[INFO] fetching crate ybc 0.1.6...
[INFO] checking ybc-0.1.6 against beta for pr-78714
[INFO] extracting crate ybc 0.1.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ybc 0.1.6 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ybc 0.1.6
[INFO] finished tweaking crates.io crate ybc 0.1.6
[INFO] tweaked toml for crates.io crate ybc 0.1.6 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 1df2554f5b42fde79a907e1447417f593612fe603fff3d0a6ac484da2f5a7600
[INFO] running `Command { std: "docker" "start" "-a" "1df2554f5b42fde79a907e1447417f593612fe603fff3d0a6ac484da2f5a7600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1df2554f5b42fde79a907e1447417f593612fe603fff3d0a6ac484da2f5a7600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1df2554f5b42fde79a907e1447417f593612fe603fff3d0a6ac484da2f5a7600", kill_on_drop: false }`
[INFO] [stdout] 1df2554f5b42fde79a907e1447417f593612fe603fff3d0a6ac484da2f5a7600
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a0d030bd70e85d42314e1349fe464622f38e3f822f165e0d55f15d6c486d628
[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" "8a0d030bd70e85d42314e1349fe464622f38e3f822f165e0d55f15d6c486d628", kill_on_drop: false }`
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking web-sys v0.3.45
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]     Checking nom v5.1.2
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking yew-router-route-parser v0.14.0
[INFO] [stderr]    Compiling yew-router-macro v0.14.0
[INFO] [stderr]     Checking gloo-events v0.1.1
[INFO] [stderr]     Checking gloo-console-timer v0.1.0
[INFO] [stderr]     Checking gloo-timers v0.2.1
[INFO] [stderr]     Checking gloo-file v0.1.0
[INFO] [stderr]     Checking gloo v0.2.1
[INFO] [stderr]     Checking yew v0.17.4
[INFO] [stderr]     Checking yewtil v0.3.2
[INFO] [stderr]     Checking yew-router v0.14.0
[INFO] [stderr]     Checking ybc v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.41s
[INFO] running `Command { std: "docker" "inspect" "8a0d030bd70e85d42314e1349fe464622f38e3f822f165e0d55f15d6c486d628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a0d030bd70e85d42314e1349fe464622f38e3f822f165e0d55f15d6c486d628", kill_on_drop: false }`
[INFO] [stdout] 8a0d030bd70e85d42314e1349fe464622f38e3f822f165e0d55f15d6c486d628