[INFO] crate slackbot 0.2.0 is already in cache
[INFO] checking slackbot-0.2.0 against try#85cc1486e1f000dce4bb8e1b3cfab2b654b102a8 for pr-73323
[INFO] extracting crate slackbot 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate slackbot 0.2.0 on toolchain 85cc1486e1f000dce4bb8e1b3cfab2b654b102a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slackbot 0.2.0
[INFO] finished tweaking crates.io crate slackbot 0.2.0
[INFO] tweaked toml for crates.io crate slackbot 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b8dc97a4e5f4acebffe83e88ca5c4dde59427e92beb9644489dc0bee62619ae
[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" "3b8dc97a4e5f4acebffe83e88ca5c4dde59427e92beb9644489dc0bee62619ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b8dc97a4e5f4acebffe83e88ca5c4dde59427e92beb9644489dc0bee62619ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b8dc97a4e5f4acebffe83e88ca5c4dde59427e92beb9644489dc0bee62619ae", kill_on_drop: false }`
[INFO] [stdout] 3b8dc97a4e5f4acebffe83e88ca5c4dde59427e92beb9644489dc0bee62619ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cad43839c29d0ddefba8315b2077dbf1111a0295e7abedd0471796562157c9cf
[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" "cad43839c29d0ddefba8315b2077dbf1111a0295e7abedd0471796562157c9cf", kill_on_drop: false }`
[INFO] [stderr] error: multiple packages link to native library `openssl`, but a native library can be linked only once
[INFO] [stderr] 
[INFO] [stderr] package `openssl-sys v0.6.7`
[INFO] [stderr]     ... which is depended on by `openssl v0.6.7`
[INFO] [stderr]     ... which is depended on by `cookie v0.1.21`
[INFO] [stderr]     ... which is depended on by `hyper v0.6.16`
[INFO] [stderr]     ... which is depended on by `slack v0.8.3`
[INFO] [stderr]     ... which is depended on by `slackbot v0.2.0 (/opt/rustwide/workdir)`
[INFO] [stderr] links to native library `openssl`
[INFO] [stderr] 
[INFO] [stderr] package `openssl-sys v0.9.58`
[INFO] [stderr]     ... which is depended on by `openssl v0.10.30`
[INFO] [stderr]     ... which is depended on by `websocket v0.12.2`
[INFO] [stderr]     ... which is depended on by `slack v0.8.3`
[INFO] [stderr]     ... which is depended on by `slackbot v0.2.0 (/opt/rustwide/workdir)`
[INFO] [stderr] also links to native library `openssl`
[INFO] running `Command { std: "docker" "inspect" "cad43839c29d0ddefba8315b2077dbf1111a0295e7abedd0471796562157c9cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cad43839c29d0ddefba8315b2077dbf1111a0295e7abedd0471796562157c9cf", kill_on_drop: false }`
[INFO] [stdout] cad43839c29d0ddefba8315b2077dbf1111a0295e7abedd0471796562157c9cf