[INFO] fetching crate libp2p-tcp 0.28.0...
[INFO] checking libp2p-tcp-0.28.0 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate libp2p-tcp 0.28.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate libp2p-tcp 0.28.0 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libp2p-tcp 0.28.0
[INFO] finished tweaking crates.io crate libp2p-tcp 0.28.0
[INFO] tweaked toml for crates.io crate libp2p-tcp 0.28.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "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] 8c93ed2ddb252f0b800ed62556ccc6b120f555eb38cf570d76e14a12cb2530af
[INFO] running `Command { std: "docker" "start" "-a" "8c93ed2ddb252f0b800ed62556ccc6b120f555eb38cf570d76e14a12cb2530af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c93ed2ddb252f0b800ed62556ccc6b120f555eb38cf570d76e14a12cb2530af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c93ed2ddb252f0b800ed62556ccc6b120f555eb38cf570d76e14a12cb2530af", kill_on_drop: false }`
[INFO] [stdout] 8c93ed2ddb252f0b800ed62556ccc6b120f555eb38cf570d76e14a12cb2530af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c56f2aa23d34bd32e8ae4ceecd06198d5011ec1e158455e05dbea2b49daad576
[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" "c56f2aa23d34bd32e8ae4ceecd06198d5011ec1e158455e05dbea2b49daad576", kill_on_drop: false }`
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking futures-lite v1.11.3
[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]    Compiling prost-build v0.7.0
[INFO] [stderr]     Checking async-io v1.4.0
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking if-watch v0.2.2
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]    Compiling libp2p-core v0.28.2
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking futures-executor v0.3.14
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]     Checking rw-stream-sink v0.2.1
[INFO] [stderr]     Checking multistream-select v0.10.2
[INFO] [stderr]     Checking libp2p-tcp v0.28.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.23s
[INFO] running `Command { std: "docker" "inspect" "c56f2aa23d34bd32e8ae4ceecd06198d5011ec1e158455e05dbea2b49daad576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c56f2aa23d34bd32e8ae4ceecd06198d5011ec1e158455e05dbea2b49daad576", kill_on_drop: false }`
[INFO] [stdout] c56f2aa23d34bd32e8ae4ceecd06198d5011ec1e158455e05dbea2b49daad576