[INFO] fetching crate stakker_mio 0.1.3...
[INFO] checking stakker_mio-0.1.3 against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] extracting crate stakker_mio 0.1.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate stakker_mio 0.1.3 on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stakker_mio 0.1.3
[INFO] finished tweaking crates.io crate stakker_mio 0.1.3
[INFO] tweaked toml for crates.io crate stakker_mio 0.1.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25cf818b9091e574487793ddaa4abf15b20a7a3f3d89e9062f8ea3e104f94515
[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" "25cf818b9091e574487793ddaa4abf15b20a7a3f3d89e9062f8ea3e104f94515", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25cf818b9091e574487793ddaa4abf15b20a7a3f3d89e9062f8ea3e104f94515", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25cf818b9091e574487793ddaa4abf15b20a7a3f3d89e9062f8ea3e104f94515", kill_on_drop: false }`
[INFO] [stdout] 25cf818b9091e574487793ddaa4abf15b20a7a3f3d89e9062f8ea3e104f94515
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "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] 92710c63db2f2248c4977a5738d298c846c73aafd45d4d82fb2d5079c9391d98
[INFO] running `Command { std: "docker" "start" "-a" "92710c63db2f2248c4977a5738d298c846c73aafd45d4d82fb2d5079c9391d98", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking qcell v0.4.1
[INFO] [stderr]     Checking stakker v0.1.3
[INFO] [stderr]     Checking mio v0.7.0
[INFO] [stderr]     Checking stakker_mio v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.23s
[INFO] running `Command { std: "docker" "inspect" "92710c63db2f2248c4977a5738d298c846c73aafd45d4d82fb2d5079c9391d98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92710c63db2f2248c4977a5738d298c846c73aafd45d4d82fb2d5079c9391d98", kill_on_drop: false }`
[INFO] [stdout] 92710c63db2f2248c4977a5738d298c846c73aafd45d4d82fb2d5079c9391d98