[INFO] fetching crate bifrost 0.4.0-alpha.2...
[INFO] checking bifrost-0.4.0-alpha.2 against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354
[INFO] extracting crate bifrost 0.4.0-alpha.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate bifrost 0.4.0-alpha.2 on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bifrost 0.4.0-alpha.2
[INFO] finished tweaking crates.io crate bifrost 0.4.0-alpha.2
[INFO] tweaked toml for crates.io crate bifrost 0.4.0-alpha.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bifrost-ice v0.1.0-alpha
[INFO] [stderr]   Downloaded bifrost-sdp v0.1.0
[INFO] [stderr]   Downloaded bifrost-stun v0.1.0-alpha
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eac9ba9803a789c553bf1eab1335df5b92ad2cc0d28f3bb72022408a2f01ea7c
[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" "eac9ba9803a789c553bf1eab1335df5b92ad2cc0d28f3bb72022408a2f01ea7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eac9ba9803a789c553bf1eab1335df5b92ad2cc0d28f3bb72022408a2f01ea7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eac9ba9803a789c553bf1eab1335df5b92ad2cc0d28f3bb72022408a2f01ea7c", kill_on_drop: false }`
[INFO] [stdout] eac9ba9803a789c553bf1eab1335df5b92ad2cc0d28f3bb72022408a2f01ea7c
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 578144816afe037bf491bcec3d0a5b887bdcce17dcf7e5b21f19c836a78af961
[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" "578144816afe037bf491bcec3d0a5b887bdcce17dcf7e5b21f19c836a78af961", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling lexical-core v0.7.5
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking vec1 v1.8.0
[INFO] [stderr]     Checking bifrost-ice v0.1.0-alpha
[INFO] [stderr]     Checking bifrost-stun v0.1.0-alpha
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking bifrost-sdp v0.1.0
[INFO] [stderr]     Checking bifrost v0.4.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.92s
[INFO] running `Command { std: "docker" "inspect" "578144816afe037bf491bcec3d0a5b887bdcce17dcf7e5b21f19c836a78af961", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "578144816afe037bf491bcec3d0a5b887bdcce17dcf7e5b21f19c836a78af961", kill_on_drop: false }`
[INFO] [stdout] 578144816afe037bf491bcec3d0a5b887bdcce17dcf7e5b21f19c836a78af961