[INFO] fetching crate streamson-tokio 7.1.0...
[INFO] checking streamson-tokio-7.1.0 against master#0a8629bff642c3c3b84bb644c0099194f063b627 for pr-86231
[INFO] extracting crate streamson-tokio 7.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate streamson-tokio 7.1.0 on toolchain 0a8629bff642c3c3b84bb644c0099194f063b627
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate streamson-tokio 7.1.0
[INFO] finished tweaking crates.io crate streamson-tokio 7.1.0
[INFO] tweaked toml for crates.io crate streamson-tokio 7.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "fetch" "--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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9ea7cd5681876b01b956c5d177c5b159ef4ab152d302ce7972ac7c69c8179f1
[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" "e9ea7cd5681876b01b956c5d177c5b159ef4ab152d302ce7972ac7c69c8179f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9ea7cd5681876b01b956c5d177c5b159ef4ab152d302ce7972ac7c69c8179f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9ea7cd5681876b01b956c5d177c5b159ef4ab152d302ce7972ac7c69c8179f1", kill_on_drop: false }`
[INFO] [stdout] e9ea7cd5681876b01b956c5d177c5b159ef4ab152d302ce7972ac7c69c8179f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+0a8629bff642c3c3b84bb644c0099194f063b627" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c02cc4ebaf3f6f2ee87491eb499c1d1ac7d8d8e2798713b46c5e7291afb352f
[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" "1c02cc4ebaf3f6f2ee87491eb499c1d1ac7d8d8e2798713b46c5e7291afb352f", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking bytes v0.6.0
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling tokio v0.3.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling tokio-macros v0.3.2
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking sedregex v0.2.4
[INFO] [stderr]     Checking streamson-lib v7.1.0
[INFO] [stderr]     Checking tokio-util v0.4.0
[INFO] [stderr]     Checking streamson-tokio v7.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.30s
[INFO] running `Command { std: "docker" "inspect" "1c02cc4ebaf3f6f2ee87491eb499c1d1ac7d8d8e2798713b46c5e7291afb352f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c02cc4ebaf3f6f2ee87491eb499c1d1ac7d8d8e2798713b46c5e7291afb352f", kill_on_drop: false }`
[INFO] [stdout] 1c02cc4ebaf3f6f2ee87491eb499c1d1ac7d8d8e2798713b46c5e7291afb352f