf8d749785fd48c23aa0bd3345f81f95d496", kill_on_drop: false }`
[INFO] [stdout] 2b51c7ecb19355372200e07d3d37bf8d749785fd48c23aa0bd3345f81f95d496
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07318538b865ab883a87ae6821237c85871dfe6443d23d43e59ba3f6613a777b
[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" "07318538b865ab883a87ae6821237c85871dfe6443d23d43e59ba3f6613a777b", kill_on_drop: false }`
[INFO] [stderr] Checking cfg-if v0.1.10
[INFO] [stderr] Compiling libc v0.2.76
[INFO] [stderr] Compiling proc-macro2 v1.0.19
[INFO] [stderr] Compiling unicode-xid v0.2.1
[INFO] [stderr] Compiling syn v1.0.39
[INFO] [stderr] Compiling typenum v1.12.0
[INFO] [stderr] Compiling version_check v0.9.2
[INFO] [stderr] Checking lazy_static v1.4.0
[INFO] [stderr] Compiling memchr v2.3.3
[INFO] [stderr] Compiling byteorder v1.3.4
[INFO] [stderr] Checking block-padding v0.2.1
[INFO] [stderr] Compiling autocfg v0.1.7
[INFO] [stderr] Checking opaque-debug v0.3.0
[INFO] [stderr] Checking cache-padded v1.1.1
[INFO] [stderr] Checking constant_time_eq v0.1.5
[INFO] [stderr] Checking arrayref v0.3.6
[INFO] [stderr] Compiling proc-macro-hack v0.5.18
[INFO] [stderr] Compiling data-encoding v2.3.0
[INFO] [stderr] Checking cpuid-bool v0.1.2
[INFO] [stderr] Checking arrayvec v0.5.1
[INFO] [stderr] Compiling bitflags v1.2.1
[INFO] [stderr] Checking fastrand v1.3.4
[INFO] [stderr] Checking keccak v0.1.0
[INFO] [stderr] Checking futures-core v0.3.5
[INFO] [stderr] Checking unsigned-varint v0.5.0
[INFO] [stderr] Checking base-x v0.2.6
[INFO] [stderr] Checking futures-io v0.3.5
[INFO] [stderr] Checking waker-fn v1.1.0
[INFO] [stderr] Checking pin-project-lite v0.1.7
[INFO] [stderr] Checking parking v2.0.0
[INFO] [stderr] Checking unsigned-varint v0.3.3
[INFO] [stderr] Checking once_cell v1.4.1
[INFO] [stderr] Checking regex-syntax v0.6.18
[INFO] [stderr] Checking event-listener v2.4.0
[INFO] [stderr] Checking vec-arena v0.5.2
[INFO] [stderr] Checking fnv v1.0.7
[INFO] [stderr] Checking bit-vec v0.6.2
[INFO] [stderr] Checking async-task v3.0.0
[INFO] [stderr] Checking parking v1.0.6
[INFO] [stderr] Checking atomic-waker v1.0.0
[INFO] [stderr] Checking scoped-tls v1.0.0
[INFO] [stderr] Checking pin-utils v0.1.0
[INFO] [stderr] Checking slab v0.4.2
[INFO] [stderr] Checking half v1.6.0
[INFO] [stderr] Checking permutohedron v0.2.4
[INFO] [stderr] Checking oorandom v11.1.2
[INFO] [stderr] Checking rand_core v0.3.1
[INFO] [stderr] Checking rand_jitter v0.1.4
[INFO] [stderr] Checking concurrent-queue v1.2.2
[INFO] [stderr] Checking blake2b_simd v0.5.10
[INFO] [stderr] Checking blake2s_simd v0.5.10
[INFO] [stderr] Checking itertools v0.9.0
[INFO] [stderr] Checking async-mutex v1.1.5
[INFO] [stderr] Compiling generic-array v0.14.4
[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 rand_hc v0.1.0
[INFO] [stderr] Checking rand_isaac v0.1.1
[INFO] [stderr] Checking rand_xorshift v0.1.1
[INFO] [stderr] Checking log v0.4.11
[INFO] [stderr] Checking bit-set v0.5.2
[INFO] [stderr] Checking crossbeam-utils v0.7.2
[INFO] [stderr] Checking serde_cbor v0.11.1
[INFO] [stderr] Checking multitask v0.2.0
[INFO] [stderr] Checking async-channel v1.4.1
[INFO] [stderr] Checking clap v2.33.3
[INFO] [stderr] Checking plotters v0.2.15
[INFO] [stderr] Checking regex-automata v0.1.9
[INFO] [stderr] Checking futures-lite v0.1.11
[INFO] [stderr] Checking csv-core v0.1.10
[INFO] [stderr] Checking kv-log-macro v1.0.7
[INFO] [stderr] Checking crossbeam-epoch v0.8.2
[INFO] [stderr] Checking crossbeam-channel v0.4.3
[INFO] [stderr] Compiling quote v1.0.7
[INFO] [stderr] Checking criterion-plot v0.4.3
[INFO] [stderr] Checking bstr v0.2.13
[INFO] [stderr] Checking getrandom v0.1.14
[INFO] [stderr] Checking num_cpus v1.13.0
[INFO] [stderr] Checking wait-timeout v0.2.0
[INFO] [stderr] Checking polling v0.1.5
[INFO] [stderr] Checking socket2 v0.3.12
[INFO] [stderr] Checking rand_os v0.1.3
[INFO] [stderr] Checking rand v0.5.6
[INFO] [stderr] Checking atty v0.2.14
[INFO] [stderr] Checking crossbeam-deque v0.7.3
[INFO] [stderr] Checking blocking v0.5.2
[INFO] [stderr] Checking rand_core v0.5.1
[INFO] [stderr] Checking async-io v0.1.11
[INFO] [stderr] Checking rayon-core v1.8.0
[INFO] [stderr] Checking rand_chacha v0.2.2
[INFO] [stderr] Checking csv v1.1.3
[INFO] [stderr] Checking rand v0.7.3
[INFO] [stderr] Checking async-executor v0.1.2
[INFO] [stderr] Checking digest v0.9.0
[INFO] [stderr] Checking block-buffer v0.9.0
[INFO] [stderr] Checking rayon v1.4.0
[INFO] [stderr] Checking sha-1 v0.9.1
[INFO] [stderr] Checking sha3 v0.9.1
[INFO] [stderr] Checking sha2 v0.9.1
[INFO] [stderr] Checking multihash v0.11.4
[INFO] [stderr] Checking regex v1.3.9
[INFO] [stderr] Checking tempfile v3.1.0
[INFO] [stderr] Checking rusty-fork v0.2.2
[INFO] [stderr] Checking proptest v0.8.7
[INFO] [stderr] Checking proptest v0.9.6
[INFO] [stderr] Compiling synstructure v0.12.4
[INFO] [stderr] Checking model v0.1.2
[INFO] [stderr] Compiling data-encoding-macro-internal v0.1.8
[INFO] [stderr] Compiling thiserror-impl v1.0.20
[INFO] [stderr] Compiling async-attributes v1.1.1
[INFO] [stderr] Compiling serde_derive v1.0.115
[INFO] [stderr] Compiling libipld-cbor-derive v0.3.0
[INFO] [stderr] Checking async-std v1.6.3
[INFO] [stderr] Checking data-encoding-macro v0.1.8
[INFO] [stderr] Checking multibase v0.8.0
[INFO] [stderr] Checking cid v0.5.1
[INFO] [stderr] Checking thiserror v1.0.20
[INFO] [stderr] Checking libipld-core v0.3.1
[INFO] [stderr] Checking libipld-macro v0.3.0
[INFO] [stderr] Checking libipld-cbor v0.3.0
[INFO] [stderr] Checking libipld v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] Checking criterion v0.3.3
[INFO] [stdout] error[E0706]: functions in traits cannot be declared `async`
[INFO] [stdout] --> benches/store.rs:26:5
[INFO] [stdout] |
[INFO] [stdout] 26 | async fn read(&self, cid: &Cid) -> Result