[INFO] fetching crate libp2p-yamux 0.21.0...
[INFO] checking libp2p-yamux-0.21.0 against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] extracting crate libp2p-yamux 0.21.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate libp2p-yamux 0.21.0 on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libp2p-yamux 0.21.0
[INFO] finished tweaking crates.io crate libp2p-yamux 0.21.0
[INFO] tweaked toml for crates.io crate libp2p-yamux 0.21.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libp2p-core v0.21.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", 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] d0f2c39622a3d4fa5843e7fc622347b1fce5c42a355962401f13e90e528c7c72
[INFO] running `Command { std: "docker" "start" "-a" "d0f2c39622a3d4fa5843e7fc622347b1fce5c42a355962401f13e90e528c7c72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0f2c39622a3d4fa5843e7fc622347b1fce5c42a355962401f13e90e528c7c72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0f2c39622a3d4fa5843e7fc622347b1fce5c42a355962401f13e90e528c7c72", kill_on_drop: false }`
[INFO] [stdout] d0f2c39622a3d4fa5843e7fc622347b1fce5c42a355962401f13e90e528c7c72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "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] fc4a8bb6e65e92a6aa983313e77f1c68309421b24d34fc8a9b97ef368c694de9
[INFO] running `Command { std: "docker" "start" "-a" "fc4a8bb6e65e92a6aa983313e77f1c68309421b24d34fc8a9b97ef368c694de9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 typenum v1.12.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]    Compiling multimap v0.8.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking unsigned-varint v0.5.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking unsigned-varint v0.4.0
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking data-encoding v2.3.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking bs58 v0.3.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking blake2s_simd v0.5.10
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling blake3 v0.3.6
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking hmac-drbg v0.2.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking sha-1 v0.9.1
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking multihash v0.11.3
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking parity-multiaddr v0.9.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking asn1_der v0.6.3
[INFO] [stderr]     Checking curve25519-dalek v3.0.0
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking ed25519-dalek v1.0.0
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]    Compiling libp2p-core v0.21.0
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking multistream-select v0.8.2
[INFO] [stderr]     Checking rw-stream-sink v0.2.1
[INFO] [stderr]     Checking yamux v0.4.7
[INFO] [stderr]     Checking libp2p-yamux v0.21.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 23s
[INFO] running `Command { std: "docker" "inspect" "fc4a8bb6e65e92a6aa983313e77f1c68309421b24d34fc8a9b97ef368c694de9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc4a8bb6e65e92a6aa983313e77f1c68309421b24d34fc8a9b97ef368c694de9", kill_on_drop: false }`
[INFO] [stdout] fc4a8bb6e65e92a6aa983313e77f1c68309421b24d34fc8a9b97ef368c694de9
