[INFO] crate bifrost 0.4.0-alpha.2 is already in cache
[INFO] checking bifrost-0.4.0-alpha.2 against master#e22b61bff0bdd08be7665607cb7be3748c8a35d2 for pr-74627
[INFO] extracting crate bifrost 0.4.0-alpha.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate bifrost 0.4.0-alpha.2 on toolchain e22b61bff0bdd08be7665607cb7be3748c8a35d2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a9851ed200f7cc7f885aad91174077e37855eaf3fefa018d36ff3ebe11d622f
[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" "6a9851ed200f7cc7f885aad91174077e37855eaf3fefa018d36ff3ebe11d622f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a9851ed200f7cc7f885aad91174077e37855eaf3fefa018d36ff3ebe11d622f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a9851ed200f7cc7f885aad91174077e37855eaf3fefa018d36ff3ebe11d622f", kill_on_drop: false }`
[INFO] [stdout] 6a9851ed200f7cc7f885aad91174077e37855eaf3fefa018d36ff3ebe11d622f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58923344d4b9ab54a205a02a1dee9954f351ba42bd553a32aa7d5e53816fa1dc
[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" "58923344d4b9ab54a205a02a1dee9954f351ba42bd553a32aa7d5e53816fa1dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking vec1 v1.5.1
[INFO] [stderr]     Checking bifrost-stun v0.1.0-alpha
[INFO] [stderr]     Checking bifrost-ice v0.1.0-alpha
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking lexical-core v0.7.4
[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 12.75s
[INFO] running `Command { std: "docker" "inspect" "58923344d4b9ab54a205a02a1dee9954f351ba42bd553a32aa7d5e53816fa1dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58923344d4b9ab54a205a02a1dee9954f351ba42bd553a32aa7d5e53816fa1dc", kill_on_drop: false }`
[INFO] [stdout] 58923344d4b9ab54a205a02a1dee9954f351ba42bd553a32aa7d5e53816fa1dc