[INFO] fetching crate chatbot 0.2.3...
[INFO] checking chatbot-0.2.3 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate chatbot 0.2.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate chatbot 0.2.3 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded log v0.3.9
[INFO] [stderr]   Downloaded unicase v0.1.0
[INFO] [stderr]   Downloaded uuid v0.1.18
[INFO] [stderr]   Downloaded hyper v0.14.4
[INFO] [stderr]   Downloaded const_fn v0.4.5
[INFO] [stderr]   Downloaded encoding-index-korean v1.20141219.5
[INFO] [stderr]   Downloaded libc v0.1.12
[INFO] [stderr]   Downloaded pnacl-build-helper v1.4.11
[INFO] [stderr]   Downloaded gcc v0.3.55
[INFO] [stderr]   Downloaded stdweb-derive v0.5.3
[INFO] [stderr]   Downloaded time v0.2.25
[INFO] [stderr]   Downloaded time-macros v0.1.1
[INFO] [stderr]   Downloaded getopts v0.2.21
[INFO] [stderr]   Downloaded rustc-serialize v0.3.24
[INFO] [stderr]   Downloaded mime v0.0.11
[INFO] [stderr]   Downloaded encoding-index-japanese v1.20141219.5
[INFO] [stderr]   Downloaded url v0.2.38
[INFO] [stderr]   Downloaded aho-corasick v0.5.3
[INFO] [stderr]   Downloaded abort_on_panic v1.0.0
[INFO] [stderr]   Downloaded standback v0.2.15
[INFO] [stderr]   Downloaded stdweb-internal-macros v0.2.9
[INFO] [stderr]   Downloaded discard v1.0.4
[INFO] [stderr]   Downloaded httparse v0.1.6
[INFO] [stderr]   Downloaded openssl v0.6.7
[INFO] [stderr]   Downloaded startuppong v0.1.0
[INFO] [stderr]   Downloaded slack v0.6.1
[INFO] [stderr]   Downloaded encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]   Downloaded irc v0.8.14
[INFO] [stderr]   Downloaded stdweb-internal-runtime v0.1.5
[INFO] [stderr]   Downloaded num_cpus v0.2.13
[INFO] [stderr]   Downloaded sha1 v0.6.0
[INFO] [stderr]   Downloaded walkdir v1.0.7
[INFO] [stderr]   Downloaded bitflags v0.3.3
[INFO] [stderr]   Downloaded same-file v0.1.3
[INFO] [stderr]   Downloaded mime v0.0.12
[INFO] [stderr]   Downloaded thread-id v2.0.0
[INFO] [stderr]   Downloaded thread_local v0.2.7
[INFO] [stderr]   Downloaded rdrand v0.4.0
[INFO] [stderr]   Downloaded rand v0.3.23
[INFO] [stderr]   Downloaded lazy_static v0.1.16
[INFO] [stderr]   Downloaded stdweb v0.4.20
[INFO] [stderr]   Downloaded cookie v0.1.21
[INFO] [stderr]   Downloaded time-macros-impl v0.1.1
[INFO] [stderr]   Downloaded libressl-pnacl-sys v2.1.6
[INFO] [stderr]   Downloaded websocket v0.12.2
[INFO] [stderr]   Downloaded openssl-sys v0.6.7
[INFO] [stderr]   Downloaded typeable v0.1.2
[INFO] [stderr]   Downloaded unicode-width v0.1.8
[INFO] [stderr]   Downloaded hyper v0.5.2
[INFO] [stderr]   Downloaded regex v0.1.80
[INFO] [stderr]   Downloaded rand_core v0.4.2
[INFO] [stderr]   Downloaded encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]   Downloaded encoding_index_tests v0.1.4
[INFO] [stderr]   Downloaded regex-syntax v0.3.9
[INFO] [stderr]   Downloaded utf8-ranges v0.1.3
[INFO] [stderr]   Downloaded http-body v0.4.0
[INFO] [stderr]   Downloaded time v0.1.44
[INFO] [stderr]   Downloaded traitobject v0.0.1
[INFO] [stderr]   Downloaded tempdir v0.3.7
[INFO] [stderr]   Downloaded fuchsia-cprng v0.1.1
[INFO] [stderr]   Downloaded rand_core v0.3.1
[INFO] [stderr]   Downloaded rand v0.4.6
[INFO] [stderr]   Downloaded encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]   Downloaded encoding v0.2.33
[INFO] [stderr]   Downloaded memchr v0.1.11
[INFO] [stderr]   Downloaded base-x v0.2.8
[INFO] [stderr]   Downloaded tokio v1.2.0
[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" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "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] 4af8f0da637b35e46df302f9bf3aa8d7031f02fdb700983da802683f57d09aac
[INFO] running `Command { std: "docker" "start" "-a" "4af8f0da637b35e46df302f9bf3aa8d7031f02fdb700983da802683f57d09aac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4af8f0da637b35e46df302f9bf3aa8d7031f02fdb700983da802683f57d09aac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4af8f0da637b35e46df302f9bf3aa8d7031f02fdb700983da802683f57d09aac", kill_on_drop: false }`
[INFO] [stdout] 4af8f0da637b35e46df302f9bf3aa8d7031f02fdb700983da802683f57d09aac
[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" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ca10fc5355b08c8b48d2b8465a5645b58becef5cffb9844b422dd0ebbbf5bfb
[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" "5ca10fc5355b08c8b48d2b8465a5645b58becef5cffb9844b422dd0ebbbf5bfb", 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 v0.9.60`
[INFO] [stderr]     ... which is depended on by `openssl v0.10.32`
[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" "5ca10fc5355b08c8b48d2b8465a5645b58becef5cffb9844b422dd0ebbbf5bfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ca10fc5355b08c8b48d2b8465a5645b58becef5cffb9844b422dd0ebbbf5bfb", kill_on_drop: false }`
[INFO] [stdout] 5ca10fc5355b08c8b48d2b8465a5645b58becef5cffb9844b422dd0ebbbf5bfb