[INFO] fetching crate chatbot 0.2.3...
[INFO] checking chatbot-0.2.3 against try#b0d0ea232bdae12fa8da8491a91ae1db029990ef for pr-84037
[INFO] extracting crate chatbot 0.2.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate chatbot 0.2.3 on toolchain b0d0ea232bdae12fa8da8491a91ae1db029990ef
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chatbot 0.2.3
[INFO] finished tweaking crates.io crate chatbot 0.2.3
[INFO] tweaked toml for crates.io crate chatbot 0.2.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicase v0.1.0
[INFO] [stderr]   Downloaded num_cpus v0.2.13
[INFO] [stderr]   Downloaded bitflags v0.3.3
[INFO] [stderr]   Downloaded mime v0.0.12
[INFO] [stderr]   Downloaded libc v0.1.12
[INFO] [stderr]   Downloaded startuppong v0.1.0
[INFO] [stderr]   Downloaded slack v0.6.1
[INFO] [stderr]   Downloaded httparse v0.1.6
[INFO] [stderr]   Downloaded mime v0.0.11
[INFO] [stderr]   Downloaded url v0.2.38
[INFO] [stderr]   Downloaded uuid v0.1.18
[INFO] [stderr]   Downloaded cookie v0.1.21
[INFO] [stderr]   Downloaded openssl v0.6.7
[INFO] [stderr]   Downloaded hyper v0.5.2
[INFO] [stderr]   Downloaded irc v0.8.14
[INFO] [stderr]   Downloaded websocket v0.12.2
[INFO] [stderr]   Downloaded openssl-sys v0.6.7
[INFO] [stderr]   Downloaded abort_on_panic v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "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] 26e86d162d9a82e298ece2047d0edf3a07f4e90b332635903aa780bc75c9bc1e
[INFO] running `Command { std: "docker" "start" "-a" "26e86d162d9a82e298ece2047d0edf3a07f4e90b332635903aa780bc75c9bc1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26e86d162d9a82e298ece2047d0edf3a07f4e90b332635903aa780bc75c9bc1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26e86d162d9a82e298ece2047d0edf3a07f4e90b332635903aa780bc75c9bc1e", kill_on_drop: false }`
[INFO] [stdout] 26e86d162d9a82e298ece2047d0edf3a07f4e90b332635903aa780bc75c9bc1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4f230458798317e50b1cff908c25c11dbf08111a0cb1454080fa5afcf2bfbad
[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" "f4f230458798317e50b1cff908c25c11dbf08111a0cb1454080fa5afcf2bfbad", 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 v0.5.2`
[INFO] [stderr]     ... which is depended on by `chatbot v0.2.3 (/opt/rustwide/workdir)`
[INFO] [stderr] links to native library `openssl`
[INFO] [stderr] 
[INFO] [stderr] package `openssl-sys v0.9.62`
[INFO] [stderr]     ... which is depended on by `openssl v0.10.34`
[INFO] [stderr]     ... which is depended on by `irc v0.8.14`
[INFO] [stderr]     ... which is depended on by `chatbot v0.2.3 (/opt/rustwide/workdir)`
[INFO] [stderr] also links to native library `openssl`
[INFO] running `Command { std: "docker" "inspect" "f4f230458798317e50b1cff908c25c11dbf08111a0cb1454080fa5afcf2bfbad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4f230458798317e50b1cff908c25c11dbf08111a0cb1454080fa5afcf2bfbad", kill_on_drop: false }`
[INFO] [stdout] f4f230458798317e50b1cff908c25c11dbf08111a0cb1454080fa5afcf2bfbad