[INFO] fetching crate tet-libp2p-tcp 0.27.0...
[INFO] checking tet-libp2p-tcp-0.27.0 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate tet-libp2p-tcp 0.27.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tet-libp2p-tcp 0.27.0 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tet-libp2p-tcp 0.27.0
[INFO] finished tweaking crates.io crate tet-libp2p-tcp 0.27.0
[INFO] tweaked toml for crates.io crate tet-libp2p-tcp 0.27.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "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-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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8827f35772491f821b5ce6238e6f74f4812a1465723ce509b5a752b1f9ca3cf
[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" "e8827f35772491f821b5ce6238e6f74f4812a1465723ce509b5a752b1f9ca3cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8827f35772491f821b5ce6238e6f74f4812a1465723ce509b5a752b1f9ca3cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8827f35772491f821b5ce6238e6f74f4812a1465723ce509b5a752b1f9ca3cf", kill_on_drop: false }`
[INFO] [stdout] e8827f35772491f821b5ce6238e6f74f4812a1465723ce509b5a752b1f9ca3cf
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb215c98d3dd376400c33169cfaad4e0dd3826288a40ece205c6ef1ae847d8e9
[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" "bb215c98d3dd376400c33169cfaad4e0dd3826288a40ece205c6ef1ae847d8e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]    Compiling which v4.1.0
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling multihash-derive v0.7.1
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]     Checking asn1_der v0.6.3
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking value-bag v1.0.0-alpha.6
[INFO] [stderr]     Checking curve25519-dalek v3.1.0
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking polling v2.0.3
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking async-io v1.4.0
[INFO] [stderr]     Checking multihash v0.13.2
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking tet-multiaddr v0.11.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking if-watch v0.1.8
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking pin-project v0.4.28
[INFO] [stderr]    Compiling prost v0.7.0
[INFO] [stderr]    Compiling prost-types v0.7.0
[INFO] [stderr]     Checking futures-executor v0.3.14
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]     Checking tet-multistream-select v0.10.0
[INFO] [stderr]     Checking rw-stream-sink v0.2.1
[INFO] [stderr]    Compiling tet-libp2p-core v0.27.0
[INFO] [stderr]     Checking tet-libp2p-tcp v0.27.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 37s
[INFO] running `Command { std: "docker" "inspect" "bb215c98d3dd376400c33169cfaad4e0dd3826288a40ece205c6ef1ae847d8e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb215c98d3dd376400c33169cfaad4e0dd3826288a40ece205c6ef1ae847d8e9", kill_on_drop: false }`
[INFO] [stdout] bb215c98d3dd376400c33169cfaad4e0dd3826288a40ece205c6ef1ae847d8e9