[INFO] fetching crate eventmill 0.4.0...
[INFO] checking eventmill-0.4.0 against beta for pr-78714
[INFO] extracting crate eventmill 0.4.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate eventmill 0.4.0 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 eventmill 0.4.0
[INFO] finished tweaking crates.io crate eventmill 0.4.0
[INFO] tweaked toml for crates.io crate eventmill 0.4.0 written to /workspace/builds/worker-7/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-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" "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] [stdout] 43d47860fe726d7ae7e5ffeec006469f8d348bac85f25983cad716d1288f37f1
[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" "43d47860fe726d7ae7e5ffeec006469f8d348bac85f25983cad716d1288f37f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43d47860fe726d7ae7e5ffeec006469f8d348bac85f25983cad716d1288f37f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43d47860fe726d7ae7e5ffeec006469f8d348bac85f25983cad716d1288f37f1", kill_on_drop: false }`
[INFO] [stdout] 43d47860fe726d7ae7e5ffeec006469f8d348bac85f25983cad716d1288f37f1
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0e4679d8d745ecd86c08a848ed1c7d5068f4c9d65c100837dcc27276dafb05a6
[INFO] running `Command { std: "docker" "start" "-a" "0e4679d8d745ecd86c08a848ed1c7d5068f4c9d65c100837dcc27276dafb05a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking syn v1.0.48
[INFO] [stderr]     Checking proptest v0.9.6
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking bigdecimal v0.1.2
[INFO] [stderr]     Checking version-sync v0.9.1
[INFO] [stderr]     Checking eventmill v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.88s
[INFO] running `Command { std: "docker" "inspect" "0e4679d8d745ecd86c08a848ed1c7d5068f4c9d65c100837dcc27276dafb05a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e4679d8d745ecd86c08a848ed1c7d5068f4c9d65c100837dcc27276dafb05a6", kill_on_drop: false }`
[INFO] [stdout] 0e4679d8d745ecd86c08a848ed1c7d5068f4c9d65c100837dcc27276dafb05a6